Annotation of OpenXM_contrib2/asir2018/engine/nd.c, Revision 1.50
1.50 ! noro 1: /* $OpenXM: OpenXM_contrib2/asir2018/engine/nd.c,v 1.49 2021/02/28 02:33:16 noro Exp $ */
1.1 noro 2:
3: #include "nd.h"
4:
1.45 noro 5: void print_siglist(NODE l);
6:
1.49 noro 7: NODE nd_hpdata;
1.47 noro 8: int Nnd_add,Nf4_red,NcriB,NcriMF,Ncri2,Npairs,Nnewpair;
1.12 noro 9: struct oEGT eg_search,f4_symb,f4_conv,f4_elim1,f4_elim2;
1.1 noro 10:
11: int diag_period = 6;
12: int weight_check = 1;
13: int (*ndl_compare_function)(UINT *a1,UINT *a2);
1.21 noro 14: /* for general module order */
1.19 noro 15: int (*ndl_base_compare_function)(UINT *a1,UINT *a2);
1.21 noro 16: int (*dl_base_compare_function)(int nv,DL a,DL b);
17: int nd_base_ordtype;
1.1 noro 18: int nd_dcomp;
19: int nd_rref2;
20: NM _nm_free_list;
21: ND _nd_free_list;
22: ND_pairs _ndp_free_list;
23: NODE nd_hcf;
1.35 noro 24: int Nsyz,Nsamesig;
1.1 noro 25:
26: Obj nd_top_weight;
27:
28: static NODE nd_subst;
29: static VL nd_vc;
30: static int nd_ntrans;
31: static int nd_nalg;
32: #if 0
33: static int ndv_alloc;
34: #endif
35: #if 1
36: static int nd_f4_nsp=0x7fffffff;
37: #else
38: static int nd_f4_nsp=50;
39: #endif
40: static double nd_scale=2;
41: static UINT **nd_bound;
42: static struct order_spec *nd_ord;
43: static EPOS nd_epos;
44: static BlockMask nd_blockmask;
45: static int nd_nvar;
46: static int nd_isrlex;
47: static int nd_epw,nd_bpe,nd_wpd,nd_exporigin;
48: static UINT nd_mask[32];
49: static UINT nd_mask0,nd_mask1;
50:
51: static NDV *nd_ps;
52: static NDV *nd_ps_trace;
53: static NDV *nd_ps_sym;
54: static NDV *nd_ps_trace_sym;
55: static RHist *nd_psh;
1.30 noro 56: static int nd_psn,nd_pslen,nd_nbase;
1.1 noro 57: static RHist *nd_red;
58: static int *nd_work_vector;
59: static int **nd_matrix;
60: static int nd_matrix_len;
61: static struct weight_or_block *nd_worb;
62: static int nd_worb_len;
63: static int nd_found,nd_create,nd_notfirst;
64: static int nmv_adv;
65: static int nd_demand;
1.21 noro 66: static int nd_module,nd_module_ordtype,nd_mpos,nd_pot_nelim;
1.1 noro 67: static int nd_module_rank,nd_poly_weight_len;
68: static int *nd_poly_weight,*nd_module_weight;
69: static NODE nd_tracelist;
70: static NODE nd_alltracelist;
1.41 noro 71: static int nd_gentrace,nd_gensyz,nd_nora,nd_newelim,nd_intersect,nd_lf,nd_norb;
72: static int nd_f4_td,nd_sba_f4step,nd_sba_pot,nd_sba_largelcm,nd_sba_dontsort,nd_sba_redundant_check;
1.46 noro 73: static int nd_top,nd_sba_syz,nd_sba_inputisgb;
1.1 noro 74: static int *nd_gbblock;
75: static NODE nd_nzlist,nd_check_splist;
76: static int nd_splist;
77: static int *nd_sugarweight;
78: static int nd_f4red,nd_rank0,nd_last_nonzero;
1.27 noro 79: static DL *nd_sba_hm;
1.29 noro 80: static NODE *nd_sba_pos;
1.1 noro 81:
1.46 noro 82: struct comp_sig_spec {
83: int n;
84: // current_i <-> oldv[i]
85: int *oldv;
86: int *weight;
87: struct order_pair *order_pair;
88: int block_length;
89: int **matrix;
90: int row;
91: int (*cmpdl)(int n,DL d1,DL d2);
92: };
93:
94: struct comp_sig_spec *nd_sba_modord;
95:
1.49 noro 96: DL ndltodl(int n,UINT *ndl);
1.1 noro 97: NumberField get_numberfield();
98: UINT *nd_det_compute_bound(NDV **dm,int n,int j);
99: void nd_det_reconstruct(NDV **dm,int n,int j,NDV d);
100: void nd_heu_nezgcdnpz(VL vl,P *pl,int m,int full,P *pr);
101: int nd_monic(int m,ND *p);
102: NDV plain_vect_to_ndv_q(Z *mat,int col,UINT *s0vect);
103: LIST ndvtopl(int mod,VL vl,VL dvl,NDV p,int rank);
104: NDV pltondv(VL vl,VL dvl,LIST p);
105: void pltozpl(LIST l,Q *cont,LIST *pp);
106: void ndl_max(UINT *d1,unsigned *d2,UINT *d);
107: void nmtodp(int mod,NM m,DP *r);
1.15 noro 108: void ndltodp(UINT *d,DP *r);
1.1 noro 109: NODE reverse_node(NODE n);
110: P ndc_div(int mod,union oNDC a,union oNDC b);
111: P ndctop(int mod,union oNDC c);
112: void finalize_tracelist(int i,P cont);
113: void conv_ilist(int demand,int trace,NODE g,int **indp);
1.46 noro 114: void parse_nd_option(VL vl,NODE opt);
1.1 noro 115: void dltondl(int n,DL dl,UINT *r);
116: DP ndvtodp(int mod,NDV p);
117: DP ndtodp(int mod,ND p);
1.16 noro 118: DPM ndvtodpm(int mod,NDV p);
1.43 noro 119: NDV dptondv(int mod,DP p);
1.16 noro 120: NDV dpmtondv(int mod,DPM p);
1.43 noro 121: int dp_getdeg(DP p);
1.16 noro 122: int dpm_getdeg(DPM p,int *rank);
123: void dpm_ptozp(DPM p,Z *cont,DPM *r);
124: int compdmm(int nv,DMM a,DMM b);
1.44 noro 125: DPM sigtodpm(SIG s);
126: SIG dup_sig(SIG sig);
1.1 noro 127:
128: void Pdp_set_weight(NODE,VECT *);
129: void Pox_cmo_rpc(NODE,Obj *);
130:
131: ND nd_add_lf(ND p1,ND p2);
132: void nd_mul_c_lf(ND p,Z mul);
133: void ndv_mul_c_lf(NDV p,Z mul);
134: NODE nd_f4_red_main(int m,ND_pairs sp0,int nsp,UINT *s0vect,int col,
135: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred,ND_pairs *nz);
136: NODE nd_f4_red_mod64_main(int m,ND_pairs sp0,int nsp,UINT *s0vect,int col,
137: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred,ND_pairs *nz);
138: NODE nd_f4_red_lf_main(int m,ND_pairs sp0,int nsp,int trace,UINT *s0vect,int col,
139: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred);
140: int nd_gauss_elim_lf(mpz_t **mat0,int *sugar,int row,int col,int *colstat);
1.40 noro 141: int nd_gauss_elim_mod_s(UINT **mat,int *sugar,ND_pairs *spactive,int row,int col,int md,int *colstat,SIG *sig);
1.1 noro 142: NODE nd_f4_lf_trace_main(int m,int **indp);
143: void nd_f4_lf_trace(LIST f,LIST v,int trace,int homo,struct order_spec *ord,LIST *rp);
144:
145: extern int lf_lazy;
146: extern Z current_mod_lf;
147:
148: extern int Denominator,DP_Multiple,MaxDeg;
149:
150: #define BLEN (8*sizeof(unsigned long))
151:
152: typedef struct matrix {
153: int row,col;
154: unsigned long **a;
155: } *matrix;
156:
157:
158: void nd_free_private_storage()
159: {
160: _nm_free_list = 0;
161: _ndp_free_list = 0;
162: #if 0
163: GC_gcollect();
164: #endif
165: }
166:
167: void _NM_alloc()
168: {
169: NM p;
170: int i;
171:
172: for ( i = 0; i < 1024; i++ ) {
173: p = (NM)MALLOC(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
174: p->next = _nm_free_list; _nm_free_list = p;
175: }
176: }
177:
178: matrix alloc_matrix(int row,int col)
179: {
180: unsigned long **a;
181: int i,len,blen;
182: matrix mat;
183:
184: mat = (matrix)MALLOC(sizeof(struct matrix));
185: mat->row = row;
186: mat->col = col;
187: mat->a = a = (unsigned long **)MALLOC(row*sizeof(unsigned long *));
188: return mat;
189: }
190:
191:
192: void _ND_alloc()
193: {
194: ND p;
195: int i;
196:
197: for ( i = 0; i < 1024; i++ ) {
198: p = (ND)MALLOC(sizeof(struct oND));
199: p->body = (NM)_nd_free_list; _nd_free_list = p;
200: }
201: }
202:
203: void _NDP_alloc()
204: {
205: ND_pairs p;
206: int i;
207:
208: for ( i = 0; i < 1024; i++ ) {
209: p = (ND_pairs)MALLOC(sizeof(struct oND_pairs)
210: +(nd_wpd-1)*sizeof(UINT));
211: p->next = _ndp_free_list; _ndp_free_list = p;
212: }
213: }
214:
215: INLINE int nd_length(ND p)
216: {
217: NM m;
218: int i;
219:
220: if ( !p )
221: return 0;
222: else {
223: for ( i = 0, m = BDY(p); m; m = NEXT(m), i++ );
224: return i;
225: }
226: }
227:
228: extern int dp_negative_weight;
229:
230: INLINE int ndl_reducible(UINT *d1,UINT *d2)
231: {
232: UINT u1,u2;
233: int i,j;
234:
235: if ( nd_module && (MPOS(d1) != MPOS(d2)) ) return 0;
236:
237: if ( !dp_negative_weight && TD(d1) < TD(d2) ) return 0;
238: #if USE_UNROLL
239: switch ( nd_bpe ) {
240: case 3:
241: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
242: u1 = d1[i]; u2 = d2[i];
243: if ( (u1&0x38000000) < (u2&0x38000000) ) return 0;
244: if ( (u1& 0x7000000) < (u2& 0x7000000) ) return 0;
245: if ( (u1& 0xe00000) < (u2& 0xe00000) ) return 0;
246: if ( (u1& 0x1c0000) < (u2& 0x1c0000) ) return 0;
247: if ( (u1& 0x38000) < (u2& 0x38000) ) return 0;
248: if ( (u1& 0x7000) < (u2& 0x7000) ) return 0;
249: if ( (u1& 0xe00) < (u2& 0xe00) ) return 0;
250: if ( (u1& 0x1c0) < (u2& 0x1c0) ) return 0;
251: if ( (u1& 0x38) < (u2& 0x38) ) return 0;
252: if ( (u1& 0x7) < (u2& 0x7) ) return 0;
253: }
254: return 1;
255: break;
256: case 4:
257: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
258: u1 = d1[i]; u2 = d2[i];
259: if ( (u1&0xf0000000) < (u2&0xf0000000) ) return 0;
260: if ( (u1& 0xf000000) < (u2& 0xf000000) ) return 0;
261: if ( (u1& 0xf00000) < (u2& 0xf00000) ) return 0;
262: if ( (u1& 0xf0000) < (u2& 0xf0000) ) return 0;
263: if ( (u1& 0xf000) < (u2& 0xf000) ) return 0;
264: if ( (u1& 0xf00) < (u2& 0xf00) ) return 0;
265: if ( (u1& 0xf0) < (u2& 0xf0) ) return 0;
266: if ( (u1& 0xf) < (u2& 0xf) ) return 0;
267: }
268: return 1;
269: break;
270: case 6:
271: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
272: u1 = d1[i]; u2 = d2[i];
273: if ( (u1&0x3f000000) < (u2&0x3f000000) ) return 0;
274: if ( (u1& 0xfc0000) < (u2& 0xfc0000) ) return 0;
275: if ( (u1& 0x3f000) < (u2& 0x3f000) ) return 0;
276: if ( (u1& 0xfc0) < (u2& 0xfc0) ) return 0;
277: if ( (u1& 0x3f) < (u2& 0x3f) ) return 0;
278: }
279: return 1;
280: break;
281: case 8:
282: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
283: u1 = d1[i]; u2 = d2[i];
284: if ( (u1&0xff000000) < (u2&0xff000000) ) return 0;
285: if ( (u1& 0xff0000) < (u2& 0xff0000) ) return 0;
286: if ( (u1& 0xff00) < (u2& 0xff00) ) return 0;
287: if ( (u1& 0xff) < (u2& 0xff) ) return 0;
288: }
289: return 1;
290: break;
291: case 16:
292: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
293: u1 = d1[i]; u2 = d2[i];
294: if ( (u1&0xffff0000) < (u2&0xffff0000) ) return 0;
295: if ( (u1& 0xffff) < (u2& 0xffff) ) return 0;
296: }
297: return 1;
298: break;
299: case 32:
300: for ( i = nd_exporigin; i < nd_wpd; i++ )
301: if ( d1[i] < d2[i] ) return 0;
302: return 1;
303: break;
304: default:
305: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
306: u1 = d1[i]; u2 = d2[i];
307: for ( j = 0; j < nd_epw; j++ )
308: if ( (u1&nd_mask[j]) < (u2&nd_mask[j]) ) return 0;
309: }
310: return 1;
311: }
312: #else
313: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
314: u1 = d1[i]; u2 = d2[i];
315: for ( j = 0; j < nd_epw; j++ )
316: if ( (u1&nd_mask[j]) < (u2&nd_mask[j]) ) return 0;
317: }
318: return 1;
319: #endif
320: }
321:
322: /*
323: * If the current order is a block order,
324: * then the last block is length 1 and contains
325: * the homo variable. Otherwise, the original
326: * order is either 0 or 2.
327: */
328:
329: void ndl_homogenize(UINT *d,UINT *r,int obpe,EPOS oepos,int ompos,int weight)
330: {
331: int w,i,e,n,omask0;
332:
333: omask0 = obpe==32?0xffffffff:((1<<obpe)-1);
334: n = nd_nvar-1;
335: ndl_zero(r);
336: for ( i = 0; i < n; i++ ) {
337: e = GET_EXP_OLD(d,i);
338: PUT_EXP(r,i,e);
339: }
340: w = TD(d);
341: PUT_EXP(r,nd_nvar-1,weight-w);
342: if ( nd_module ) MPOS(r) = d[ompos];
343: TD(r) = weight;
344: if ( nd_blockmask ) ndl_weight_mask(r);
345: }
346:
347: void ndl_dehomogenize(UINT *d)
348: {
349: UINT mask;
350: UINT h;
351: int i,bits;
352:
353: if ( nd_blockmask ) {
354: h = GET_EXP(d,nd_nvar-1);
355: XOR_EXP(d,nd_nvar-1,h);
356: TD(d) -= h;
357: ndl_weight_mask(d);
358: } else {
359: if ( nd_isrlex ) {
360: if ( nd_bpe == 32 ) {
361: h = d[nd_exporigin];
362: for ( i = nd_exporigin+1; i < nd_wpd; i++ )
363: d[i-1] = d[i];
364: d[i-1] = 0;
365: TD(d) -= h;
366: } else {
367: bits = nd_epw*nd_bpe;
368: mask = bits==32?0xffffffff:((1<<(nd_epw*nd_bpe))-1);
369: h = (d[nd_exporigin]>>((nd_epw-1)*nd_bpe))&nd_mask0;
370: for ( i = nd_exporigin; i < nd_wpd; i++ )
371: d[i] = ((d[i]<<nd_bpe)&mask)
372: |(i+1<nd_wpd?((d[i+1]>>((nd_epw-1)*nd_bpe))&nd_mask0):0);
373: TD(d) -= h;
374: }
375: } else {
376: h = GET_EXP(d,nd_nvar-1);
377: XOR_EXP(d,nd_nvar-1,h);
378: TD(d) -= h;
379: }
380: }
381: }
382:
383: void ndl_lcm(UINT *d1,unsigned *d2,UINT *d)
384: {
385: UINT t1,t2,u,u1,u2;
386: int i,j,l;
387:
388: if ( nd_module && (MPOS(d1) != MPOS(d2)) )
389: error("ndl_lcm : inconsistent monomials");
390: #if USE_UNROLL
391: switch ( nd_bpe ) {
392: case 3:
393: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
394: u1 = d1[i]; u2 = d2[i];
395: t1 = (u1&0x38000000); t2 = (u2&0x38000000); u = t1>t2?t1:t2;
396: t1 = (u1& 0x7000000); t2 = (u2& 0x7000000); u |= t1>t2?t1:t2;
397: t1 = (u1& 0xe00000); t2 = (u2& 0xe00000); u |= t1>t2?t1:t2;
398: t1 = (u1& 0x1c0000); t2 = (u2& 0x1c0000); u |= t1>t2?t1:t2;
399: t1 = (u1& 0x38000); t2 = (u2& 0x38000); u |= t1>t2?t1:t2;
400: t1 = (u1& 0x7000); t2 = (u2& 0x7000); u |= t1>t2?t1:t2;
401: t1 = (u1& 0xe00); t2 = (u2& 0xe00); u |= t1>t2?t1:t2;
402: t1 = (u1& 0x1c0); t2 = (u2& 0x1c0); u |= t1>t2?t1:t2;
403: t1 = (u1& 0x38); t2 = (u2& 0x38); u |= t1>t2?t1:t2;
404: t1 = (u1& 0x7); t2 = (u2& 0x7); u |= t1>t2?t1:t2;
405: d[i] = u;
406: }
407: break;
408: case 4:
409: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
410: u1 = d1[i]; u2 = d2[i];
411: t1 = (u1&0xf0000000); t2 = (u2&0xf0000000); u = t1>t2?t1:t2;
412: t1 = (u1& 0xf000000); t2 = (u2& 0xf000000); u |= t1>t2?t1:t2;
413: t1 = (u1& 0xf00000); t2 = (u2& 0xf00000); u |= t1>t2?t1:t2;
414: t1 = (u1& 0xf0000); t2 = (u2& 0xf0000); u |= t1>t2?t1:t2;
415: t1 = (u1& 0xf000); t2 = (u2& 0xf000); u |= t1>t2?t1:t2;
416: t1 = (u1& 0xf00); t2 = (u2& 0xf00); u |= t1>t2?t1:t2;
417: t1 = (u1& 0xf0); t2 = (u2& 0xf0); u |= t1>t2?t1:t2;
418: t1 = (u1& 0xf); t2 = (u2& 0xf); u |= t1>t2?t1:t2;
419: d[i] = u;
420: }
421: break;
422: case 6:
423: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
424: u1 = d1[i]; u2 = d2[i];
425: t1 = (u1&0x3f000000); t2 = (u2&0x3f000000); u = t1>t2?t1:t2;
426: t1 = (u1& 0xfc0000); t2 = (u2& 0xfc0000); u |= t1>t2?t1:t2;
427: t1 = (u1& 0x3f000); t2 = (u2& 0x3f000); u |= t1>t2?t1:t2;
428: t1 = (u1& 0xfc0); t2 = (u2& 0xfc0); u |= t1>t2?t1:t2;
429: t1 = (u1& 0x3f); t2 = (u2& 0x3f); u |= t1>t2?t1:t2;
430: d[i] = u;
431: }
432: break;
433: case 8:
434: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
435: u1 = d1[i]; u2 = d2[i];
436: t1 = (u1&0xff000000); t2 = (u2&0xff000000); u = t1>t2?t1:t2;
437: t1 = (u1& 0xff0000); t2 = (u2& 0xff0000); u |= t1>t2?t1:t2;
438: t1 = (u1& 0xff00); t2 = (u2& 0xff00); u |= t1>t2?t1:t2;
439: t1 = (u1& 0xff); t2 = (u2& 0xff); u |= t1>t2?t1:t2;
440: d[i] = u;
441: }
442: break;
443: case 16:
444: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
445: u1 = d1[i]; u2 = d2[i];
446: t1 = (u1&0xffff0000); t2 = (u2&0xffff0000); u = t1>t2?t1:t2;
447: t1 = (u1& 0xffff); t2 = (u2& 0xffff); u |= t1>t2?t1:t2;
448: d[i] = u;
449: }
450: break;
451: case 32:
452: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
453: u1 = d1[i]; u2 = d2[i];
454: d[i] = u1>u2?u1:u2;
455: }
456: break;
457: default:
458: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
459: u1 = d1[i]; u2 = d2[i];
460: for ( j = 0, u = 0; j < nd_epw; j++ ) {
461: t1 = (u1&nd_mask[j]); t2 = (u2&nd_mask[j]); u |= t1>t2?t1:t2;
462: }
463: d[i] = u;
464: }
465: break;
466: }
467: #else
468: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
469: u1 = d1[i]; u2 = d2[i];
470: for ( j = 0, u = 0; j < nd_epw; j++ ) {
471: t1 = (u1&nd_mask[j]); t2 = (u2&nd_mask[j]); u |= t1>t2?t1:t2;
472: }
473: d[i] = u;
474: }
475: #endif
476: if ( nd_module ) MPOS(d) = MPOS(d1);
477: TD(d) = ndl_weight(d);
478: if ( nd_blockmask ) ndl_weight_mask(d);
479: }
480:
481: void ndl_max(UINT *d1,unsigned *d2,UINT *d)
482: {
483: UINT t1,t2,u,u1,u2;
484: int i,j,l;
485:
486: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
487: u1 = d1[i]; u2 = d2[i];
488: for ( j = 0, u = 0; j < nd_epw; j++ ) {
489: t1 = (u1&nd_mask[j]); t2 = (u2&nd_mask[j]); u |= t1>t2?t1:t2;
490: }
491: d[i] = u;
492: }
493: }
494:
495: int ndl_weight(UINT *d)
496: {
497: UINT t,u;
498: int i,j;
499:
500: if ( current_dl_weight_vector )
501: for ( i = 0, t = 0; i < nd_nvar; i++ ) {
502: u = GET_EXP(d,i);
503: t += MUL_WEIGHT(u,i);
504: }
505: else
506: for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {
507: u = d[i];
508: for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )
509: t += (u&nd_mask0);
510: }
1.20 noro 511: if ( nd_module && nd_module_rank && MPOS(d) )
512: t += nd_module_weight[MPOS(d)-1];
513: for ( i = nd_exporigin; i < nd_wpd; i++ )
514: if ( d[i] && !t )
515: printf("afo\n");
1.1 noro 516: return t;
517: }
518:
519: /* for sugarweight */
520:
521: int ndl_weight2(UINT *d)
522: {
523: int t,u;
524: int i,j;
525:
526: for ( i = 0, t = 0; i < nd_nvar; i++ ) {
527: u = GET_EXP(d,i);
528: t += nd_sugarweight[i]*u;
529: }
1.20 noro 530: if ( nd_module && nd_module_rank && MPOS(d) )
531: t += nd_module_weight[MPOS(d)-1];
1.1 noro 532: return t;
533: }
534:
535: void ndl_weight_mask(UINT *d)
536: {
537: UINT t,u;
538: UINT *mask;
539: int i,j,k,l;
540:
541: l = nd_blockmask->n;
542: for ( k = 0; k < l; k++ ) {
543: mask = nd_blockmask->mask[k];
544: if ( current_dl_weight_vector )
545: for ( i = 0, t = 0; i < nd_nvar; i++ ) {
546: u = GET_EXP_MASK(d,i,mask);
547: t += MUL_WEIGHT(u,i);
548: }
549: else
550: for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {
551: u = d[i]&mask[i];
552: for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )
553: t += (u&nd_mask0);
554: }
555: d[k+1] = t;
556: }
557: }
558:
1.21 noro 559: int ndl_glex_compare(UINT *d1,UINT *d2)
560: {
561: if ( TD(d1) > TD(d2) ) return 1;
562: else if ( TD(d1) < TD(d2) ) return -1;
563: else return ndl_lex_compare(d1,d2);
564: }
565:
1.1 noro 566: int ndl_lex_compare(UINT *d1,UINT *d2)
567: {
568: int i;
569:
570: d1 += nd_exporigin;
571: d2 += nd_exporigin;
572: for ( i = nd_exporigin; i < nd_wpd; i++, d1++, d2++ )
573: if ( *d1 > *d2 )
574: return nd_isrlex ? -1 : 1;
575: else if ( *d1 < *d2 )
576: return nd_isrlex ? 1 : -1;
577: return 0;
578: }
579:
580: int ndl_block_compare(UINT *d1,UINT *d2)
581: {
582: int i,l,j,ord_o,ord_l;
583: struct order_pair *op;
584: UINT t1,t2,m;
585: UINT *mask;
586:
587: l = nd_blockmask->n;
588: op = nd_blockmask->order_pair;
589: for ( j = 0; j < l; j++ ) {
590: mask = nd_blockmask->mask[j];
591: ord_o = op[j].order;
592: if ( ord_o < 2 ) {
593: if ( (t1=d1[j+1]) > (t2=d2[j+1]) ) return 1;
594: else if ( t1 < t2 ) return -1;
595: }
596: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
597: m = mask[i];
598: t1 = d1[i]&m;
599: t2 = d2[i]&m;
600: if ( t1 > t2 )
601: return !ord_o ? -1 : 1;
602: else if ( t1 < t2 )
603: return !ord_o ? 1 : -1;
604: }
605: }
606: return 0;
607: }
608:
609: int ndl_matrix_compare(UINT *d1,UINT *d2)
610: {
611: int i,j,s,row;
612: int *v;
613: Z **mat;
614: Z *w;
615: Z t1;
616: Z t,t2;
617:
1.6 noro 618: for ( j = 0; j < nd_nvar; j++ )
619: nd_work_vector[j] = GET_EXP(d1,j)-GET_EXP(d2,j);
1.1 noro 620: if ( nd_top_weight ) {
621: if ( OID(nd_top_weight) == O_VECT ) {
1.6 noro 622: mat = (Z **)&BDY((VECT)nd_top_weight);
623: row = 1;
1.1 noro 624: } else {
625: mat = (Z **)BDY((MAT)nd_top_weight);
1.6 noro 626: row = ((MAT)nd_top_weight)->row;
1.1 noro 627: }
628: for ( i = 0; i < row; i++ ) {
1.6 noro 629: w = mat[i];
1.1 noro 630: for ( j = 0, t = 0; j < nd_nvar; j++ ) {
1.6 noro 631: STOZ(nd_work_vector[j],t1);
1.1 noro 632: mulz(w[j],t1,&t2);
633: addz(t,t2,&t1);
634: t = t1;
635: }
1.6 noro 636: if ( t ) {
637: s = sgnz(t);
1.1 noro 638: if ( s > 0 ) return 1;
639: else if ( s < 0 ) return -1;
1.6 noro 640: }
1.1 noro 641: }
1.6 noro 642: }
643: for ( i = 0; i < nd_matrix_len; i++ ) {
644: v = nd_matrix[i];
645: for ( j = 0, s = 0; j < nd_nvar; j++ )
646: s += v[j]*nd_work_vector[j];
647: if ( s > 0 ) return 1;
648: else if ( s < 0 ) return -1;
649: }
1.1 noro 650: if ( !ndl_equal(d1,d2) )
1.6 noro 651: error("ndl_matrix_compare : invalid matrix");
652: return 0;
1.1 noro 653: }
654:
655: int ndl_composite_compare(UINT *d1,UINT *d2)
656: {
657: int i,j,s,start,end,len,o;
658: int *v;
659: struct sparse_weight *sw;
660:
661: for ( j = 0; j < nd_nvar; j++ )
662: nd_work_vector[j] = GET_EXP(d1,j)-GET_EXP(d2,j);
663: for ( i = 0; i < nd_worb_len; i++ ) {
664: len = nd_worb[i].length;
665: switch ( nd_worb[i].type ) {
666: case IS_DENSE_WEIGHT:
667: v = nd_worb[i].body.dense_weight;
668: for ( j = 0, s = 0; j < len; j++ )
669: s += v[j]*nd_work_vector[j];
670: if ( s > 0 ) return 1;
671: else if ( s < 0 ) return -1;
672: break;
673: case IS_SPARSE_WEIGHT:
674: sw = nd_worb[i].body.sparse_weight;
675: for ( j = 0, s = 0; j < len; j++ )
676: s += sw[j].value*nd_work_vector[sw[j].pos];
677: if ( s > 0 ) return 1;
678: else if ( s < 0 ) return -1;
679: break;
680: case IS_BLOCK:
681: o = nd_worb[i].body.block.order;
682: start = nd_worb[i].body.block.start;
683: switch ( o ) {
684: case 0:
685: end = start+len;
686: for ( j = start, s = 0; j < end; j++ )
687: s += MUL_WEIGHT(nd_work_vector[j],j);
688: if ( s > 0 ) return 1;
689: else if ( s < 0 ) return -1;
690: for ( j = end-1; j >= start; j-- )
691: if ( nd_work_vector[j] < 0 ) return 1;
692: else if ( nd_work_vector[j] > 0 ) return -1;
693: break;
694: case 1:
695: end = start+len;
696: for ( j = start, s = 0; j < end; j++ )
697: s += MUL_WEIGHT(nd_work_vector[j],j);
698: if ( s > 0 ) return 1;
699: else if ( s < 0 ) return -1;
700: for ( j = start; j < end; j++ )
701: if ( nd_work_vector[j] > 0 ) return 1;
702: else if ( nd_work_vector[j] < 0 ) return -1;
703: break;
704: case 2:
705: end = start+len;
706: for ( j = start; j < end; j++ )
707: if ( nd_work_vector[j] > 0 ) return 1;
708: else if ( nd_work_vector[j] < 0 ) return -1;
709: break;
710: }
711: break;
712: }
713: }
714: return 0;
715: }
716:
717: /* TDH -> WW -> TD-> RL */
718:
719: int ndl_ww_lex_compare(UINT *d1,UINT *d2)
720: {
721: int i,m,e1,e2;
722:
723: if ( TD(d1) > TD(d2) ) return 1;
724: else if ( TD(d1) < TD(d2) ) return -1;
725: m = nd_nvar>>1;
726: for ( i = 0, e1 = e2 = 0; i < m; i++ ) {
727: e1 += current_weyl_weight_vector[i]*(GET_EXP(d1,m+i)-GET_EXP(d1,i));
728: e2 += current_weyl_weight_vector[i]*(GET_EXP(d2,m+i)-GET_EXP(d2,i));
729: }
730: if ( e1 > e2 ) return 1;
731: else if ( e1 < e2 ) return -1;
732: return ndl_lex_compare(d1,d2);
733: }
734:
1.21 noro 735: // common function for module glex and grlex comparison
736: int ndl_module_glex_compare(UINT *d1,UINT *d2)
1.1 noro 737: {
1.21 noro 738: int c;
1.1 noro 739:
1.21 noro 740: switch ( nd_module_ordtype ) {
741: case 0:
742: if ( TD(d1) > TD(d2) ) return 1;
743: else if ( TD(d1) < TD(d2) ) return -1;
744: else if ( (c = ndl_lex_compare(d1,d2)) != 0 ) return c;
745: else if ( MPOS(d1) < MPOS(d2) ) return 1;
746: else if ( MPOS(d1) > MPOS(d2) ) return -1;
747: else return 0;
748: break;
1.1 noro 749:
1.21 noro 750: case 1:
1.19 noro 751: if ( nd_pot_nelim && MPOS(d1)>=nd_pot_nelim+1 && MPOS(d2) >= nd_pot_nelim+1 ) {
752: if ( TD(d1) > TD(d2) ) return 1;
753: else if ( TD(d1) < TD(d2) ) return -1;
754: if ( (c = ndl_lex_compare(d1,d2)) != 0 ) return c;
755: if ( MPOS(d1) < MPOS(d2) ) return 1;
756: else if ( MPOS(d1) > MPOS(d2) ) return -1;
757: }
758: if ( MPOS(d1) < MPOS(d2) ) return 1;
759: else if ( MPOS(d1) > MPOS(d2) ) return -1;
1.21 noro 760: else if ( TD(d1) > TD(d2) ) return 1;
761: else if ( TD(d1) < TD(d2) ) return -1;
762: else return ndl_lex_compare(d1,d2);
763: break;
1.1 noro 764:
1.21 noro 765: case 2: // weight -> POT
766: if ( TD(d1) > TD(d2) ) return 1;
767: else if ( TD(d1) < TD(d2) ) return -1;
768: else if ( MPOS(d1) < MPOS(d2) ) return 1;
769: else if ( MPOS(d1) > MPOS(d2) ) return -1;
770: else return ndl_lex_compare(d1,d2);
771: break;
1.1 noro 772:
1.21 noro 773: default:
774: error("ndl_module_glex_compare : invalid module_ordtype");
1.28 noro 775: return 0;
1.21 noro 776: }
1.1 noro 777: }
778:
1.21 noro 779: // common for module comparison
780: int ndl_module_compare(UINT *d1,UINT *d2)
1.1 noro 781: {
1.21 noro 782: int c;
1.1 noro 783:
1.21 noro 784: switch ( nd_module_ordtype ) {
785: case 0:
1.23 noro 786: if ( (c = (*ndl_base_compare_function)(d1,d2)) != 0 ) return c;
1.21 noro 787: else if ( MPOS(d1) > MPOS(d2) ) return -1;
788: else if ( MPOS(d1) < MPOS(d2) ) return 1;
789: else return 0;
790: break;
1.1 noro 791:
1.21 noro 792: case 1:
793: if ( MPOS(d1) < MPOS(d2) ) return 1;
794: else if ( MPOS(d1) > MPOS(d2) ) return -1;
795: else return (*ndl_base_compare_function)(d1,d2);
796: break;
1.1 noro 797:
1.21 noro 798: case 2: // weight -> POT
799: if ( TD(d1) > TD(d2) ) return 1;
800: else if ( TD(d1) < TD(d2) ) return -1;
801: else if ( MPOS(d1) < MPOS(d2) ) return 1;
802: else if ( MPOS(d1) > MPOS(d2) ) return -1;
803: else return (*ndl_base_compare_function)(d1,d2);
804: break;
1.1 noro 805:
1.21 noro 806: default:
807: error("ndl_module_compare : invalid module_ordtype");
1.28 noro 808: return 0;
1.21 noro 809: }
1.1 noro 810: }
811:
1.21 noro 812: extern DMMstack dmm_stack;
813: void _addtodl(int n,DL d1,DL d2);
1.31 noro 814: void _adddl(int n,DL d1,DL d2,DL d3);
1.21 noro 815: int _eqdl(int n,DL d1,DL d2);
816:
817: int ndl_module_schreyer_compare(UINT *m1,UINT *m2)
818: {
1.44 noro 819: int pos1,pos2,t,j,retpot;
1.21 noro 820: DMM *in;
821: DMMstack s;
822: static DL d1=0;
823: static DL d2=0;
824: static int dlen=0;
1.44 noro 825: extern int ReversePOT;
1.21 noro 826:
1.44 noro 827: if ( ReversePOT ) retpot = -1;
828: else retpot = 1;
1.21 noro 829: pos1 = MPOS(m1); pos2 = MPOS(m2);
830: if ( pos1 == pos2 ) return (*ndl_base_compare_function)(m1,m2);
831: if ( nd_nvar > dlen ) {
832: NEWDL(d1,nd_nvar);
833: NEWDL(d2,nd_nvar);
834: dlen = nd_nvar;
835: }
836: d1->td = TD(m1);
837: for ( j = 0; j < nd_nvar; j++ ) d1->d[j] = GET_EXP(m1,j);
838: d2->td = TD(m2);
839: for ( j = 0; j < nd_nvar; j++ ) d2->d[j] = GET_EXP(m2,j);
840: for ( s = dmm_stack; s; s = NEXT(s) ) {
841: in = s->in;
842: _addtodl(nd_nvar,in[pos1]->dl,d1);
843: _addtodl(nd_nvar,in[pos2]->dl,d2);
844: if ( in[pos1]->pos == in[pos2]->pos && _eqdl(nd_nvar,d1,d2)) {
1.44 noro 845: if ( pos1 < pos2 ) return retpot;
846: else if ( pos1 > pos2 ) return -retpot;
1.21 noro 847: else return 0;
848: }
849: pos1 = in[pos1]->pos;
850: pos2 = in[pos2]->pos;
851: if ( pos1 == pos2 ) return (*dl_base_compare_function)(nd_nvar,d1,d2);
852: }
853: // comparison by the bottom order
854: LAST:
855: switch ( nd_base_ordtype ) {
856: case 0:
857: t = (*dl_base_compare_function)(nd_nvar,d1,d2);
858: if ( t ) return t;
1.44 noro 859: else if ( pos1 < pos2 ) return retpot;
860: else if ( pos1 > pos2 ) return -retpot;
1.21 noro 861: else return 0;
862: break;
863: case 1:
1.44 noro 864: if ( pos1 < pos2 ) return retpot;
865: else if ( pos1 > pos2 ) return -retpot;
1.21 noro 866: else return (*dl_base_compare_function)(nd_nvar,d1,d2);
867: break;
868: case 2:
869: if ( d1->td > d2->td ) return 1;
870: else if ( d1->td < d2->td ) return -1;
1.44 noro 871: else if ( pos1 < pos2 ) return retpot;
872: else if ( pos1 > pos2 ) return -retpot;
1.21 noro 873: else return (*dl_base_compare_function)(nd_nvar,d1,d2);
874: break;
875: default:
876: error("ndl_schreyer_compare : invalid base ordtype");
1.28 noro 877: return 0;
1.21 noro 878: }
1.1 noro 879: }
880:
881: INLINE int ndl_equal(UINT *d1,UINT *d2)
882: {
883: int i;
884:
885: switch ( nd_wpd ) {
886: case 2:
887: if ( TD(d2) != TD(d1) ) return 0;
888: if ( d2[1] != d1[1] ) return 0;
889: return 1;
890: break;
891: case 3:
892: if ( TD(d2) != TD(d1) ) return 0;
893: if ( d2[1] != d1[1] ) return 0;
894: if ( d2[2] != d1[2] ) return 0;
895: return 1;
896: break;
897: default:
898: for ( i = 0; i < nd_wpd; i++ )
899: if ( *d1++ != *d2++ ) return 0;
900: return 1;
901: break;
902: }
903: }
904:
905: INLINE void ndl_copy(UINT *d1,UINT *d2)
906: {
907: int i;
908:
909: switch ( nd_wpd ) {
910: case 2:
911: TD(d2) = TD(d1);
912: d2[1] = d1[1];
913: break;
914: case 3:
915: TD(d2) = TD(d1);
916: d2[1] = d1[1];
917: d2[2] = d1[2];
918: break;
919: default:
920: for ( i = 0; i < nd_wpd; i++ )
921: d2[i] = d1[i];
922: break;
923: }
924: }
925:
926: INLINE void ndl_zero(UINT *d)
927: {
928: int i;
929: for ( i = 0; i < nd_wpd; i++ ) d[i] = 0;
930: }
931:
932: INLINE void ndl_add(UINT *d1,UINT *d2,UINT *d)
933: {
934: int i;
935:
936: if ( nd_module ) {
937: if ( MPOS(d1) && MPOS(d2) && (MPOS(d1) != MPOS(d2)) )
938: error("ndl_add : invalid operation");
939: }
940: #if 1
941: switch ( nd_wpd ) {
942: case 2:
943: TD(d) = TD(d1)+TD(d2);
944: d[1] = d1[1]+d2[1];
945: break;
946: case 3:
947: TD(d) = TD(d1)+TD(d2);
948: d[1] = d1[1]+d2[1];
949: d[2] = d1[2]+d2[2];
950: break;
951: default:
952: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]+d2[i];
953: break;
954: }
955: #else
956: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]+d2[i];
957: #endif
958: }
959:
960: /* d1 += d2 */
961: INLINE void ndl_addto(UINT *d1,UINT *d2)
962: {
963: int i;
964:
965: if ( nd_module ) {
966: if ( MPOS(d1) && MPOS(d2) && (MPOS(d1) != MPOS(d2)) )
967: error("ndl_addto : invalid operation");
968: }
969: #if 1
970: switch ( nd_wpd ) {
971: case 2:
972: TD(d1) += TD(d2);
973: d1[1] += d2[1];
974: break;
975: case 3:
976: TD(d1) += TD(d2);
977: d1[1] += d2[1];
978: d1[2] += d2[2];
979: break;
980: default:
981: for ( i = 0; i < nd_wpd; i++ ) d1[i] += d2[i];
982: break;
983: }
984: #else
985: for ( i = 0; i < nd_wpd; i++ ) d1[i] += d2[i];
986: #endif
987: }
988:
989: INLINE void ndl_sub(UINT *d1,UINT *d2,UINT *d)
990: {
991: int i;
992:
993: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]-d2[i];
994: }
995:
996: int ndl_disjoint(UINT *d1,UINT *d2)
997: {
998: UINT t1,t2,u,u1,u2;
999: int i,j;
1000:
1001: if ( nd_module && (MPOS(d1) == MPOS(d2)) ) return 0;
1002: #if USE_UNROLL
1003: switch ( nd_bpe ) {
1004: case 3:
1005: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1006: u1 = d1[i]; u2 = d2[i];
1007: t1 = u1&0x38000000; t2 = u2&0x38000000; if ( t1&&t2 ) return 0;
1008: t1 = u1& 0x7000000; t2 = u2& 0x7000000; if ( t1&&t2 ) return 0;
1009: t1 = u1& 0xe00000; t2 = u2& 0xe00000; if ( t1&&t2 ) return 0;
1010: t1 = u1& 0x1c0000; t2 = u2& 0x1c0000; if ( t1&&t2 ) return 0;
1011: t1 = u1& 0x38000; t2 = u2& 0x38000; if ( t1&&t2 ) return 0;
1012: t1 = u1& 0x7000; t2 = u2& 0x7000; if ( t1&&t2 ) return 0;
1013: t1 = u1& 0xe00; t2 = u2& 0xe00; if ( t1&&t2 ) return 0;
1014: t1 = u1& 0x1c0; t2 = u2& 0x1c0; if ( t1&&t2 ) return 0;
1015: t1 = u1& 0x38; t2 = u2& 0x38; if ( t1&&t2 ) return 0;
1016: t1 = u1& 0x7; t2 = u2& 0x7; if ( t1&&t2 ) return 0;
1017: }
1018: return 1;
1019: break;
1020: case 4:
1021: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1022: u1 = d1[i]; u2 = d2[i];
1023: t1 = u1&0xf0000000; t2 = u2&0xf0000000; if ( t1&&t2 ) return 0;
1024: t1 = u1& 0xf000000; t2 = u2& 0xf000000; if ( t1&&t2 ) return 0;
1025: t1 = u1& 0xf00000; t2 = u2& 0xf00000; if ( t1&&t2 ) return 0;
1026: t1 = u1& 0xf0000; t2 = u2& 0xf0000; if ( t1&&t2 ) return 0;
1027: t1 = u1& 0xf000; t2 = u2& 0xf000; if ( t1&&t2 ) return 0;
1028: t1 = u1& 0xf00; t2 = u2& 0xf00; if ( t1&&t2 ) return 0;
1029: t1 = u1& 0xf0; t2 = u2& 0xf0; if ( t1&&t2 ) return 0;
1030: t1 = u1& 0xf; t2 = u2& 0xf; if ( t1&&t2 ) return 0;
1031: }
1032: return 1;
1033: break;
1034: case 6:
1035: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1036: u1 = d1[i]; u2 = d2[i];
1037: t1 = u1&0x3f000000; t2 = u2&0x3f000000; if ( t1&&t2 ) return 0;
1038: t1 = u1& 0xfc0000; t2 = u2& 0xfc0000; if ( t1&&t2 ) return 0;
1039: t1 = u1& 0x3f000; t2 = u2& 0x3f000; if ( t1&&t2 ) return 0;
1040: t1 = u1& 0xfc0; t2 = u2& 0xfc0; if ( t1&&t2 ) return 0;
1041: t1 = u1& 0x3f; t2 = u2& 0x3f; if ( t1&&t2 ) return 0;
1042: }
1043: return 1;
1044: break;
1045: case 8:
1046: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1047: u1 = d1[i]; u2 = d2[i];
1048: t1 = u1&0xff000000; t2 = u2&0xff000000; if ( t1&&t2 ) return 0;
1049: t1 = u1& 0xff0000; t2 = u2& 0xff0000; if ( t1&&t2 ) return 0;
1050: t1 = u1& 0xff00; t2 = u2& 0xff00; if ( t1&&t2 ) return 0;
1051: t1 = u1& 0xff; t2 = u2& 0xff; if ( t1&&t2 ) return 0;
1052: }
1053: return 1;
1054: break;
1055: case 16:
1056: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1057: u1 = d1[i]; u2 = d2[i];
1058: t1 = u1&0xffff0000; t2 = u2&0xffff0000; if ( t1&&t2 ) return 0;
1059: t1 = u1& 0xffff; t2 = u2& 0xffff; if ( t1&&t2 ) return 0;
1060: }
1061: return 1;
1062: break;
1063: case 32:
1064: for ( i = nd_exporigin; i < nd_wpd; i++ )
1065: if ( d1[i] && d2[i] ) return 0;
1066: return 1;
1067: break;
1068: default:
1069: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1070: u1 = d1[i]; u2 = d2[i];
1071: for ( j = 0; j < nd_epw; j++ ) {
1072: if ( (u1&nd_mask0) && (u2&nd_mask0) ) return 0;
1073: u1 >>= nd_bpe; u2 >>= nd_bpe;
1074: }
1075: }
1076: return 1;
1077: break;
1078: }
1079: #else
1080: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1081: u1 = d1[i]; u2 = d2[i];
1082: for ( j = 0; j < nd_epw; j++ ) {
1083: if ( (u1&nd_mask0) && (u2&nd_mask0) ) return 0;
1084: u1 >>= nd_bpe; u2 >>= nd_bpe;
1085: }
1086: }
1087: return 1;
1088: #endif
1089: }
1090:
1091: int ndl_check_bound(UINT *d1,UINT *d2)
1092: {
1093: UINT u2;
1094: int i,j,ind,k;
1095:
1096: ind = 0;
1097: #if USE_UNROLL
1098: switch ( nd_bpe ) {
1099: case 3:
1100: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1101: u2 = d2[i];
1102: if ( d1[ind++]+((u2>>27)&0x7) >= 0x8 ) return 1;
1103: if ( d1[ind++]+((u2>>24)&0x7) >= 0x8 ) return 1;
1104: if ( d1[ind++]+((u2>>21)&0x7) >= 0x8 ) return 1;
1105: if ( d1[ind++]+((u2>>18)&0x7) >= 0x8 ) return 1;
1106: if ( d1[ind++]+((u2>>15)&0x7) >= 0x8 ) return 1;
1107: if ( d1[ind++]+((u2>>12)&0x7) >= 0x8 ) return 1;
1108: if ( d1[ind++]+((u2>>9)&0x7) >= 0x8 ) return 1;
1109: if ( d1[ind++]+((u2>>6)&0x7) >= 0x8 ) return 1;
1110: if ( d1[ind++]+((u2>>3)&0x7) >= 0x8 ) return 1;
1111: if ( d1[ind++]+(u2&0x7) >= 0x8 ) return 1;
1112: }
1113: return 0;
1114: break;
1115: case 4:
1116: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1117: u2 = d2[i];
1118: if ( d1[ind++]+((u2>>28)&0xf) >= 0x10 ) return 1;
1119: if ( d1[ind++]+((u2>>24)&0xf) >= 0x10 ) return 1;
1120: if ( d1[ind++]+((u2>>20)&0xf) >= 0x10 ) return 1;
1121: if ( d1[ind++]+((u2>>16)&0xf) >= 0x10 ) return 1;
1122: if ( d1[ind++]+((u2>>12)&0xf) >= 0x10 ) return 1;
1123: if ( d1[ind++]+((u2>>8)&0xf) >= 0x10 ) return 1;
1124: if ( d1[ind++]+((u2>>4)&0xf) >= 0x10 ) return 1;
1125: if ( d1[ind++]+(u2&0xf) >= 0x10 ) return 1;
1126: }
1127: return 0;
1128: break;
1129: case 6:
1130: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1131: u2 = d2[i];
1132: if ( d1[ind++]+((u2>>24)&0x3f) >= 0x40 ) return 1;
1133: if ( d1[ind++]+((u2>>18)&0x3f) >= 0x40 ) return 1;
1134: if ( d1[ind++]+((u2>>12)&0x3f) >= 0x40 ) return 1;
1135: if ( d1[ind++]+((u2>>6)&0x3f) >= 0x40 ) return 1;
1136: if ( d1[ind++]+(u2&0x3f) >= 0x40 ) return 1;
1137: }
1138: return 0;
1139: break;
1140: case 8:
1141: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1142: u2 = d2[i];
1143: if ( d1[ind++]+((u2>>24)&0xff) >= 0x100 ) return 1;
1144: if ( d1[ind++]+((u2>>16)&0xff) >= 0x100 ) return 1;
1145: if ( d1[ind++]+((u2>>8)&0xff) >= 0x100 ) return 1;
1146: if ( d1[ind++]+(u2&0xff) >= 0x100 ) return 1;
1147: }
1148: return 0;
1149: break;
1150: case 16:
1151: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1152: u2 = d2[i];
1153: if ( d1[ind++]+((u2>>16)&0xffff) > 0x10000 ) return 1;
1154: if ( d1[ind++]+(u2&0xffff) > 0x10000 ) return 1;
1155: }
1156: return 0;
1157: break;
1158: case 32:
1159: for ( i = nd_exporigin; i < nd_wpd; i++ )
1160: if ( d1[i]+d2[i]<d1[i] ) return 1;
1161: return 0;
1162: break;
1163: default:
1164: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1165: u2 = d2[i];
1166: k = (nd_epw-1)*nd_bpe;
1167: for ( j = 0; j < nd_epw; j++, k -= nd_bpe )
1168: if ( d1[ind++]+((u2>>k)&nd_mask0) > nd_mask0 ) return 1;
1169: }
1170: return 0;
1171: break;
1172: }
1173: #else
1174: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
1175: u2 = d2[i];
1176: k = (nd_epw-1)*nd_bpe;
1177: for ( j = 0; j < nd_epw; j++, k -= nd_bpe )
1178: if ( d1[ind++]+((u2>>k)&nd_mask0) > nd_mask0 ) return 1;
1179: }
1180: return 0;
1181: #endif
1182: }
1183:
1184: int ndl_check_bound2(int index,UINT *d2)
1185: {
1186: return ndl_check_bound(nd_bound[index],d2);
1187: }
1188:
1189: INLINE int ndl_hash_value(UINT *d)
1190: {
1191: int i;
1.11 noro 1192: UINT r;
1.1 noro 1193:
1194: r = 0;
1195: for ( i = 0; i < nd_wpd; i++ )
1.12 noro 1196: r = (r*1511+d[i]);
1.11 noro 1197: r %= REDTAB_LEN;
1.1 noro 1198: return r;
1199: }
1200:
1201: INLINE int ndl_find_reducer(UINT *dg)
1202: {
1203: RHist r;
1204: int d,k,i;
1205:
1206: d = ndl_hash_value(dg);
1207: for ( r = nd_red[d], k = 0; r; r = NEXT(r), k++ ) {
1208: if ( ndl_equal(dg,DL(r)) ) {
1209: if ( k > 0 ) nd_notfirst++;
1210: nd_found++;
1211: return r->index;
1212: }
1213: }
1214: if ( Reverse )
1215: for ( i = nd_psn-1; i >= 0; i-- ) {
1216: r = nd_psh[i];
1217: if ( ndl_reducible(dg,DL(r)) ) {
1218: nd_create++;
1219: nd_append_red(dg,i);
1220: return i;
1221: }
1222: }
1223: else
1224: for ( i = 0; i < nd_psn; i++ ) {
1225: r = nd_psh[i];
1226: if ( ndl_reducible(dg,DL(r)) ) {
1227: nd_create++;
1228: nd_append_red(dg,i);
1229: return i;
1230: }
1231: }
1232: return -1;
1233: }
1234:
1.41 noro 1235: INLINE int ndl_find_reducer_nonsig(UINT *dg)
1236: {
1237: RHist r;
1238: int i;
1239:
1240: for ( i = 0; i < nd_psn; i++ ) {
1241: r = nd_psh[i];
1242: if ( ndl_reducible(dg,DL(r)) ) return i;
1243: }
1244: return -1;
1245: }
1246:
1.24 noro 1247: // ret=0,...,nd_psn-1 => reducer found
1248: // ret=nd_psn => reducer not found
1249: // ret=-1 => singular top reducible
1250:
1251: int comp_sig(SIG s1,SIG s2);
1252: void _ndltodl(UINT *ndl,DL dl);
1253:
1254: void print_sig(SIG s)
1255: {
1256: int i;
1257:
1258: fprintf(asir_out,"<<");
1259: for ( i = 0; i < nd_nvar; i++ ) {
1260: fprintf(asir_out,"%d",s->dl->d[i]);
1261: if ( i != nd_nvar-1 ) fprintf(asir_out,",");
1262: }
1263: fprintf(asir_out,">>*e%d",s->pos);
1264: }
1265:
1.45 noro 1266: void print_siglist(NODE l)
1267: {
1268: for ( ; l; l = NEXT(l) )
1269: print_sig((SIG)l->body);
1270: }
1271:
1272:
1.35 noro 1273: // assuming increasing order wrt signature
1274:
1.24 noro 1275: INLINE int ndl_find_reducer_s(UINT *dg,SIG sig)
1276: {
1277: RHist r;
1.27 noro 1278: int i,singular,ret,d,k;
1.26 noro 1279: static int wpd,nvar;
1.24 noro 1280: static SIG quo;
1281: static UINT *tmp;
1282:
1.26 noro 1283: if ( !quo || nvar != nd_nvar ) NEWSIG(quo);
1284: if ( wpd != nd_wpd ) {
1.24 noro 1285: wpd = nd_wpd;
1286: tmp = (UINT *)MALLOC(wpd*sizeof(UINT));
1287: }
1.27 noro 1288: d = ndl_hash_value(dg);
1.35 noro 1289: #if 1
1.27 noro 1290: for ( r = nd_red[d], k = 0; r; r = NEXT(r), k++ ) {
1291: if ( ndl_equal(dg,DL(r)) ) {
1292: return r->index;
1293: }
1294: }
1.35 noro 1295: #endif
1.24 noro 1296: singular = 0;
1297: for ( i = 0; i < nd_psn; i++ ) {
1298: r = nd_psh[i];
1299: if ( ndl_reducible(dg,DL(r)) ) {
1.27 noro 1300: ndl_sub(dg,DL(r),tmp);
1.24 noro 1301: _ndltodl(tmp,DL(quo));
1302: _addtodl(nd_nvar,DL(nd_psh[i]->sig),DL(quo));
1303: quo->pos = nd_psh[i]->sig->pos;
1304: ret = comp_sig(sig,quo);
1305: if ( ret > 0 ) { singular = 0; break; }
1.38 noro 1306: if ( ret == 0 ) { /* fprintf(asir_out,"s"); fflush(asir_out); */ singular = 1; }
1.24 noro 1307: }
1308: }
1309: if ( singular ) return -1;
1.27 noro 1310: else if ( i < nd_psn )
1311: nd_append_red(dg,i);
1312: return i;
1.24 noro 1313: }
1314:
1.1 noro 1315: ND nd_merge(ND p1,ND p2)
1316: {
1317: int n,c;
1318: int t,can,td1,td2;
1319: ND r;
1320: NM m1,m2,mr0,mr,s;
1321:
1322: if ( !p1 ) return p2;
1323: else if ( !p2 ) return p1;
1324: else {
1325: can = 0;
1326: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1327: c = DL_COMPARE(DL(m1),DL(m2));
1328: switch ( c ) {
1329: case 0:
1330: s = m1; m1 = NEXT(m1);
1331: can++; NEXTNM2(mr0,mr,s);
1332: s = m2; m2 = NEXT(m2); FREENM(s);
1333: break;
1334: case 1:
1335: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1336: break;
1337: case -1:
1338: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1339: break;
1340: }
1341: }
1342: if ( !mr0 )
1343: if ( m1 ) mr0 = m1;
1344: else if ( m2 ) mr0 = m2;
1345: else return 0;
1346: else if ( m1 ) NEXT(mr) = m1;
1347: else if ( m2 ) NEXT(mr) = m2;
1348: else NEXT(mr) = 0;
1349: BDY(p1) = mr0;
1350: SG(p1) = MAX(SG(p1),SG(p2));
1351: LEN(p1) = LEN(p1)+LEN(p2)-can;
1352: FREEND(p2);
1353: return p1;
1354: }
1355: }
1356:
1357: ND nd_add(int mod,ND p1,ND p2)
1358: {
1359: int n,c;
1360: int t,can,td1,td2;
1361: ND r;
1362: NM m1,m2,mr0,mr,s;
1363:
1.11 noro 1364: Nnd_add++;
1.1 noro 1365: if ( !p1 ) return p2;
1366: else if ( !p2 ) return p1;
1367: else if ( mod == -1 ) return nd_add_sf(p1,p2);
1368: else if ( mod == -2 ) return nd_add_lf(p1,p2);
1369: else if ( !mod ) return nd_add_q(p1,p2);
1370: else {
1371: can = 0;
1372: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1373: c = DL_COMPARE(DL(m1),DL(m2));
1374: switch ( c ) {
1375: case 0:
1376: t = ((CM(m1))+(CM(m2))) - mod;
1377: if ( t < 0 ) t += mod;
1378: s = m1; m1 = NEXT(m1);
1379: if ( t ) {
1380: can++; NEXTNM2(mr0,mr,s); CM(mr) = (t);
1381: } else {
1382: can += 2; FREENM(s);
1383: }
1384: s = m2; m2 = NEXT(m2); FREENM(s);
1385: break;
1386: case 1:
1387: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1388: break;
1389: case -1:
1390: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1391: break;
1392: }
1393: }
1394: if ( !mr0 )
1395: if ( m1 ) mr0 = m1;
1396: else if ( m2 ) mr0 = m2;
1397: else return 0;
1398: else if ( m1 ) NEXT(mr) = m1;
1399: else if ( m2 ) NEXT(mr) = m2;
1400: else NEXT(mr) = 0;
1401: BDY(p1) = mr0;
1402: SG(p1) = MAX(SG(p1),SG(p2));
1403: LEN(p1) = LEN(p1)+LEN(p2)-can;
1404: FREEND(p2);
1405: return p1;
1406: }
1407: }
1408:
1409: /* XXX on opteron, the inlined manipulation of destructive additon of
1410: * two NM seems to make gcc optimizer get confused, so the part is
1411: * done in a function.
1412: */
1413:
1414: int nm_destructive_add_q(NM *m1,NM *m2,NM *mr0,NM *mr)
1415: {
1416: NM s;
1417: P t;
1418: int can;
1419:
1420: addp(nd_vc,CP(*m1),CP(*m2),&t);
1421: s = *m1; *m1 = NEXT(*m1);
1422: if ( t ) {
1423: can = 1; NEXTNM2(*mr0,*mr,s); CP(*mr) = (t);
1424: } else {
1425: can = 2; FREENM(s);
1426: }
1427: s = *m2; *m2 = NEXT(*m2); FREENM(s);
1428: return can;
1429: }
1430:
1431: ND nd_add_q(ND p1,ND p2)
1432: {
1433: int n,c,can;
1434: ND r;
1435: NM m1,m2,mr0,mr,s;
1436: P t;
1437:
1438: if ( !p1 ) return p2;
1439: else if ( !p2 ) return p1;
1440: else {
1441: can = 0;
1442: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1443: c = DL_COMPARE(DL(m1),DL(m2));
1444: switch ( c ) {
1445: case 0:
1446: #if defined(__x86_64__)
1447: can += nm_destructive_add_q(&m1,&m2,&mr0,&mr);
1448: #else
1449: addp(nd_vc,CP(m1),CP(m2),&t);
1450: s = m1; m1 = NEXT(m1);
1451: if ( t ) {
1452: can++; NEXTNM2(mr0,mr,s); CP(mr) = (t);
1453: } else {
1454: can += 2; FREENM(s);
1455: }
1456: s = m2; m2 = NEXT(m2); FREENM(s);
1457: #endif
1458: break;
1459: case 1:
1460: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1461: break;
1462: case -1:
1463: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1464: break;
1465: }
1466: }
1467: if ( !mr0 )
1468: if ( m1 ) mr0 = m1;
1469: else if ( m2 ) mr0 = m2;
1470: else return 0;
1471: else if ( m1 ) NEXT(mr) = m1;
1472: else if ( m2 ) NEXT(mr) = m2;
1473: else NEXT(mr) = 0;
1474: BDY(p1) = mr0;
1475: SG(p1) = MAX(SG(p1),SG(p2));
1476: LEN(p1) = LEN(p1)+LEN(p2)-can;
1477: FREEND(p2);
1478: return p1;
1479: }
1480: }
1481:
1482: ND nd_add_sf(ND p1,ND p2)
1483: {
1484: int n,c,can;
1485: ND r;
1486: NM m1,m2,mr0,mr,s;
1487: int t;
1488:
1489: if ( !p1 ) return p2;
1490: else if ( !p2 ) return p1;
1491: else {
1492: can = 0;
1493: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1494: c = DL_COMPARE(DL(m1),DL(m2));
1495: switch ( c ) {
1496: case 0:
1497: t = _addsf(CM(m1),CM(m2));
1498: s = m1; m1 = NEXT(m1);
1499: if ( t ) {
1500: can++; NEXTNM2(mr0,mr,s); CM(mr) = (t);
1501: } else {
1502: can += 2; FREENM(s);
1503: }
1504: s = m2; m2 = NEXT(m2); FREENM(s);
1505: break;
1506: case 1:
1507: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1508: break;
1509: case -1:
1510: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1511: break;
1512: }
1513: }
1514: if ( !mr0 )
1515: if ( m1 ) mr0 = m1;
1516: else if ( m2 ) mr0 = m2;
1517: else return 0;
1518: else if ( m1 ) NEXT(mr) = m1;
1519: else if ( m2 ) NEXT(mr) = m2;
1520: else NEXT(mr) = 0;
1521: BDY(p1) = mr0;
1522: SG(p1) = MAX(SG(p1),SG(p2));
1523: LEN(p1) = LEN(p1)+LEN(p2)-can;
1524: FREEND(p2);
1525: return p1;
1526: }
1527: }
1528:
1529:
1530: ND nd_reduce2(int mod,ND d,ND g,NDV p,NM mul,NDC dn,Obj *divp)
1531: {
1532: int c,c1,c2;
1533: Z cg,cred,gcd,tq;
1534: P cgp,credp,gcdp;
1535: Obj tr,tr1;
1536:
1537: if ( mod == -1 ) {
1538: CM(mul) = _mulsf(_invsf(HCM(p)),_chsgnsf(HCM(g)));
1539: *divp = (Obj)ONE;
1540: } else if ( mod == -2 ) {
1541: Z inv,t;
1542: divlf(ONE,HCZ(p),&inv);
1543: chsgnlf(HCZ(g),&t);
1544: mullf(inv,t,&CZ(mul));
1545: *divp = (Obj)ONE;
1546: } else if ( mod ) {
1547: c1 = invm(HCM(p),mod); c2 = mod-HCM(g);
1548: DMAR(c1,c2,0,mod,c); CM(mul) = c;
1549: *divp = (Obj)ONE;
1550: } else if ( nd_vc ) {
1551: ezgcdpz(nd_vc,HCP(g),HCP(p),&gcdp);
1552: divsp(nd_vc,HCP(g),gcdp,&cgp); divsp(nd_vc,HCP(p),gcdp,&credp);
1553: chsgnp(cgp,&CP(mul));
1554: nd_mul_c_q(d,credp); nd_mul_c_q(g,credp);
1555: if ( dn ) {
1556: mulr(nd_vc,(Obj)dn->r,(Obj)credp,&tr);
1557: reductr(nd_vc,tr,&tr1); dn->r = (R)tr1;
1558: }
1559: *divp = (Obj)credp;
1560: } else {
1.6 noro 1561: igcd_cofactor(HCZ(g),HCZ(p),&gcd,&cg,&cred);
1562: chsgnz(cg,&CZ(mul));
1.1 noro 1563: nd_mul_c_q(d,(P)cred); nd_mul_c_q(g,(P)cred);
1564: if ( dn ) {
1565: mulz(dn->z,cred,&tq); dn->z = tq;
1566: }
1567: *divp = (Obj)cred;
1568: }
1569: return nd_add(mod,g,ndv_mul_nm(mod,mul,p));
1570: }
1571:
1572: /* ret=1 : success, ret=0 : overflow */
1.6 noro 1573: int nd_nf(int mod,ND d,ND g,NDV *ps,int full,ND *rp)
1.1 noro 1574: {
1575: NM m,mrd,tail;
1576: NM mul;
1577: int n,sugar,psugar,sugar0,stat,index;
1578: int c,c1,c2,dummy;
1579: RHist h;
1580: NDV p,red;
1581: Q cg,cred,gcd,tq,qq;
1582: Z iq;
1583: DP dmul;
1584: NODE node;
1585: LIST hist;
1586: double hmag;
1587: P tp,tp1;
1588: Obj tr,tr1,div;
1589: union oNDC hg;
1590: P cont;
1591:
1592: if ( !g ) {
1593: *rp = d;
1594: return 1;
1595: }
1596: if ( !mod ) hmag = ((double)p_mag(HCP(g)))*nd_scale;
1597:
1598: sugar0 = sugar = SG(g);
1599: n = NV(g);
1600: mul = (NM)MALLOC(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
1601: if ( d )
1602: for ( tail = BDY(d); NEXT(tail); tail = NEXT(tail) );
1603: for ( ; g; ) {
1604: index = ndl_find_reducer(HDL(g));
1605: if ( index >= 0 ) {
1606: h = nd_psh[index];
1607: ndl_sub(HDL(g),DL(h),DL(mul));
1608: if ( ndl_check_bound2(index,DL(mul)) ) {
1609: nd_free(g); nd_free(d);
1610: return 0;
1611: }
1612: p = nd_demand ? ndv_load(index) : ps[index];
1613: /* d+g -> div*(d+g)+mul*p */
1.6 noro 1614: g = nd_reduce2(mod,d,g,p,mul,0,&div);
1.1 noro 1615: if ( nd_gentrace ) {
1616: /* Trace=[div,index,mul,ONE] */
1.6 noro 1617: STOZ(index,iq);
1.1 noro 1618: nmtodp(mod,mul,&dmul);
1619: node = mknode(4,div,iq,dmul,ONE);
1620: }
1621: sugar = MAX(sugar,SG(p)+TD(DL(mul)));
1622: if ( !mod && g && !nd_vc && ((double)(p_mag(HCP(g))) > hmag) ) {
1623: hg = HCU(g);
1624: nd_removecont2(d,g);
1.6 noro 1625: if ( nd_gentrace ) {
1.1 noro 1626: /* overwrite cont : Trace=[div,index,mul,cont] */
1.6 noro 1627: /* exact division */
1.1 noro 1628: cont = ndc_div(mod,hg,HCU(g));
1629: if ( nd_gentrace && !UNIQ(cont) ) ARG3(node) = (pointer)cont;
1630: }
1631: hmag = ((double)p_mag(HCP(g)))*nd_scale;
1632: }
1633: MKLIST(hist,node);
1634: MKNODE(node,hist,nd_tracelist); nd_tracelist = node;
1635: } else if ( !full ) {
1636: *rp = g;
1637: return 1;
1638: } else {
1639: m = BDY(g);
1640: if ( NEXT(m) ) {
1641: BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--;
1642: } else {
1643: FREEND(g); g = 0;
1644: }
1645: if ( d ) {
1646: NEXT(tail)=m; tail=m; LEN(d)++;
1647: } else {
1648: MKND(n,m,1,d); tail = BDY(d);
1649: }
1650: }
1651: }
1652: if ( d ) SG(d) = sugar;
1653: *rp = d;
1654: return 1;
1655: }
1656:
1.24 noro 1657: // ret=1 => success
1658: // ret=0 => overflow
1659: // ret=-1 => singular top reducible
1660:
1661: int nd_nf_s(int mod,ND d,ND g,NDV *ps,int full,ND *rp)
1662: {
1663: NM m,mrd,tail;
1664: NM mul;
1665: int n,sugar,psugar,sugar0,stat,index;
1666: int c,c1,c2,dummy;
1667: RHist h;
1668: NDV p,red;
1669: Q cg,cred,gcd,tq,qq;
1670: Z iq;
1671: DP dmul;
1672: NODE node;
1673: LIST hist;
1674: double hmag;
1675: P tp,tp1;
1676: Obj tr,tr1,div;
1677: union oNDC hg;
1678: P cont;
1679: SIG sig;
1680:
1681: if ( !g ) {
1682: *rp = d;
1683: return 1;
1684: }
1685: if ( !mod ) hmag = ((double)p_mag(HCP(g)))*nd_scale;
1686:
1687: sugar0 = sugar = SG(g);
1688: n = NV(g);
1689: mul = (NM)MALLOC(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
1690: if ( d )
1691: for ( tail = BDY(d); NEXT(tail); tail = NEXT(tail) );
1692: sig = g->sig;
1693: for ( ; g; ) {
1694: index = ndl_find_reducer_s(HDL(g),sig);
1695: if ( index >= 0 && index < nd_psn ) {
1696: // reducer found
1697: h = nd_psh[index];
1698: ndl_sub(HDL(g),DL(h),DL(mul));
1699: if ( ndl_check_bound2(index,DL(mul)) ) {
1700: nd_free(g); nd_free(d);
1701: return 0;
1702: }
1703: p = ps[index];
1704: /* d+g -> div*(d+g)+mul*p */
1705: g = nd_reduce2(mod,d,g,p,mul,0,&div);
1706: sugar = MAX(sugar,SG(p)+TD(DL(mul)));
1707: if ( !mod && g && ((double)(p_mag(HCP(g))) > hmag) ) {
1708: hg = HCU(g);
1709: nd_removecont2(d,g);
1710: hmag = ((double)p_mag(HCP(g)))*nd_scale;
1711: }
1712: } else if ( index == -1 ) {
1713: // singular top reducible
1714: return -1;
1715: } else if ( !full ) {
1716: *rp = g;
1717: g->sig = sig;
1718: return 1;
1719: } else {
1720: m = BDY(g);
1721: if ( NEXT(m) ) {
1722: BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--;
1723: } else {
1724: FREEND(g); g = 0;
1725: }
1726: if ( d ) {
1727: NEXT(tail)=m; tail=m; LEN(d)++;
1728: } else {
1729: MKND(n,m,1,d); tail = BDY(d);
1730: }
1731: }
1732: }
1733: if ( d ) {
1734: SG(d) = sugar;
1735: d->sig = sig;
1736: }
1737: *rp = d;
1738: return 1;
1739: }
1740:
1.1 noro 1741: int nd_nf_pbucket(int mod,ND g,NDV *ps,int full,ND *rp)
1742: {
1743: int hindex,index;
1744: NDV p;
1745: ND u,d,red;
1746: NODE l;
1747: NM mul,m,mrd,tail;
1748: int sugar,psugar,n,h_reducible;
1749: PGeoBucket bucket;
1750: int c,c1,c2;
1751: Z cg,cred,gcd,zzz;
1752: RHist h;
1753: double hmag,gmag;
1754: int count = 0;
1755: int hcount = 0;
1756:
1757: if ( !g ) {
1758: *rp = 0;
1759: return 1;
1760: }
1761: sugar = SG(g);
1762: n = NV(g);
1.6 noro 1763: if ( !mod ) hmag = ((double)p_mag((P)HCZ(g)))*nd_scale;
1.1 noro 1764: bucket = create_pbucket();
1765: add_pbucket(mod,bucket,g);
1766: d = 0;
1767: mul = (NM)MALLOC(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
1768: while ( 1 ) {
1769: if ( mod > 0 || mod == -1 )
1770: hindex = head_pbucket(mod,bucket);
1771: else if ( mod == -2 )
1772: hindex = head_pbucket_lf(bucket);
1773: else
1774: hindex = head_pbucket_q(bucket);
1775: if ( hindex < 0 ) {
1776: if ( DP_Print > 3 ) printf("(%d %d)",count,hcount);
1777: if ( d ) SG(d) = sugar;
1778: *rp = d;
1779: return 1;
1780: }
1781: g = bucket->body[hindex];
1782: index = ndl_find_reducer(HDL(g));
1783: if ( index >= 0 ) {
1784: count++;
1785: if ( !d ) hcount++;
1786: h = nd_psh[index];
1787: ndl_sub(HDL(g),DL(h),DL(mul));
1788: if ( ndl_check_bound2(index,DL(mul)) ) {
1789: nd_free(d);
1790: free_pbucket(bucket);
1791: *rp = 0;
1792: return 0;
1793: }
1794: p = ps[index];
1795: if ( mod == -1 )
1796: CM(mul) = _mulsf(_invsf(HCM(p)),_chsgnsf(HCM(g)));
1797: else if ( mod == -2 ) {
1798: Z inv,t;
1799: divlf(ONE,HCZ(p),&inv);
1800: chsgnlf(HCZ(g),&t);
1801: mullf(inv,t,&CZ(mul));
1802: } else if ( mod ) {
1803: c1 = invm(HCM(p),mod); c2 = mod-HCM(g);
1804: DMAR(c1,c2,0,mod,c); CM(mul) = c;
1805: } else {
1.6 noro 1806: igcd_cofactor(HCZ(g),HCZ(p),&gcd,&cg,&cred);
1807: chsgnz(cg,&CZ(mul));
1.1 noro 1808: nd_mul_c_q(d,(P)cred);
1809: mulq_pbucket(bucket,cred);
1810: g = bucket->body[hindex];
1.6 noro 1811: gmag = (double)p_mag((P)HCZ(g));
1.1 noro 1812: }
1813: red = ndv_mul_nm(mod,mul,p);
1814: bucket->body[hindex] = nd_remove_head(g);
1815: red = nd_remove_head(red);
1816: add_pbucket(mod,bucket,red);
1817: psugar = SG(p)+TD(DL(mul));
1818: sugar = MAX(sugar,psugar);
1819: if ( !mod && hmag && (gmag > hmag) ) {
1820: g = normalize_pbucket(mod,bucket);
1821: if ( !g ) {
1822: if ( d ) SG(d) = sugar;
1823: *rp = d;
1824: return 1;
1825: }
1826: nd_removecont2(d,g);
1.6 noro 1827: hmag = ((double)p_mag((P)HCZ(g)))*nd_scale;
1.1 noro 1828: add_pbucket(mod,bucket,g);
1829: }
1830: } else if ( !full ) {
1831: g = normalize_pbucket(mod,bucket);
1832: if ( g ) SG(g) = sugar;
1833: *rp = g;
1834: return 1;
1835: } else {
1836: m = BDY(g);
1837: if ( NEXT(m) ) {
1838: BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--;
1839: } else {
1840: FREEND(g); g = 0;
1841: }
1842: bucket->body[hindex] = g;
1843: NEXT(m) = 0;
1844: if ( d ) {
1845: NEXT(tail)=m; tail=m; LEN(d)++;
1846: } else {
1847: MKND(n,m,1,d); tail = BDY(d);
1848: }
1849: }
1850: }
1851: }
1852:
1.25 noro 1853: int nd_nf_pbucket_s(int mod,ND g,NDV *ps,int full,ND *rp)
1854: {
1855: int hindex,index;
1856: NDV p;
1857: ND u,d,red;
1858: NODE l;
1859: NM mul,m,mrd,tail;
1860: int sugar,psugar,n,h_reducible;
1861: PGeoBucket bucket;
1862: int c,c1,c2;
1863: Z cg,cred,gcd,zzz;
1864: RHist h;
1865: double hmag,gmag;
1866: int count = 0;
1867: int hcount = 0;
1868: SIG sig;
1869:
1870: if ( !g ) {
1871: *rp = 0;
1872: return 1;
1873: }
1874: sugar = SG(g);
1875: n = NV(g);
1876: if ( !mod ) hmag = ((double)p_mag((P)HCZ(g)))*nd_scale;
1877: bucket = create_pbucket();
1878: add_pbucket(mod,bucket,g);
1879: d = 0;
1880: mul = (NM)MALLOC(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
1881: sig = g->sig;
1882: while ( 1 ) {
1883: if ( mod > 0 || mod == -1 )
1884: hindex = head_pbucket(mod,bucket);
1885: else if ( mod == -2 )
1886: hindex = head_pbucket_lf(bucket);
1887: else
1888: hindex = head_pbucket_q(bucket);
1889: if ( hindex < 0 ) {
1890: if ( DP_Print > 3 ) printf("(%d %d)",count,hcount);
1891: if ( d ) {
1892: SG(d) = sugar;
1893: d->sig = sig;
1894: }
1895: *rp = d;
1896: return 1;
1897: }
1898: g = bucket->body[hindex];
1899: index = ndl_find_reducer_s(HDL(g),sig);
1900: if ( index >= 0 && index < nd_psn ) {
1901: count++;
1902: if ( !d ) hcount++;
1903: h = nd_psh[index];
1904: ndl_sub(HDL(g),DL(h),DL(mul));
1905: if ( ndl_check_bound2(index,DL(mul)) ) {
1906: nd_free(d);
1907: free_pbucket(bucket);
1908: *rp = 0;
1909: return 0;
1910: }
1911: p = ps[index];
1912: if ( mod == -1 )
1913: CM(mul) = _mulsf(_invsf(HCM(p)),_chsgnsf(HCM(g)));
1914: else if ( mod == -2 ) {
1915: Z inv,t;
1916: divlf(ONE,HCZ(p),&inv);
1917: chsgnlf(HCZ(g),&t);
1918: mullf(inv,t,&CZ(mul));
1919: } else if ( mod ) {
1920: c1 = invm(HCM(p),mod); c2 = mod-HCM(g);
1921: DMAR(c1,c2,0,mod,c); CM(mul) = c;
1922: } else {
1923: igcd_cofactor(HCZ(g),HCZ(p),&gcd,&cg,&cred);
1924: chsgnz(cg,&CZ(mul));
1925: nd_mul_c_q(d,(P)cred);
1926: mulq_pbucket(bucket,cred);
1927: g = bucket->body[hindex];
1928: gmag = (double)p_mag((P)HCZ(g));
1929: }
1930: red = ndv_mul_nm(mod,mul,p);
1931: bucket->body[hindex] = nd_remove_head(g);
1932: red = nd_remove_head(red);
1933: add_pbucket(mod,bucket,red);
1934: psugar = SG(p)+TD(DL(mul));
1935: sugar = MAX(sugar,psugar);
1936: if ( !mod && hmag && (gmag > hmag) ) {
1937: g = normalize_pbucket(mod,bucket);
1938: if ( !g ) {
1939: if ( d ) {
1940: SG(d) = sugar;
1941: d->sig = sig;
1942: }
1943: *rp = d;
1944: return 1;
1945: }
1946: nd_removecont2(d,g);
1947: hmag = ((double)p_mag((P)HCZ(g)))*nd_scale;
1948: add_pbucket(mod,bucket,g);
1949: }
1950: } else if ( index == -1 ) {
1951: // singular top reducible
1952: return -1;
1953: } else if ( !full ) {
1954: g = normalize_pbucket(mod,bucket);
1955: if ( g ) {
1956: SG(g) = sugar;
1957: g->sig = sig;
1958: }
1959: *rp = g;
1960: return 1;
1961: } else {
1962: m = BDY(g);
1963: if ( NEXT(m) ) {
1964: BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--;
1965: } else {
1966: FREEND(g); g = 0;
1967: }
1968: bucket->body[hindex] = g;
1969: NEXT(m) = 0;
1970: if ( d ) {
1971: NEXT(tail)=m; tail=m; LEN(d)++;
1972: } else {
1973: MKND(n,m,1,d); tail = BDY(d);
1974: }
1975: }
1976: }
1977: }
1978:
1.1 noro 1979: /* input : list of NDV, cand : list of NDV */
1980:
1981: int ndv_check_membership(int m,NODE input,int obpe,int oadv,EPOS oepos,NODE cand)
1982: {
1983: int n,i,stat;
1984: ND nf,d;
1985: NDV r;
1986: NODE t,s;
1987: union oNDC dn;
1988: Z q;
1989: LIST list;
1990:
1.24 noro 1991: ndv_setup(m,0,cand,nd_gentrace?1:0,1,0);
1.1 noro 1992: n = length(cand);
1993:
1994: if ( nd_gentrace ) { nd_alltracelist = 0; nd_tracelist = 0; }
1995: /* membercheck : list is a subset of Id(cand) ? */
1996: for ( t = input, i = 0; t; t = NEXT(t), i++ ) {
1997: again:
1998: nd_tracelist = 0;
1999: if ( nd_bpe > obpe )
2000: r = ndv_dup_realloc((NDV)BDY(t),obpe,oadv,oepos);
2001: else
2002: r = (NDV)BDY(t);
2003: #if 0
2004: // moved to nd_f4_lf_trace()
2005: if ( m == -2 ) ndv_mod(m,r);
2006: #endif
2007: d = ndvtond(m,r);
1.6 noro 2008: stat = nd_nf(m,0,d,nd_ps,0,&nf);
1.1 noro 2009: if ( !stat ) {
2010: nd_reconstruct(0,0);
2011: goto again;
2012: } else if ( nf ) return 0;
2013: if ( nd_gentrace ) {
2014: nd_tracelist = reverse_node(nd_tracelist);
2015: MKLIST(list,nd_tracelist);
1.6 noro 2016: STOZ(i,q); s = mknode(2,q,list); MKLIST(list,s);
1.1 noro 2017: MKNODE(s,list,nd_alltracelist);
2018: nd_alltracelist = s; nd_tracelist = 0;
2019: }
2020: if ( DP_Print ) { printf("."); fflush(stdout); }
2021: }
2022: if ( DP_Print ) { printf("\n"); }
2023: return 1;
2024: }
2025:
2026: ND nd_remove_head(ND p)
2027: {
2028: NM m;
2029:
2030: m = BDY(p);
2031: if ( !NEXT(m) ) {
2032: FREEND(p); p = 0;
2033: } else {
2034: BDY(p) = NEXT(m); LEN(p)--;
2035: }
2036: FREENM(m);
2037: return p;
2038: }
2039:
2040: ND nd_separate_head(ND p,ND *head)
2041: {
2042: NM m,m0;
2043: ND r;
2044:
2045: m = BDY(p);
2046: if ( !NEXT(m) ) {
2047: *head = p; p = 0;
2048: } else {
2049: m0 = m;
2050: BDY(p) = NEXT(m); LEN(p)--;
2051: NEXT(m0) = 0;
2052: MKND(NV(p),m0,1,r);
2053: *head = r;
2054: }
2055: return p;
2056: }
2057:
2058: PGeoBucket create_pbucket()
2059: {
2060: PGeoBucket g;
2061:
2062: g = CALLOC(1,sizeof(struct oPGeoBucket));
2063: g->m = -1;
2064: return g;
2065: }
2066:
2067: void free_pbucket(PGeoBucket b) {
2068: int i;
2069:
2070: for ( i = 0; i <= b->m; i++ )
2071: if ( b->body[i] ) {
2072: nd_free(b->body[i]);
2073: b->body[i] = 0;
2074: }
2075: GCFREE(b);
2076: }
2077:
1.39 noro 2078: #if 0
1.1 noro 2079: void add_pbucket_symbolic(PGeoBucket g,ND d)
2080: {
2081: int l,i,k,m;
2082:
2083: if ( !d )
2084: return;
2085: l = LEN(d);
2086: for ( k = 0, m = 1; l > m; k++, m <<= 1 );
2087: /* 2^(k-1) < l <= 2^k (=m) */
2088: d = nd_merge(g->body[k],d);
2089: for ( ; d && LEN(d) > m; k++, m <<= 1 ) {
2090: g->body[k] = 0;
2091: d = nd_merge(g->body[k+1],d);
2092: }
2093: g->body[k] = d;
2094: g->m = MAX(g->m,k);
2095: }
1.39 noro 2096: #else
2097: void add_pbucket_symbolic(PGeoBucket g,ND d)
2098: {
2099: int l,i,k,m,m0;
2100:
2101: if ( !d )
2102: return;
2103: m0 = g->m;
2104: while ( 1 ) {
2105: l = LEN(d);
2106: for ( k = 0, m = 1; l > m; k++, m <<= 1 );
2107: /* 2^(k-1) < l <= 2^k (=m) */
2108: if ( g->body[k] == 0 ) {
2109: g->body[k] = d;
2110: m0 = MAX(k,m0);
2111: break;
2112: } else {
2113: d = nd_merge(g->body[k],d);
2114: g->body[k] = 0;
2115: }
2116: }
2117: g->m = m0;
2118: }
2119: #endif
1.1 noro 2120:
1.39 noro 2121: #if 0
1.1 noro 2122: void add_pbucket(int mod,PGeoBucket g,ND d)
2123: {
2124: int l,i,k,m;
2125:
2126: if ( !d )
2127: return;
2128: l = LEN(d);
2129: for ( k = 0, m = 1; l > m; k++, m <<= 1 );
2130: /* 2^(k-1) < l <= 2^k (=m) */
2131: d = nd_add(mod,g->body[k],d);
2132: for ( ; d && LEN(d) > m; k++, m <<= 1 ) {
2133: g->body[k] = 0;
2134: d = nd_add(mod,g->body[k+1],d);
2135: }
2136: g->body[k] = d;
2137: g->m = MAX(g->m,k);
2138: }
1.39 noro 2139: #else
2140: void add_pbucket(int mod,PGeoBucket g,ND d)
2141: {
2142: int l,i,k,m,m0;
2143:
2144: m0 = g->m;
2145: while ( d != 0 ) {
2146: l = LEN(d);
2147: for ( k = 0, m = 1; l > m; k++, m <<= 1 );
2148: /* 2^(k-1) < l <= 2^k (=m) */
2149: if ( g->body[k] == 0 ) {
2150: g->body[k] = d;
2151: m0 = MAX(k,m0);
2152: break;
2153: } else {
2154: d = nd_add(mod,g->body[k],d);
2155: g->body[k] = 0;
2156: }
2157: }
2158: g->m = m0;
2159: }
2160: #endif
1.1 noro 2161:
2162: void mulq_pbucket(PGeoBucket g,Z c)
2163: {
2164: int k;
2165:
2166: for ( k = 0; k <= g->m; k++ )
2167: nd_mul_c_q(g->body[k],(P)c);
2168: }
2169:
2170: NM remove_head_pbucket_symbolic(PGeoBucket g)
2171: {
2172: int j,i,k,c;
2173: NM head;
2174:
2175: k = g->m;
2176: j = -1;
2177: for ( i = 0; i <= k; i++ ) {
2178: if ( !g->body[i] ) continue;
2179: if ( j < 0 ) j = i;
2180: else {
2181: c = DL_COMPARE(HDL(g->body[i]),HDL(g->body[j]));
2182: if ( c > 0 )
2183: j = i;
2184: else if ( c == 0 )
2185: g->body[i] = nd_remove_head(g->body[i]);
2186: }
2187: }
2188: if ( j < 0 ) return 0;
2189: else {
2190: head = BDY(g->body[j]);
2191: if ( !NEXT(head) ) {
2192: FREEND(g->body[j]);
2193: g->body[j] = 0;
2194: } else {
2195: BDY(g->body[j]) = NEXT(head);
2196: LEN(g->body[j])--;
2197: }
2198: return head;
2199: }
2200: }
2201:
2202: int head_pbucket(int mod,PGeoBucket g)
2203: {
2204: int j,i,c,k,nv,sum;
2205: UINT *di,*dj;
2206: ND gi,gj;
2207:
2208: k = g->m;
2209: while ( 1 ) {
2210: j = -1;
2211: for ( i = 0; i <= k; i++ ) {
2212: if ( !(gi = g->body[i]) )
2213: continue;
2214: if ( j < 0 ) {
2215: j = i;
2216: gj = g->body[j];
2217: dj = HDL(gj);
2218: sum = HCM(gj);
2219: } else {
2220: c = DL_COMPARE(HDL(gi),dj);
2221: if ( c > 0 ) {
2222: if ( sum ) HCM(gj) = sum;
2223: else g->body[j] = nd_remove_head(gj);
2224: j = i;
2225: gj = g->body[j];
2226: dj = HDL(gj);
2227: sum = HCM(gj);
2228: } else if ( c == 0 ) {
2229: if ( mod == -1 )
2230: sum = _addsf(sum,HCM(gi));
2231: else {
2232: sum = sum+HCM(gi)-mod;
2233: if ( sum < 0 ) sum += mod;
2234: }
2235: g->body[i] = nd_remove_head(gi);
2236: }
2237: }
2238: }
2239: if ( j < 0 ) return -1;
2240: else if ( sum ) {
2241: HCM(gj) = sum;
2242: return j;
2243: } else
2244: g->body[j] = nd_remove_head(gj);
2245: }
2246: }
2247:
2248: int head_pbucket_q(PGeoBucket g)
2249: {
2250: int j,i,c,k,nv;
2251: Z sum,t;
2252: ND gi,gj;
2253:
2254: k = g->m;
2255: while ( 1 ) {
2256: j = -1;
2257: for ( i = 0; i <= k; i++ ) {
2258: if ( !(gi = g->body[i]) ) continue;
2259: if ( j < 0 ) {
2260: j = i;
2261: gj = g->body[j];
1.6 noro 2262: sum = HCZ(gj);
1.1 noro 2263: } else {
2264: nv = NV(gi);
2265: c = DL_COMPARE(HDL(gi),HDL(gj));
2266: if ( c > 0 ) {
1.6 noro 2267: if ( sum ) HCZ(gj) = sum;
1.1 noro 2268: else g->body[j] = nd_remove_head(gj);
2269: j = i;
2270: gj = g->body[j];
1.6 noro 2271: sum = HCZ(gj);
1.1 noro 2272: } else if ( c == 0 ) {
1.6 noro 2273: addz(sum,HCZ(gi),&t);
1.1 noro 2274: sum = t;
2275: g->body[i] = nd_remove_head(gi);
2276: }
2277: }
2278: }
2279: if ( j < 0 ) return -1;
2280: else if ( sum ) {
1.6 noro 2281: HCZ(gj) = sum;
1.1 noro 2282: return j;
2283: } else
2284: g->body[j] = nd_remove_head(gj);
2285: }
2286: }
2287:
2288: int head_pbucket_lf(PGeoBucket g)
2289: {
2290: int j,i,c,k,nv;
2291: Z sum,t;
2292: ND gi,gj;
2293:
2294: k = g->m;
2295: while ( 1 ) {
2296: j = -1;
2297: for ( i = 0; i <= k; i++ ) {
2298: if ( !(gi = g->body[i]) ) continue;
2299: if ( j < 0 ) {
2300: j = i;
2301: gj = g->body[j];
2302: sum = HCZ(gj);
2303: } else {
2304: nv = NV(gi);
2305: c = DL_COMPARE(HDL(gi),HDL(gj));
2306: if ( c > 0 ) {
2307: if ( sum ) HCZ(gj) = sum;
2308: else g->body[j] = nd_remove_head(gj);
2309: j = i;
2310: gj = g->body[j];
2311: sum = HCZ(gj);
2312: } else if ( c == 0 ) {
2313: addlf(sum,HCZ(gi),&t);
2314: sum = t;
2315: g->body[i] = nd_remove_head(gi);
2316: }
2317: }
2318: }
2319: if ( j < 0 ) return -1;
2320: else if ( sum ) {
2321: HCZ(gj) = sum;
2322: return j;
2323: } else
2324: g->body[j] = nd_remove_head(gj);
2325: }
2326: }
2327:
2328: ND normalize_pbucket(int mod,PGeoBucket g)
2329: {
2330: int i;
2331: ND r,t;
2332:
2333: r = 0;
2334: for ( i = 0; i <= g->m; i++ ) {
2335: r = nd_add(mod,r,g->body[i]);
2336: g->body[i] = 0;
2337: }
2338: g->m = -1;
2339: return r;
2340: }
2341:
2342: #if 0
2343: void register_hcf(NDV p)
2344: {
2345: DCP dc,t;
2346: P hc,h;
2347: int c;
2348: NODE l,l1,prev;
2349:
2350: hc = p->body->c.p;
2351: if ( !nd_vc || NUM(hc) ) return;
2352: fctrp(nd_vc,hc,&dc);
2353: for ( t = dc; t; t = NEXT(t) ) {
2354: h = t->c;
2355: if ( NUM(h) ) continue;
2356: for ( prev = 0, l = nd_hcf; l; prev = l, l = NEXT(l) ) {
2357: c = compp(nd_vc,h,(P)BDY(l));
2358: if ( c >= 0 ) break;
2359: }
2360: if ( !l || c > 0 ) {
2361: MKNODE(l1,h,l);
2362: if ( !prev )
2363: nd_hcf = l1;
2364: else
2365: NEXT(prev) = l1;
2366: }
2367: }
2368: }
2369: #else
2370: void register_hcf(NDV p)
2371: {
2372: DCP dc,t;
2373: P hc,h,q;
2374: Q dmy;
2375: int c;
2376: NODE l,l1,prev;
2377:
2378: hc = p->body->c.p;
2379: if ( NUM(hc) ) return;
2380: ptozp(hc,1,&dmy,&h);
2381: #if 1
2382: for ( l = nd_hcf; l; l = NEXT(l) ) {
2383: while ( 1 ) {
2384: if ( divtpz(nd_vc,h,(P)BDY(l),&q) ) h = q;
2385: else break;
2386: }
2387: }
2388: if ( NUM(h) ) return;
2389: #endif
2390: for ( prev = 0, l = nd_hcf; l; prev = l, l = NEXT(l) ) {
2391: c = compp(nd_vc,h,(P)BDY(l));
2392: if ( c >= 0 ) break;
2393: }
2394: if ( !l || c > 0 ) {
2395: MKNODE(l1,h,l);
2396: if ( !prev )
2397: nd_hcf = l1;
2398: else
2399: NEXT(prev) = l1;
2400: }
2401: }
2402: #endif
2403:
2404: int do_diagonalize(int sugar,int m)
2405: {
1.6 noro 2406: int i,nh,stat;
2407: NODE r,g,t;
2408: ND h,nf,s,head;
2409: NDV nfv;
2410: Q q;
2411: P nm,nmp,dn,mnp,dnp,cont,cont1;
2412: union oNDC hc;
2413: NODE node;
2414: LIST l;
2415: Z iq;
1.1 noro 2416:
1.6 noro 2417: for ( i = nd_psn-1; i >= 0 && SG(nd_psh[i]) == sugar; i-- ) {
2418: if ( nd_gentrace ) {
2419: /* Trace = [1,index,1,1] */
2420: STOZ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
2421: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
2422: }
2423: if ( nd_demand )
2424: nfv = ndv_load(i);
2425: else
2426: nfv = nd_ps[i];
2427: s = ndvtond(m,nfv);
2428: s = nd_separate_head(s,&head);
2429: stat = nd_nf(m,head,s,nd_ps,1,&nf);
2430: if ( !stat ) return 0;
2431: ndv_free(nfv);
2432: hc = HCU(nf); nd_removecont(m,nf);
2433: /* exact division */
2434: cont = ndc_div(m,hc,HCU(nf));
1.1 noro 2435: if ( nd_gentrace ) finalize_tracelist(i,cont);
1.6 noro 2436: nfv = ndtondv(m,nf);
2437: nd_free(nf);
2438: nd_bound[i] = ndv_compute_bound(nfv);
2439: if ( !m ) register_hcf(nfv);
2440: if ( nd_demand ) {
2441: ndv_save(nfv,i);
2442: ndv_free(nfv);
2443: } else
2444: nd_ps[i] = nfv;
2445: }
2446: return 1;
1.1 noro 2447: }
2448:
2449: LIST compute_splist()
2450: {
2451: NODE g,tn0,tn,node;
2452: LIST l0;
2453: ND_pairs d,t;
2454: int i;
2455: Z i1,i2;
2456:
2457: g = 0; d = 0;
2458: for ( i = 0; i < nd_psn; i++ ) {
2459: d = update_pairs(d,g,i,0);
2460: g = update_base(g,i);
2461: }
2462: for ( t = d, tn0 = 0; t; t = NEXT(t) ) {
2463: NEXTNODE(tn0,tn);
1.6 noro 2464: STOZ(t->i1,i1); STOZ(t->i2,i2);
1.1 noro 2465: node = mknode(2,i1,i2); MKLIST(l0,node);
2466: BDY(tn) = l0;
2467: }
2468: if ( tn0 ) NEXT(tn) = 0; MKLIST(l0,tn0);
2469: return l0;
2470: }
2471:
1.49 noro 2472: typedef struct oHPDATA {
2473: P hn; // HP(t)=hn(t)/(1-t)^n
2474: int len;
2475: P *head; // hp(i)=head[i] (i=0,...,len-1)
2476: P hp; // dim Hm(i)=hp(i) (i >= len)
2477: VECT x; // BDY(x)[i] = <<0,...,1,...,0>>
2478: P *plist; // plist[i]=(1-t)^i
2479: } *HPDATA;
2480:
2481: void make_reduced(VECT b,int nv);
2482: void mhp_rec(VECT b,VECT x,P t,P *r);
2483: P mhp_ctop(P *r,P *plist,int n);
2484: void mhp_to_hf(VL vl,P hp,int n,P *plist,VECT *head,P *hf);
2485: DL monomial_colon(DL a,DL b,int n);
2486: LIST dp_monomial_hilbert_poincare(VECT b,VECT x,P *plist);
2487:
2488: int hpvalue(HPDATA data,int d)
2489: {
2490: P *head;
2491: int len;
2492: P hp,val;
2493: Z dz;
2494:
2495: head = data->head;
2496: len = data->len;
2497: hp = data->hp;
2498: if ( d < len )
2499: return ZTOS((Z)head[d]);
2500: else {
2501: STOZ(d,dz);
2502: substp(CO,hp,hp->v,(P)dz,&val);
2503: return ZTOS((Z)val);
2504: }
2505: }
2506:
2507: void setup_hpdata(HPDATA final,HPDATA current)
2508: {
2509: int n,i;
2510: P *r;
2511: DL *p;
2512: P tv;
2513: VECT b,x,head;
2514: DL dl;
2515:
2516: n = nd_nvar;
2517: final->hn = (P)ARG0(nd_hpdata);
2518: head = (VECT)ARG2(nd_hpdata);
2519: final->len = head->len;
2520: final->head = (P *)BDY(head);
2521: final->hp = (P)ARG3(nd_hpdata);
2522: final->plist = (P *)BDY((VECT)ARG4(nd_hpdata));
2523: MKVECT(x,n);
2524: for ( i = 0; i < n; i++ ) {
2525: NEWDL(dl,n); dl->d[i] = 1; dl->td = 1; BDY(x)[i] = dl;
2526: }
2527: final->x = x;
2528:
2529: r = (P *)CALLOC(n+1,sizeof(P));
2530: MKVECT(b,nd_psn); p = (DL *)BDY(b);
2531: for ( i = 0; i < nd_psn; i++ ) {
2532: p[i] = ndltodl(n,nd_psh[i]->dl);
2533: }
2534: make_reduced(b,n);
2535: makevar("t",&tv);
2536: mhp_rec(b,x,tv,r);
2537: current->hn = mhp_ctop(r,final->plist,n);
2538: mhp_to_hf(CO,current->hn,n,final->plist,&head,¤t->hp);
2539: current->head = (P *)BDY(head);
2540: current->len = head->len;
2541: current->x = x;
2542: current->plist = final->plist;
2543: }
2544:
2545: void update_hpdata(HPDATA current,int nh,int do_hf)
2546: {
2547: NODE data1,nd,t;
2548: DL new,dl;
2549: int len,i,n;
2550: Z dz;
2551: DL *p;
2552: VECT b,head;
2553: P tv,td,s,hn,hpoly;
2554: LIST list1;
2555:
2556: n = nd_nvar;
2557: new = ndltodl(n,nd_psh[nh]->dl);
2558: MKVECT(b,nh); p = (DL *)BDY(b);
2559: for ( i = 0; i < nh; i++ ) {
2560: p[i] = monomial_colon(ndltodl(n,nd_psh[i]->dl),new,n);
2561: }
2562: // compute HP(I:new)
2563: list1 = dp_monomial_hilbert_poincare(b,current->x,current->plist);
2564: data1 = BDY((LIST)list1);
2565: // HP(I+<new>) = H(I)-t^d*H(I:new), d=tdeg(new)
2566: makevar("t",&tv); UTOZ(new->td,dz);
2567: pwrp(CO,tv,dz,&td);
2568: mulp(CO,(P)ARG0(data1),td,&s);
2569: subp(CO,current->hn,s,&hn);
2570: current->hn = hn;
2571: if ( do_hf ) {
2572: mhp_to_hf(CO,hn,n,current->plist,&head,&hpoly);
2573: current->head = (P *)BDY(head);
2574: current->len = head->len;
2575: current->hp = hpoly;
2576: }
2577: }
2578:
2579: ND_pairs nd_remove_same_sugar( ND_pairs d, int sugar)
2580: {
2581: struct oND_pairs root;
2582: ND_pairs prev,cur;
2583:
2584: root.next = d;
2585: prev = &root; cur = d;
2586: while ( cur ) {
2587: if ( SG(cur) == sugar )
2588: prev->next = cur->next;
2589: else
2590: prev = cur;
2591: cur = cur->next;
2592: }
2593: return root.next;
2594: }
2595:
1.1 noro 2596: /* return value = 0 => input is not a GB */
2597:
2598: NODE nd_gb(int m,int ishomo,int checkonly,int gensyz,int **indp)
2599: {
1.6 noro 2600: int i,nh,sugar,stat;
2601: NODE r,g,t;
2602: ND_pairs d;
2603: ND_pairs l;
2604: ND h,nf,s,head,nf1;
2605: NDV nfv;
2606: Z q;
2607: union oNDC dn,hc;
2608: int diag_count = 0;
1.41 noro 2609: int Nnfnz = 0,Nnfz = 0;
1.6 noro 2610: P cont;
2611: LIST list;
1.49 noro 2612: struct oHPDATA current_hpdata,final_hpdata;
2613: int final_hpvalue;
2614:
1.27 noro 2615: struct oEGT eg1,eg2,eg_update;
1.6 noro 2616:
1.27 noro 2617: init_eg(&eg_update);
1.11 noro 2618: Nnd_add = 0;
1.6 noro 2619: g = 0; d = 0;
2620: for ( i = 0; i < nd_psn; i++ ) {
2621: d = update_pairs(d,g,i,gensyz);
2622: g = update_base(g,i);
2623: }
2624: sugar = 0;
1.49 noro 2625: if ( nd_hpdata ) {
2626: setup_hpdata(&final_hpdata,¤t_hpdata);
2627: }
1.6 noro 2628: while ( d ) {
1.1 noro 2629: again:
1.6 noro 2630: l = nd_minp(d,&d);
2631: if ( MaxDeg > 0 && SG(l) > MaxDeg ) break;
2632: if ( SG(l) != sugar ) {
2633: if ( ishomo ) {
2634: diag_count = 0;
2635: stat = do_diagonalize(sugar,m);
1.1 noro 2636: if ( !stat ) {
1.6 noro 2637: NEXT(l) = d; d = l;
2638: d = nd_reconstruct(0,d);
2639: goto again;
1.1 noro 2640: }
1.6 noro 2641: }
2642: sugar = SG(l);
2643: if ( DP_Print ) fprintf(asir_out,"%d",sugar);
1.49 noro 2644: if ( nd_hpdata ) {
2645: if ( !compp(CO,final_hpdata.hn,current_hpdata.hn) )
2646: break;
2647: else {
2648: final_hpvalue = hpvalue(&final_hpdata,sugar);
2649: if ( final_hpvalue == hpvalue(¤t_hpdata,sugar) ) {
2650: if ( DP_Print ) fprintf(asir_out,"sugar=%d done.\n",sugar);
2651: d = nd_remove_same_sugar(d,sugar);
2652: continue;
2653: }
2654: }
2655: }
1.6 noro 2656: }
2657: stat = nd_sp(m,0,l,&h);
2658: if ( !stat ) {
2659: NEXT(l) = d; d = l;
2660: d = nd_reconstruct(0,d);
2661: goto again;
2662: }
1.1 noro 2663: #if USE_GEOBUCKET
1.39 noro 2664: stat = (m&&!nd_gentrace)?nd_nf_pbucket(m,h,nd_ps,!nd_top&&!Top,&nf)
2665: :nd_nf(m,0,h,nd_ps,!nd_top&&!Top,&nf);
1.1 noro 2666: #else
1.39 noro 2667: stat = nd_nf(m,0,h,nd_ps,!nd_top&&!Top,&nf);
1.1 noro 2668: #endif
1.6 noro 2669: if ( !stat ) {
2670: NEXT(l) = d; d = l;
2671: d = nd_reconstruct(0,d);
2672: goto again;
2673: } else if ( nf ) {
1.41 noro 2674: Nnfnz++;
1.6 noro 2675: if ( checkonly || gensyz ) return 0;
1.1 noro 2676: if ( nd_newelim ) {
2677: if ( nd_module ) {
2678: if ( MPOS(HDL(nf)) > 1 ) return 0;
2679: } else if ( !(HDL(nf)[nd_exporigin] & nd_mask[0]) ) return 0;
2680: }
1.6 noro 2681: if ( DP_Print ) { printf("+"); fflush(stdout); }
2682: hc = HCU(nf);
2683: nd_removecont(m,nf);
2684: if ( !m && nd_nalg ) {
2685: nd_monic(0,&nf);
2686: nd_removecont(m,nf);
2687: }
2688: if ( nd_gentrace ) {
2689: /* exact division */
1.1 noro 2690: cont = ndc_div(m,hc,HCU(nf));
2691: if ( m || !UNIQ(cont) ) {
1.6 noro 2692: t = mknode(4,NULLP,NULLP,NULLP,cont);
2693: MKLIST(list,t); MKNODE(t,list,nd_tracelist);
1.1 noro 2694: nd_tracelist = t;
2695: }
2696: }
1.6 noro 2697: nfv = ndtondv(m,nf); nd_free(nf);
1.24 noro 2698: nh = ndv_newps(m,nfv,0);
1.6 noro 2699: if ( !m && (ishomo && ++diag_count == diag_period) ) {
2700: diag_count = 0;
2701: stat = do_diagonalize(sugar,m);
2702: if ( !stat ) {
2703: NEXT(l) = d; d = l;
2704: d = nd_reconstruct(1,d);
2705: goto again;
1.1 noro 2706: }
1.6 noro 2707: }
1.27 noro 2708: get_eg(&eg1);
1.6 noro 2709: d = update_pairs(d,g,nh,0);
1.27 noro 2710: get_eg(&eg2); add_eg(&eg_update,&eg1,&eg2);
1.6 noro 2711: g = update_base(g,nh);
2712: FREENDP(l);
1.49 noro 2713: if ( nd_hpdata ) {
2714: update_hpdata(¤t_hpdata,nh,1);
2715: if ( final_hpvalue == hpvalue(¤t_hpdata,sugar) ) {
2716: if ( DP_Print ) fprintf(asir_out,"sugar=%d done.\n",sugar);
2717: d = nd_remove_same_sugar(d,sugar);
2718: }
2719: }
1.41 noro 2720: } else {
2721: Nnfz++;
2722: if ( nd_gentrace && gensyz ) {
2723: nd_tracelist = reverse_node(nd_tracelist);
2724: MKLIST(list,nd_tracelist);
2725: STOZ(-1,q); t = mknode(2,q,list); MKLIST(list,t);
2726: MKNODE(t,list,nd_alltracelist);
2727: nd_alltracelist = t; nd_tracelist = 0;
2728: }
2729: if ( DP_Print ) { printf("."); fflush(stdout); }
2730: FREENDP(l);
2731: }
1.36 noro 2732: }
2733: conv_ilist(nd_demand,0,g,indp);
1.41 noro 2734: if ( !checkonly && DP_Print ) {
2735: printf("\nnd_gb done. Nnd_add=%d,Npairs=%d, Nnfnz=%d,Nnfz=%d,",Nnd_add,Npairs,Nnfnz,Nnfz);
2736: printf("Nremoved=%d\n",NcriB+NcriMF+Ncri2);
2737: fflush(asir_out);
2738: }
2739: if ( DP_Print ) {
2740: print_eg("update",&eg_update); fprintf(asir_out,"\n");
2741: }
1.36 noro 2742: return g;
1.1 noro 2743: }
2744:
1.30 noro 2745: ND_pairs update_pairs_s(ND_pairs d,int t,NODE *syz);
1.47 noro 2746: int update_pairs_array_s(ND_pairs *d,int t,NODE *syz);
1.30 noro 2747: ND_pairs nd_newpairs_s(int t ,NODE *syz);
1.47 noro 2748: ND_pairs *nd_newpairs_array_s(int t ,NODE *syz);
1.24 noro 2749:
2750: int nd_nf_pbucket_s(int mod,ND g,NDV *ps,int full,ND *nf);
2751: int nd_nf_s(int mod,ND d,ND g,NDV *ps,int full,ND *nf);
2752:
2753: void _copydl(int n,DL d1,DL d2);
2754: void _subfromdl(int n,DL d1,DL d2);
2755: extern int (*cmpdl)(int n,DL d1,DL d2);
2756:
2757: NODE insert_sig(NODE l,SIG s)
2758: {
2759: int pos;
2760: DL sig;
2761: struct oNODE root;
2762: NODE p,prev,r;
2763: SIG t;
2764:
2765: pos = s->pos; sig = DL(s);
2766: root.next = l; prev = &root;
2767: for ( p = l; p; p = p->next ) {
2768: t = (SIG)p->body;
2769: if ( t->pos == pos ) {
2770: if ( _dl_redble(DL(t),sig,nd_nvar) )
2771: return root.next;
2772: else if ( _dl_redble(sig,DL(t),nd_nvar) )
2773: // remove p
2774: prev->next = p->next;
1.45 noro 2775: else
2776: prev = p;
1.24 noro 2777: } else
2778: prev = p;
2779: }
1.27 noro 2780: NEWNODE(r); r->body = (pointer)s; r->next = 0;
2781: for ( p = &root; p->next; p = p->next );
2782: p->next = r;
2783: // r->next = root.next;
2784: // return r;
2785: return root.next;
1.24 noro 2786: }
2787:
2788: ND_pairs remove_spair_s(ND_pairs d,SIG sig)
2789: {
2790: struct oND_pairs root;
2791: ND_pairs prev,p;
2792: SIG spsig;
2793:
2794: root.next = d;
2795: prev = &root; p = d;
2796: while ( p ) {
2797: spsig = p->sig;
1.26 noro 2798: if ( sig->pos == spsig->pos && _dl_redble(DL(sig),DL(spsig),nd_nvar) ) {
1.24 noro 2799: // remove p
2800: prev->next = p->next;
1.26 noro 2801: Nsyz++;
2802: } else
1.24 noro 2803: prev = p;
2804: p = p->next;
2805: }
2806: return (ND_pairs)root.next;
2807: }
2808:
1.29 noro 2809: int _dl_redble_ext(DL,DL,DL,int);
2810:
1.28 noro 2811: int small_lcm(ND_pairs l)
2812: {
2813: SIG sig;
2814: int i;
1.29 noro 2815: NODE t;
1.28 noro 2816: static DL lcm,mul,quo;
1.44 noro 2817: static int nvar = 0;
1.28 noro 2818:
1.38 noro 2819: if ( nd_sba_largelcm ) return 0;
1.28 noro 2820: if ( nvar < nd_nvar ) {
2821: nvar = nd_nvar; NEWDL(lcm,nvar); NEWDL(quo,nvar); NEWDL(mul,nvar);
2822: }
2823: sig = l->sig;
2824: _ndltodl(l->lcm,lcm);
1.29 noro 2825: #if 0
1.28 noro 2826: for ( i = 0; i < nd_psn; i++ ) {
2827: if ( sig->pos == nd_psh[i]->sig->pos &&
1.29 noro 2828: _dl_redble_ext(DL(nd_psh[i]->sig),DL(sig),quo,nd_nvar) ) {
1.28 noro 2829: _ndltodl(DL(nd_psh[i]),mul);
2830: _addtodl(nd_nvar,quo,mul);
2831: if ( (*cmpdl)(nd_nvar,lcm,mul) > 0 )
2832: break;
2833: }
2834: }
2835: if ( i < nd_psn ) return 1;
2836: else return 0;
1.29 noro 2837: #else
2838: for ( t = nd_sba_pos[sig->pos]; t; t = t->next ) {
2839: i = (long)BDY(t);
2840: if ( _dl_redble_ext(DL(nd_psh[i]->sig),DL(sig),quo,nd_nvar) ) {
2841: _ndltodl(DL(nd_psh[i]),mul);
2842: _addtodl(nd_nvar,quo,mul);
2843: if ( (*cmpdl)(nd_nvar,lcm,mul) > 0 )
2844: break;
2845: }
2846: }
2847: if ( t ) return 1;
2848: else return 0;
2849: #endif
1.28 noro 2850: }
2851:
1.41 noro 2852: ND_pairs find_smallest_lcm(ND_pairs l)
2853: {
2854: SIG sig;
2855: int i,minindex;
2856: NODE t;
2857: ND_pairs r;
2858: struct oSIG sig1;
2859: static DL mul,quo,minlm;
1.44 noro 2860: static int nvar = 0;
1.41 noro 2861:
2862: if ( nvar < nd_nvar ) {
2863: nvar = nd_nvar;
2864: NEWDL(quo,nvar); NEWDL(mul,nvar);
2865: NEWDL(minlm,nvar);
2866: }
2867: sig = l->sig;
2868: // find mg s.t. m*s(g)=sig and m*lm(g) is minimal
2869: _ndltodl(l->lcm,minlm); minindex = -1;
2870: for ( t = nd_sba_pos[sig->pos]; t; t = t->next ) {
2871: i = (long)BDY(t);
2872: if ( _dl_redble_ext(DL(nd_psh[i]->sig),DL(sig),quo,nd_nvar) ) {
2873: _ndltodl(DL(nd_psh[i]),mul);
2874: _addtodl(nd_nvar,quo,mul);
2875: if ( (*cmpdl)(nd_nvar,minlm,mul) > 0 ) {
2876: minindex = i;
1.47 noro 2877: break;
1.41 noro 2878: _copydl(nd_nvar,mul,minlm);
2879: }
2880: }
2881: }
2882: // l->lcm is minimal; return l itself
2883: if ( minindex < 0 ) return l;
1.47 noro 2884: else return 0;
1.41 noro 2885: for ( i = 0; i < nd_psn; i++ ) {
2886: if ( i == minindex ) continue;
2887: _ndltodl(DL(nd_psh[i]),mul);
2888: if ( _dl_redble_ext(mul,minlm,quo,nd_nvar) ) {
2889: _addtodl(nd_nvar,nd_ps[i]->sig->dl,quo);
2890: sig1.pos = nd_ps[i]->sig->pos;
2891: sig1.dl = quo;
2892: if ( comp_sig(sig,&sig1) > 0 ) {
2893: // printf("X");
2894: NEWND_pairs(r);
2895: r->sig = sig;
2896: r->i1 = minindex;
2897: r->i2 = i;
2898: dltondl(nd_nvar,minlm,r->lcm);
2899: r->next = 0;
2900: return r;
2901: }
2902: }
2903: }
2904: // there is no suitable spair
2905: return 0;
2906: }
2907:
1.28 noro 2908: ND_pairs remove_large_lcm(ND_pairs d)
2909: {
2910: struct oND_pairs root;
2911: ND_pairs prev,p;
2912:
2913: root.next = d;
2914: prev = &root; p = d;
2915: while ( p ) {
1.41 noro 2916: #if 0
1.28 noro 2917: if ( small_lcm(p) ) {
2918: // remove p
2919: prev->next = p->next;
2920: } else
1.41 noro 2921: #else
2922: if ( find_smallest_lcm(p) == 0 ) {
2923: // remove p
2924: prev->next = p->next;
2925: } else
2926: #endif
1.28 noro 2927: prev = p;
2928: p = p->next;
2929: }
2930: return (ND_pairs)root.next;
2931: }
2932:
1.26 noro 2933: struct oEGT eg_create,eg_newpairs,eg_merge;
2934:
1.30 noro 2935: NODE conv_ilist_s(int demand,int trace,int **indp);
2936:
1.44 noro 2937: // S(fj*ei-fi*ej)
2938:
1.45 noro 2939: void _subdl(int,DL,DL,DL);
2940:
1.44 noro 2941: SIG trivial_sig(int i,int j)
2942: {
1.45 noro 2943: static DL lcm;
1.44 noro 2944: static struct oSIG sigi,sigj;
2945: static int nvar = 0;
2946: SIG sig;
2947:
2948: if ( nvar != nd_nvar ) {
1.45 noro 2949: nvar = nd_nvar; NEWDL(lcm,nvar); NEWDL(sigi.dl,nvar); NEWDL(sigj.dl,nvar);
2950: }
1.46 noro 2951: if ( nd_sba_inputisgb != 0 ) {
1.45 noro 2952: lcm_of_DL(nd_nvar,nd_sba_hm[i],nd_sba_hm[j],lcm);
2953: sigi.pos = i; _subdl(nd_nvar,lcm,nd_sba_hm[i],sigi.dl);
2954: sigj.pos = j; _subdl(nd_nvar,lcm,nd_sba_hm[j],sigj.dl);
2955: if ( comp_sig(&sigi,&sigj) > 0 ) sig = dup_sig(&sigi);
2956: else sig = dup_sig(&sigj);
2957: } else {
2958: sigi.pos = i; _copydl(nd_nvar,nd_sba_hm[j],sigi.dl);
2959: sigj.pos = j; _copydl(nd_nvar,nd_sba_hm[i],sigj.dl);
2960: if ( comp_sig(&sigi,&sigj) > 0 ) sig = dup_sig(&sigi);
2961: else sig = dup_sig(&sigj);
1.44 noro 2962: }
2963: return sig;
2964: }
2965:
1.47 noro 2966: int nd_minsig(ND_pairs *d)
2967: {
2968: int min,i,ret;
2969:
2970: min = -1;
2971: for ( i = 0; i < nd_nbase; i++ ) {
2972: if ( d[i] != 0 ) {
2973: if ( min < 0 ) min = i;
2974: else {
2975: ret = comp_sig(d[i]->sig,d[min]->sig);
2976: if ( ret < 0 ) min = i;
2977: }
2978: }
2979: }
2980: return min;
2981: }
2982:
2983: int dlength(ND_pairs d)
2984: {
2985: int i;
2986: for ( i = 0; d; d = d->next, i++ );
2987: return i;
2988: }
2989:
1.44 noro 2990: NODE nd_sba_buch(int m,int ishomo,int **indp,NODE *syzp)
1.24 noro 2991: {
1.39 noro 2992: int i,j,nh,sugar,stat,pos;
1.30 noro 2993: NODE r,t,g;
1.47 noro 2994: ND_pairs *d;
1.41 noro 2995: ND_pairs l,l1;
1.24 noro 2996: ND h,nf,s,head,nf1;
2997: NDV nfv;
2998: Z q;
2999: union oNDC dn,hc;
3000: P cont;
3001: LIST list;
3002: SIG sig;
1.29 noro 3003: NODE *syzlist;
1.47 noro 3004: int ngen,ind;
1.41 noro 3005: int Nnominimal,Nredundant;
1.28 noro 3006: DL lcm,quo,mul;
1.49 noro 3007: struct oHPDATA final_hpdata,current_hpdata;
1.50 ! noro 3008: struct oEGT eg1,eg2,eg3,eg4,eg_update,eg_remove,eg_large,eg_nf,eg_nfzero;
! 3009: struct oEGT eg_minsig,eg_smallest,eg_removecont,eg_hpdata,eg_updatepairs,eg_sbabuch,eg_sp;
1.47 noro 3010: int Nnfs=0,Nnfz=0,Nnfnz=0,dlen,nsyz;
1.24 noro 3011:
1.27 noro 3012: init_eg(&eg_remove);
1.29 noro 3013: syzlist = (NODE *)MALLOC(nd_psn*sizeof(NODE));
1.47 noro 3014: d = (ND_pairs *)MALLOC(nd_psn*sizeof(ND_pairs));
3015: nd_nbase = nd_psn;
1.26 noro 3016: Nsyz = 0;
1.24 noro 3017: Nnd_add = 0;
1.41 noro 3018: Nnominimal = 0;
1.26 noro 3019: Nredundant = 0;
1.44 noro 3020: ngen = nd_psn;
1.48 noro 3021: if ( !do_weyl ) {
3022: for ( i = 0; i < nd_psn; i++ )
3023: for ( j = i+1; j < nd_psn; j++ ) {
3024: sig = trivial_sig(i,j);
3025: syzlist[sig->pos] = insert_sig(syzlist[sig->pos],sig);
3026: }
1.29 noro 3027: }
1.47 noro 3028: dlen = 0;
1.41 noro 3029: for ( i = 0; i < nd_psn; i++ ) {
1.47 noro 3030: dlen += update_pairs_array_s(d,i,syzlist);
1.41 noro 3031: }
1.24 noro 3032: sugar = 0;
1.39 noro 3033: pos = 0;
1.49 noro 3034: if ( nd_hpdata ) {
3035: setup_hpdata(&final_hpdata,¤t_hpdata);
3036: }
1.26 noro 3037: NEWDL(lcm,nd_nvar); NEWDL(quo,nd_nvar); NEWDL(mul,nd_nvar);
1.50 ! noro 3038: init_eg(&eg_sp);
1.26 noro 3039: init_eg(&eg_create);
3040: init_eg(&eg_merge);
1.47 noro 3041: init_eg(&eg_minsig);
3042: init_eg(&eg_smallest);
1.29 noro 3043: init_eg(&eg_large);
1.31 noro 3044: init_eg(&eg_nf);
3045: init_eg(&eg_nfzero);
1.50 ! noro 3046: init_eg(&eg_removecont);
! 3047: init_eg(&eg_updatepairs);
! 3048: init_eg(&eg_hpdata);
! 3049: init_eg(&eg_sbabuch);
! 3050: get_eg(&eg3);
1.47 noro 3051: while ( 1 ) {
3052: if ( DP_Print && dlen%100 == 0 ) fprintf(asir_out,"(%d)",dlen);
3053: again :
3054: get_eg(&eg1);
3055: ind = nd_minsig(d);
3056: get_eg(&eg2); add_eg(&eg_minsig,&eg1,&eg2);
3057: if ( ind < 0 ) break;
3058: l = d[ind];
3059: // printf("(%d,%d)",l->i1,l->i2); print_sig(l->sig); printf("\n");
3060: get_eg(&eg1);
1.41 noro 3061: l1 = find_smallest_lcm(l);
1.47 noro 3062: get_eg(&eg2); add_eg(&eg_smallest,&eg1,&eg2);
1.41 noro 3063: if ( l1 == 0 ) {
1.47 noro 3064: d[ind] = d[ind]->next; dlen--;
1.50 ! noro 3065: if ( DP_Print && !nd_hpdata ) fprintf(asir_out,"M");
1.41 noro 3066: Nnominimal++;
3067: continue;
3068: }
3069: if ( SG(l1) != sugar ) {
3070: sugar = SG(l1);
3071: if ( DP_Print ) fprintf(asir_out,"%d",sugar);
3072: }
3073: sig = l1->sig;
3074: if ( DP_Print && nd_sba_pot ) {
3075: if ( sig->pos != pos ) {
3076: fprintf(asir_out,"[%d]",sig->pos);
3077: pos = sig->pos;
3078: }
3079: }
1.50 ! noro 3080: get_eg(&eg1);
1.41 noro 3081: stat = nd_sp(m,0,l1,&h);
1.50 ! noro 3082: get_eg(&eg2); add_eg(&eg_sp,&eg1,&eg2);
1.24 noro 3083: if ( !stat ) {
1.47 noro 3084: nd_reconstruct_s(0,d);
1.24 noro 3085: goto again;
3086: }
1.31 noro 3087: get_eg(&eg1);
1.25 noro 3088: #if USE_GEOBUCKET
1.39 noro 3089: stat = m?nd_nf_pbucket_s(m,h,nd_ps,!nd_top&&!Top,&nf):nd_nf_s(m,0,h,nd_ps,!nd_top&&!Top,&nf);
1.24 noro 3090: #else
1.39 noro 3091: stat = nd_nf_s(m,0,h,nd_ps,!nd_top&&!Top,&nf);
1.24 noro 3092: #endif
1.31 noro 3093: get_eg(&eg2);
1.24 noro 3094: if ( !stat ) {
1.47 noro 3095: nd_reconstruct_s(0,d);
1.24 noro 3096: goto again;
3097: } else if ( stat == -1 ) {
1.47 noro 3098: d[ind] = d[ind]->next; dlen--;
1.41 noro 3099: Nnfs++;
1.24 noro 3100: if ( DP_Print ) { printf("S"); fflush(stdout); }
3101: } else if ( nf ) {
1.47 noro 3102: d[ind] = d[ind]->next; dlen--;
1.41 noro 3103: Nnfnz++;
3104: if ( DP_Print ) {
3105: if ( nd_sba_redundant_check ) {
3106: if ( ndl_find_reducer_nonsig(HDL(nf)) >= 0 ) {
3107: Nredundant++;
3108: printf("R");
3109: } else
3110: printf("+");
3111: } else
3112: printf("+");
3113: fflush(stdout);
3114: }
1.31 noro 3115: add_eg(&eg_nf,&eg1,&eg2);
1.24 noro 3116: hc = HCU(nf);
1.50 ! noro 3117: get_eg(&eg1);
1.24 noro 3118: nd_removecont(m,nf);
1.50 ! noro 3119: get_eg(&eg2); add_eg(&eg_removecont,&eg1,&eg2);
1.24 noro 3120: nfv = ndtondv(m,nf); nd_free(nf);
3121: nh = ndv_newps(m,nfv,0);
1.26 noro 3122:
1.50 ! noro 3123: get_eg(&eg1);
1.47 noro 3124: dlen += update_pairs_array_s(d,nh,syzlist);
1.50 ! noro 3125: get_eg(&eg2); add_eg(&eg_updatepairs,&eg1,&eg2);
1.29 noro 3126: nd_sba_pos[sig->pos] = append_one(nd_sba_pos[sig->pos],nh);
1.49 noro 3127: if ( nd_hpdata ) {
1.50 ! noro 3128: get_eg(&eg1);
1.49 noro 3129: update_hpdata(¤t_hpdata,nh,0);
1.50 ! noro 3130: get_eg(&eg2); add_eg(&eg_hpdata,&eg1,&eg2);
1.49 noro 3131: if ( !compp(CO,final_hpdata.hn,current_hpdata.hn) ) {
3132: if ( DP_Print ) { printf("\nWe found a gb.\n"); }
3133: break;
3134: }
3135: }
1.24 noro 3136: } else {
1.47 noro 3137: d[ind] = d[ind]->next; dlen--;
1.41 noro 3138: Nnfz++;
1.31 noro 3139: add_eg(&eg_nfzero,&eg1,&eg2);
1.24 noro 3140: // syzygy
1.27 noro 3141: get_eg(&eg1);
1.47 noro 3142: nsyz = Nsyz;
3143: d[sig->pos] = remove_spair_s(d[sig->pos],sig);
3144: dlen -= Nsyz-nsyz;
1.27 noro 3145: get_eg(&eg2); add_eg(&eg_remove,&eg1,&eg2);
1.29 noro 3146: syzlist[sig->pos] = insert_sig(syzlist[sig->pos],sig);
1.24 noro 3147: if ( DP_Print ) { printf("."); fflush(stdout); }
3148: }
3149: }
1.50 ! noro 3150: get_eg(&eg4); add_eg(&eg_sbabuch,&eg3,&eg4);
1.30 noro 3151: g = conv_ilist_s(nd_demand,0,indp);
1.26 noro 3152: if ( DP_Print ) {
1.47 noro 3153: printf("\ndlen=%d,nd_sba done. nd_add=%d,Nsyz=%d,Nsamesig=%d,Nnominimal=%d\n",dlen,Nnd_add,Nsyz,Nsamesig,Nnominimal);
1.41 noro 3154: printf("Nnfnz=%d,Nnfz=%d,Nnfsingular=%d\n",Nnfnz,Nnfz,Nnfs);
1.50 ! noro 3155: fflush(stdout);
1.41 noro 3156: if ( nd_sba_redundant_check )
3157: printf("Nredundant=%d\n",Nredundant);
1.50 ! noro 3158: fflush(stdout);
! 3159: print_eg("sp",&eg_sp);
1.26 noro 3160: print_eg("create",&eg_create);
3161: print_eg("merge",&eg_merge);
1.47 noro 3162: print_eg("minsig",&eg_minsig);
3163: print_eg("smallest",&eg_smallest);
3164: print_eg("remove",&eg_remove);
1.50 ! noro 3165: printf("\n");
1.47 noro 3166: print_eg("nf",&eg_nf);
3167: print_eg("nfzero",&eg_nfzero);
1.50 ! noro 3168: print_eg("removecont",&eg_removecont);
! 3169: print_eg("updatepairs",&eg_updatepairs);
! 3170: print_eg("hpdata",&eg_hpdata);
! 3171: print_eg("total",&eg_sbabuch);
1.47 noro 3172: printf("\n");
3173: }
3174: if ( nd_sba_syz ) {
1.27 noro 3175: print_eg("remove",&eg_remove);
1.31 noro 3176: print_eg("nf",&eg_nf);
3177: print_eg("nfzero",&eg_nfzero);
1.27 noro 3178: printf("\n");
1.26 noro 3179: }
1.44 noro 3180: if ( nd_sba_syz ) {
3181: NODE hsyz,tsyz,prev;
3182:
3183: hsyz = 0;
3184: for ( i = 0; i < ngen; i++ ) {
3185: tsyz = syzlist[i];
3186: for ( prev = 0; tsyz != 0; prev = tsyz, tsyz = NEXT(tsyz))
3187: BDY(tsyz) = (pointer)sigtodpm((SIG)BDY(tsyz));
3188: if ( prev != 0 ) {
3189: prev->next = hsyz; hsyz = syzlist[i];
3190: }
3191: }
3192: *syzp = hsyz;
3193: } else *syzp = 0;
1.24 noro 3194: return g;
3195: }
3196:
1.1 noro 3197: /* splist = [[i1,i2],...] */
3198:
3199: int check_splist(int m,NODE splist)
3200: {
3201: NODE t,p;
3202: ND_pairs d,r,l;
3203: int stat;
3204: ND h,nf;
3205:
3206: for ( d = 0, t = splist; t; t = NEXT(t) ) {
3207: p = BDY((LIST)BDY(t));
1.6 noro 3208: NEXTND_pairs(d,r);
3209: r->i1 = ZTOS((Q)ARG0(p)); r->i2 = ZTOS((Q)ARG1(p));
3210: ndl_lcm(DL(nd_psh[r->i1]),DL(nd_psh[r->i2]),r->lcm);
1.1 noro 3211: SG(r) = TD(LCM(r)); /* XXX */
3212: }
3213: if ( d ) NEXT(r) = 0;
3214:
1.6 noro 3215: while ( d ) {
1.1 noro 3216: again:
1.6 noro 3217: l = nd_minp(d,&d);
3218: stat = nd_sp(m,0,l,&h);
3219: if ( !stat ) {
3220: NEXT(l) = d; d = l;
3221: d = nd_reconstruct(0,d);
3222: goto again;
3223: }
1.39 noro 3224: stat = nd_nf(m,0,h,nd_ps,!nd_top&&!Top,&nf);
1.6 noro 3225: if ( !stat ) {
3226: NEXT(l) = d; d = l;
3227: d = nd_reconstruct(0,d);
3228: goto again;
3229: } else if ( nf ) return 0;
1.1 noro 3230: if ( DP_Print) { printf("."); fflush(stdout); }
1.6 noro 3231: }
1.1 noro 3232: if ( DP_Print) { printf("done.\n"); fflush(stdout); }
3233: return 1;
3234: }
3235:
3236: int check_splist_f4(int m,NODE splist)
3237: {
3238: UINT *s0vect;
1.6 noro 3239: PGeoBucket bucket;
1.1 noro 3240: NODE p,rp0,t;
3241: ND_pairs d,r,l,ll;
3242: int col,stat;
3243:
3244: for ( d = 0, t = splist; t; t = NEXT(t) ) {
3245: p = BDY((LIST)BDY(t));
1.6 noro 3246: NEXTND_pairs(d,r);
3247: r->i1 = ZTOS((Q)ARG0(p)); r->i2 = ZTOS((Q)ARG1(p));
3248: ndl_lcm(DL(nd_psh[r->i1]),DL(nd_psh[r->i2]),r->lcm);
1.1 noro 3249: SG(r) = TD(LCM(r)); /* XXX */
3250: }
3251: if ( d ) NEXT(r) = 0;
3252:
1.6 noro 3253: while ( d ) {
3254: l = nd_minsugarp(d,&d);
3255: bucket = create_pbucket();
3256: stat = nd_sp_f4(m,0,l,bucket);
3257: if ( !stat ) {
3258: for ( ll = l; NEXT(ll); ll = NEXT(ll) );
3259: NEXT(ll) = d; d = l;
3260: d = nd_reconstruct(0,d);
3261: continue;
3262: }
3263: if ( bucket->m < 0 ) continue;
3264: col = nd_symbolic_preproc(bucket,0,&s0vect,&rp0);
3265: if ( !col ) {
3266: for ( ll = l; NEXT(ll); ll = NEXT(ll) );
3267: NEXT(ll) = d; d = l;
3268: d = nd_reconstruct(0,d);
3269: continue;
1.1 noro 3270: }
1.6 noro 3271: if ( nd_f4_red(m,l,0,s0vect,col,rp0,0) ) return 0;
3272: }
3273: return 1;
1.1 noro 3274: }
3275:
3276: int do_diagonalize_trace(int sugar,int m)
3277: {
1.6 noro 3278: int i,nh,stat;
3279: NODE r,g,t;
3280: ND h,nf,nfq,s,head;
3281: NDV nfv,nfqv;
3282: Q q,den,num;
3283: union oNDC hc;
3284: NODE node;
3285: LIST l;
3286: Z iq;
3287: P cont,cont1;
1.1 noro 3288:
1.6 noro 3289: for ( i = nd_psn-1; i >= 0 && SG(nd_psh[i]) == sugar; i-- ) {
3290: if ( nd_gentrace ) {
3291: /* Trace = [1,index,1,1] */
3292: STOZ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
3293: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
3294: }
3295: /* for nd_ps */
3296: s = ndvtond(m,nd_ps[i]);
3297: s = nd_separate_head(s,&head);
3298: stat = nd_nf_pbucket(m,s,nd_ps,1,&nf);
3299: if ( !stat ) return 0;
3300: nf = nd_add(m,head,nf);
3301: ndv_free(nd_ps[i]);
3302: nd_ps[i] = ndtondv(m,nf);
3303: nd_free(nf);
3304:
3305: /* for nd_ps_trace */
3306: if ( nd_demand )
3307: nfv = ndv_load(i);
3308: else
3309: nfv = nd_ps_trace[i];
3310: s = ndvtond(0,nfv);
3311: s = nd_separate_head(s,&head);
3312: stat = nd_nf(0,head,s,nd_ps_trace,1,&nf);
3313: if ( !stat ) return 0;
3314: ndv_free(nfv);
3315: hc = HCU(nf); nd_removecont(0,nf);
3316: /* exact division */
1.1 noro 3317: cont = ndc_div(0,hc,HCU(nf));
1.6 noro 3318: if ( nd_gentrace ) finalize_tracelist(i,cont);
3319: nfv = ndtondv(0,nf);
3320: nd_free(nf);
3321: nd_bound[i] = ndv_compute_bound(nfv);
3322: register_hcf(nfv);
3323: if ( nd_demand ) {
3324: ndv_save(nfv,i);
3325: ndv_free(nfv);
3326: } else
3327: nd_ps_trace[i] = nfv;
3328: }
3329: return 1;
1.1 noro 3330: }
3331:
3332: static struct oEGT eg_invdalg;
3333: struct oEGT eg_le;
3334:
3335: void nd_subst_vector(VL vl,P p,NODE subst,P *r)
3336: {
3337: NODE tn;
3338: P p1;
3339:
3340: for ( tn = subst; tn; tn = NEXT(NEXT(tn)) ) {
3341: substp(vl,p,BDY(tn),BDY(NEXT(tn)),&p1); p = p1;
3342: }
3343: *r = p;
3344: }
3345:
3346: NODE nd_gb_trace(int m,int ishomo,int **indp)
3347: {
1.6 noro 3348: int i,nh,sugar,stat;
3349: NODE r,g,t;
3350: ND_pairs d;
3351: ND_pairs l;
3352: ND h,nf,nfq,s,head;
3353: NDV nfv,nfqv;
3354: Z q,den,num;
3355: P hc;
3356: union oNDC dn,hnfq;
3357: struct oEGT eg_monic,egm0,egm1;
3358: int diag_count = 0;
3359: P cont;
3360: LIST list;
1.49 noro 3361: struct oHPDATA current_hpdata,final_hpdata;
3362: int final_hpvalue;
1.6 noro 3363:
3364: init_eg(&eg_monic);
3365: init_eg(&eg_invdalg);
3366: init_eg(&eg_le);
3367: g = 0; d = 0;
3368: for ( i = 0; i < nd_psn; i++ ) {
3369: d = update_pairs(d,g,i,0);
3370: g = update_base(g,i);
3371: }
3372: sugar = 0;
1.49 noro 3373: if ( nd_hpdata ) {
3374: setup_hpdata(&final_hpdata,¤t_hpdata);
3375: }
3376:
1.6 noro 3377: while ( d ) {
1.1 noro 3378: again:
1.6 noro 3379: l = nd_minp(d,&d);
3380: if ( MaxDeg > 0 && SG(l) > MaxDeg ) break;
3381: if ( SG(l) != sugar ) {
1.1 noro 3382: #if 1
1.6 noro 3383: if ( ishomo ) {
3384: if ( DP_Print > 2 ) fprintf(asir_out,"|");
3385: stat = do_diagonalize_trace(sugar,m);
3386: if ( DP_Print > 2 ) fprintf(asir_out,"|");
3387: diag_count = 0;
1.1 noro 3388: if ( !stat ) {
1.6 noro 3389: NEXT(l) = d; d = l;
3390: d = nd_reconstruct(1,d);
3391: goto again;
1.1 noro 3392: }
1.6 noro 3393: }
3394: #endif
3395: sugar = SG(l);
3396: if ( DP_Print ) fprintf(asir_out,"%d",sugar);
1.49 noro 3397: if ( nd_hpdata ) {
3398: if ( !compp(CO,final_hpdata.hn,current_hpdata.hn) )
3399: break;
3400: else {
3401: final_hpvalue = hpvalue(&final_hpdata,sugar);
3402: if ( final_hpvalue == hpvalue(¤t_hpdata,sugar) ) {
3403: if ( DP_Print ) fprintf(asir_out,"sugar=%d done.\n",sugar);
3404: d = nd_remove_same_sugar(d,sugar);
3405: continue;
3406: }
3407: }
3408: }
1.6 noro 3409: }
3410: stat = nd_sp(m,0,l,&h);
3411: if ( !stat ) {
3412: NEXT(l) = d; d = l;
3413: d = nd_reconstruct(1,d);
3414: goto again;
3415: }
1.1 noro 3416: #if USE_GEOBUCKET
1.39 noro 3417: stat = nd_nf_pbucket(m,h,nd_ps,!nd_top&&!Top,&nf);
1.1 noro 3418: #else
1.39 noro 3419: stat = nd_nf(m,0,h,nd_ps,!nd_top&&!Top,&nf);
1.1 noro 3420: #endif
1.6 noro 3421: if ( !stat ) {
3422: NEXT(l) = d; d = l;
3423: d = nd_reconstruct(1,d);
3424: goto again;
3425: } else if ( nf ) {
3426: if ( nd_demand ) {
3427: nfqv = ndv_load(nd_psn);
3428: nfq = ndvtond(0,nfqv);
3429: } else
3430: nfq = 0;
3431: if ( !nfq ) {
1.39 noro 3432: if ( !nd_sp(0,1,l,&h) || !nd_nf(0,0,h,nd_ps_trace,!nd_top&&!Top,&nfq) ) {
1.6 noro 3433: NEXT(l) = d; d = l;
3434: d = nd_reconstruct(1,d);
3435: goto again;
3436: }
3437: }
3438: if ( nfq ) {
3439: /* m|HC(nfq) => failure */
3440: if ( nd_vc ) {
3441: nd_subst_vector(nd_vc,HCP(nfq),nd_subst,&hc); q = (Z)hc;
3442: } else
3443: q = HCZ(nfq);
3444: if ( !remqi((Q)q,m) ) return 0;
3445:
3446: if ( DP_Print ) { printf("+"); fflush(stdout); }
3447: hnfq = HCU(nfq);
3448: if ( nd_nalg ) {
3449: /* m|DN(HC(nf)^(-1)) => failure */
3450: get_eg(&egm0);
3451: if ( !nd_monic(m,&nfq) ) return 0;
3452: get_eg(&egm1); add_eg(&eg_monic,&egm0,&egm1);
3453: nd_removecont(0,nfq); nfqv = ndtondv(0,nfq); nd_free(nfq);
3454: nfv = ndv_dup(0,nfqv); ndv_mod(m,nfv); nd_free(nf);
3455: } else {
3456: nd_removecont(0,nfq); nfqv = ndtondv(0,nfq); nd_free(nfq);
3457: nd_removecont(m,nf); nfv = ndtondv(m,nf); nd_free(nf);
3458: }
3459: if ( nd_gentrace ) {
3460: /* exact division */
3461: cont = ndc_div(0,hnfq,HCU(nfqv));
3462: if ( !UNIQ(cont) ) {
3463: t = mknode(4,NULLP,NULLP,NULLP,cont);
3464: MKLIST(list,t); MKNODE(t,list,nd_tracelist);
3465: nd_tracelist = t;
3466: }
3467: }
1.24 noro 3468: nh = ndv_newps(0,nfv,nfqv);
1.6 noro 3469: if ( ishomo && ++diag_count == diag_period ) {
3470: diag_count = 0;
3471: if ( DP_Print > 2 ) fprintf(asir_out,"|");
3472: stat = do_diagonalize_trace(sugar,m);
3473: if ( DP_Print > 2 ) fprintf(asir_out,"|");
3474: if ( !stat ) {
1.1 noro 3475: NEXT(l) = d; d = l;
3476: d = nd_reconstruct(1,d);
3477: goto again;
1.6 noro 3478: }
1.1 noro 3479: }
1.6 noro 3480: d = update_pairs(d,g,nh,0);
3481: g = update_base(g,nh);
1.49 noro 3482: if ( nd_hpdata ) {
3483: update_hpdata(¤t_hpdata,nh,1);
3484: if ( final_hpvalue == hpvalue(¤t_hpdata,sugar) ) {
3485: if ( DP_Print ) fprintf(asir_out,"sugar=%d done.\n",sugar);
3486: d = nd_remove_same_sugar(d,sugar);
3487: }
3488: }
1.6 noro 3489: } else {
3490: if ( DP_Print ) { printf("*"); fflush(stdout); }
3491: }
3492: } else {
3493: if ( DP_Print ) { printf("."); fflush(stdout); }
1.1 noro 3494: }
1.6 noro 3495: FREENDP(l);
3496: }
3497: if ( nd_nalg ) {
3498: if ( DP_Print ) {
3499: print_eg("monic",&eg_monic);
3500: print_eg("invdalg",&eg_invdalg);
3501: print_eg("le",&eg_le);
1.1 noro 3502: }
1.6 noro 3503: }
1.1 noro 3504: conv_ilist(nd_demand,1,g,indp);
1.41 noro 3505: if ( DP_Print ) { printf("\nnd_gb_trace done.\n"); fflush(stdout); }
1.6 noro 3506: return g;
1.1 noro 3507: }
3508:
3509: int ndv_compare(NDV *p1,NDV *p2)
3510: {
3511: return DL_COMPARE(HDL(*p1),HDL(*p2));
3512: }
3513:
3514: int ndv_compare_rev(NDV *p1,NDV *p2)
3515: {
3516: return -DL_COMPARE(HDL(*p1),HDL(*p2));
3517: }
3518:
3519: int ndvi_compare(NDVI p1,NDVI p2)
3520: {
3521: return DL_COMPARE(HDL(p1->p),HDL(p2->p));
3522: }
3523:
3524: int ndvi_compare_rev(NDVI p1,NDVI p2)
3525: {
3526: return -DL_COMPARE(HDL(p1->p),HDL(p2->p));
3527: }
3528:
3529: NODE ndv_reduceall(int m,NODE f)
3530: {
3531: int i,j,n,stat;
3532: ND nf,g,head;
3533: NODE t,a0,a;
3534: union oNDC dn;
3535: Q q,num,den;
3536: NODE node;
3537: LIST l;
3538: Z iq,jq;
3539: int *perm;
3540: union oNDC hc;
3541: P cont,cont1;
3542:
3543: if ( nd_nora ) return f;
3544: n = length(f);
1.24 noro 3545: ndv_setup(m,0,f,0,1,0);
1.1 noro 3546: perm = (int *)MALLOC(n*sizeof(int));
3547: if ( nd_gentrace ) {
3548: for ( t = nd_tracelist, i = 0; i < n; i++, t = NEXT(t) )
1.6 noro 3549: perm[i] = ZTOS((Q)ARG1(BDY((LIST)BDY(t))));
1.1 noro 3550: }
3551: for ( i = 0; i < n; ) {
3552: if ( nd_gentrace ) {
3553: /* Trace = [1,index,1,1] */
1.6 noro 3554: STOZ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
1.1 noro 3555: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
3556: }
3557: g = ndvtond(m,nd_ps[i]);
3558: g = nd_separate_head(g,&head);
1.6 noro 3559: stat = nd_nf(m,head,g,nd_ps,1,&nf);
1.1 noro 3560: if ( !stat )
3561: nd_reconstruct(0,0);
3562: else {
3563: if ( DP_Print ) { printf("."); fflush(stdout); }
3564: ndv_free(nd_ps[i]);
3565: hc = HCU(nf); nd_removecont(m,nf);
3566: if ( nd_gentrace ) {
3567: for ( t = nd_tracelist; t; t = NEXT(t) ) {
1.6 noro 3568: jq = ARG1(BDY((LIST)BDY(t))); j = ZTOS(jq);
3569: STOZ(perm[j],jq); ARG1(BDY((LIST)BDY(t))) = jq;
1.1 noro 3570: }
1.6 noro 3571: /* exact division */
1.1 noro 3572: cont = ndc_div(m,hc,HCU(nf));
3573: finalize_tracelist(perm[i],cont);
3574: }
3575: nd_ps[i] = ndtondv(m,nf); nd_free(nf);
3576: nd_bound[i] = ndv_compute_bound(nd_ps[i]);
3577: i++;
3578: }
3579: }
3580: if ( DP_Print ) { printf("\n"); }
3581: for ( a0 = 0, i = 0; i < n; i++ ) {
3582: NEXTNODE(a0,a);
3583: if ( !nd_gentrace ) BDY(a) = (pointer)nd_ps[i];
3584: else {
3585: for ( j = 0; j < n; j++ ) if ( perm[j] == i ) break;
3586: BDY(a) = (pointer)nd_ps[j];
3587: }
3588: }
3589: NEXT(a) = 0;
3590: return a0;
3591: }
3592:
1.41 noro 3593: int ndplength(ND_pairs d)
3594: {
3595: int i;
3596: for ( i = 0; d; i++ ) d = NEXT(d);
3597: return i;
3598: }
3599:
1.1 noro 3600: ND_pairs update_pairs( ND_pairs d, NODE /* of index */ g, int t, int gensyz)
3601: {
3602: ND_pairs d1,nd,cur,head,prev,remove;
1.41 noro 3603: int len0;
1.1 noro 3604:
3605: if ( !g ) return d;
3606: /* for testing */
3607: if ( gensyz && nd_gensyz == 2 ) {
3608: d1 = nd_newpairs(g,t);
3609: if ( !d )
3610: return d1;
3611: else {
3612: nd = d;
3613: while ( NEXT(nd) ) nd = NEXT(nd);
3614: NEXT(nd) = d1;
3615: return d;
3616: }
3617: }
3618: d = crit_B(d,t);
3619: d1 = nd_newpairs(g,t);
1.41 noro 3620: len0 = ndplength(d1);
1.1 noro 3621: d1 = crit_M(d1);
3622: d1 = crit_F(d1);
1.41 noro 3623: NcriMF += len0-ndplength(d1);
1.1 noro 3624: if ( gensyz || do_weyl )
3625: head = d1;
3626: else {
3627: prev = 0; cur = head = d1;
3628: while ( cur ) {
3629: if ( crit_2( cur->i1,cur->i2 ) ) {
3630: remove = cur;
3631: if ( !prev ) head = cur = NEXT(cur);
3632: else cur = NEXT(prev) = NEXT(cur);
1.41 noro 3633: FREENDP(remove); Ncri2++;
1.1 noro 3634: } else {
3635: prev = cur; cur = NEXT(cur);
3636: }
3637: }
3638: }
3639: if ( !d )
3640: return head;
3641: else {
3642: nd = d;
3643: while ( NEXT(nd) ) nd = NEXT(nd);
3644: NEXT(nd) = head;
3645: return d;
3646: }
3647: }
3648:
1.24 noro 3649: ND_pairs merge_pairs_s(ND_pairs d,ND_pairs d1);
3650:
1.30 noro 3651: ND_pairs update_pairs_s( ND_pairs d, int t,NODE *syz)
1.24 noro 3652: {
3653: ND_pairs d1;
1.26 noro 3654: struct oEGT eg1,eg2,eg3;
1.24 noro 3655:
1.30 noro 3656: if ( !t ) return d;
1.26 noro 3657: get_eg(&eg1);
1.30 noro 3658: d1 = nd_newpairs_s(t,syz);
1.26 noro 3659: get_eg(&eg2); add_eg(&eg_create,&eg1,&eg2);
1.24 noro 3660: d = merge_pairs_s(d,d1);
1.26 noro 3661: get_eg(&eg3); add_eg(&eg_merge,&eg2,&eg3);
1.24 noro 3662: return d;
3663: }
1.1 noro 3664:
1.47 noro 3665: int update_pairs_array_s( ND_pairs *d, int t,NODE *syz)
3666: {
3667: ND_pairs *d1;
3668: struct oEGT eg1,eg2,eg3;
3669: int i;
3670:
3671: if ( !t ) return 0;
3672: get_eg(&eg1);
3673: Nnewpair = 0;
3674: d1 = nd_newpairs_array_s(t,syz);
3675: get_eg(&eg2); add_eg(&eg_create,&eg1,&eg2);
3676: for ( i = 0; i < nd_nbase; i++ )
3677: d[i] = merge_pairs_s(d[i],d1[i]);
3678: get_eg(&eg3); add_eg(&eg_merge,&eg2,&eg3);
3679: return Nnewpair;
3680: }
3681:
1.1 noro 3682: ND_pairs nd_newpairs( NODE g, int t )
3683: {
3684: NODE h;
3685: UINT *dl;
3686: int ts,s,i,t0,min,max;
3687: ND_pairs r,r0;
3688:
3689: dl = DL(nd_psh[t]);
3690: ts = SG(nd_psh[t]) - TD(dl);
1.17 noro 3691: if ( nd_module && nd_intersect && (MPOS(dl) > nd_intersect) ) return 0;
1.1 noro 3692: for ( r0 = 0, h = g; h; h = NEXT(h) ) {
3693: if ( nd_module && (MPOS(DL(nd_psh[(long)BDY(h)])) != MPOS(dl)) )
3694: continue;
3695: if ( nd_gbblock ) {
3696: t0 = (long)BDY(h);
3697: for ( i = 0; nd_gbblock[i] >= 0; i += 2 ) {
3698: min = nd_gbblock[i]; max = nd_gbblock[i+1];
3699: if ( t0 >= min && t0 <= max && t >= min && t <= max )
3700: break;
3701: }
3702: if ( nd_gbblock[i] >= 0 )
3703: continue;
3704: }
1.41 noro 3705: NEXTND_pairs(r0,r); Npairs++;
1.1 noro 3706: r->i1 = (long)BDY(h);
3707: r->i2 = t;
3708: ndl_lcm(DL(nd_psh[r->i1]),dl,r->lcm);
3709: s = SG(nd_psh[r->i1])-TD(DL(nd_psh[r->i1]));
3710: SG(r) = MAX(s,ts) + TD(LCM(r));
3711: /* experimental */
3712: if ( nd_sugarweight )
3713: r->sugar2 = ndl_weight2(r->lcm);
3714: }
3715: if ( r0 ) NEXT(r) = 0;
3716: return r0;
3717: }
3718:
1.46 noro 3719: int sig_cmpdl_op(int n,DL d1,DL d2)
3720: {
3721: int e1,e2,i,j,l;
3722: int *t1,*t2;
3723: int len,head;
3724: struct order_pair *pair;
3725:
3726: len = nd_sba_modord->block_length;
3727: pair = nd_sba_modord->order_pair;
3728:
3729: head = 0;
3730: for ( i = 0, t1 = d1->d, t2 = d2->d; i < len; i++ ) {
3731: l = pair[i].length;
3732: switch ( pair[i].order ) {
3733: case 0:
3734: for ( j = 0, e1 = e2 = 0; j < l; j++ ) {
3735: e1 += t1[j];
3736: e2 += t2[j];
3737: }
3738: if ( e1 > e2 )
3739: return 1;
3740: else if ( e1 < e2 )
3741: return -1;
3742: else {
3743: for ( j = l - 1; j >= 0 && t1[j] == t2[j]; j-- );
3744: if ( j >= 0 )
3745: return t1[j] < t2[j] ? 1 : -1;
3746: }
3747: break;
3748: case 1:
3749: for ( j = 0, e1 = e2 = 0; j < l; j++ ) {
3750: e1 += t1[j];
3751: e2 += t2[j];
3752: }
3753: if ( e1 > e2 )
3754: return 1;
3755: else if ( e1 < e2 )
3756: return -1;
3757: else {
3758: for ( j = 0; j < l && t1[j] == t2[j]; j++ );
3759: if ( j < l )
3760: return t1[j] > t2[j] ? 1 : -1;
3761: }
3762: break;
3763: case 2:
3764: for ( j = 0; j < l && t1[j] == t2[j]; j++ );
3765: if ( j < l )
3766: return t1[j] > t2[j] ? 1 : -1;
3767: break;
3768: default:
3769: error("sig_cmpdl_op : invalid order"); break;
3770: }
3771: t1 += l; t2 += l; head += l;
3772: }
3773: return 0;
3774: }
3775:
3776: int sig_cmpdl_mat(int n,DL d1,DL d2)
3777: {
3778: int *v,*t1,*t2;
3779: int s,i,j,len;
3780: int **matrix;
3781: static int *w;
3782: static int nvar = 0;
3783:
3784: if ( nvar != n ) {
3785: nvar = n; w = (int *)MALLOC(n*sizeof(int));
3786: }
3787: for ( i = 0, t1 = d1->d, t2 = d2->d; i < n; i++ )
3788: w[i] = t1[i]-t2[i];
3789: len = nd_sba_modord->row;
3790: matrix = nd_sba_modord->matrix;
3791: for ( j = 0; j < len; j++ ) {
3792: v = matrix[j];
3793: for ( i = 0, s = 0; i < n; i++ )
3794: s += v[i]*w[i];
3795: if ( s > 0 )
3796: return 1;
3797: else if ( s < 0 )
3798: return -1;
3799: }
3800: return 0;
3801: }
3802:
3803: struct comp_sig_spec *create_comp_sig_spec(VL current_vl,VL old_vl,Obj ord,Obj weight)
3804: {
3805: struct comp_sig_spec *spec;
3806: VL ovl,vl;
3807: V ov;
3808: int i,j,n,nvar,s;
3809: NODE node,t,tn;
3810: struct order_pair *l;
3811: MAT m;
3812: Obj **b;
3813: int **w;
3814: int *a;
3815:
3816: spec = (struct comp_sig_spec *)MALLOC(sizeof(struct comp_sig_spec));
3817: for ( i = 0, vl = current_vl; vl; vl = NEXT(vl), i++ );
3818: spec->n = nvar = i;
3819: if ( old_vl != 0 ) {
3820: spec->oldv = (int *)MALLOC(nvar*sizeof(int));
3821: for ( i = 0, ovl = old_vl; i < nvar; ovl = NEXT(ovl), i++ ) {
3822: ov = ovl->v;
3823: for ( j = 0, vl = current_vl; vl; vl = NEXT(vl), j++ )
3824: if ( ov == vl->v ) break;
3825: spec->oldv[i] = j;
3826: }
3827: } else
3828: spec->oldv = 0;
3829: if ( !ord || NUM(ord) ) {
3830: switch ( ZTOS((Z)ord) ) {
3831: case 0:
3832: spec->cmpdl = cmpdl_revgradlex; break;
3833: case 1:
3834: spec->cmpdl = cmpdl_gradlex; break;
3835: case 2:
3836: spec->cmpdl = cmpdl_lex; break;
3837: default:
3838: error("create_comp_sig_spec : invalid spec"); break;
3839: }
3840: } else if ( OID(ord) == O_LIST ) {
3841: node = BDY((LIST)ord);
3842: for ( n = 0, t = node; t; t = NEXT(t), n++ );
3843: l = (struct order_pair *)MALLOC_ATOMIC(n*sizeof(struct order_pair));
3844: for ( i = 0, t = node, s = 0; i < n; t = NEXT(t), i++ ) {
3845: tn = BDY((LIST)BDY(t)); l[i].order = ZTOS((Q)BDY(tn));
3846: tn = NEXT(tn); l[i].length = ZTOS((Q)BDY(tn));
3847: s += l[i].length;
3848: }
3849: if ( s != nvar )
3850: error("create_comp_sig_spec : invalid spec");
3851: spec->order_pair = l;
3852: spec->block_length = n;
3853: spec->cmpdl = sig_cmpdl_op;
3854: } else if ( OID(ord) == O_MAT ) {
3855: m = (MAT)ord; b = (Obj **)BDY(m);
3856: if ( m->col != nvar )
3857: error("create_comp_sig_spec : invalid spec");
3858: w = almat(m->row,m->col);
3859: for ( i = 0; i < m->row; i++ )
3860: for ( j = 0; j < m->col; j++ )
3861: w[i][j] = ZTOS((Q)b[i][j]);
3862: spec->row = m->row;
3863: spec->matrix = w;
3864: spec->cmpdl = sig_cmpdl_mat;
3865: } else
3866: error("create_comp_sig_spec : invalid spec");
3867: if ( weight != 0 ) {
3868: node = BDY((LIST)weight);
3869: a = (int *)MALLOC(nvar*sizeof(int));
3870: for ( i = 0; i < nvar; i++, node = NEXT(node) )
3871: a[i] = ZTOS((Z)BDY(node));
3872: spec->weight = a;
3873: }
3874: return spec;
3875: }
3876:
3877: #define SIG_MUL_WEIGHT(a,i) (weight?(a)*weight[i]:(a))
3878:
3879: int comp_sig_monomial(int n,DL d1,DL d2)
3880: {
3881: static DL m1,m2;
3882: static int nvar = 0;
3883: int *oldv,*weight;
3884: int i,w1,w2;
3885:
3886: if ( nvar != n ) {
3887: nvar = n; NEWDL(m1,nvar); NEWDL(m2,nvar);
3888: }
3889: if ( !nd_sba_modord )
3890: return (*cmpdl)(n,d1,d2);
3891: else {
3892: weight = nd_sba_modord->weight;
3893: oldv = nd_sba_modord->oldv;
3894: if ( oldv ) {
3895: for ( i = 0; i < n; i++ ) {
3896: m1->d[i] = d1->d[oldv[i]]; m2->d[i] = d2->d[oldv[i]];
3897: }
3898: } else {
3899: for ( i = 0; i < n; i++ ) {
3900: m1->d[i] = d1->d[i]; m2->d[i] = d2->d[i];
3901: }
3902: }
3903: for ( i = 0, w1 = w2 = 0; i < n; i++ ) {
3904: w1 += SIG_MUL_WEIGHT(m1->d[i],i);
3905: w2 += SIG_MUL_WEIGHT(m2->d[i],i);
3906: }
3907: m1->td = w1; m2->td = w2;
3908: return (*nd_sba_modord->cmpdl)(n,m1,m2);
3909: }
3910: }
3911:
1.24 noro 3912: int comp_sig(SIG s1,SIG s2)
3913: {
1.38 noro 3914: if ( nd_sba_pot ) {
3915: if ( s1->pos > s2->pos ) return 1;
3916: else if ( s1->pos < s2->pos ) return -1;
1.46 noro 3917: else return comp_sig_monomial(nd_nvar,s1->dl,s2->dl);
1.38 noro 3918: } else {
3919: static DL m1,m2;
1.44 noro 3920: static int nvar = 0;
1.38 noro 3921: int ret;
3922:
3923: if ( nvar != nd_nvar ) {
3924: nvar = nd_nvar; NEWDL(m1,nvar); NEWDL(m2,nvar);
3925: }
3926: _adddl(nd_nvar,s1->dl,nd_sba_hm[s1->pos],m1);
3927: _adddl(nd_nvar,s2->dl,nd_sba_hm[s2->pos],m2);
1.47 noro 3928: if ( !nd_sba_modord )
3929: ret = (*cmpdl)(nd_nvar,m1,m2);
3930: else
3931: ret = comp_sig_monomial(nd_nvar,m1,m2);
1.38 noro 3932: if ( ret != 0 ) return ret;
3933: else if ( s1->pos > s2->pos ) return 1;
3934: else if ( s1->pos < s2->pos ) return -1;
3935: else return 0;
1.24 noro 3936: }
3937: }
3938:
3939: int _create_spair_s(int i1,int i2,ND_pairs sp,SIG sig1,SIG sig2)
3940: {
3941: int ret,s1,s2;
3942: RHist p1,p2;
3943: static int wpd;
3944: static UINT *lcm;
3945:
3946: sp->i1 = i1;
3947: sp->i2 = i2;
3948: p1 = nd_psh[i1];
3949: p2 = nd_psh[i2];
3950: ndl_lcm(DL(p1),DL(p2),sp->lcm);
1.49 noro 3951: #if 0
1.24 noro 3952: s1 = SG(p1)-TD(DL(p1));
3953: s2 = SG(p2)-TD(DL(p2));
3954: SG(sp) = MAX(s1,s2) + TD(sp->lcm);
1.49 noro 3955: #endif
1.24 noro 3956:
1.26 noro 3957: if ( wpd != nd_wpd ) {
1.24 noro 3958: wpd = nd_wpd;
3959: lcm = (UINT *)MALLOC(wpd*sizeof(UINT));
3960: }
3961: // DL(sig1) <- sp->lcm
3962: // DL(sig1) -= DL(p1)
3963: // DL(sig1) += DL(p1->sig)
1.27 noro 3964: ndl_sub(sp->lcm,DL(p1),lcm);
1.24 noro 3965: _ndltodl(lcm,DL(sig1));
3966: _addtodl(nd_nvar,DL(p1->sig),DL(sig1));
3967: sig1->pos = p1->sig->pos;
3968:
3969: // DL(sig2) <- sp->lcm
3970: // DL(sig2) -= DL(p2)
3971: // DL(sig2) += DL(p2->sig)
1.27 noro 3972: ndl_sub(sp->lcm,DL(p2),lcm);
1.24 noro 3973: _ndltodl(lcm,DL(sig2));
3974: _addtodl(nd_nvar,DL(p2->sig),DL(sig2));
3975: sig2->pos = p2->sig->pos;
3976:
3977: ret = comp_sig(sig1,sig2);
3978: if ( ret == 0 ) return 0;
3979: else if ( ret > 0 ) sp->sig = sig1;
3980: else sp->sig = sig2;
1.49 noro 3981:
3982: s1 = DL(sig1)->td+nd_sba_hm[p1->sig->pos]->td;
3983: s2 = DL(sig2)->td+nd_sba_hm[p2->sig->pos]->td;
3984: SG(sp) = MAX(s1,s2);
3985:
1.24 noro 3986: return 1;
3987: }
3988:
3989: SIG dup_sig(SIG sig)
3990: {
3991: SIG r;
3992:
3993: if ( !sig ) return 0;
3994: else {
3995: NEWSIG(r);
3996: _copydl(nd_nvar,DL(sig),DL(r));
3997: r->pos = sig->pos;
3998: return r;
3999: }
4000: }
4001:
4002: void dup_ND_pairs(ND_pairs to,ND_pairs from)
4003: {
4004: to->i1 = from->i1;
4005: to->i2 = from->i2;
4006: to->sugar = from->sugar;
4007: to->sugar2 = from->sugar2;
4008: ndl_copy(from->lcm,to->lcm);
4009: to->sig = dup_sig(from->sig);
4010: }
4011:
4012: ND_pairs merge_pairs_s(ND_pairs p1,ND_pairs p2)
4013: {
4014: struct oND_pairs root;
4015: ND_pairs q1,q2,r0,r;
4016: int ret;
4017:
4018: r = &root;
4019: for ( q1 = p1, q2 = p2; q1 != 0 && q2 != 0; ) {
4020: ret = comp_sig(q1->sig,q2->sig);
4021: if ( ret < 0 ) {
4022: r->next = q1; r = q1; q1 = q1->next;
4023: } else if ( ret > 0 ) {
4024: r->next = q2; r = q2; q2 = q2->next;
4025: } else {
1.47 noro 4026: Nnewpair--;
1.24 noro 4027: ret = DL_COMPARE(q1->lcm,q2->lcm);
1.35 noro 4028: Nsamesig++;
1.24 noro 4029: if ( ret < 0 ) {
4030: r->next = q1; r = q1; q1 = q1->next;
4031: q2 = q2->next;
4032: } else {
4033: r->next = q2; r = q2; q2 = q2->next;
4034: q1 = q1->next;
4035: }
4036: }
4037: }
4038: if ( q1 ) {
4039: r->next = q1;
4040: } else {
4041: r->next = q2;
4042: }
4043: return root.next;
4044: }
4045:
4046: ND_pairs insert_pair_s(ND_pairs l,ND_pairs s)
4047: {
4048: ND_pairs p,prev;
1.47 noro 4049: int ret=1;
1.24 noro 4050:
4051: for ( p = l, prev = 0; p != 0; prev = p, p = p->next ) {
4052: if ( (ret = comp_sig(s->sig,p->sig)) <= 0 )
4053: break;
4054: }
4055: if ( ret == 0 ) {
4056: ret = DL_COMPARE(s->lcm,p->lcm);
4057: if ( ret < 0 ) {
4058: // replace p with s
4059: s->next = p->next;
4060: if ( prev == 0 ) {
4061: return s;
4062: } else {
4063: prev->next = s;
4064: return l;
4065: }
4066: } else
4067: return l;
4068: } else {
4069: // insert s between prev and p
1.47 noro 4070: Nnewpair++;
1.24 noro 4071: s->next = p;
4072: if ( prev == 0 ) {
4073: return s;
4074: } else {
4075: prev->next = s;
4076: return l;
4077: }
4078: }
4079: }
4080:
1.29 noro 4081: INLINE int __dl_redble(DL d1,DL d2,int nvar)
4082: {
4083: int i;
4084:
4085: if ( d1->td > d2->td )
4086: return 0;
4087: for ( i = nvar-1; i >= 0; i-- )
4088: if ( d1->d[i] > d2->d[i] )
4089: break;
4090: if ( i >= 0 )
4091: return 0;
4092: else
4093: return 1;
4094: }
4095:
1.30 noro 4096: ND_pairs nd_newpairs_s(int t, NODE *syz)
1.24 noro 4097: {
4098: NODE h,s;
4099: UINT *dl;
1.27 noro 4100: int ts,ret,i;
1.24 noro 4101: ND_pairs r,r0,_sp,sp;
1.29 noro 4102: SIG spsig,tsig;
1.44 noro 4103: static int nvar = 0;
1.29 noro 4104: static SIG _sig1,_sig2;
1.26 noro 4105: struct oEGT eg1,eg2,eg3,eg4;
1.24 noro 4106:
4107: NEWND_pairs(_sp);
1.29 noro 4108: if ( !_sig1 || nvar != nd_nvar ) {
4109: nvar = nd_nvar; NEWSIG(_sig1); NEWSIG(_sig2);
4110: }
1.24 noro 4111: r0 = 0;
1.27 noro 4112: for ( i = 0; i < t; i++ ) {
4113: ret = _create_spair_s(i,t,_sp,_sig1,_sig2);
1.24 noro 4114: if ( ret ) {
4115: spsig = _sp->sig;
1.29 noro 4116: for ( s = syz[spsig->pos]; s; s = s->next ) {
1.24 noro 4117: tsig = (SIG)s->body;
1.29 noro 4118: if ( _dl_redble(DL(tsig),DL(spsig),nd_nvar) )
1.24 noro 4119: break;
4120: }
4121: if ( s == 0 ) {
4122: NEWND_pairs(sp);
4123: dup_ND_pairs(sp,_sp);
4124: r0 = insert_pair_s(r0,sp);
1.26 noro 4125: } else
4126: Nsyz++;
1.24 noro 4127: }
4128: }
4129: return r0;
4130: }
4131:
1.47 noro 4132: ND_pairs *nd_newpairs_array_s(int t, NODE *syz)
4133: {
4134: NODE h,s;
4135: UINT *dl;
4136: int ts,ret,i;
4137: ND_pairs r,r0,_sp,sp;
4138: ND_pairs *d;
4139: SIG spsig,tsig;
4140: static int nvar = 0;
4141: static SIG _sig1,_sig2;
4142: struct oEGT eg1,eg2,eg3,eg4;
4143:
4144: NEWND_pairs(_sp);
4145: if ( !_sig1 || nvar != nd_nvar ) {
4146: nvar = nd_nvar; NEWSIG(_sig1); NEWSIG(_sig2);
4147: }
4148: d = (ND_pairs *)MALLOC(nd_nbase*sizeof(ND_pairs));
4149: Nnewpair = 0;
4150: for ( i = 0; i < t; i++ ) {
4151: ret = _create_spair_s(i,t,_sp,_sig1,_sig2);
4152: if ( ret ) {
4153: spsig = _sp->sig;
4154: for ( s = syz[spsig->pos]; s; s = s->next ) {
4155: tsig = (SIG)s->body;
4156: if ( _dl_redble(DL(tsig),DL(spsig),nd_nvar) )
4157: break;
4158: }
4159: if ( s == 0 ) {
4160: NEWND_pairs(sp);
4161: dup_ND_pairs(sp,_sp);
4162: d[spsig->pos] = insert_pair_s(d[spsig->pos],sp);
4163: } else
4164: Nsyz++;
4165: }
4166: }
4167: return d;
4168: }
4169:
1.1 noro 4170: /* ipair = [i1,i2],[i1,i2],... */
4171: ND_pairs nd_ipairtospair(NODE ipair)
4172: {
4173: int s1,s2;
4174: NODE tn,t;
4175: ND_pairs r,r0;
4176:
4177: for ( r0 = 0, t = ipair; t; t = NEXT(t) ) {
4178: NEXTND_pairs(r0,r);
4179: tn = BDY((LIST)BDY(t));
1.6 noro 4180: r->i1 = ZTOS((Q)ARG0(tn));
4181: r->i2 = ZTOS((Q)ARG1(tn));
1.1 noro 4182: ndl_lcm(DL(nd_psh[r->i1]),DL(nd_psh[r->i2]),r->lcm);
4183: s1 = SG(nd_psh[r->i1])-TD(DL(nd_psh[r->i1]));
4184: s2 = SG(nd_psh[r->i2])-TD(DL(nd_psh[r->i2]));
4185: SG(r) = MAX(s1,s2) + TD(LCM(r));
4186: /* experimental */
4187: if ( nd_sugarweight )
4188: r->sugar2 = ndl_weight2(r->lcm);
4189: }
4190: if ( r0 ) NEXT(r) = 0;
4191: return r0;
4192: }
4193:
4194: /* kokokara */
4195:
4196: ND_pairs crit_B( ND_pairs d, int s )
4197: {
4198: ND_pairs cur,head,prev,remove;
4199: UINT *t,*tl,*lcm;
4200: int td,tdl;
4201:
4202: if ( !d ) return 0;
4203: t = DL(nd_psh[s]);
4204: prev = 0;
4205: head = cur = d;
4206: lcm = (UINT *)MALLOC(nd_wpd*sizeof(UINT));
4207: while ( cur ) {
4208: tl = cur->lcm;
4209: if ( ndl_reducible(tl,t) ) {
4210: ndl_lcm(DL(nd_psh[cur->i1]),t,lcm);
4211: if ( !ndl_equal(lcm,tl) ) {
4212: ndl_lcm(DL(nd_psh[cur->i2]),t,lcm);
4213: if (!ndl_equal(lcm,tl)) {
4214: remove = cur;
4215: if ( !prev ) {
4216: head = cur = NEXT(cur);
4217: } else {
4218: cur = NEXT(prev) = NEXT(cur);
4219: }
1.41 noro 4220: FREENDP(remove); NcriB++;
1.1 noro 4221: } else {
4222: prev = cur; cur = NEXT(cur);
4223: }
4224: } else {
4225: prev = cur; cur = NEXT(cur);
4226: }
4227: } else {
4228: prev = cur; cur = NEXT(cur);
4229: }
4230: }
4231: return head;
4232: }
4233:
4234: ND_pairs crit_M( ND_pairs d1 )
4235: {
4236: ND_pairs e,d2,d3,dd,p;
4237: UINT *id,*jd;
4238:
4239: if ( !d1 ) return d1;
4240: for ( dd = 0, e = d1; e; e = d3 ) {
4241: if ( !(d2 = NEXT(e)) ) {
4242: NEXT(e) = dd;
4243: return e;
4244: }
4245: id = LCM(e);
4246: for ( d3 = 0; d2; d2 = p ) {
4247: p = NEXT(d2);
4248: jd = LCM(d2);
4249: if ( ndl_equal(jd,id) )
4250: ;
4251: else if ( TD(jd) > TD(id) )
4252: if ( ndl_reducible(jd,id) ) continue;
4253: else ;
4254: else if ( ndl_reducible(id,jd) ) goto delit;
4255: NEXT(d2) = d3;
4256: d3 = d2;
4257: }
4258: NEXT(e) = dd;
4259: dd = e;
4260: continue;
4261: /**/
4262: delit: NEXT(d2) = d3;
4263: d3 = d2;
4264: for ( ; p; p = d2 ) {
4265: d2 = NEXT(p);
4266: NEXT(p) = d3;
4267: d3 = p;
4268: }
4269: FREENDP(e);
4270: }
4271: return dd;
4272: }
4273:
4274: ND_pairs crit_F( ND_pairs d1 )
4275: {
4276: ND_pairs rest, head,remove;
4277: ND_pairs last, p, r, w;
4278: int s;
4279:
4280: if ( !d1 ) return d1;
4281: for ( head = last = 0, p = d1; NEXT(p); ) {
4282: r = w = equivalent_pairs(p,&rest);
4283: s = SG(r);
4284: w = NEXT(w);
4285: while ( w ) {
4286: if ( crit_2(w->i1,w->i2) ) {
4287: r = w;
4288: w = NEXT(w);
4289: while ( w ) {
4290: remove = w;
4291: w = NEXT(w);
4292: FREENDP(remove);
4293: }
4294: break;
4295: } else if ( SG(w) < s ) {
4296: FREENDP(r);
4297: r = w;
4298: s = SG(r);
4299: w = NEXT(w);
4300: } else {
4301: remove = w;
4302: w = NEXT(w);
4303: FREENDP(remove);
4304: }
4305: }
4306: if ( last ) NEXT(last) = r;
4307: else head = r;
4308: NEXT(last = r) = 0;
4309: p = rest;
4310: if ( !p ) return head;
4311: }
4312: if ( !last ) return p;
4313: NEXT(last) = p;
4314: return head;
4315: }
4316:
4317: int crit_2( int dp1, int dp2 )
4318: {
4319: return ndl_disjoint(DL(nd_psh[dp1]),DL(nd_psh[dp2]));
4320: }
4321:
4322: ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest )
4323: {
4324: ND_pairs w,p,r,s;
4325: UINT *d;
4326:
4327: w = d1;
4328: d = LCM(w);
4329: s = NEXT(w);
4330: NEXT(w) = 0;
4331: for ( r = 0; s; s = p ) {
4332: p = NEXT(s);
4333: if ( ndl_equal(d,LCM(s)) ) {
4334: NEXT(s) = w; w = s;
4335: } else {
4336: NEXT(s) = r; r = s;
4337: }
4338: }
4339: *prest = r;
4340: return w;
4341: }
4342:
4343: NODE update_base(NODE nd,int ndp)
4344: {
4345: UINT *dl, *dln;
4346: NODE last, p, head;
4347:
4348: dl = DL(nd_psh[ndp]);
4349: for ( head = last = 0, p = nd; p; ) {
4350: dln = DL(nd_psh[(long)BDY(p)]);
4351: if ( ndl_reducible( dln, dl ) ) {
4352: p = NEXT(p);
4353: if ( last ) NEXT(last) = p;
4354: } else {
4355: if ( !last ) head = p;
4356: p = NEXT(last = p);
4357: }
4358: }
4359: head = append_one(head,ndp);
4360: return head;
4361: }
4362:
4363: ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )
4364: {
4365: ND_pairs m,ml,p,l;
4366: UINT *lcm;
4367: int s,td,len,tlen,c,c1;
4368:
4369: if ( !(p = NEXT(m = d)) ) {
4370: *prest = p;
4371: NEXT(m) = 0;
4372: return m;
4373: }
4374: if ( !NoSugar ) {
4375: if ( nd_sugarweight ) {
4376: s = m->sugar2;
4377: for ( ml = 0, l = m; p; p = NEXT(l = p) )
4378: if ( (p->sugar2 < s)
4379: || ((p->sugar2 == s) && (DL_COMPARE(LCM(p),LCM(m)) < 0)) ) {
4380: ml = l; m = p; s = m->sugar2;
4381: }
4382: } else {
4383: s = SG(m);
4384: for ( ml = 0, l = m; p; p = NEXT(l = p) )
4385: if ( (SG(p) < s)
4386: || ((SG(p) == s) && (DL_COMPARE(LCM(p),LCM(m)) < 0)) ) {
4387: ml = l; m = p; s = SG(m);
4388: }
4389: }
4390: } else {
4391: for ( ml = 0, l = m; p; p = NEXT(l = p) )
4392: if ( DL_COMPARE(LCM(p),LCM(m)) < 0 ) {
4393: ml = l; m = p; s = SG(m);
4394: }
4395: }
4396: if ( !ml ) *prest = NEXT(m);
4397: else {
4398: NEXT(ml) = NEXT(m);
4399: *prest = d;
4400: }
4401: NEXT(m) = 0;
4402: return m;
4403: }
4404:
4405: ND_pairs nd_minsugarp( ND_pairs d, ND_pairs *prest )
4406: {
4407: int msugar,i;
4408: ND_pairs t,dm0,dm,dr0,dr;
4409:
4410: if ( nd_sugarweight ) {
4411: for ( msugar = d->sugar2, t = NEXT(d); t; t = NEXT(t) )
4412: if ( t->sugar2 < msugar ) msugar = t->sugar2;
4413: dm0 = 0; dr0 = 0;
4414: for ( i = 0, t = d; t; t = NEXT(t) )
4415: if ( i < nd_f4_nsp && t->sugar2 == msugar ) {
4416: if ( dm0 ) NEXT(dm) = t;
4417: else dm0 = t;
4418: dm = t;
4419: i++;
4420: } else {
4421: if ( dr0 ) NEXT(dr) = t;
4422: else dr0 = t;
4423: dr = t;
4424: }
4425: } else {
4426: for ( msugar = SG(d), t = NEXT(d); t; t = NEXT(t) )
4427: if ( SG(t) < msugar ) msugar = SG(t);
4428: dm0 = 0; dr0 = 0;
4429: for ( i = 0, t = d; t; t = NEXT(t) )
4430: if ( i < nd_f4_nsp && SG(t) == msugar ) {
4431: if ( dm0 ) NEXT(dm) = t;
4432: else dm0 = t;
4433: dm = t;
4434: i++;
4435: } else {
4436: if ( dr0 ) NEXT(dr) = t;
4437: else dr0 = t;
4438: dr = t;
4439: }
4440: }
4441: NEXT(dm) = 0;
4442: if ( dr0 ) NEXT(dr) = 0;
4443: *prest = dr0;
4444: return dm0;
4445: }
4446:
1.28 noro 4447: ND_pairs nd_minsugarp_s( ND_pairs d, ND_pairs *prest )
4448: {
4449: int msugar;
4450: ND_pairs t,last;
4451:
4452: for ( msugar = SG(d), t = d; t; t = NEXT(t) )
4453: if ( SG(t) == msugar ) last = t;
4454: *prest = last->next;
4455: last->next = 0;
4456: return d;
4457: }
4458:
1.1 noro 4459: int nd_tdeg(NDV c)
4460: {
4461: int wmax = 0;
4462: int i,len;
4463: NMV a;
4464:
4465: len = LEN(c);
4466: for ( a = BDY(c), i = 0; i < len; i++, NMV_ADV(a) )
4467: wmax = MAX(TD(DL(a)),wmax);
4468: return wmax;
4469: }
4470:
1.24 noro 4471: int ndv_newps(int m,NDV a,NDV aq)
1.1 noro 4472: {
4473: int len;
4474: RHist r;
4475: NDV b;
4476: NODE tn;
4477: LIST l;
4478: Z iq;
4479:
4480: if ( nd_psn == nd_pslen ) {
4481: nd_pslen *= 2;
4482: nd_ps = (NDV *)REALLOC((char *)nd_ps,nd_pslen*sizeof(NDV));
4483: nd_ps_trace = (NDV *)REALLOC((char *)nd_ps_trace,nd_pslen*sizeof(NDV));
4484: nd_psh = (RHist *)REALLOC((char *)nd_psh,nd_pslen*sizeof(RHist));
4485: nd_bound = (UINT **)
4486: REALLOC((char *)nd_bound,nd_pslen*sizeof(UINT *));
4487: nd_ps_sym = (NDV *)REALLOC((char *)nd_ps_sym,nd_pslen*sizeof(NDV));
4488: nd_ps_trace_sym = (NDV *)REALLOC((char *)nd_ps_trace_sym,nd_pslen*sizeof(NDV));
4489: }
4490: NEWRHist(r); nd_psh[nd_psn] = r;
4491: nd_ps[nd_psn] = a;
4492: if ( aq ) {
4493: nd_ps_trace[nd_psn] = aq;
4494: if ( !m ) {
4495: register_hcf(aq);
4496: } else if ( m == -2 ) {
4497: /* do nothing */
4498: } else
4499: error("ndv_newps : invalud modulus");
4500: nd_bound[nd_psn] = ndv_compute_bound(aq);
4501: #if 1
4502: SG(r) = SG(aq);
4503: #else
4504: SG(r) = nd_tdeg(aq);
4505: #endif
4506: ndl_copy(HDL(aq),DL(r));
1.24 noro 4507: r->sig = dup_sig(aq->sig);
1.1 noro 4508: } else {
4509: if ( !m ) register_hcf(a);
4510: nd_bound[nd_psn] = ndv_compute_bound(a);
4511: #if 1
4512: SG(r) = SG(a);
4513: #else
4514: SG(r) = nd_tdeg(a);
4515: #endif
4516: ndl_copy(HDL(a),DL(r));
1.24 noro 4517: r->sig = dup_sig(a->sig);
1.1 noro 4518: }
4519: if ( nd_demand ) {
4520: if ( aq ) {
4521: ndv_save(nd_ps_trace[nd_psn],nd_psn);
4522: nd_ps_sym[nd_psn] = ndv_symbolic(m,nd_ps_trace[nd_psn]);
4523: nd_ps_trace_sym[nd_psn] = ndv_symbolic(m,nd_ps_trace[nd_psn]);
4524: nd_ps_trace[nd_psn] = 0;
4525: } else {
4526: ndv_save(nd_ps[nd_psn],nd_psn);
4527: nd_ps_sym[nd_psn] = ndv_symbolic(m,nd_ps[nd_psn]);
4528: nd_ps[nd_psn] = 0;
4529: }
4530: }
4531: if ( nd_gentrace ) {
4532: /* reverse the tracelist and append it to alltracelist */
4533: nd_tracelist = reverse_node(nd_tracelist); MKLIST(l,nd_tracelist);
1.6 noro 4534: STOZ(nd_psn,iq); tn = mknode(2,iq,l); MKLIST(l,tn);
1.1 noro 4535: MKNODE(tn,l,nd_alltracelist); nd_alltracelist = tn; nd_tracelist = 0;
4536: }
4537: return nd_psn++;
4538: }
4539:
1.46 noro 4540: // find LM wrt the specified modord
4541: void ndv_lm_modord(NDV p,DL d)
1.45 noro 4542: {
4543: NMV m;
4544: DL tmp;
4545: int len,i,ret;
4546:
4547: NEWDL(tmp,nd_nvar);
4548: m = BDY(p); len = LEN(p);
1.46 noro 4549: _ndltodl(DL(m),d); // printdl(d); printf("->");
1.45 noro 4550: for ( i = 1, NMV_ADV(m); i < len; i++, NMV_ADV(m) ) {
4551: _ndltodl(DL(m),tmp);
1.46 noro 4552: ret = comp_sig_monomial(nd_nvar,tmp,d);
1.45 noro 4553: if ( ret > 0 ) _copydl(nd_nvar,tmp,d);
4554: }
1.46 noro 4555: // printdl(d); printf("\n");
1.45 noro 4556: }
4557:
1.1 noro 4558: /* nd_tracelist = [[0,index,div],...,[nd_psn-1,index,div]] */
4559: /* return 1 if success, 0 if failure (HC(a mod p)) */
4560:
1.24 noro 4561: int ndv_setup(int mod,int trace,NODE f,int dont_sort,int dont_removecont,int sba)
1.1 noro 4562: {
1.6 noro 4563: int i,j,td,len,max;
4564: NODE s,s0,f0,tn;
4565: UINT *d;
4566: RHist r;
4567: NDVI w;
4568: NDV a,am;
4569: union oNDC hc;
4570: NODE node;
4571: P hcp;
4572: Z iq,jq;
4573: LIST l;
4574:
4575: nd_found = 0; nd_notfirst = 0; nd_create = 0;
4576: /* initialize the tracelist */
4577: nd_tracelist = 0;
4578:
4579: for ( nd_psn = 0, s = f; s; s = NEXT(s) ) if ( BDY(s) ) nd_psn++;
4580: w = (NDVI)MALLOC(nd_psn*sizeof(struct oNDVI));
4581: for ( i = j = 0, s = f; s; s = NEXT(s), j++ )
4582: if ( BDY(s) ) { w[i].p = BDY(s); w[i].i = j; i++; }
4583: if ( !dont_sort ) {
4584: /* XXX heuristic */
1.26 noro 4585: if ( !sba && !nd_ord->id && (nd_ord->ord.simple<2) )
1.6 noro 4586: qsort(w,nd_psn,sizeof(struct oNDVI),
4587: (int (*)(const void *,const void *))ndvi_compare_rev);
4588: else
4589: qsort(w,nd_psn,sizeof(struct oNDVI),
4590: (int (*)(const void *,const void *))ndvi_compare);
4591: }
4592: nd_pslen = 2*nd_psn;
4593: nd_ps = (NDV *)MALLOC(nd_pslen*sizeof(NDV));
4594: nd_ps_trace = (NDV *)MALLOC(nd_pslen*sizeof(NDV));
4595: nd_ps_sym = (NDV *)MALLOC(nd_pslen*sizeof(NDV));
4596: nd_ps_trace_sym = (NDV *)MALLOC(nd_pslen*sizeof(NDV));
4597: nd_psh = (RHist *)MALLOC(nd_pslen*sizeof(RHist));
4598: nd_bound = (UINT **)MALLOC(nd_pslen*sizeof(UINT *));
4599: nd_hcf = 0;
1.1 noro 4600:
1.6 noro 4601: if ( trace && nd_vc )
4602: makesubst(nd_vc,&nd_subst);
4603: else
4604: nd_subst = 0;
1.1 noro 4605:
1.6 noro 4606: if ( !nd_red )
4607: nd_red = (RHist *)MALLOC(REDTAB_LEN*sizeof(RHist));
4608: for ( i = 0; i < REDTAB_LEN; i++ ) nd_red[i] = 0;
4609: for ( i = 0; i < nd_psn; i++ ) {
4610: hc = HCU(w[i].p);
4611: if ( trace ) {
4612: if ( mod == -2 ) {
4613: /* over a large finite field */
4614: /* trace = small modulus */
4615: a = nd_ps_trace[i] = ndv_dup(-2,w[i].p);
4616: ndv_mod(-2,a);
4617: if ( !dont_removecont) ndv_removecont(-2,a);
4618: am = nd_ps[i] = ndv_dup(trace,w[i].p);
4619: ndv_mod(trace,am);
4620: if ( DL_COMPARE(HDL(am),HDL(a)) )
4621: return 0;
4622: ndv_removecont(trace,am);
4623: } else {
4624: a = nd_ps_trace[i] = ndv_dup(0,w[i].p);
4625: if ( !dont_removecont) ndv_removecont(0,a);
4626: register_hcf(a);
4627: am = nd_ps[i] = ndv_dup(mod,a);
4628: ndv_mod(mod,am);
4629: if ( DL_COMPARE(HDL(am),HDL(a)) )
4630: return 0;
4631: ndv_removecont(mod,am);
4632: }
4633: } else {
4634: a = nd_ps[i] = ndv_dup(mod,w[i].p);
4635: if ( mod || !dont_removecont ) ndv_removecont(mod,a);
4636: if ( !mod ) register_hcf(a);
1.1 noro 4637: }
1.6 noro 4638: if ( nd_gentrace ) {
4639: STOZ(i,iq); STOZ(w[i].i,jq); node = mknode(3,iq,jq,ONE);
4640: /* exact division */
1.1 noro 4641: if ( !dont_removecont )
1.6 noro 4642: ARG2(node) = (pointer)ndc_div(trace?0:mod,hc,HCU(a));
4643: MKLIST(l,node); NEXTNODE(nd_tracelist,tn); BDY(tn) = l;
4644: }
4645: NEWRHist(r); SG(r) = HTD(a); ndl_copy(HDL(a),DL(r));
4646: nd_bound[i] = ndv_compute_bound(a);
4647: nd_psh[i] = r;
4648: if ( nd_demand ) {
4649: if ( trace ) {
4650: ndv_save(nd_ps_trace[i],i);
4651: nd_ps_sym[i] = ndv_symbolic(mod,nd_ps_trace[i]);
4652: nd_ps_trace_sym[i] = ndv_symbolic(mod,nd_ps_trace[i]);
4653: nd_ps_trace[i] = 0;
4654: } else {
4655: ndv_save(nd_ps[i],i);
4656: nd_ps_sym[i] = ndv_symbolic(mod,nd_ps[i]);
4657: nd_ps[i] = 0;
4658: }
1.1 noro 4659: }
1.6 noro 4660: }
1.24 noro 4661: if ( sba ) {
1.27 noro 4662: nd_sba_hm = (DL *)MALLOC(nd_psn*sizeof(DL));
1.24 noro 4663: // setup signatures
1.27 noro 4664: for ( i = 0; i < nd_psn; i++ ) {
4665: SIG sig;
1.24 noro 4666:
1.27 noro 4667: NEWSIG(sig); sig->pos = i;
4668: nd_ps[i]->sig = sig;
4669: if ( nd_demand ) nd_ps_sym[i]->sig = sig;
4670: nd_psh[i]->sig = sig;
4671: if ( trace ) {
4672: nd_ps_trace[i]->sig = sig;
4673: if ( nd_demand ) nd_ps_trace_sym[i]->sig = sig;
4674: }
4675: NEWDL(nd_sba_hm[i],nd_nvar);
1.46 noro 4676: if ( nd_sba_modord )
4677: ndv_lm_modord(nd_ps[i],nd_sba_hm[i]);
1.45 noro 4678: else
4679: _ndltodl(DL(nd_psh[i]),nd_sba_hm[i]);
1.27 noro 4680: }
1.29 noro 4681: nd_sba_pos = (NODE *)MALLOC(nd_psn*sizeof(NODE));
4682: for ( i = 0; i < nd_psn; i++ ) {
4683: j = nd_psh[i]->sig->pos;
4684: nd_sba_pos[j] = append_one(nd_sba_pos[j],i);
4685: }
1.24 noro 4686: }
1.6 noro 4687: if ( nd_gentrace && nd_tracelist ) NEXT(tn) = 0;
4688: return 1;
1.1 noro 4689: }
4690:
4691: struct order_spec *append_block(struct order_spec *spec,
4692: int nv,int nalg,int ord);
4693:
4694: extern VECT current_dl_weight_vector_obj;
4695: static VECT prev_weight_vector_obj;
4696:
4697: void preprocess_algcoef(VL vv,VL av,struct order_spec *ord,LIST f,
4698: struct order_spec **ord1p,LIST *f1p,NODE *alistp)
4699: {
4700: NODE alist,t,s,r0,r,arg;
4701: VL tv;
4702: P poly;
4703: DP d;
4704: Alg alpha,dp;
4705: DAlg inv,da,hc;
4706: MP m;
4707: int i,nvar,nalg,n;
4708: NumberField nf;
4709: LIST f1,f2;
4710: struct order_spec *current_spec;
4711: VECT obj,obj0;
4712: VECT tmp;
4713:
4714: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++);
4715: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++);
4716:
4717: for ( alist = 0, tv = av; tv; tv = NEXT(tv) ) {
4718: NEXTNODE(alist,t); MKV(tv->v,poly);
4719: MKAlg(poly,alpha); BDY(t) = (pointer)alpha;
4720: tv->v = tv->v->priv;
4721: }
4722: NEXT(t) = 0;
4723:
4724: /* simplification, making polynomials monic */
4725: setfield_dalg(alist);
4726: obj_algtodalg((Obj)f,(Obj *)&f1);
4727: for ( t = BDY(f); t; t = NEXT(t) ) {
4728: initd(ord); ptod(vv,vv,(P)BDY(t),&d);
4729: hc = (DAlg)BDY(d)->c;
4730: if ( NID(hc) == N_DA ) {
4731: invdalg(hc,&inv);
4732: for ( m = BDY(d); m; m = NEXT(m) ) {
4733: muldalg(inv,(DAlg)m->c,&da); m->c = (Obj)da;
4734: }
4735: }
4736: initd(ord); dtop(vv,vv,d,(Obj *)&poly); BDY(f) = (pointer)poly;
4737: }
4738: obj_dalgtoalg((Obj)f1,(Obj *)&f);
4739:
4740: /* append alg vars to the var list */
4741: for ( tv = vv; NEXT(tv); tv = NEXT(tv) );
4742: NEXT(tv) = av;
4743:
4744: /* append a block to ord */
4745: *ord1p = append_block(ord,nvar,nalg,2);
4746:
4747: /* create generator list */
4748: nf = get_numberfield();
4749: for ( i = nalg-1, t = BDY(f); i >= 0; i-- ) {
4750: MKAlg(nf->defpoly[i],dp);
4751: MKNODE(s,dp,t); t = s;
4752: }
4753: MKLIST(f1,t);
4754: *alistp = alist;
4755: algobjtorat((Obj)f1,(Obj *)f1p);
4756:
4757: /* creating a new weight vector */
4758: prev_weight_vector_obj = obj0 = current_dl_weight_vector_obj;
4759: n = nvar+nalg+1;
4760: MKVECT(obj,n);
4761: if ( obj0 && obj0->len == nvar )
4762: for ( i = 0; i < nvar; i++ ) BDY(obj)[i] = BDY(obj0)[i];
4763: else
4764: for ( i = 0; i < nvar; i++ ) BDY(obj)[i] = (pointer)ONE;
4765: for ( i = 0; i < nalg; i++ ) BDY(obj)[i+nvar] = 0;
4766: BDY(obj)[n-1] = (pointer)ONE;
4767: arg = mknode(1,obj);
4768: Pdp_set_weight(arg,&tmp);
4769: }
4770:
4771: NODE postprocess_algcoef(VL av,NODE alist,NODE r)
4772: {
4773: NODE s,t,u0,u;
4774: P p;
4775: VL tv;
4776: Obj obj;
4777: VECT tmp;
4778: NODE arg;
4779:
4780: u0 = 0;
4781: for ( t = r; t; t = NEXT(t) ) {
4782: p = (P)BDY(t);
4783: for ( tv = av, s = alist; tv; tv = NEXT(tv), s = NEXT(s) ) {
4784: substr(CO,0,(Obj)p,tv->v,(Obj)BDY(s),&obj); p = (P)obj;
4785: }
4786: if ( OID(p) == O_P || (OID(p) == O_N && NID((Num)p) != N_A) ) {
4787: NEXTNODE(u0,u);
4788: BDY(u) = (pointer)p;
4789: }
4790: }
4791: arg = mknode(1,prev_weight_vector_obj);
4792: Pdp_set_weight(arg,&tmp);
4793:
4794: return u0;
4795: }
4796:
4797: void nd_gr(LIST f,LIST v,int m,int homo,int retdp,int f4,struct order_spec *ord,LIST *rp)
4798: {
4799: VL tv,fv,vv,vc,av;
4800: NODE fd,fd0,r,r0,t,x,s,xx,alist;
4801: int e,max,nvar,i;
4802: NDV b;
4803: int ishomo,nalg,mrank,trank,wmax,len;
4804: NMV a;
4805: Alg alpha,dp;
4806: P p,zp;
4807: Q dmy;
4808: LIST f1,f2,zpl;
4809: Obj obj;
4810: NumberField nf;
4811: struct order_spec *ord1;
4812: NODE tr,tl1,tl2,tl3,tl4,nzlist;
4813: LIST l1,l2,l3,l4,l5;
4814: int j;
4815: Z jq,bpe,last_nonzero;
4816: int *perm;
4817: EPOS oepos;
4818: int obpe,oadv,ompos,cbpe;
1.15 noro 4819: VECT hvect;
1.1 noro 4820:
1.41 noro 4821: NcriB = NcriMF = Ncri2 = 0;
1.1 noro 4822: nd_module = 0;
4823: if ( !m && Demand ) nd_demand = 1;
4824: else nd_demand = 0;
4825:
4826: if ( DP_Multiple )
4827: nd_scale = ((double)DP_Multiple)/(double)(Denominator?Denominator:1);
4828: #if 0
4829: ndv_alloc = 0;
4830: #endif
4831: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
1.46 noro 4832: parse_nd_option(vv,current_option);
1.1 noro 4833: if ( m && nd_vc )
4834: error("nd_{gr,f4} : computation over Fp(X) is unsupported. Use dp_gr_mod_main().");
4835: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
4836: switch ( ord->id ) {
4837: case 1:
4838: if ( ord->nv != nvar )
4839: error("nd_{gr,f4} : invalid order specification");
4840: break;
4841: default:
4842: break;
4843: }
4844: nd_nalg = 0;
4845: av = 0;
4846: if ( !m ) {
4847: get_algtree((Obj)f,&av);
4848: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
4849: nd_ntrans = nvar;
4850: nd_nalg = nalg;
4851: /* #i -> t#i */
4852: if ( nalg ) {
4853: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
4854: ord = ord1;
4855: f = f1;
4856: }
4857: nvar += nalg;
4858: }
4859: nd_init_ord(ord);
4860: mrank = 0;
4861: for ( t = BDY(f), max = 1; t; t = NEXT(t) )
4862: for ( tv = vv; tv; tv = NEXT(tv) ) {
4863: if ( nd_module ) {
1.16 noro 4864: if ( OID(BDY(t)) == O_DPM ) {
4865: e = dpm_getdeg((DPM)BDY(t),&trank);
4866: max = MAX(e,max);
4867: mrank = MAX(mrank,trank);
4868: } else {
4869: s = BDY((LIST)BDY(t));
4870: trank = length(s);
4871: mrank = MAX(mrank,trank);
4872: for ( ; s; s = NEXT(s) ) {
4873: e = getdeg(tv->v,(P)BDY(s));
4874: max = MAX(e,max);
4875: }
1.1 noro 4876: }
4877: } else {
1.43 noro 4878: if ( OID(BDY(t)) == O_DP ) {
4879: e = dp_getdeg((DP)BDY(t));
4880: max = MAX(e,max);
4881: } else {
4882: e = getdeg(tv->v,(P)BDY(t));
4883: max = MAX(e,max);
4884: }
1.1 noro 4885: }
4886: }
4887: nd_setup_parameters(nvar,nd_nzlist?0:max);
4888: obpe = nd_bpe; oadv = nmv_adv; oepos = nd_epos; ompos = nd_mpos;
4889: ishomo = 1;
4890: for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
4891: if ( nd_module ) {
1.16 noro 4892: if ( OID(BDY(t)) == O_DPM ) {
4893: Z cont;
4894: DPM zdpm;
4895:
4896: if ( !m && !nd_gentrace ) dpm_ptozp((DPM)BDY(t),&cont,&zdpm);
4897: else zdpm = (DPM)BDY(t);
4898: b = (pointer)dpmtondv(m,zdpm);
4899: } else {
4900: if ( !m && !nd_gentrace ) pltozpl((LIST)BDY(t),&dmy,&zpl);
4901: else zpl = (LIST)BDY(t);
1.1 noro 4902: b = (pointer)pltondv(CO,vv,zpl);
1.16 noro 4903: }
1.1 noro 4904: } else {
1.43 noro 4905: if ( OID(BDY(t)) == O_DP ) {
4906: DP zdp;
4907:
4908: if ( !m && !nd_gentrace ) dp_ptozp((DP)BDY(t),&zdp);
4909: else zdp = (DP)BDY(t);
4910: b = (pointer)dptondv(m,zdp);
4911: } else {
4912: if ( !m && !nd_gentrace ) ptozp((P)BDY(t),1,&dmy,&zp);
4913: else zp = (P)BDY(t);
4914: b = (pointer)ptondv(CO,vv,zp);
4915: }
1.1 noro 4916: }
4917: if ( ishomo )
4918: ishomo = ishomo && ndv_ishomo(b);
4919: if ( m ) ndv_mod(m,b);
4920: if ( b ) { NEXTNODE(fd0,fd); BDY(fd) = (pointer)b; }
4921: }
4922: if ( fd0 ) NEXT(fd) = 0;
4923:
4924: if ( !ishomo && homo ) {
4925: for ( t = fd0, wmax = max; t; t = NEXT(t) ) {
4926: b = (NDV)BDY(t); len = LEN(b);
4927: for ( a = BDY(b), i = 0; i < len; i++, NMV_ADV(a) )
4928: wmax = MAX(TD(DL(a)),wmax);
4929: }
4930: homogenize_order(ord,nvar,&ord1);
4931: nd_init_ord(ord1);
4932: nd_setup_parameters(nvar+1,nd_nzlist?0:wmax);
4933: for ( t = fd0; t; t = NEXT(t) )
4934: ndv_homogenize((NDV)BDY(t),obpe,oadv,oepos,ompos);
4935: }
4936:
1.24 noro 4937: ndv_setup(m,0,fd0,(nd_gbblock||nd_splist||nd_check_splist)?1:0,0,0);
1.1 noro 4938: if ( nd_gentrace ) {
4939: MKLIST(l1,nd_tracelist); MKNODE(nd_alltracelist,l1,0);
4940: }
4941: if ( nd_splist ) {
4942: *rp = compute_splist();
4943: return;
4944: }
4945: if ( nd_check_splist ) {
4946: if ( f4 ) {
4947: if ( check_splist_f4(m,nd_check_splist) ) *rp = (LIST)ONE;
4948: else *rp = 0;
4949: } else {
4950: if ( check_splist(m,nd_check_splist) ) *rp = (LIST)ONE;
4951: else *rp = 0;
4952: }
4953: return;
4954: }
4955: x = f4?nd_f4(m,0,&perm):nd_gb(m,ishomo || homo,0,0,&perm);
4956: if ( !x ) {
4957: *rp = 0; return;
4958: }
1.15 noro 4959: if ( nd_gentrace ) {
4960: MKVECT(hvect,nd_psn);
4961: for ( i = 0; i < nd_psn; i++ )
4962: ndltodp(nd_psh[i]->dl,(DP *)&BDY(hvect)[i]);
4963: }
1.1 noro 4964: if ( !ishomo && homo ) {
4965: /* dehomogenization */
4966: for ( t = x; t; t = NEXT(t) ) ndv_dehomogenize((NDV)BDY(t),ord);
4967: nd_init_ord(ord);
4968: nd_setup_parameters(nvar,0);
4969: }
4970: nd_demand = 0;
4971: if ( nd_module && nd_intersect ) {
4972: for ( j = nd_psn-1, x = 0; j >= 0; j-- )
1.17 noro 4973: if ( MPOS(DL(nd_psh[j])) > nd_intersect ) {
1.1 noro 4974: MKNODE(xx,(pointer)((unsigned long)j),x); x = xx;
4975: }
4976: conv_ilist(nd_demand,0,x,0);
4977: goto FINAL;
4978: }
4979: if ( nd_gentrace && f4 ) { nzlist = nd_alltracelist; }
4980: x = ndv_reducebase(x,perm);
4981: if ( nd_gentrace && !f4 ) { tl1 = nd_alltracelist; nd_alltracelist = 0; }
4982: x = ndv_reduceall(m,x);
4983: cbpe = nd_bpe;
4984: if ( nd_gentrace && !f4 ) {
4985: tl2 = nd_alltracelist; nd_alltracelist = 0;
4986: ndv_check_membership(m,fd0,obpe,oadv,oepos,x);
4987: tl3 = nd_alltracelist; nd_alltracelist = 0;
4988: if ( nd_gensyz ) {
4989: nd_gb(m,0,1,1,0);
4990: tl4 = nd_alltracelist; nd_alltracelist = 0;
4991: } else tl4 = 0;
4992: }
4993: nd_bpe = cbpe;
4994: nd_setup_parameters(nd_nvar,0);
4995: FINAL:
4996: for ( r0 = 0, t = x; t; t = NEXT(t) ) {
1.16 noro 4997: NEXTNODE(r0,r);
4998: if ( nd_module ) {
4999: if ( retdp ) BDY(r) = ndvtodpm(m,BDY(t));
5000: else BDY(r) = ndvtopl(m,CO,vv,BDY(t),mrank);
5001: } else if ( retdp ) BDY(r) = ndvtodp(m,BDY(t));
5002: else BDY(r) = ndvtop(m,CO,vv,BDY(t));
1.1 noro 5003: }
5004: if ( r0 ) NEXT(r) = 0;
5005: if ( !m && nd_nalg )
5006: r0 = postprocess_algcoef(av,alist,r0);
5007: MKLIST(*rp,r0);
5008: if ( nd_gentrace ) {
5009: if ( f4 ) {
1.6 noro 5010: STOZ(16,bpe);
5011: STOZ(nd_last_nonzero,last_nonzero);
1.15 noro 5012: tr = mknode(6,*rp,(!ishomo&&homo)?ONE:0,BDY(nzlist),bpe,last_nonzero,hvect); MKLIST(*rp,tr);
1.1 noro 5013: } else {
5014: tl1 = reverse_node(tl1); tl2 = reverse_node(tl2);
5015: tl3 = reverse_node(tl3);
5016: /* tl2 = [[i,[[*,j,*,*],...]],...] */
5017: for ( t = tl2; t; t = NEXT(t) ) {
5018: /* s = [i,[*,j,*,*],...] */
5019: s = BDY((LIST)BDY(t));
1.6 noro 5020: j = perm[ZTOS((Q)ARG0(s))]; STOZ(j,jq); ARG0(s) = (pointer)jq;
1.1 noro 5021: for ( s = BDY((LIST)ARG1(s)); s; s = NEXT(s) ) {
1.6 noro 5022: j = perm[ZTOS((Q)ARG1(BDY((LIST)BDY(s))))]; STOZ(j,jq);
1.1 noro 5023: ARG1(BDY((LIST)BDY(s))) = (pointer)jq;
5024: }
5025: }
5026: for ( j = length(x)-1, t = 0; j >= 0; j-- ) {
1.6 noro 5027: STOZ(perm[j],jq); MKNODE(s,jq,t); t = s;
1.1 noro 5028: }
5029: MKLIST(l1,tl1); MKLIST(l2,tl2); MKLIST(l3,t); MKLIST(l4,tl3);
5030: MKLIST(l5,tl4);
1.6 noro 5031: STOZ(nd_bpe,bpe);
1.15 noro 5032: tr = mknode(9,*rp,(!ishomo&&homo)?ONE:0,l1,l2,l3,l4,l5,bpe,hvect); MKLIST(*rp,tr);
1.1 noro 5033: }
5034: }
5035: #if 0
5036: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
5037: #endif
5038: }
5039:
1.28 noro 5040: NODE nd_sba_f4(int m,int **indp);
5041:
5042: void nd_sba(LIST f,LIST v,int m,int homo,int retdp,int f4,struct order_spec *ord,LIST *rp)
1.24 noro 5043: {
5044: VL tv,fv,vv,vc,av;
1.44 noro 5045: NODE fd,fd0,r,r0,t,x,s,xx,nd,syz;
1.24 noro 5046: int e,max,nvar,i;
5047: NDV b;
5048: int ishomo,nalg,wmax,len;
5049: NMV a;
5050: P p,zp;
5051: Q dmy;
5052: struct order_spec *ord1;
5053: int j;
5054: int *perm;
5055: EPOS oepos;
5056: int obpe,oadv,ompos,cbpe;
1.29 noro 5057: struct oEGT eg0,eg1,egconv;
1.24 noro 5058:
5059: nd_module = 0;
5060: nd_demand = 0;
1.35 noro 5061: Nsamesig = 0;
1.24 noro 5062: if ( DP_Multiple )
5063: nd_scale = ((double)DP_Multiple)/(double)(Denominator?Denominator:1);
5064: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
1.46 noro 5065: parse_nd_option(vv,current_option);
1.24 noro 5066: if ( m && nd_vc )
5067: error("nd_sba : computation over Fp(X) is unsupported. Use dp_gr_mod_main().");
5068: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
5069: switch ( ord->id ) {
5070: case 1:
5071: if ( ord->nv != nvar )
5072: error("nd_sba : invalid order specification");
5073: break;
5074: default:
5075: break;
5076: }
5077: nd_nalg = 0;
5078: nd_init_ord(ord);
5079: // for SIG comparison
5080: initd(ord);
5081: for ( t = BDY(f), max = 1; t; t = NEXT(t) ) {
5082: for ( tv = vv; tv; tv = NEXT(tv) ) {
1.43 noro 5083: if ( OID(BDY(t)) == O_DP ) {
5084: e = dp_getdeg((DP)BDY(t));
5085: max = MAX(e,max);
5086: } else {
5087: e = getdeg(tv->v,(P)BDY(t));
5088: max = MAX(e,max);
5089: }
1.24 noro 5090: }
5091: }
1.25 noro 5092: nd_setup_parameters(nvar,max);
1.24 noro 5093: obpe = nd_bpe; oadv = nmv_adv; oepos = nd_epos; ompos = nd_mpos;
5094: ishomo = 1;
5095: for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
1.43 noro 5096: if ( OID(BDY(t)) == O_DP ) {
5097: DP zdp;
5098:
5099: if ( !m ) dp_ptozp((DP)BDY(t),&zdp);
5100: else zdp = (DP)BDY(t);
5101: b = (pointer)dptondv(m,zdp);
5102: } else {
5103: if ( !m ) ptozp((P)BDY(t),1,&dmy,&zp);
5104: else zp = (P)BDY(t);
5105: b = (pointer)ptondv(CO,vv,zp);
5106: }
1.24 noro 5107: if ( ishomo )
5108: ishomo = ishomo && ndv_ishomo(b);
5109: if ( m ) ndv_mod(m,b);
5110: if ( b ) { NEXTNODE(fd0,fd); BDY(fd) = (pointer)b; }
5111: }
5112: if ( fd0 ) NEXT(fd) = 0;
5113:
5114: if ( !ishomo && homo ) {
5115: for ( t = fd0, wmax = max; t; t = NEXT(t) ) {
5116: b = (NDV)BDY(t); len = LEN(b);
5117: for ( a = BDY(b), i = 0; i < len; i++, NMV_ADV(a) )
5118: wmax = MAX(TD(DL(a)),wmax);
5119: }
5120: homogenize_order(ord,nvar,&ord1);
5121: nd_init_ord(ord1);
1.42 noro 5122: // for SIG comparison
5123: initd(ord1);
1.24 noro 5124: nd_setup_parameters(nvar+1,nd_nzlist?0:wmax);
5125: for ( t = fd0; t; t = NEXT(t) )
5126: ndv_homogenize((NDV)BDY(t),obpe,oadv,oepos,ompos);
5127: }
5128:
1.39 noro 5129: ndv_setup(m,0,fd0,nd_sba_dontsort,0,1);
1.44 noro 5130: x = f4 ? nd_sba_f4(m,&perm) : nd_sba_buch(m,ishomo || homo,&perm,&syz);
1.24 noro 5131: if ( !x ) {
5132: *rp = 0; return;
5133: }
5134: if ( !ishomo && homo ) {
5135: /* dehomogenization */
5136: for ( t = x; t; t = NEXT(t) ) ndv_dehomogenize((NDV)BDY(t),ord);
5137: nd_init_ord(ord);
1.42 noro 5138: // for SIG comparison
5139: initd(ord);
1.24 noro 5140: nd_setup_parameters(nvar,0);
5141: }
5142: nd_demand = 0;
5143: x = ndv_reducebase(x,perm);
5144: x = ndv_reduceall(m,x);
5145: nd_setup_parameters(nd_nvar,0);
1.29 noro 5146: get_eg(&eg0);
1.24 noro 5147: for ( r0 = 0, t = x; t; t = NEXT(t) ) {
5148: NEXTNODE(r0,r);
5149: if ( retdp ) BDY(r) = ndvtodp(m,BDY(t));
1.34 noro 5150: else BDY(r) = ndvtop(m,CO,vv,BDY(t));
1.24 noro 5151: }
5152: if ( r0 ) NEXT(r) = 0;
1.44 noro 5153: if ( nd_sba_syz ) {
5154: LIST gb,hsyz;
5155: NODE nd;
5156:
5157: MKLIST(gb,r0);
5158: MKLIST(hsyz,syz);
5159: nd = mknode(2,gb,hsyz);
5160: MKLIST(*rp,nd);
5161: } else
5162: MKLIST(*rp,r0);
1.29 noro 5163: get_eg(&eg1); init_eg(&egconv); add_eg(&egconv,&eg0,&eg1);
5164: print_eg("conv",&egconv); fprintf(asir_out,"\n");
1.24 noro 5165: }
5166:
1.1 noro 5167: void nd_gr_postproc(LIST f,LIST v,int m,struct order_spec *ord,int do_check,LIST *rp)
5168: {
5169: VL tv,fv,vv,vc,av;
5170: NODE fd,fd0,r,r0,t,x,s,xx,alist;
5171: int e,max,nvar,i;
5172: NDV b;
5173: int ishomo,nalg;
5174: Alg alpha,dp;
5175: P p,zp;
5176: Q dmy;
5177: LIST f1,f2;
5178: Obj obj;
5179: NumberField nf;
5180: struct order_spec *ord1;
5181: int *perm;
5182:
5183: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
1.46 noro 5184: parse_nd_option(vv,current_option);
1.1 noro 5185: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
5186: switch ( ord->id ) {
5187: case 1:
5188: if ( ord->nv != nvar )
5189: error("nd_check : invalid order specification");
5190: break;
5191: default:
5192: break;
5193: }
5194: nd_nalg = 0;
5195: av = 0;
5196: if ( !m ) {
5197: get_algtree((Obj)f,&av);
5198: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
5199: nd_ntrans = nvar;
5200: nd_nalg = nalg;
5201: /* #i -> t#i */
5202: if ( nalg ) {
5203: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
5204: ord = ord1;
5205: f = f1;
5206: }
5207: nvar += nalg;
5208: }
5209: nd_init_ord(ord);
5210: for ( t = BDY(f), max = 1; t; t = NEXT(t) )
5211: for ( tv = vv; tv; tv = NEXT(tv) ) {
5212: e = getdeg(tv->v,(P)BDY(t));
5213: max = MAX(e,max);
5214: }
5215: nd_setup_parameters(nvar,max);
5216: ishomo = 1;
5217: for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
5218: ptozp((P)BDY(t),1,&dmy,&zp);
5219: b = (pointer)ptondv(CO,vv,zp);
5220: if ( ishomo )
5221: ishomo = ishomo && ndv_ishomo(b);
5222: if ( m ) ndv_mod(m,b);
5223: if ( b ) { NEXTNODE(fd0,fd); BDY(fd) = (pointer)b; }
5224: }
5225: if ( fd0 ) NEXT(fd) = 0;
1.24 noro 5226: ndv_setup(m,0,fd0,0,1,0);
1.1 noro 5227: for ( x = 0, i = 0; i < nd_psn; i++ )
5228: x = update_base(x,i);
5229: if ( do_check ) {
5230: x = nd_gb(m,ishomo,1,0,&perm);
5231: if ( !x ) {
5232: *rp = 0;
5233: return;
5234: }
5235: } else {
5236: #if 0
5237: /* bug ? */
5238: for ( t = x; t; t = NEXT(t) )
5239: BDY(t) = (pointer)nd_ps[(long)BDY(t)];
5240: #else
5241: conv_ilist(0,0,x,&perm);
5242: #endif
5243: }
5244: x = ndv_reducebase(x,perm);
5245: x = ndv_reduceall(m,x);
5246: for ( r0 = 0, t = x; t; t = NEXT(t) ) {
5247: NEXTNODE(r0,r);
5248: BDY(r) = ndvtop(m,CO,vv,BDY(t));
5249: }
5250: if ( r0 ) NEXT(r) = 0;
5251: if ( !m && nd_nalg )
5252: r0 = postprocess_algcoef(av,alist,r0);
5253: MKLIST(*rp,r0);
5254: }
5255:
5256: NDV recompute_trace(NODE trace,NDV *p,int m);
5257: void nd_gr_recompute_trace(LIST f,LIST v,int m,struct order_spec *ord,LIST tlist,LIST *rp);
5258:
5259: NDV recompute_trace(NODE ti,NDV *p,int mod)
5260: {
5261: int c,c1,c2,i;
5262: NM mul,m,tail;
5263: ND d,r,rm;
5264: NODE sj;
5265: NDV red;
5266: Obj mj;
5267:
5268: mul = (NM)MALLOC(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
5269: CM(mul) = 1;
5270: tail = 0;
5271: for ( i = 0, d = r = 0; ti; ti = NEXT(ti), i++ ) {
5272: sj = BDY((LIST)BDY(ti));
5273: if ( ARG0(sj) ) {
1.6 noro 5274: red = p[ZTOS((Q)ARG1(sj))];
1.1 noro 5275: mj = (Obj)ARG2(sj);
5276: if ( OID(mj) != O_DP ) ndl_zero(DL(mul));
5277: else dltondl(nd_nvar,BDY((DP)mj)->dl,DL(mul));
5278: rm = ndv_mul_nm(mod,mul,red);
5279: if ( !r ) r = rm;
5280: else {
5281: for ( m = BDY(r); m && !ndl_equal(m->dl,BDY(rm)->dl); m = NEXT(m), LEN(r)-- ) {
5282: if ( d ) {
5283: NEXT(tail) = m; tail = m; LEN(d)++;
5284: } else {
5285: MKND(nd_nvar,m,1,d); tail = BDY(d);
5286: }
5287: }
5288: if ( !m ) return 0; /* failure */
5289: else {
5290: BDY(r) = m;
5291: if ( mod > 0 || mod == -1 ) {
5292: c1 = invm(HCM(rm),mod); c2 = mod-HCM(r);
5293: DMAR(c1,c2,0,mod,c);
5294: nd_mul_c(mod,rm,c);
5295: } else {
5296: Z t,u;
5297:
5298: chsgnlf(HCZ(r),&t);
5299: divlf(t,HCZ(rm),&u);
5300: nd_mul_c_lf(rm,u);
5301: }
5302: r = nd_add(mod,r,rm);
5303: }
5304: }
5305: }
5306: }
5307: if ( tail ) NEXT(tail) = 0;
5308: d = nd_add(mod,d,r);
5309: nd_mul_c(mod,d,invm(HCM(d),mod));
5310: return ndtondv(mod,d);
5311: }
5312:
5313: void nd_gr_recompute_trace(LIST f,LIST v,int m,struct order_spec *ord,LIST tlist,LIST *rp)
5314: {
5315: VL tv,fv,vv,vc,av;
5316: NODE fd,fd0,r,r0,t,x,s,xx,alist;
5317: int e,max,nvar,i;
5318: NDV b;
5319: int ishomo,nalg;
5320: Alg alpha,dp;
5321: P p,zp;
5322: Q dmy;
5323: LIST f1,f2;
5324: Obj obj;
5325: NumberField nf;
5326: struct order_spec *ord1;
5327: NODE permtrace,intred,ind,perm,trace,ti;
5328: int len,n,j;
5329: NDV *db,*pb;
5330:
5331: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
1.46 noro 5332: parse_nd_option(vv,current_option);
1.1 noro 5333: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
5334: switch ( ord->id ) {
5335: case 1:
5336: if ( ord->nv != nvar )
5337: error("nd_check : invalid order specification");
5338: break;
5339: default:
5340: break;
5341: }
5342: nd_init_ord(ord);
1.6 noro 5343: nd_bpe = ZTOS((Q)ARG7(BDY(tlist)));
1.1 noro 5344: nd_setup_parameters(nvar,0);
5345:
5346: len = length(BDY(f));
5347: db = (NDV *)MALLOC(len*sizeof(NDV *));
5348: for ( i = 0, t = BDY(f); t; i++, t = NEXT(t) ) {
5349: ptozp((P)BDY(t),1,&dmy,&zp);
5350: b = ptondv(CO,vv,zp);
5351: ndv_mod(m,b);
5352: ndv_mul_c(m,b,invm(HCM(b),m));
5353: db[i] = b;
5354: }
5355:
5356: permtrace = BDY((LIST)ARG2(BDY(tlist)));
5357: intred = BDY((LIST)ARG3(BDY(tlist)));
5358: ind = BDY((LIST)ARG4(BDY(tlist)));
5359: perm = BDY((LIST)ARG0(permtrace));
5360: trace = NEXT(permtrace);
5361:
5362: for ( i = length(perm)-1, t = trace; t; t = NEXT(t) ) {
1.6 noro 5363: j = ZTOS((Q)ARG0(BDY((LIST)BDY(t))));
1.1 noro 5364: if ( j > i ) i = j;
5365: }
5366: n = i+1;
5367: pb = (NDV *)MALLOC(n*sizeof(NDV *));
5368: for ( t = perm, i = 0; t; t = NEXT(t), i++ ) {
5369: ti = BDY((LIST)BDY(t));
1.6 noro 5370: pb[ZTOS((Q)ARG0(ti))] = db[ZTOS((Q)ARG1(ti))];
1.1 noro 5371: }
5372: for ( t = trace; t; t = NEXT(t) ) {
5373: ti = BDY((LIST)BDY(t));
1.6 noro 5374: pb[ZTOS((Q)ARG0(ti))] = recompute_trace(BDY((LIST)ARG1(ti)),pb,m);
5375: if ( !pb[ZTOS((Q)ARG0(ti))] ) { *rp = 0; return; }
1.1 noro 5376: if ( DP_Print ) {
5377: fprintf(asir_out,"."); fflush(asir_out);
5378: }
5379: }
5380: for ( t = intred; t; t = NEXT(t) ) {
5381: ti = BDY((LIST)BDY(t));
1.6 noro 5382: pb[ZTOS((Q)ARG0(ti))] = recompute_trace(BDY((LIST)ARG1(ti)),pb,m);
5383: if ( !pb[ZTOS((Q)ARG0(ti))] ) { *rp = 0; return; }
1.1 noro 5384: if ( DP_Print ) {
5385: fprintf(asir_out,"*"); fflush(asir_out);
5386: }
5387: }
5388: for ( r0 = 0, t = ind; t; t = NEXT(t) ) {
5389: NEXTNODE(r0,r);
1.6 noro 5390: b = pb[ZTOS((Q)BDY(t))];
1.1 noro 5391: ndv_mul_c(m,b,invm(HCM(b),m));
5392: #if 0
1.6 noro 5393: BDY(r) = ndvtop(m,CO,vv,pb[ZTOS((Q)BDY(t))]);
1.1 noro 5394: #else
1.6 noro 5395: BDY(r) = ndvtodp(m,pb[ZTOS((Q)BDY(t))]);
1.1 noro 5396: #endif
5397: }
5398: if ( r0 ) NEXT(r) = 0;
5399: MKLIST(*rp,r0);
5400: if ( DP_Print ) fprintf(asir_out,"\n");
5401: }
5402:
1.16 noro 5403: void nd_gr_trace(LIST f,LIST v,int trace,int homo,int retdp,int f4,struct order_spec *ord,LIST *rp)
1.1 noro 5404: {
5405: VL tv,fv,vv,vc,av;
5406: NODE fd,fd0,in0,in,r,r0,t,s,cand,alist;
5407: int m,nocheck,nvar,mindex,e,max;
5408: NDV c;
5409: NMV a;
5410: P p,zp;
5411: Q dmy;
5412: EPOS oepos;
5413: int obpe,oadv,wmax,i,len,cbpe,ishomo,nalg,mrank,trank,ompos;
5414: Alg alpha,dp;
5415: P poly;
5416: LIST f1,f2,zpl;
5417: Obj obj;
5418: NumberField nf;
5419: struct order_spec *ord1;
5420: struct oEGT eg_check,eg0,eg1;
5421: NODE tr,tl1,tl2,tl3,tl4;
5422: LIST l1,l2,l3,l4,l5;
5423: int *perm;
5424: int j,ret;
5425: Z jq,bpe;
1.15 noro 5426: VECT hvect;
1.1 noro 5427:
1.41 noro 5428: NcriB = NcriMF = Ncri2 = 0;
1.1 noro 5429: nd_module = 0;
5430: nd_lf = 0;
1.46 noro 5431: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
5432: parse_nd_option(vv,current_option);
1.1 noro 5433: if ( nd_lf ) {
5434: if ( f4 )
5435: nd_f4_lf_trace(f,v,trace,homo,ord,rp);
5436: else
5437: error("nd_gr_trace is not implemented yet over a large finite field");
5438: return;
5439: }
5440: if ( DP_Multiple )
5441: nd_scale = ((double)DP_Multiple)/(double)(Denominator?Denominator:1);
5442:
5443: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
5444: switch ( ord->id ) {
5445: case 1:
5446: if ( ord->nv != nvar )
5447: error("nd_gr_trace : invalid order specification");
5448: break;
5449: default:
5450: break;
5451: }
5452:
5453: get_algtree((Obj)f,&av);
5454: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
5455: nd_ntrans = nvar;
5456: nd_nalg = nalg;
5457: /* #i -> t#i */
5458: if ( nalg ) {
5459: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
5460: ord = ord1;
5461: f = f1;
5462: }
5463: nvar += nalg;
5464:
5465: nocheck = 0;
5466: mindex = 0;
5467:
5468: if ( Demand ) nd_demand = 1;
5469: else nd_demand = 0;
5470:
5471: /* setup modulus */
5472: if ( trace < 0 ) {
5473: trace = -trace;
5474: nocheck = 1;
5475: }
5476: m = trace > 1 ? trace : get_lprime(mindex);
5477: nd_init_ord(ord);
5478: mrank = 0;
5479: for ( t = BDY(f), max = 1; t; t = NEXT(t) )
5480: for ( tv = vv; tv; tv = NEXT(tv) ) {
5481: if ( nd_module ) {
1.16 noro 5482: if ( OID(BDY(t)) == O_DPM ) {
5483: e = dpm_getdeg((DPM)BDY(t),&trank);
5484: max = MAX(e,max);
5485: mrank = MAX(mrank,trank);
5486: } else {
1.1 noro 5487: s = BDY((LIST)BDY(t));
5488: trank = length(s);
5489: mrank = MAX(mrank,trank);
5490: for ( ; s; s = NEXT(s) ) {
5491: e = getdeg(tv->v,(P)BDY(s));
5492: max = MAX(e,max);
5493: }
1.16 noro 5494: }
1.1 noro 5495: } else {
1.43 noro 5496: if ( OID(BDY(t)) == O_DP ) {
5497: e = dp_getdeg((DP)BDY(t));
5498: max = MAX(e,max);
5499: } else {
1.1 noro 5500: e = getdeg(tv->v,(P)BDY(t));
5501: max = MAX(e,max);
1.43 noro 5502: }
1.1 noro 5503: }
5504: }
5505: nd_setup_parameters(nvar,max);
5506: obpe = nd_bpe; oadv = nmv_adv; oepos = nd_epos; ompos = nd_mpos;
5507: ishomo = 1;
5508: for ( in0 = 0, fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
5509: if ( nd_module ) {
1.16 noro 5510: if ( OID(BDY(t)) == O_DPM ) {
5511: Z cont;
5512: DPM zdpm;
5513:
1.17 noro 5514: if ( !nd_gentrace ) dpm_ptozp((DPM)BDY(t),&cont,&zdpm);
1.16 noro 5515: else zdpm = (DPM)BDY(t);
5516: c = (pointer)dpmtondv(m,zdpm);
5517: } else {
5518: if ( !nd_gentrace ) pltozpl((LIST)BDY(t),&dmy,&zpl);
5519: else zpl = (LIST)BDY(t);
1.1 noro 5520: c = (pointer)pltondv(CO,vv,zpl);
1.16 noro 5521: }
1.1 noro 5522: } else {
1.43 noro 5523: if ( OID(BDY(t)) == O_DP ) {
5524: DP zdp;
5525:
5526: if ( !nd_gentrace ) dp_ptozp((DP)BDY(t),&zdp);
5527: else zdp = (DP)BDY(t);
5528: c = (pointer)dptondv(m,zdp);
5529: } else {
5530: if ( !nd_gentrace ) ptozp((P)BDY(t),1,&dmy,&zp);
5531: else zp = (P)BDY(t);
5532: c = (pointer)ptondv(CO,vv,zp);
5533: }
1.1 noro 5534: }
5535: if ( ishomo )
5536: ishomo = ishomo && ndv_ishomo(c);
5537: if ( c ) {
5538: NEXTNODE(in0,in); BDY(in) = (pointer)c;
5539: NEXTNODE(fd0,fd); BDY(fd) = (pointer)ndv_dup(0,c);
5540: }
5541: }
5542: if ( in0 ) NEXT(in) = 0;
5543: if ( fd0 ) NEXT(fd) = 0;
5544: if ( !ishomo && homo ) {
5545: for ( t = in0, wmax = max; t; t = NEXT(t) ) {
5546: c = (NDV)BDY(t); len = LEN(c);
5547: for ( a = BDY(c), i = 0; i < len; i++, NMV_ADV(a) )
5548: wmax = MAX(TD(DL(a)),wmax);
5549: }
5550: homogenize_order(ord,nvar,&ord1);
5551: nd_init_ord(ord1);
5552: nd_setup_parameters(nvar+1,wmax);
5553: for ( t = fd0; t; t = NEXT(t) )
5554: ndv_homogenize((NDV)BDY(t),obpe,oadv,oepos,ompos);
5555: }
5556: if ( MaxDeg > 0 ) nocheck = 1;
5557: while ( 1 ) {
5558: tl1 = tl2 = tl3 = tl4 = 0;
5559: if ( Demand )
5560: nd_demand = 1;
1.24 noro 5561: ret = ndv_setup(m,1,fd0,nd_gbblock?1:0,0,0);
1.1 noro 5562: if ( nd_gentrace ) {
5563: MKLIST(l1,nd_tracelist); MKNODE(nd_alltracelist,l1,0);
5564: }
5565: if ( ret )
5566: cand = f4?nd_f4_trace(m,&perm):nd_gb_trace(m,ishomo || homo,&perm);
5567: if ( !ret || !cand ) {
5568: /* failure */
5569: if ( trace > 1 ) { *rp = 0; return; }
5570: else m = get_lprime(++mindex);
5571: continue;
5572: }
1.15 noro 5573: if ( nd_gentrace ) {
5574: MKVECT(hvect,nd_psn);
5575: for ( i = 0; i < nd_psn; i++ )
5576: ndltodp(nd_psh[i]->dl,(DP *)&BDY(hvect)[i]);
5577: }
1.1 noro 5578: if ( !ishomo && homo ) {
5579: /* dehomogenization */
5580: for ( t = cand; t; t = NEXT(t) ) ndv_dehomogenize((NDV)BDY(t),ord);
5581: nd_init_ord(ord);
5582: nd_setup_parameters(nvar,0);
5583: }
5584: nd_demand = 0;
5585: cand = ndv_reducebase(cand,perm);
5586: if ( nd_gentrace ) { tl1 = nd_alltracelist; nd_alltracelist = 0; }
5587: cand = ndv_reduceall(0,cand);
5588: cbpe = nd_bpe;
5589: if ( nd_gentrace ) { tl2 = nd_alltracelist; nd_alltracelist = 0; }
5590: get_eg(&eg0);
5591: if ( nocheck )
5592: break;
5593: if ( (ret = ndv_check_membership(0,in0,obpe,oadv,oepos,cand)) != 0 ) {
5594: if ( nd_gentrace ) {
5595: tl3 = nd_alltracelist; nd_alltracelist = 0;
5596: } else tl3 = 0;
5597: /* gbcheck : cand is a GB of Id(cand) ? */
5598: if ( nd_vc || nd_gentrace || nd_gensyz )
5599: ret = nd_gb(0,0,1,nd_gensyz?1:0,0)!=0;
5600: else
5601: ret = nd_f4(0,1,0)!=0;
5602: if ( nd_gentrace && nd_gensyz ) {
5603: tl4 = nd_alltracelist; nd_alltracelist = 0;
5604: } else tl4 = 0;
5605: }
5606: if ( ret ) break;
5607: else if ( trace > 1 ) {
5608: /* failure */
5609: *rp = 0; return;
5610: } else {
5611: /* try the next modulus */
5612: m = get_lprime(++mindex);
5613: /* reset the parameters */
5614: if ( !ishomo && homo ) {
5615: nd_init_ord(ord1);
5616: nd_setup_parameters(nvar+1,wmax);
5617: } else {
5618: nd_init_ord(ord);
5619: nd_setup_parameters(nvar,max);
5620: }
5621: }
5622: }
5623: get_eg(&eg1); init_eg(&eg_check); add_eg(&eg_check,&eg0,&eg1);
5624: if ( DP_Print )
1.6 noro 5625: fprintf(asir_out,"check=%.3fsec\n",eg_check.exectime);
1.1 noro 5626: /* dp->p */
5627: nd_bpe = cbpe;
5628: nd_setup_parameters(nd_nvar,0);
5629: for ( r = cand; r; r = NEXT(r) ) {
1.16 noro 5630: if ( nd_module ) {
1.17 noro 5631: if ( retdp ) BDY(r) = ndvtodpm(0,BDY(r));
1.16 noro 5632: else BDY(r) = ndvtopl(0,CO,vv,BDY(r),mrank);
1.17 noro 5633: } else if ( retdp ) BDY(r) = ndvtodp(0,BDY(r));
5634: else BDY(r) = (pointer)ndvtop(0,CO,vv,BDY(r));
1.1 noro 5635: }
5636: if ( nd_nalg )
5637: cand = postprocess_algcoef(av,alist,cand);
5638: MKLIST(*rp,cand);
5639: if ( nd_gentrace ) {
5640: tl1 = reverse_node(tl1); tl2 = reverse_node(tl2);
5641: tl3 = reverse_node(tl3);
5642: /* tl2 = [[i,[[*,j,*,*],...]],...] */
5643: for ( t = tl2; t; t = NEXT(t) ) {
5644: /* s = [i,[*,j,*,*],...] */
5645: s = BDY((LIST)BDY(t));
1.6 noro 5646: j = perm[ZTOS((Q)ARG0(s))]; STOZ(j,jq); ARG0(s) = (pointer)jq;
1.1 noro 5647: for ( s = BDY((LIST)ARG1(s)); s; s = NEXT(s) ) {
1.6 noro 5648: j = perm[ZTOS((Q)ARG1(BDY((LIST)BDY(s))))]; STOZ(j,jq);
1.1 noro 5649: ARG1(BDY((LIST)BDY(s))) = (pointer)jq;
5650: }
5651: }
5652: for ( j = length(cand)-1, t = 0; j >= 0; j-- ) {
1.6 noro 5653: STOZ(perm[j],jq); MKNODE(s,jq,t); t = s;
1.1 noro 5654: }
5655: MKLIST(l1,tl1); MKLIST(l2,tl2); MKLIST(l3,t); MKLIST(l4,tl3);
5656: MKLIST(l5,tl4);
1.6 noro 5657: STOZ(nd_bpe,bpe);
1.15 noro 5658: tr = mknode(9,*rp,(!ishomo&&homo)?ONE:0,l1,l2,l3,l4,l5,bpe,hvect); MKLIST(*rp,tr);
1.1 noro 5659: }
5660: }
5661:
5662: /* XXX : module element is not considered */
5663:
5664: void dltondl(int n,DL dl,UINT *r)
5665: {
5666: UINT *d;
5667: int i,j,l,s,ord_l;
5668: struct order_pair *op;
5669:
5670: d = (unsigned int *)dl->d;
5671: for ( i = 0; i < nd_wpd; i++ ) r[i] = 0;
5672: if ( nd_blockmask ) {
5673: l = nd_blockmask->n;
5674: op = nd_blockmask->order_pair;
5675: for ( j = 0, s = 0; j < l; j++ ) {
5676: ord_l = op[j].length;
5677: for ( i = 0; i < ord_l; i++, s++ ) PUT_EXP(r,s,d[s]);
5678: }
5679: TD(r) = ndl_weight(r);
5680: ndl_weight_mask(r);
5681: } else {
5682: for ( i = 0; i < n; i++ ) PUT_EXP(r,i,d[i]);
5683: TD(r) = ndl_weight(r);
5684: }
5685: }
5686:
5687: DL ndltodl(int n,UINT *ndl)
5688: {
5689: DL dl;
5690: int *d;
5691: int i,j,l,s,ord_l;
5692: struct order_pair *op;
5693:
1.33 noro 5694: NEWDL_NOINIT(dl,n);
1.1 noro 5695: dl->td = TD(ndl);
5696: d = dl->d;
5697: if ( nd_blockmask ) {
5698: l = nd_blockmask->n;
5699: op = nd_blockmask->order_pair;
5700: for ( j = 0, s = 0; j < l; j++ ) {
5701: ord_l = op[j].length;
5702: for ( i = 0; i < ord_l; i++, s++ ) d[s] = GET_EXP(ndl,s);
5703: }
5704: } else {
5705: for ( i = 0; i < n; i++ ) d[i] = GET_EXP(ndl,i);
5706: }
5707: return dl;
5708: }
5709:
1.24 noro 5710: void _ndltodl(UINT *ndl,DL dl)
5711: {
5712: int *d;
5713: int i,j,l,s,ord_l,n;
5714: struct order_pair *op;
5715:
5716: n = nd_nvar;
5717: dl->td = TD(ndl);
5718: d = dl->d;
5719: if ( nd_blockmask ) {
5720: l = nd_blockmask->n;
5721: op = nd_blockmask->order_pair;
5722: for ( j = 0, s = 0; j < l; j++ ) {
5723: ord_l = op[j].length;
5724: for ( i = 0; i < ord_l; i++, s++ ) d[s] = GET_EXP(ndl,s);
5725: }
5726: } else {
5727: for ( i = 0; i < n; i++ ) d[i] = GET_EXP(ndl,i);
5728: }
5729: }
5730:
1.1 noro 5731: void nmtodp(int mod,NM m,DP *r)
5732: {
5733: DP dp;
5734: MP mr;
5735:
5736: NEWMP(mr);
5737: mr->dl = ndltodl(nd_nvar,DL(m));
5738: mr->c = (Obj)ndctop(mod,m->c);
5739: NEXT(mr) = 0; MKDP(nd_nvar,mr,dp); dp->sugar = mr->dl->td;
5740: *r = dp;
5741: }
5742:
1.15 noro 5743: void ndltodp(UINT *d,DP *r)
5744: {
5745: DP dp;
5746: MP mr;
5747:
5748: NEWMP(mr);
5749: mr->dl = ndltodl(nd_nvar,d);
5750: mr->c = (Obj)ONE;
5751: NEXT(mr) = 0; MKDP(nd_nvar,mr,dp); dp->sugar = mr->dl->td;
5752: *r = dp;
5753: }
5754:
1.1 noro 5755: void ndl_print(UINT *dl)
5756: {
5757: int n;
5758: int i,j,l,ord_l,s,s0;
5759: struct order_pair *op;
5760:
5761: n = nd_nvar;
5762: printf("<<");
5763: if ( nd_blockmask ) {
5764: l = nd_blockmask->n;
5765: op = nd_blockmask->order_pair;
5766: for ( j = 0, s = s0 = 0; j < l; j++ ) {
5767: ord_l = op[j].length;
5768: for ( i = 0; i < ord_l; i++, s++ )
5769: printf(s==n-1?"%d":"%d,",GET_EXP(dl,s));
5770: }
5771: } else {
5772: for ( i = 0; i < n; i++ ) printf(i==n-1?"%d":"%d,",GET_EXP(dl,i));
5773: }
5774: printf(">>");
5775: if ( nd_module && MPOS(dl) )
5776: printf("*e%d",MPOS(dl));
5777: }
5778:
5779: void nd_print(ND p)
5780: {
5781: NM m;
5782:
5783: if ( !p )
5784: printf("0\n");
5785: else {
5786: for ( m = BDY(p); m; m = NEXT(m) ) {
5787: if ( CM(m) & 0x80000000 ) printf("+@_%d*",IFTOF(CM(m)));
1.28 noro 5788: else printf("+%ld*",CM(m));
1.1 noro 5789: ndl_print(DL(m));
5790: }
5791: printf("\n");
5792: }
5793: }
5794:
5795: void nd_print_q(ND p)
5796: {
5797: NM m;
5798:
5799: if ( !p )
5800: printf("0\n");
5801: else {
5802: for ( m = BDY(p); m; m = NEXT(m) ) {
5803: printf("+");
1.6 noro 5804: printexpr(CO,(Obj)CZ(m));
1.1 noro 5805: printf("*");
5806: ndl_print(DL(m));
5807: }
5808: printf("\n");
5809: }
5810: }
5811:
5812: void ndp_print(ND_pairs d)
5813: {
5814: ND_pairs t;
5815:
5816: for ( t = d; t; t = NEXT(t) ) printf("%d,%d ",t->i1,t->i2);
5817: printf("\n");
5818: }
5819:
5820: void nd_removecont(int mod,ND p)
5821: {
5822: int i,n;
5823: Z *w;
5824: NM m;
5825: struct oVECT v;
5826:
5827: if ( mod == -1 ) nd_mul_c(mod,p,_invsf(HCM(p)));
5828: else if ( mod == -2 ) {
5829: Z inv;
5830: divlf(ONE,HCZ(p),&inv);
5831: nd_mul_c_lf(p,inv);
5832: } else if ( mod ) nd_mul_c(mod,p,invm(HCM(p),mod));
5833: else {
5834: for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ );
5835: w = (Z *)MALLOC(n*sizeof(Q));
5836: v.len = n;
5837: v.body = (pointer *)w;
1.6 noro 5838: for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) w[i] = CZ(m);
1.1 noro 5839: removecont_array((P *)w,n,1);
1.6 noro 5840: for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) CZ(m) = w[i];
1.1 noro 5841: }
5842: }
5843:
5844: void nd_removecont2(ND p1,ND p2)
5845: {
5846: int i,n1,n2,n;
5847: Z *w;
5848: NM m;
5849: struct oVECT v;
5850:
5851: n1 = nd_length(p1);
5852: n2 = nd_length(p2);
5853: n = n1+n2;
5854: w = (Z *)MALLOC(n*sizeof(Q));
5855: v.len = n;
5856: v.body = (pointer *)w;
5857: i = 0;
5858: if ( p1 )
1.6 noro 5859: for ( m = BDY(p1); i < n1; m = NEXT(m), i++ ) w[i] = CZ(m);
1.1 noro 5860: if ( p2 )
1.6 noro 5861: for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) w[i] = CZ(m);
1.1 noro 5862: removecont_array((P *)w,n,1);
5863: i = 0;
5864: if ( p1 )
1.6 noro 5865: for ( m = BDY(p1); i < n1; m = NEXT(m), i++ ) CZ(m) = w[i];
1.1 noro 5866: if ( p2 )
1.6 noro 5867: for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) CZ(m) = w[i];
1.1 noro 5868: }
5869:
5870: void ndv_removecont(int mod,NDV p)
5871: {
5872: int i,len,all_p;
5873: Z *c;
5874: P *w;
5875: Z dvr,t;
5876: P g,cont,tp;
5877: NMV m;
5878:
5879: if ( mod == -1 )
5880: ndv_mul_c(mod,p,_invsf(HCM(p)));
5881: else if ( mod == -2 ) {
5882: Z inv;
5883: divlf(ONE,HCZ(p),&inv);
5884: ndv_mul_c_lf(p,inv);
5885: } else if ( mod )
5886: ndv_mul_c(mod,p,invm(HCM(p),mod));
5887: else {
5888: len = p->len;
5889: w = (P *)MALLOC(len*sizeof(P));
5890: c = (Z *)MALLOC(len*sizeof(Q));
5891: for ( m = BDY(p), all_p = 1, i = 0; i < len; NMV_ADV(m), i++ ) {
5892: ptozp(CP(m),1,(Q *)&c[i],&w[i]);
5893: all_p = all_p && !NUM(w[i]);
5894: }
5895: if ( all_p ) {
5896: qltozl((Q *)c,len,&dvr); nd_heu_nezgcdnpz(nd_vc,w,len,1,&g);
5897: mulp(nd_vc,(P)dvr,g,&cont);
5898: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) {
5899: divsp(nd_vc,CP(m),cont,&tp); CP(m) = tp;
5900: }
5901: } else {
5902: sortbynm((Q *)c,len);
5903: qltozl((Q *)c,len,&dvr);
5904: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) {
5905: divsp(nd_vc,CP(m),(P)dvr,&tp); CP(m) = tp;
5906: }
5907: }
5908: }
5909: }
5910:
5911: /* koko */
5912:
5913: void ndv_homogenize(NDV p,int obpe,int oadv,EPOS oepos,int ompos)
5914: {
5915: int len,i,max;
5916: NMV m,mr0,mr,t;
5917:
5918: len = p->len;
1.14 noro 5919: for ( m = BDY(p), i = 0, max = 0; i < len; NMV_OADV(m), i++ )
1.1 noro 5920: max = MAX(max,TD(DL(m)));
5921: mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p);
5922: m = (NMV)((char *)mr0+(len-1)*oadv);
5923: mr = (NMV)((char *)mr0+(len-1)*nmv_adv);
5924: t = (NMV)MALLOC(nmv_adv);
5925: for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {
5926: ndl_homogenize(DL(m),DL(t),obpe,oepos,ompos,max);
1.6 noro 5927: CZ(mr) = CZ(m);
1.1 noro 5928: ndl_copy(DL(t),DL(mr));
5929: }
5930: NV(p)++;
5931: BDY(p) = mr0;
5932: }
5933:
5934: void ndv_dehomogenize(NDV p,struct order_spec *ord)
5935: {
5936: int i,j,adj,len,newnvar,newwpd,newadv,newexporigin,newmpos;
5937: int pos;
5938: Q *w;
5939: Q dvr,t;
5940: NMV m,r;
5941:
5942: len = p->len;
5943: newnvar = nd_nvar-1;
5944: newexporigin = nd_get_exporigin(ord);
5945: if ( nd_module ) newmpos = newexporigin-1;
5946: newwpd = newnvar/nd_epw+(newnvar%nd_epw?1:0)+newexporigin;
5947: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ )
5948: ndl_dehomogenize(DL(m));
5949: if ( newwpd != nd_wpd ) {
5950: newadv = ROUND_FOR_ALIGN(sizeof(struct oNMV)+(newwpd-1)*sizeof(UINT));
5951: for ( m = r = BDY(p), i = 0; i < len; NMV_ADV(m), NDV_NADV(r), i++ ) {
1.6 noro 5952: CZ(r) = CZ(m);
1.1 noro 5953: if ( nd_module ) pos = MPOS(DL(m));
5954: for ( j = 0; j < newexporigin; j++ ) DL(r)[j] = DL(m)[j];
5955: adj = nd_exporigin-newexporigin;
5956: for ( ; j < newwpd; j++ ) DL(r)[j] = DL(m)[j+adj];
5957: if ( nd_module ) {
5958: DL(r)[newmpos] = pos;
5959: }
5960: }
5961: }
5962: NV(p)--;
5963: }
5964:
5965: void nd_heu_nezgcdnpz(VL vl,P *pl,int m,int full,P *pr)
5966: {
5967: int i;
5968: P *tpl,*tpl1;
5969: NODE l;
5970: P h,gcd,t;
5971:
5972: tpl = (P *)MALLOC(m*sizeof(P));
5973: tpl1 = (P *)MALLOC(m*sizeof(P));
5974: bcopy(pl,tpl,m*sizeof(P));
5975: gcd = (P)ONE;
5976: for ( l = nd_hcf; l; l = NEXT(l) ) {
5977: h = (P)BDY(l);
5978: while ( 1 ) {
5979: for ( i = 0; i < m; i++ )
5980: if ( !divtpz(vl,tpl[i],h,&tpl1[i]) )
5981: break;
5982: if ( i == m ) {
5983: bcopy(tpl1,tpl,m*sizeof(P));
5984: mulp(vl,gcd,h,&t); gcd = t;
5985: } else
5986: break;
5987: }
5988: }
5989: if ( DP_Print > 2 ){fprintf(asir_out,"[%d]",nmonop(gcd)); fflush(asir_out);}
5990: if ( full ) {
5991: heu_nezgcdnpz(vl,tpl,m,&t);
5992: mulp(vl,gcd,t,pr);
5993: } else
5994: *pr = gcd;
5995: }
5996:
5997: void removecont_array(P *p,int n,int full)
5998: {
5999: int all_p,all_q,i;
6000: Z *c;
6001: P *w;
6002: P t,s;
6003:
6004: for ( all_q = 1, i = 0; i < n; i++ )
6005: all_q = all_q && NUM(p[i]);
6006: if ( all_q ) {
6007: removecont_array_q((Z *)p,n);
6008: } else {
6009: c = (Z *)MALLOC(n*sizeof(Z));
6010: w = (P *)MALLOC(n*sizeof(P));
6011: for ( i = 0; i < n; i++ ) {
6012: ptozp(p[i],1,(Q *)&c[i],&w[i]);
6013: }
6014: removecont_array_q(c,n);
6015: nd_heu_nezgcdnpz(nd_vc,w,n,full,&t);
6016: for ( i = 0; i < n; i++ ) {
6017: divsp(nd_vc,w[i],t,&s); mulp(nd_vc,s,(P)c[i],&p[i]);
6018: }
6019: }
6020: }
6021:
6022: /* c is an int array */
6023:
6024: void removecont_array_q(Z *c,int n)
6025: {
6026: struct oVECT v;
6027: Z d0,d1,a,u,u1,gcd;
6028: int i,j;
6029: Z *q,*r;
6030:
6031: q = (Z *)MALLOC(n*sizeof(Z));
6032: r = (Z *)MALLOC(n*sizeof(Z));
6033: v.id = O_VECT; v.len = n; v.body = (pointer *)c;
6034: gcdvz_estimate(&v,&d0);
6035: for ( i = 0; i < n; i++ ) {
6036: divqrz(c[i],d0,&q[i],&r[i]);
6037: }
6038: for ( i = 0; i < n; i++ ) if ( r[i] ) break;
6039: if ( i < n ) {
6040: v.id = O_VECT; v.len = n; v.body = (pointer *)r;
6041: gcdvz(&v,&d1);
6042: gcdz(d0,d1,&gcd);
1.6 noro 6043: /* exact division */
6044: divsz(d0,gcd,&a);
1.1 noro 6045: for ( i = 0; i < n; i++ ) {
6046: mulz(a,q[i],&u);
6047: if ( r[i] ) {
1.6 noro 6048: /* exact division */
6049: divsz(r[i],gcd,&u1);
1.1 noro 6050: addz(u,u1,&q[i]);
6051: } else
6052: q[i] = u;
6053: }
6054: }
6055: for ( i = 0; i < n; i++ ) c[i] = q[i];
6056: }
6057:
1.4 noro 6058: void gcdv_mpz_estimate(mpz_t d0,mpz_t *c,int n);
6059:
6060: void mpz_removecont_array(mpz_t *c,int n)
6061: {
6062: mpz_t d0,a,u,u1,gcd;
6063: int i,j;
1.13 noro 6064: static mpz_t *q,*r;
6065: static int c_len = 0;
1.4 noro 6066:
6067: for ( i = 0; i < n; i++ )
6068: if ( mpz_sgn(c[i]) ) break;
6069: if ( i == n ) return;
6070: gcdv_mpz_estimate(d0,c,n);
1.13 noro 6071: if ( n > c_len ) {
6072: q = (mpz_t *)MALLOC(n*sizeof(mpz_t));
6073: r = (mpz_t *)MALLOC(n*sizeof(mpz_t));
6074: c_len = n;
6075: }
1.4 noro 6076: for ( i = 0; i < n; i++ ) {
6077: mpz_init(q[i]); mpz_init(r[i]);
6078: mpz_fdiv_qr(q[i],r[i],c[i],d0);
6079: }
6080: for ( i = 0; i < n; i++ )
6081: if ( mpz_sgn(r[i]) ) break;
6082: mpz_init(gcd); mpz_init(a); mpz_init(u); mpz_init(u1);
6083: if ( i < n ) {
6084: mpz_gcd(gcd,d0,r[i]);
6085: for ( j = i+1; j < n; j++ ) mpz_gcd(gcd,gcd,r[j]);
6086: mpz_div(a,d0,gcd);
6087: for ( i = 0; i < n; i++ ) {
6088: mpz_mul(u,a,q[i]);
6089: if ( mpz_sgn(r[i]) ) {
6090: mpz_div(u1,r[i],gcd);
6091: mpz_add(q[i],u,u1);
6092: } else
6093: mpz_set(q[i],u);
6094: }
6095: }
6096: for ( i = 0; i < n; i++ )
6097: mpz_set(c[i],q[i]);
6098: }
6099:
1.1 noro 6100: void nd_mul_c(int mod,ND p,int mul)
6101: {
6102: NM m;
6103: int c,c1;
6104:
6105: if ( !p ) return;
6106: if ( mul == 1 ) return;
6107: if ( mod == -1 )
6108: for ( m = BDY(p); m; m = NEXT(m) )
6109: CM(m) = _mulsf(CM(m),mul);
6110: else
6111: for ( m = BDY(p); m; m = NEXT(m) ) {
6112: c1 = CM(m); DMAR(c1,mul,0,mod,c); CM(m) = c;
6113: }
6114: }
6115:
6116: void nd_mul_c_lf(ND p,Z mul)
6117: {
6118: NM m;
6119: Z c;
6120:
6121: if ( !p ) return;
6122: if ( UNIZ(mul) ) return;
6123: for ( m = BDY(p); m; m = NEXT(m) ) {
6124: mullf(CZ(m),mul,&c); CZ(m) = c;
6125: }
6126: }
6127:
6128: void nd_mul_c_q(ND p,P mul)
6129: {
6130: NM m;
6131: P c;
6132:
6133: if ( !p ) return;
6134: if ( UNIQ(mul) ) return;
6135: for ( m = BDY(p); m; m = NEXT(m) ) {
6136: mulp(nd_vc,CP(m),mul,&c); CP(m) = c;
6137: }
6138: }
6139:
6140: void nd_mul_c_p(VL vl,ND p,P mul)
6141: {
6142: NM m;
6143: P c;
6144:
6145: if ( !p ) return;
6146: for ( m = BDY(p); m; m = NEXT(m) ) {
6147: mulp(vl,CP(m),mul,&c); CP(m) = c;
6148: }
6149: }
6150:
6151: void nd_free(ND p)
6152: {
6153: NM t,s;
6154:
6155: if ( !p ) return;
6156: t = BDY(p);
6157: while ( t ) {
6158: s = NEXT(t);
6159: FREENM(t);
6160: t = s;
6161: }
6162: FREEND(p);
6163: }
6164:
6165: void ndv_free(NDV p)
6166: {
6167: GCFREE(BDY(p));
6168: }
6169:
6170: void nd_append_red(UINT *d,int i)
6171: {
6172: RHist m,m0;
6173: int h;
6174:
6175: NEWRHist(m);
6176: h = ndl_hash_value(d);
6177: m->index = i;
6178: ndl_copy(d,DL(m));
6179: NEXT(m) = nd_red[h];
6180: nd_red[h] = m;
6181: }
6182:
6183: UINT *ndv_compute_bound(NDV p)
6184: {
6185: UINT *d1,*d2,*t;
6186: UINT u;
6187: int i,j,k,l,len,ind;
6188: NMV m;
6189:
6190: if ( !p )
6191: return 0;
6192: d1 = (UINT *)MALLOC(nd_wpd*sizeof(UINT));
6193: d2 = (UINT *)MALLOC(nd_wpd*sizeof(UINT));
6194: len = LEN(p);
6195: m = BDY(p); ndl_copy(DL(m),d1); NMV_ADV(m);
6196: for ( i = 1; i < len; i++, NMV_ADV(m) ) {
6197: ndl_max(DL(m),d1,d2);
6198: t = d1; d1 = d2; d2 = t;
6199: }
6200: l = nd_nvar+31;
6201: t = (UINT *)MALLOC_ATOMIC(l*sizeof(UINT));
6202: for ( i = nd_exporigin, ind = 0; i < nd_wpd; i++ ) {
6203: u = d1[i];
6204: k = (nd_epw-1)*nd_bpe;
6205: for ( j = 0; j < nd_epw; j++, k -= nd_bpe, ind++ )
6206: t[ind] = (u>>k)&nd_mask0;
6207: }
6208: for ( ; ind < l; ind++ ) t[ind] = 0;
6209: return t;
6210: }
6211:
6212: UINT *nd_compute_bound(ND p)
6213: {
6214: UINT *d1,*d2,*t;
6215: UINT u;
6216: int i,j,k,l,len,ind;
6217: NM m;
6218:
6219: if ( !p )
6220: return 0;
6221: d1 = (UINT *)MALLOC(nd_wpd*sizeof(UINT));
6222: d2 = (UINT *)MALLOC(nd_wpd*sizeof(UINT));
6223: len = LEN(p);
6224: m = BDY(p); ndl_copy(DL(m),d1); m = NEXT(m);
6225: for ( m = NEXT(m); m; m = NEXT(m) ) {
6226: ndl_lcm(DL(m),d1,d2);
6227: t = d1; d1 = d2; d2 = t;
6228: }
6229: l = nd_nvar+31;
6230: t = (UINT *)MALLOC_ATOMIC(l*sizeof(UINT));
6231: for ( i = nd_exporigin, ind = 0; i < nd_wpd; i++ ) {
6232: u = d1[i];
6233: k = (nd_epw-1)*nd_bpe;
6234: for ( j = 0; j < nd_epw; j++, k -= nd_bpe, ind++ )
6235: t[ind] = (u>>k)&nd_mask0;
6236: }
6237: for ( ; ind < l; ind++ ) t[ind] = 0;
6238: return t;
6239: }
6240:
6241: /* if nd_module == 1 then d[nd_exporigin-1] indicates the position */
6242: /* of a term. In this case we need additional 1 word. */
6243:
6244: int nd_get_exporigin(struct order_spec *ord)
6245: {
6246: switch ( ord->id ) {
1.21 noro 6247: case 0: case 2: case 256: case 258: case 300:
1.1 noro 6248: return 1+nd_module;
6249: case 1: case 257:
6250: /* block order */
6251: /* poly ring d[0]:weight d[1]:w0,...,d[nd_exporigin-1]:w(n-1) */
6252: /* module d[0]:weight d[1]:w0,...,d[nd_exporigin-2]:w(n-1) */
6253: return ord->ord.block.length+1+nd_module;
6254: case 3: case 259:
6255: #if 0
6256: error("nd_get_exporigin : composite order is not supported yet.");
6257: #else
6258: return 1+nd_module;
6259: #endif
6260: default:
6261: error("nd_get_exporigin : ivalid argument.");
6262: return 0;
6263: }
6264: }
6265:
6266: void nd_setup_parameters(int nvar,int max) {
6267: int i,j,n,elen,ord_o,ord_l,l,s,wpd;
6268: struct order_pair *op;
1.45 noro 6269: extern int CNVars;
1.1 noro 6270:
6271: nd_nvar = nvar;
1.45 noro 6272: CNVars = nvar;
1.1 noro 6273: if ( max ) {
6274: /* XXX */
6275: if ( do_weyl ) nd_bpe = 32;
6276: else if ( max < 2 ) nd_bpe = 1;
6277: else if ( max < 4 ) nd_bpe = 2;
6278: else if ( max < 8 ) nd_bpe = 3;
6279: else if ( max < 16 ) nd_bpe = 4;
6280: else if ( max < 32 ) nd_bpe = 5;
6281: else if ( max < 64 ) nd_bpe = 6;
6282: else if ( max < 256 ) nd_bpe = 8;
6283: else if ( max < 1024 ) nd_bpe = 10;
6284: else if ( max < 65536 ) nd_bpe = 16;
6285: else nd_bpe = 32;
6286: }
6287: if ( !do_weyl && weight_check && (current_dl_weight_vector || nd_matrix) ) {
6288: UINT t;
6289: int st;
6290: int *v;
6291: /* t = max(weights) */
6292: t = 0;
6293: if ( current_dl_weight_vector )
6294: for ( i = 0, t = 0; i < nd_nvar; i++ ) {
6295: if ( (st=current_dl_weight_vector[i]) < 0 ) st = -st;
6296: if ( t < st ) t = st;
6297: }
6298: if ( nd_matrix )
6299: for ( i = 0; i < nd_matrix_len; i++ )
6300: for ( j = 0, v = nd_matrix[i]; j < nd_nvar; j++ ) {
6301: if ( (st=v[j]) < 0 ) st = -st;
6302: if ( t < st ) t = st;
6303: }
6304: /* i = bitsize of t */
6305: for ( i = 0; t; t >>=1, i++ );
6306: /* i += bitsize of nd_nvar */
6307: for ( t = nd_nvar; t; t >>=1, i++);
6308: /* nd_bpe+i = bitsize of max(weights)*max(exp)*nd_nvar */
6309: if ( (nd_bpe+i) >= 31 )
6310: error("nd_setup_parameters : too large weight");
6311: }
6312: nd_epw = (sizeof(UINT)*8)/nd_bpe;
6313: elen = nd_nvar/nd_epw+(nd_nvar%nd_epw?1:0);
6314: nd_exporigin = nd_get_exporigin(nd_ord);
6315: wpd = nd_exporigin+elen;
6316: if ( nd_module )
6317: nd_mpos = nd_exporigin-1;
6318: else
6319: nd_mpos = -1;
6320: if ( wpd != nd_wpd ) {
6321: nd_free_private_storage();
6322: nd_wpd = wpd;
6323: }
6324: if ( nd_bpe < 32 ) {
6325: nd_mask0 = (1<<nd_bpe)-1;
6326: } else {
6327: nd_mask0 = 0xffffffff;
6328: }
6329: bzero(nd_mask,sizeof(nd_mask));
6330: nd_mask1 = 0;
6331: for ( i = 0; i < nd_epw; i++ ) {
6332: nd_mask[nd_epw-i-1] = (nd_mask0<<(i*nd_bpe));
6333: nd_mask1 |= (1<<(nd_bpe-1))<<(i*nd_bpe);
6334: }
6335: nmv_adv = ROUND_FOR_ALIGN(sizeof(struct oNMV)+(nd_wpd-1)*sizeof(UINT));
6336: nd_epos = nd_create_epos(nd_ord);
6337: nd_blockmask = nd_create_blockmask(nd_ord);
6338: nd_work_vector = (int *)REALLOC(nd_work_vector,nd_nvar*sizeof(int));
6339: }
6340:
6341: ND_pairs nd_reconstruct(int trace,ND_pairs d)
6342: {
6343: int i,obpe,oadv,h;
6344: static NM prev_nm_free_list;
6345: static ND_pairs prev_ndp_free_list;
6346: RHist mr0,mr;
6347: RHist r;
6348: RHist *old_red;
6349: ND_pairs s0,s,t;
6350: EPOS oepos;
6351:
6352: obpe = nd_bpe;
6353: oadv = nmv_adv;
6354: oepos = nd_epos;
6355: if ( obpe < 2 ) nd_bpe = 2;
6356: else if ( obpe < 3 ) nd_bpe = 3;
6357: else if ( obpe < 4 ) nd_bpe = 4;
6358: else if ( obpe < 5 ) nd_bpe = 5;
6359: else if ( obpe < 6 ) nd_bpe = 6;
6360: else if ( obpe < 8 ) nd_bpe = 8;
6361: else if ( obpe < 10 ) nd_bpe = 10;
6362: else if ( obpe < 16 ) nd_bpe = 16;
6363: else if ( obpe < 32 ) nd_bpe = 32;
6364: else error("nd_reconstruct : exponent too large");
6365:
6366: nd_setup_parameters(nd_nvar,0);
6367: prev_nm_free_list = _nm_free_list;
6368: prev_ndp_free_list = _ndp_free_list;
6369: _nm_free_list = 0;
6370: _ndp_free_list = 0;
6371: for ( i = nd_psn-1; i >= 0; i-- ) {
6372: ndv_realloc(nd_ps[i],obpe,oadv,oepos);
6373: ndv_realloc(nd_ps_sym[i],obpe,oadv,oepos);
6374: }
6375: if ( trace )
6376: for ( i = nd_psn-1; i >= 0; i-- ) {
6377: ndv_realloc(nd_ps_trace[i],obpe,oadv,oepos);
6378: ndv_realloc(nd_ps_trace_sym[i],obpe,oadv,oepos);
6379: }
6380: s0 = 0;
6381: for ( t = d; t; t = NEXT(t) ) {
6382: NEXTND_pairs(s0,s);
6383: s->i1 = t->i1;
6384: s->i2 = t->i2;
1.24 noro 6385: s->sig = t->sig;
1.1 noro 6386: SG(s) = SG(t);
6387: ndl_reconstruct(LCM(t),LCM(s),obpe,oepos);
6388: }
6389:
6390: old_red = (RHist *)MALLOC(REDTAB_LEN*sizeof(RHist));
6391: for ( i = 0; i < REDTAB_LEN; i++ ) {
6392: old_red[i] = nd_red[i];
6393: nd_red[i] = 0;
6394: }
6395: for ( i = 0; i < REDTAB_LEN; i++ )
6396: for ( r = old_red[i]; r; r = NEXT(r) ) {
6397: NEWRHist(mr);
6398: mr->index = r->index;
6399: SG(mr) = SG(r);
6400: ndl_reconstruct(DL(r),DL(mr),obpe,oepos);
6401: h = ndl_hash_value(DL(mr));
6402: NEXT(mr) = nd_red[h];
6403: nd_red[h] = mr;
1.24 noro 6404: mr->sig = r->sig;
1.1 noro 6405: }
6406: for ( i = 0; i < REDTAB_LEN; i++ ) old_red[i] = 0;
6407: old_red = 0;
6408: for ( i = 0; i < nd_psn; i++ ) {
6409: NEWRHist(r); SG(r) = SG(nd_psh[i]);
6410: ndl_reconstruct(DL(nd_psh[i]),DL(r),obpe,oepos);
1.24 noro 6411: r->sig = nd_psh[i]->sig;
1.1 noro 6412: nd_psh[i] = r;
6413: }
6414: if ( s0 ) NEXT(s) = 0;
6415: prev_nm_free_list = 0;
6416: prev_ndp_free_list = 0;
6417: #if 0
6418: GC_gcollect();
6419: #endif
6420: return s0;
6421: }
6422:
1.30 noro 6423: void nd_reconstruct_s(int trace,ND_pairs *d)
6424: {
6425: int i,obpe,oadv,h;
6426: static NM prev_nm_free_list;
6427: static ND_pairs prev_ndp_free_list;
6428: RHist mr0,mr;
6429: RHist r;
6430: RHist *old_red;
6431: ND_pairs s0,s,t;
6432: EPOS oepos;
6433:
6434: obpe = nd_bpe;
6435: oadv = nmv_adv;
6436: oepos = nd_epos;
6437: if ( obpe < 2 ) nd_bpe = 2;
6438: else if ( obpe < 3 ) nd_bpe = 3;
6439: else if ( obpe < 4 ) nd_bpe = 4;
6440: else if ( obpe < 5 ) nd_bpe = 5;
6441: else if ( obpe < 6 ) nd_bpe = 6;
6442: else if ( obpe < 8 ) nd_bpe = 8;
6443: else if ( obpe < 10 ) nd_bpe = 10;
6444: else if ( obpe < 16 ) nd_bpe = 16;
6445: else if ( obpe < 32 ) nd_bpe = 32;
6446: else error("nd_reconstruct_s : exponent too large");
6447:
6448: nd_setup_parameters(nd_nvar,0);
6449: prev_nm_free_list = _nm_free_list;
6450: prev_ndp_free_list = _ndp_free_list;
6451: _nm_free_list = 0;
6452: _ndp_free_list = 0;
6453: for ( i = nd_psn-1; i >= 0; i-- ) {
6454: ndv_realloc(nd_ps[i],obpe,oadv,oepos);
6455: ndv_realloc(nd_ps_sym[i],obpe,oadv,oepos);
6456: }
6457: if ( trace )
6458: for ( i = nd_psn-1; i >= 0; i-- ) {
6459: ndv_realloc(nd_ps_trace[i],obpe,oadv,oepos);
6460: ndv_realloc(nd_ps_trace_sym[i],obpe,oadv,oepos);
6461: }
6462:
6463: for ( i = 0; i < nd_nbase; i++ ) {
6464: s0 = 0;
6465: for ( t = d[i]; t; t = NEXT(t) ) {
6466: NEXTND_pairs(s0,s);
6467: s->i1 = t->i1;
6468: s->i2 = t->i2;
6469: s->sig = t->sig;
6470: SG(s) = SG(t);
6471: ndl_reconstruct(LCM(t),LCM(s),obpe,oepos);
6472: }
1.47 noro 6473: if ( s0 ) NEXT(s) = 0;
1.30 noro 6474: d[i] = s0;
6475: }
6476:
6477: old_red = (RHist *)MALLOC(REDTAB_LEN*sizeof(RHist));
6478: for ( i = 0; i < REDTAB_LEN; i++ ) {
6479: old_red[i] = nd_red[i];
6480: nd_red[i] = 0;
6481: }
6482: for ( i = 0; i < REDTAB_LEN; i++ )
6483: for ( r = old_red[i]; r; r = NEXT(r) ) {
6484: NEWRHist(mr);
6485: mr->index = r->index;
6486: SG(mr) = SG(r);
6487: ndl_reconstruct(DL(r),DL(mr),obpe,oepos);
6488: h = ndl_hash_value(DL(mr));
6489: NEXT(mr) = nd_red[h];
6490: nd_red[h] = mr;
6491: mr->sig = r->sig;
6492: }
6493: for ( i = 0; i < REDTAB_LEN; i++ ) old_red[i] = 0;
6494: old_red = 0;
6495: for ( i = 0; i < nd_psn; i++ ) {
6496: NEWRHist(r); SG(r) = SG(nd_psh[i]);
6497: ndl_reconstruct(DL(nd_psh[i]),DL(r),obpe,oepos);
6498: r->sig = nd_psh[i]->sig;
6499: nd_psh[i] = r;
6500: }
6501: if ( s0 ) NEXT(s) = 0;
6502: prev_nm_free_list = 0;
6503: prev_ndp_free_list = 0;
6504: #if 0
6505: GC_gcollect();
6506: #endif
6507: }
6508:
1.1 noro 6509: void ndl_reconstruct(UINT *d,UINT *r,int obpe,EPOS oepos)
6510: {
6511: int n,i,ei,oepw,omask0,j,s,ord_l,l;
6512: struct order_pair *op;
6513:
6514: n = nd_nvar;
6515: oepw = (sizeof(UINT)*8)/obpe;
6516: omask0 = (1<<obpe)-1;
6517: TD(r) = TD(d);
6518: for ( i = nd_exporigin; i < nd_wpd; i++ ) r[i] = 0;
6519: if ( nd_blockmask ) {
6520: l = nd_blockmask->n;
6521: op = nd_blockmask->order_pair;
6522: for ( i = 1; i < nd_exporigin; i++ )
6523: r[i] = d[i];
6524: for ( j = 0, s = 0; j < l; j++ ) {
6525: ord_l = op[j].length;
6526: for ( i = 0; i < ord_l; i++, s++ ) {
6527: ei = GET_EXP_OLD(d,s);
6528: PUT_EXP(r,s,ei);
6529: }
6530: }
6531: } else {
6532: for ( i = 0; i < n; i++ ) {
6533: ei = GET_EXP_OLD(d,i);
6534: PUT_EXP(r,i,ei);
6535: }
6536: }
6537: if ( nd_module ) MPOS(r) = MPOS(d);
6538: }
6539:
6540: ND nd_copy(ND p)
6541: {
6542: NM m,mr,mr0;
6543: int c,n;
6544: ND r;
6545:
6546: if ( !p )
6547: return 0;
6548: else {
6549: for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) {
6550: NEXTNM(mr0,mr);
6551: CM(mr) = CM(m);
6552: ndl_copy(DL(m),DL(mr));
6553: }
6554: NEXT(mr) = 0;
6555: MKND(NV(p),mr0,LEN(p),r);
6556: SG(r) = SG(p);
6557: return r;
6558: }
6559: }
6560:
6561: int nd_sp(int mod,int trace,ND_pairs p,ND *rp)
6562: {
6563: NM m1,m2;
6564: NDV p1,p2;
6565: ND t1,t2;
6566: UINT *lcm;
6567: P gp,tp;
6568: Z g,t;
6569: Z iq;
6570: int td;
6571: LIST hist;
6572: NODE node;
6573: DP d;
6574:
6575: if ( !mod && nd_demand ) {
6576: p1 = ndv_load(p->i1); p2 = ndv_load(p->i2);
6577: } else {
6578: if ( trace ) {
6579: p1 = nd_ps_trace[p->i1]; p2 = nd_ps_trace[p->i2];
6580: } else {
6581: p1 = nd_ps[p->i1]; p2 = nd_ps[p->i2];
6582: }
6583: }
6584: lcm = LCM(p);
6585: NEWNM(m1); ndl_sub(lcm,HDL(p1),DL(m1));
6586: if ( ndl_check_bound2(p->i1,DL(m1)) ) {
6587: FREENM(m1); return 0;
6588: }
6589: NEWNM(m2); ndl_sub(lcm,HDL(p2),DL(m2));
6590: if ( ndl_check_bound2(p->i2,DL(m2)) ) {
6591: FREENM(m1); FREENM(m2); return 0;
6592: }
6593:
6594: if ( mod == -1 ) {
6595: CM(m1) = HCM(p2); CM(m2) = _chsgnsf(HCM(p1));
6596: } else if ( mod > 0 ) {
6597: CM(m1) = HCM(p2); CM(m2) = mod-HCM(p1);
6598: } else if ( mod == -2 ) {
6599: CZ(m1) = HCZ(p2); chsgnlf(HCZ(p1),&CZ(m2));
6600: } else if ( nd_vc ) {
6601: ezgcdpz(nd_vc,HCP(p1),HCP(p2),&gp);
6602: divsp(nd_vc,HCP(p2),gp,&CP(m1));
6603: divsp(nd_vc,HCP(p1),gp,&tp); chsgnp(tp,&CP(m2));
6604: } else {
1.6 noro 6605: igcd_cofactor(HCZ(p1),HCZ(p2),&g,&t,&CZ(m1)); chsgnz(t,&CZ(m2));
1.1 noro 6606: }
6607: t1 = ndv_mul_nm(mod,m1,p1); t2 = ndv_mul_nm(mod,m2,p2);
6608: *rp = nd_add(mod,t1,t2);
6609: if ( nd_gentrace ) {
6610: /* nd_tracelist is initialized */
1.6 noro 6611: STOZ(p->i1,iq); nmtodp(mod,m1,&d); node = mknode(4,ONE,iq,d,ONE);
1.1 noro 6612: MKLIST(hist,node); MKNODE(nd_tracelist,hist,0);
1.6 noro 6613: STOZ(p->i2,iq); nmtodp(mod,m2,&d); node = mknode(4,ONE,iq,d,ONE);
1.1 noro 6614: MKLIST(hist,node); MKNODE(node,hist,nd_tracelist);
6615: nd_tracelist = node;
6616: }
1.24 noro 6617: if ( *rp )
6618: (*rp)->sig = p->sig;
1.1 noro 6619: FREENM(m1); FREENM(m2);
6620: return 1;
6621: }
6622:
6623: void ndv_mul_c(int mod,NDV p,int mul)
6624: {
6625: NMV m;
6626: int c,c1,len,i;
6627:
6628: if ( !p ) return;
6629: len = LEN(p);
6630: if ( mod == -1 )
6631: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) )
6632: CM(m) = _mulsf(CM(m),mul);
6633: else
6634: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
6635: c1 = CM(m); DMAR(c1,mul,0,mod,c); CM(m) = c;
6636: }
6637: }
6638:
6639: void ndv_mul_c_lf(NDV p,Z mul)
6640: {
6641: NMV m;
6642: Z c;
6643: int len,i;
6644:
6645: if ( !p ) return;
6646: len = LEN(p);
6647: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
6648: mullf(CZ(m),mul,&c); CZ(m) = c;
6649: }
6650: }
6651:
6652: /* for nd_det */
6653: void ndv_mul_c_q(NDV p,Z mul)
6654: {
6655: NMV m;
6656: Z c;
6657: int len,i;
6658:
6659: if ( !p ) return;
6660: len = LEN(p);
6661: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
1.6 noro 6662: mulz(CZ(m),mul,&c); CZ(m) = c;
1.1 noro 6663: }
6664: }
6665:
6666: ND weyl_ndv_mul_nm(int mod,NM m0,NDV p) {
6667: int n2,i,j,l,n,tlen;
6668: UINT *d0;
6669: NM *tab,*psum;
6670: ND s,r;
6671: NM t;
6672: NMV m1;
6673:
6674: if ( !p ) return 0;
6675: n = NV(p); n2 = n>>1;
6676: d0 = DL(m0);
6677: l = LEN(p);
6678: for ( i = 0, tlen = 1; i < n2; i++ ) tlen *= (GET_EXP(d0,n2+i)+1);
6679: tab = (NM *)MALLOC(tlen*sizeof(NM));
6680: psum = (NM *)MALLOC(tlen*sizeof(NM));
6681: for ( i = 0; i < tlen; i++ ) psum[i] = 0;
6682: m1 = (NMV)(((char *)BDY(p))+nmv_adv*(l-1));
6683: for ( i = l-1; i >= 0; i--, NMV_PREV(m1) ) {
6684: /* m0(NM) * m1(NMV) => tab(NM) */
6685: weyl_mul_nm_nmv(n,mod,m0,m1,tab,tlen);
6686: for ( j = 0; j < tlen; j++ ) {
6687: if ( tab[j] ) {
6688: NEXT(tab[j]) = psum[j]; psum[j] = tab[j];
6689: }
6690: }
6691: }
6692: for ( i = tlen-1, r = 0; i >= 0; i-- )
6693: if ( psum[i] ) {
6694: for ( j = 0, t = psum[i]; t; t = NEXT(t), j++ );
6695: MKND(n,psum[i],j,s);
6696: r = nd_add(mod,r,s);
6697: }
6698: if ( r ) SG(r) = SG(p)+TD(d0);
6699: return r;
6700: }
6701:
6702: /* product of monomials */
6703: /* XXX block order is not handled correctly */
6704:
6705: void weyl_mul_nm_nmv(int n,int mod,NM m0,NMV m1,NM *tab,int tlen)
6706: {
6707: int i,n2,j,s,curlen,homo,h,a,b,k,l,u,min;
6708: UINT *d0,*d1,*d,*dt,*ctab;
6709: Z *ctab_q;
6710: Z q,q1;
6711: UINT c0,c1,c;
6712: NM *p;
6713: NM m,t;
6714: int mpos;
6715:
6716: for ( i = 0; i < tlen; i++ ) tab[i] = 0;
6717: if ( !m0 || !m1 ) return;
6718: d0 = DL(m0); d1 = DL(m1); n2 = n>>1;
6719: if ( nd_module )
6720: if ( MPOS(d0) ) error("weyl_mul_nm_nmv : invalid operation");
6721:
6722: NEWNM(m); d = DL(m);
6723: if ( mod ) {
6724: c0 = CM(m0); c1 = CM(m1); DMAR(c0,c1,0,mod,c); CM(m) = c;
6725: } else if ( nd_vc )
6726: mulp(nd_vc,CP(m0),CP(m1),&CP(m));
6727: else
1.6 noro 6728: mulz(CZ(m0),CZ(m1),&CZ(m));
1.1 noro 6729: for ( i = 0; i < nd_wpd; i++ ) d[i] = 0;
6730: homo = n&1 ? 1 : 0;
6731: if ( homo ) {
6732: /* offset of h-degree */
6733: h = GET_EXP(d0,n-1)+GET_EXP(d1,n-1);
6734: PUT_EXP(DL(m),n-1,h);
6735: TD(DL(m)) = h;
6736: if ( nd_blockmask ) ndl_weight_mask(DL(m));
6737: }
6738: tab[0] = m;
6739: NEWNM(m); d = DL(m);
6740: for ( i = 0, curlen = 1; i < n2; i++ ) {
6741: a = GET_EXP(d0,i); b = GET_EXP(d1,n2+i);
6742: k = GET_EXP(d0,n2+i); l = GET_EXP(d1,i);
6743: /* xi^a*(Di^k*xi^l)*Di^b */
6744: a += l; b += k;
6745: s = MUL_WEIGHT(a,i)+MUL_WEIGHT(b,n2+i);
6746: if ( !k || !l ) {
6747: for ( j = 0; j < curlen; j++ )
6748: if ( (t = tab[j]) != 0 ) {
6749: dt = DL(t);
6750: PUT_EXP(dt,i,a); PUT_EXP(dt,n2+i,b); TD(dt) += s;
6751: if ( nd_blockmask ) ndl_weight_mask(dt);
6752: }
6753: curlen *= k+1;
6754: continue;
6755: }
6756: min = MIN(k,l);
6757: if ( mod ) {
6758: ctab = (UINT *)MALLOC((min+1)*sizeof(UINT));
6759: mkwcm(k,l,mod,(int *)ctab);
6760: } else {
6761: ctab_q = (Z *)MALLOC((min+1)*sizeof(Z));
6762: mkwc(k,l,ctab_q);
6763: }
6764: for ( j = min; j >= 0; j-- ) {
6765: for ( u = 0; u < nd_wpd; u++ ) d[u] = 0;
6766: PUT_EXP(d,i,a-j); PUT_EXP(d,n2+i,b-j);
6767: h = MUL_WEIGHT(a-j,i)+MUL_WEIGHT(b-j,n2+i);
6768: if ( homo ) {
6769: TD(d) = s;
6770: PUT_EXP(d,n-1,s-h);
6771: } else TD(d) = h;
6772: if ( nd_blockmask ) ndl_weight_mask(d);
6773: if ( mod ) c = ctab[j];
6774: else q = ctab_q[j];
6775: p = tab+curlen*j;
6776: if ( j == 0 ) {
6777: for ( u = 0; u < curlen; u++, p++ ) {
6778: if ( tab[u] ) {
6779: ndl_addto(DL(tab[u]),d);
6780: if ( mod ) {
6781: c0 = CM(tab[u]); DMAR(c0,c,0,mod,c1); CM(tab[u]) = c1;
6782: } else if ( nd_vc )
6783: mulp(nd_vc,CP(tab[u]),(P)q,&CP(tab[u]));
6784: else {
1.6 noro 6785: mulz(CZ(tab[u]),q,&q1); CZ(tab[u]) = q1;
1.1 noro 6786: }
6787: }
6788: }
6789: } else {
6790: for ( u = 0; u < curlen; u++, p++ ) {
6791: if ( tab[u] ) {
6792: NEWNM(t);
6793: ndl_add(DL(tab[u]),d,DL(t));
6794: if ( mod ) {
6795: c0 = CM(tab[u]); DMAR(c0,c,0,mod,c1); CM(t) = c1;
6796: } else if ( nd_vc )
6797: mulp(nd_vc,CP(tab[u]),(P)q,&CP(t));
6798: else
1.6 noro 6799: mulz(CZ(tab[u]),q,&CZ(t));
1.1 noro 6800: *p = t;
6801: }
6802: }
6803: }
6804: }
6805: curlen *= k+1;
6806: }
6807: FREENM(m);
6808: if ( nd_module ) {
6809: mpos = MPOS(d1);
6810: for ( i = 0; i < tlen; i++ )
6811: if ( tab[i] ) {
6812: d = DL(tab[i]);
6813: MPOS(d) = mpos;
6814: TD(d) = ndl_weight(d);
6815: }
6816: }
6817: }
6818:
6819: ND ndv_mul_nm_symbolic(NM m0,NDV p)
6820: {
6821: NM mr,mr0;
6822: NMV m;
6823: UINT *d,*dt,*dm;
6824: int c,n,td,i,c1,c2,len;
6825: Q q;
6826: ND r;
6827:
6828: if ( !p ) return 0;
6829: else {
6830: n = NV(p); m = BDY(p);
6831: d = DL(m0);
6832: len = LEN(p);
6833: mr0 = 0;
6834: td = TD(d);
6835: c = CM(m0);
6836: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6837: NEXTNM(mr0,mr);
6838: CM(mr) = 1;
6839: ndl_add(DL(m),d,DL(mr));
6840: }
6841: NEXT(mr) = 0;
6842: MKND(NV(p),mr0,len,r);
6843: SG(r) = SG(p) + TD(d);
6844: return r;
6845: }
6846: }
6847:
6848: ND ndv_mul_nm(int mod,NM m0,NDV p)
6849: {
6850: NM mr,mr0;
6851: NMV m;
6852: UINT *d,*dt,*dm;
6853: int c,n,td,i,c1,c2,len;
6854: P q;
6855: ND r;
6856:
6857: if ( !p ) return 0;
6858: else if ( do_weyl ) {
6859: if ( mod < 0 ) {
6860: error("ndv_mul_nm : not implemented (weyl)");
6861: return 0;
6862: } else
6863: return weyl_ndv_mul_nm(mod,m0,p);
6864: } else {
6865: n = NV(p); m = BDY(p);
6866: d = DL(m0);
6867: len = LEN(p);
6868: mr0 = 0;
6869: td = TD(d);
6870: if ( mod == -1 ) {
6871: c = CM(m0);
6872: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6873: NEXTNM(mr0,mr);
6874: CM(mr) = _mulsf(CM(m),c);
6875: ndl_add(DL(m),d,DL(mr));
6876: }
6877: } else if ( mod == -2 ) {
6878: Z cl;
6879: cl = CZ(m0);
6880: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6881: NEXTNM(mr0,mr);
6882: mullf(CZ(m),cl,&CZ(mr));
6883: ndl_add(DL(m),d,DL(mr));
6884: }
6885: } else if ( mod ) {
6886: c = CM(m0);
6887: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6888: NEXTNM(mr0,mr);
6889: c1 = CM(m);
6890: DMAR(c1,c,0,mod,c2);
6891: CM(mr) = c2;
6892: ndl_add(DL(m),d,DL(mr));
6893: }
6894: } else {
6895: q = CP(m0);
6896: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6897: NEXTNM(mr0,mr);
6898: mulp(nd_vc,CP(m),q,&CP(mr));
6899: ndl_add(DL(m),d,DL(mr));
6900: }
6901: }
6902: NEXT(mr) = 0;
6903: MKND(NV(p),mr0,len,r);
6904: SG(r) = SG(p) + TD(d);
6905: return r;
6906: }
6907: }
6908:
6909: ND nd_quo(int mod,PGeoBucket bucket,NDV d)
6910: {
6911: NM mq0,mq;
6912: NMV tm;
6913: Q q;
6914: int i,nv,sg,c,c1,c2,hindex;
6915: ND p,t,r;
6916:
6917: if ( bucket->m < 0 ) return 0;
6918: else {
6919: nv = NV(d);
6920: mq0 = 0;
6921: tm = (NMV)MALLOC(nmv_adv);
6922: while ( 1 ) {
6923: if ( mod > 0 || mod == -1 )
6924: hindex = head_pbucket(mod,bucket);
6925: else if ( mod == -2 )
6926: hindex = head_pbucket_lf(bucket);
6927: else
6928: hindex = head_pbucket_q(bucket);
6929: if ( hindex < 0 ) break;
6930: p = bucket->body[hindex];
6931: NEXTNM(mq0,mq);
6932: ndl_sub(HDL(p),HDL(d),DL(mq));
6933: ndl_copy(DL(mq),DL(tm));
6934: if ( mod ) {
6935: c1 = invm(HCM(d),mod); c2 = HCM(p);
6936: DMAR(c1,c2,0,mod,c); CM(mq) = c;
6937: CM(tm) = mod-c;
6938: } else {
1.6 noro 6939: divsz(HCZ(p),HCZ(d),&CZ(mq));
6940: chsgnz(CZ(mq),&CZ(tm));
1.1 noro 6941: }
6942: t = ndv_mul_nmv_trunc(mod,tm,d,HDL(d));
6943: bucket->body[hindex] = nd_remove_head(p);
6944: t = nd_remove_head(t);
6945: add_pbucket(mod,bucket,t);
6946: }
6947: if ( !mq0 )
6948: r = 0;
6949: else {
6950: NEXT(mq) = 0;
6951: for ( i = 0, mq = mq0; mq; mq = NEXT(mq), i++ );
6952: MKND(nv,mq0,i,r);
6953: /* XXX */
6954: SG(r) = HTD(r);
6955: }
6956: return r;
6957: }
6958: }
6959:
6960: void ndv_realloc(NDV p,int obpe,int oadv,EPOS oepos)
6961: {
6962: NMV m,mr,mr0,t;
6963: int len,i,k;
6964:
6965: if ( !p ) return;
6966: m = BDY(p); len = LEN(p);
6967: mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p);
6968: m = (NMV)((char *)mr0+(len-1)*oadv);
6969: mr = (NMV)((char *)mr0+(len-1)*nmv_adv);
6970: t = (NMV)MALLOC(nmv_adv);
6971: for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {
1.6 noro 6972: CZ(t) = CZ(m);
1.1 noro 6973: for ( k = 0; k < nd_wpd; k++ ) DL(t)[k] = 0;
6974: ndl_reconstruct(DL(m),DL(t),obpe,oepos);
1.6 noro 6975: CZ(mr) = CZ(t);
1.1 noro 6976: ndl_copy(DL(t),DL(mr));
6977: }
6978: BDY(p) = mr0;
6979: }
6980:
6981: NDV ndv_dup_realloc(NDV p,int obpe,int oadv,EPOS oepos)
6982: {
6983: NMV m,mr,mr0;
6984: int len,i;
6985: NDV r;
6986:
6987: if ( !p ) return 0;
6988: m = BDY(p); len = LEN(p);
6989: mr0 = mr = (NMV)MALLOC(len*nmv_adv);
6990: for ( i = 0; i < len; i++, NMV_OADV(m), NMV_ADV(mr) ) {
6991: ndl_zero(DL(mr));
6992: ndl_reconstruct(DL(m),DL(mr),obpe,oepos);
1.6 noro 6993: CZ(mr) = CZ(m);
1.1 noro 6994: }
6995: MKNDV(NV(p),mr0,len,r);
6996: SG(r) = SG(p);
1.24 noro 6997: r->sig = p->sig;
1.1 noro 6998: return r;
6999: }
7000:
7001: /* duplicate p */
7002:
7003: NDV ndv_dup(int mod,NDV p)
7004: {
7005: NDV d;
7006: NMV t,m,m0;
7007: int i,len;
7008:
7009: if ( !p ) return 0;
7010: len = LEN(p);
7011: m0 = m = (NMV)((mod>0 || mod==-1)?MALLOC_ATOMIC(len*nmv_adv):MALLOC(len*nmv_adv));
7012: for ( t = BDY(p), i = 0; i < len; i++, NMV_ADV(t), NMV_ADV(m) ) {
7013: ndl_copy(DL(t),DL(m));
1.6 noro 7014: CZ(m) = CZ(t);
1.1 noro 7015: }
7016: MKNDV(NV(p),m0,len,d);
7017: SG(d) = SG(p);
7018: return d;
7019: }
7020:
7021: NDV ndv_symbolic(int mod,NDV p)
7022: {
7023: NDV d;
7024: NMV t,m,m0;
7025: int i,len;
7026:
7027: if ( !p ) return 0;
7028: len = LEN(p);
7029: m0 = m = (NMV)((mod>0||mod==-1)?MALLOC_ATOMIC(len*nmv_adv):MALLOC(len*nmv_adv));
7030: for ( t = BDY(p), i = 0; i < len; i++, NMV_ADV(t), NMV_ADV(m) ) {
7031: ndl_copy(DL(t),DL(m));
1.6 noro 7032: CZ(m) = ONE;
1.1 noro 7033: }
7034: MKNDV(NV(p),m0,len,d);
7035: SG(d) = SG(p);
7036: return d;
7037: }
7038:
7039: ND nd_dup(ND p)
7040: {
7041: ND d;
7042: NM t,m,m0;
7043:
7044: if ( !p ) return 0;
7045: for ( m0 = 0, t = BDY(p); t; t = NEXT(t) ) {
7046: NEXTNM(m0,m);
7047: ndl_copy(DL(t),DL(m));
1.6 noro 7048: CZ(m) = CZ(t);
1.1 noro 7049: }
7050: if ( m0 ) NEXT(m) = 0;
7051: MKND(NV(p),m0,LEN(p),d);
7052: SG(d) = SG(p);
7053: return d;
7054: }
7055:
7056: /* XXX if p->len == 0 then it represents 0 */
7057:
7058: void ndv_mod(int mod,NDV p)
7059: {
7060: NMV t,d;
7061: int r,s,u;
7062: int i,len,dlen;
7063: P cp;
7064: Z c;
7065: Obj gfs;
7066:
7067: if ( !p ) return;
7068: len = LEN(p);
7069: dlen = 0;
7070: if ( mod == -1 )
7071: for ( t = d = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) {
7072: simp_ff((Obj)CP(t),&gfs);
7073: if ( gfs ) {
7074: r = FTOIF(CONT((GFS)gfs));
7075: CM(d) = r;
7076: ndl_copy(DL(t),DL(d));
7077: NMV_ADV(d);
7078: dlen++;
7079: }
7080: }
7081: else if ( mod == -2 )
7082: for ( t = d = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) {
7083: simp_ff((Obj)CP(t),&gfs);
7084: if ( gfs ) {
7085: lmtolf((LM)gfs,&CZ(d));
7086: ndl_copy(DL(t),DL(d));
7087: NMV_ADV(d);
7088: dlen++;
7089: }
7090: }
7091: else
7092: for ( t = d = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) {
7093: if ( nd_vc ) {
7094: nd_subst_vector(nd_vc,CP(t),nd_subst,&cp);
7095: c = (Z)cp;
7096: } else
1.6 noro 7097: c = CZ(t);
1.1 noro 7098: r = remqi((Q)c,mod);
7099: if ( r ) {
7100: CM(d) = r;
7101: ndl_copy(DL(t),DL(d));
7102: NMV_ADV(d);
7103: dlen++;
7104: }
7105: }
7106: LEN(p) = dlen;
7107: }
7108:
7109: NDV ptondv(VL vl,VL dvl,P p)
7110: {
7111: ND nd;
7112:
7113: nd = ptond(vl,dvl,p);
7114: return ndtondv(0,nd);
7115: }
7116:
7117: void pltozpl(LIST l,Q *cont,LIST *pp)
7118: {
1.16 noro 7119: NODE nd,nd1;
7120: int n;
7121: P *pl;
7122: Q *cl;
7123: int i;
7124: P dmy;
7125: Z dvr,inv;
7126: LIST r;
7127:
7128: nd = BDY(l); n = length(nd);
7129: pl = (P *)MALLOC(n*sizeof(P));
7130: cl = (Q *)MALLOC(n*sizeof(Q));
7131: for ( i = 0; i < n; i++, nd = NEXT(nd) ) {
7132: ptozp((P)BDY(nd),1,&cl[i],&dmy);
7133: }
7134: qltozl(cl,n,&dvr);
7135: divz(ONE,dvr,&inv);
7136: nd = BDY(l);
7137: for ( i = 0; i < n; i++, nd = NEXT(nd) )
7138: divsp(CO,(P)BDY(nd),(P)dvr,&pl[i]);
7139: nd = 0;
7140: for ( i = n-1; i >= 0; i-- ) {
7141: MKNODE(nd1,pl[i],nd); nd = nd1;
7142: }
7143: MKLIST(r,nd);
7144: *pp = r;
1.1 noro 7145: }
7146:
7147: /* (a1,a2,...,an) -> a1*e(1)+...+an*e(n) */
7148:
7149: NDV pltondv(VL vl,VL dvl,LIST p)
7150: {
7151: int i;
7152: NODE t;
7153: ND r,ri;
7154: NM m;
7155:
7156: if ( !nd_module ) error("pltond : module order must be set");
7157: r = 0;
7158: for ( i = 1, t = BDY(p); t; t = NEXT(t), i++ ) {
7159: ri = ptond(vl,dvl,(P)BDY(t));
7160: if ( ri )
7161: for ( m = BDY(ri); m; m = NEXT(m) ) {
7162: MPOS(DL(m)) = i;
7163: TD(DL(m)) = ndl_weight(DL(m));
7164: if ( nd_blockmask ) ndl_weight_mask(DL(m));
7165: }
7166: r = nd_add(0,r,ri);
7167: }
7168: return ndtondv(0,r);
7169: }
7170:
7171: ND ptond(VL vl,VL dvl,P p)
7172: {
7173: int n,i,j,k,e;
7174: VL tvl;
7175: V v;
7176: DCP dc;
7177: DCP *w;
7178: ND r,s,t,u;
7179: P x;
7180: int c;
7181: UINT *d;
7182: NM m,m0;
7183:
7184: if ( !p )
7185: return 0;
7186: else if ( NUM(p) ) {
7187: NEWNM(m);
7188: ndl_zero(DL(m));
1.48 noro 7189: if ( RATN(p) && !INT((Q)p) )
1.1 noro 7190: error("ptond : input must be integer-coefficient");
1.6 noro 7191: CZ(m) = (Z)p;
1.1 noro 7192: NEXT(m) = 0;
7193: MKND(nd_nvar,m,1,r);
7194: SG(r) = 0;
7195: return r;
7196: } else {
7197: for ( dc = DC(p), k = 0; dc; dc = NEXT(dc), k++ );
7198: w = (DCP *)MALLOC(k*sizeof(DCP));
7199: for ( dc = DC(p), j = 0; j < k; dc = NEXT(dc), j++ ) w[j] = dc;
7200: for ( i = 0, tvl = dvl, v = VR(p);
7201: tvl && tvl->v != v; tvl = NEXT(tvl), i++ );
7202: if ( !tvl ) {
7203: for ( j = k-1, s = 0, MKV(v,x); j >= 0; j-- ) {
7204: t = ptond(vl,dvl,COEF(w[j]));
7205: pwrp(vl,x,DEG(w[j]),&p);
7206: nd_mul_c_p(CO,t,p); s = nd_add(0,s,t);
7207: }
7208: return s;
7209: } else {
7210: NEWNM(m0); d = DL(m0);
7211: for ( j = k-1, s = 0; j >= 0; j-- ) {
1.6 noro 7212: ndl_zero(d); e = ZTOS(DEG(w[j])); PUT_EXP(d,i,e);
1.1 noro 7213: TD(d) = MUL_WEIGHT(e,i);
7214: if ( nd_blockmask) ndl_weight_mask(d);
7215: if ( nd_module ) MPOS(d) = 0;
7216: t = ptond(vl,dvl,COEF(w[j]));
7217: for ( m = BDY(t); m; m = NEXT(m) )
7218: ndl_addto(DL(m),d);
7219: SG(t) += TD(d);
7220: s = nd_add(0,s,t);
7221: }
7222: FREENM(m0);
7223: return s;
7224: }
7225: }
7226: }
7227:
7228: P ndvtop(int mod,VL vl,VL dvl,NDV p)
7229: {
7230: VL tvl;
7231: int len,n,j,i,e;
7232: NMV m;
7233: Z q;
7234: P c;
7235: UINT *d;
7236: P s,r,u,t,w;
7237: GFS gfs;
7238:
7239: if ( !p ) return 0;
7240: else {
7241: len = LEN(p);
7242: n = NV(p);
7243: m = (NMV)(((char *)BDY(p))+nmv_adv*(len-1));
7244: for ( j = len-1, s = 0; j >= 0; j--, NMV_PREV(m) ) {
7245: if ( mod == -1 ) {
7246: e = IFTOF(CM(m)); MKGFS(e,gfs); c = (P)gfs;
7247: } else if ( mod == -2 ) {
7248: c = (P)CZ(m);
7249: } else if ( mod > 0 ) {
1.6 noro 7250: STOZ(CM(m),q); c = (P)q;
1.1 noro 7251: } else
7252: c = CP(m);
7253: d = DL(m);
7254: for ( i = 0, t = c, tvl = dvl; i < n; tvl = NEXT(tvl), i++ ) {
1.6 noro 7255: MKV(tvl->v,r); e = GET_EXP(d,i); STOZ(e,q);
1.1 noro 7256: pwrp(vl,r,q,&u); mulp(vl,t,u,&w); t = w;
7257: }
7258: addp(vl,s,t,&u); s = u;
7259: }
7260: return s;
7261: }
7262: }
7263:
7264: LIST ndvtopl(int mod,VL vl,VL dvl,NDV p,int rank)
7265: {
7266: VL tvl;
7267: int len,n,j,i,e;
7268: NMV m;
7269: Z q;
7270: P c;
7271: UINT *d;
7272: P s,r,u,t,w;
7273: GFS gfs;
7274: P *a;
7275: LIST l;
7276: NODE nd,nd1;
7277:
7278: if ( !p ) return 0;
7279: else {
7280: a = (P *)MALLOC((rank+1)*sizeof(P));
7281: for ( i = 0; i <= rank; i++ ) a[i] = 0;
7282: len = LEN(p);
7283: n = NV(p);
7284: m = (NMV)(((char *)BDY(p))+nmv_adv*(len-1));
7285: for ( j = len-1; j >= 0; j--, NMV_PREV(m) ) {
7286: if ( mod == -1 ) {
7287: e = IFTOF(CM(m)); MKGFS(e,gfs); c = (P)gfs;
7288: } else if ( mod ) {
1.6 noro 7289: STOZ(CM(m),q); c = (P)q;
1.1 noro 7290: } else
7291: c = CP(m);
7292: d = DL(m);
7293: for ( i = 0, t = c, tvl = dvl; i < n; tvl = NEXT(tvl), i++ ) {
1.6 noro 7294: MKV(tvl->v,r); e = GET_EXP(d,i); STOZ(e,q);
1.1 noro 7295: pwrp(vl,r,q,&u); mulp(vl,t,u,&w); t = w;
7296: }
7297: addp(vl,a[MPOS(d)],t,&u); a[MPOS(d)] = u;
7298: }
7299: nd = 0;
7300: for ( i = rank; i > 0; i-- ) {
7301: MKNODE(nd1,a[i],nd); nd = nd1;
7302: }
7303: MKLIST(l,nd);
7304: return l;
7305: }
7306: }
7307:
7308: NDV ndtondv(int mod,ND p)
7309: {
7310: NDV d;
7311: NMV m,m0;
7312: NM t;
7313: int i,len;
7314:
7315: if ( !p ) return 0;
7316: len = LEN(p);
7317: if ( mod > 0 || mod == -1 )
7318: m0 = m = (NMV)MALLOC_ATOMIC_IGNORE_OFF_PAGE(len*nmv_adv);
7319: else
7320: m0 = m = MALLOC(len*nmv_adv);
7321: #if 0
7322: ndv_alloc += nmv_adv*len;
7323: #endif
7324: for ( t = BDY(p), i = 0; t; t = NEXT(t), i++, NMV_ADV(m) ) {
7325: ndl_copy(DL(t),DL(m));
1.6 noro 7326: CZ(m) = CZ(t);
1.1 noro 7327: }
7328: MKNDV(NV(p),m0,len,d);
7329: SG(d) = SG(p);
1.24 noro 7330: d->sig = p->sig;
1.1 noro 7331: return d;
7332: }
7333:
1.16 noro 7334: static int dmm_comp_nv;
7335:
7336: int dmm_comp(DMM *a,DMM *b)
7337: {
7338: return -compdmm(dmm_comp_nv,*a,*b);
7339: }
7340:
7341: void dmm_sort_by_ord(DMM *a,int len,int nv)
7342: {
7343: dmm_comp_nv = nv;
7344: qsort(a,len,sizeof(DMM),(int (*)(const void *,const void *))dmm_comp);
7345: }
7346:
7347: void dpm_sort(DPM p,DPM *rp)
7348: {
7349: DMM t,t1;
7350: int len,i,n;
7351: DMM *a;
7352: DPM d;
7353:
7354: if ( !p ) *rp = 0;
7355: for ( t = BDY(p), len = 0; t; t = NEXT(t), len++ );
7356: a = (DMM *)MALLOC(len*sizeof(DMM));
7357: for ( i = 0, t = BDY(p); i < len; i++, t = NEXT(t) ) a[i] = t;
7358: n = p->nv;
7359: dmm_sort_by_ord(a,len,n);
7360: t = 0;
7361: for ( i = len-1; i >= 0; i-- ) {
7362: NEWDMM(t1);
7363: t1->c = a[i]->c;
7364: t1->dl = a[i]->dl;
7365: t1->pos = a[i]->pos;
7366: t1->next = t;
7367: t = t1;
7368: }
7369: MKDPM(n,t,d);
7370: SG(d) = SG(p);
7371: *rp = d;
7372: }
7373:
1.18 noro 7374: int dpm_comp(DPM *a,DPM *b)
7375: {
1.22 noro 7376: return -compdpm(CO,*a,*b);
1.18 noro 7377: }
7378:
7379: NODE dpm_sort_list(NODE l)
7380: {
7381: int i,len;
7382: NODE t,t1;
7383: DPM *a;
7384:
7385: len = length(l);
7386: a = (DPM *)MALLOC(len*sizeof(DPM));
7387: for ( t = l, i = 0; i < len; i++, t = NEXT(t) ) a[i] = (DPM)BDY(t);
7388: qsort(a,len,sizeof(DPM),(int (*)(const void *,const void *))dpm_comp);
7389: t = 0;
7390: for ( i = len-1; i >= 0; i-- ) {
7391: MKNODE(t1,(pointer)a[i],t); t = t1;
7392: }
7393: return t;
7394: }
7395:
1.20 noro 7396: int nmv_comp(NMV a,NMV b)
7397: {
1.21 noro 7398: int t;
7399: t = DL_COMPARE(a->dl,b->dl);
7400: return -t;
1.20 noro 7401: }
7402:
1.43 noro 7403: NDV dptondv(int mod,DP p)
7404: {
7405: NDV d;
7406: NMV m,m0;
7407: MP t;
7408: MP *a;
7409: int i,len,n;
7410:
7411: if ( !p ) return 0;
7412: for ( t = BDY(p), len = 0; t; t = NEXT(t), len++ );
7413: n = p->nv;
7414: if ( mod > 0 || mod == -1 )
7415: m0 = m = (NMV)MALLOC_ATOMIC_IGNORE_OFF_PAGE(len*nmv_adv);
7416: else
7417: m0 = m = MALLOC(len*nmv_adv);
7418: for ( i = 0, t = BDY(p); i < len; i++, NMV_ADV(m), t = NEXT(t) ) {
7419: dltondl(n,t->dl,DL(m));
7420: TD(DL(m)) = ndl_weight(DL(m));
7421: CZ(m) = (Z)t->c;
7422: }
7423: qsort(m0,len,nmv_adv,(int (*)(const void *,const void *))nmv_comp);
7424: MKNDV(NV(p),m0,len,d);
7425: SG(d) = SG(p);
7426: return d;
7427: }
7428:
1.16 noro 7429: NDV dpmtondv(int mod,DPM p)
7430: {
7431: NDV d;
7432: NMV m,m0;
7433: DMM t;
7434: DMM *a;
7435: int i,len,n;
7436:
7437: if ( !p ) return 0;
7438: for ( t = BDY(p), len = 0; t; t = NEXT(t), len++ );
7439: a = (DMM *)MALLOC(len*sizeof(DMM));
7440: for ( i = 0, t = BDY(p); i < len; i++, t = NEXT(t) ) a[i] = t;
7441: n = p->nv;
7442: dmm_sort_by_ord(a,len,n);
7443: if ( mod > 0 || mod == -1 )
7444: m0 = m = (NMV)MALLOC_ATOMIC_IGNORE_OFF_PAGE(len*nmv_adv);
7445: else
7446: m0 = m = MALLOC(len*nmv_adv);
7447: #if 0
7448: ndv_alloc += nmv_adv*len;
7449: #endif
7450: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
7451: dltondl(n,a[i]->dl,DL(m));
7452: MPOS(DL(m)) = a[i]->pos;
1.20 noro 7453: TD(DL(m)) = ndl_weight(DL(m));
1.16 noro 7454: CZ(m) = (Z)a[i]->c;
7455: }
1.20 noro 7456: qsort(m0,len,nmv_adv,(int (*)(const void *,const void *))nmv_comp);
1.16 noro 7457: MKNDV(NV(p),m0,len,d);
7458: SG(d) = SG(p);
7459: return d;
7460: }
7461:
1.1 noro 7462: ND ndvtond(int mod,NDV p)
7463: {
7464: ND d;
7465: NM m,m0;
7466: NMV t;
7467: int i,len;
7468:
7469: if ( !p ) return 0;
7470: m0 = 0;
7471: len = p->len;
7472: for ( t = BDY(p), i = 0; i < len; NMV_ADV(t), i++ ) {
7473: NEXTNM(m0,m);
7474: ndl_copy(DL(t),DL(m));
1.6 noro 7475: CZ(m) = CZ(t);
1.1 noro 7476: }
7477: NEXT(m) = 0;
7478: MKND(NV(p),m0,len,d);
7479: SG(d) = SG(p);
1.28 noro 7480: d->sig = p->sig;
1.1 noro 7481: return d;
7482: }
7483:
7484: DP ndvtodp(int mod,NDV p)
7485: {
7486: MP m,m0;
7487: DP d;
7488: NMV t;
7489: int i,len;
7490:
7491: if ( !p ) return 0;
7492: m0 = 0;
7493: len = p->len;
7494: for ( t = BDY(p), i = 0; i < len; NMV_ADV(t), i++ ) {
7495: NEXTMP(m0,m);
7496: m->dl = ndltodl(nd_nvar,DL(t));
7497: m->c = (Obj)ndctop(mod,t->c);
7498: }
7499: NEXT(m) = 0;
7500: MKDP(nd_nvar,m0,d);
7501: SG(d) = SG(p);
7502: return d;
7503: }
7504:
1.44 noro 7505: DPM sigtodpm(SIG s)
7506: {
7507: DMM m;
7508: DPM d;
7509:
7510: NEWDMM(m);
7511: m->c = (Obj)ONE;
7512: m->dl = s->dl;
7513: m->pos = s->pos+1;
7514: m->next = 0;
7515: MKDPM(nd_nvar,m,d);
7516: SG(d) = s->dl->td;
7517: return d;
7518: }
7519:
1.16 noro 7520: DPM ndvtodpm(int mod,NDV p)
7521: {
7522: DMM m,m0;
7523: DPM d;
7524: NMV t;
7525: int i,len;
7526:
7527: if ( !p ) return 0;
7528: m0 = 0;
7529: len = p->len;
7530: for ( t = BDY(p), i = 0; i < len; NMV_ADV(t), i++ ) {
7531: NEXTDMM(m0,m);
7532: m->dl = ndltodl(nd_nvar,DL(t));
7533: m->c = (Obj)ndctop(mod,t->c);
7534: m->pos = MPOS(DL(t));
7535: }
7536: NEXT(m) = 0;
7537: MKDPM(nd_nvar,m0,d);
7538: SG(d) = SG(p);
7539: return d;
7540: }
7541:
7542:
1.1 noro 7543: DP ndtodp(int mod,ND p)
7544: {
7545: MP m,m0;
7546: DP d;
7547: NM t;
7548: int i,len;
7549:
7550: if ( !p ) return 0;
7551: m0 = 0;
7552: len = p->len;
7553: for ( t = BDY(p); t; t = NEXT(t) ) {
7554: NEXTMP(m0,m);
7555: m->dl = ndltodl(nd_nvar,DL(t));
7556: m->c = (Obj)ndctop(mod,t->c);
7557: }
7558: NEXT(m) = 0;
7559: MKDP(nd_nvar,m0,d);
7560: SG(d) = SG(p);
7561: return d;
7562: }
7563:
7564: void ndv_print(NDV p)
7565: {
7566: NMV m;
7567: int i,len;
7568:
7569: if ( !p ) printf("0\n");
7570: else {
7571: len = LEN(p);
7572: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
7573: if ( CM(m) & 0x80000000 ) printf("+@_%d*",IFTOF(CM(m)));
1.28 noro 7574: else printf("+%ld*",CM(m));
1.1 noro 7575: ndl_print(DL(m));
7576: }
7577: printf("\n");
7578: }
7579: }
7580:
7581: void ndv_print_q(NDV p)
7582: {
7583: NMV m;
7584: int i,len;
7585:
7586: if ( !p ) printf("0\n");
7587: else {
7588: len = LEN(p);
7589: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
7590: printf("+");
1.6 noro 7591: printexpr(CO,(Obj)CZ(m));
1.1 noro 7592: printf("*");
7593: ndl_print(DL(m));
7594: }
7595: printf("\n");
7596: }
7597: }
7598:
7599: NODE ndv_reducebase(NODE x,int *perm)
7600: {
7601: int len,i,j;
7602: NDVI w;
7603: NODE t,t0;
7604:
1.41 noro 7605: if ( nd_norb ) return x;
1.1 noro 7606: len = length(x);
7607: w = (NDVI)MALLOC(len*sizeof(struct oNDVI));
7608: for ( i = 0, t = x; i < len; i++, t = NEXT(t) ) {
7609: w[i].p = BDY(t); w[i].i = perm[i];
7610: }
7611: for ( i = 0; i < len; i++ ) {
7612: for ( j = 0; j < i; j++ ) {
7613: if ( w[i].p && w[j].p ) {
7614: if ( ndl_reducible(HDL(w[i].p),HDL(w[j].p)) ) w[i].p = 0;
7615: else if ( ndl_reducible(HDL(w[j].p),HDL(w[i].p)) ) w[j].p = 0;
7616: }
7617: }
7618: }
7619: for ( i = j = 0, t0 = 0; i < len; i++ ) {
7620: if ( w[i].p ) {
7621: NEXTNODE(t0,t); BDY(t) = (pointer)w[i].p;
7622: perm[j++] = w[i].i;
7623: }
7624: }
7625: NEXT(t) = 0; x = t0;
7626: return x;
7627: }
7628:
7629: /* XXX incomplete */
7630:
1.21 noro 7631: extern DMMstack dmm_stack;
7632: int ndl_module_schreyer_compare(UINT *a,UINT *b);
1.16 noro 7633:
1.1 noro 7634: void nd_init_ord(struct order_spec *ord)
7635: {
7636: nd_module = (ord->id >= 256);
7637: if ( nd_module ) {
7638: nd_dcomp = -1;
1.21 noro 7639: nd_module_ordtype = ord->module_ordtype;
1.1 noro 7640: nd_pot_nelim = ord->pot_nelim;
7641: nd_poly_weight_len = ord->nv;
7642: nd_poly_weight = ord->top_weight;
7643: nd_module_rank = ord->module_rank;
7644: nd_module_weight = ord->module_top_weight;
7645: }
7646: nd_matrix = 0;
7647: nd_matrix_len = 0;
7648: switch ( ord->id ) {
7649: case 0:
7650: switch ( ord->ord.simple ) {
7651: case 0:
7652: nd_dcomp = 1;
7653: nd_isrlex = 1;
7654: break;
7655: case 1:
7656: nd_dcomp = 1;
7657: nd_isrlex = 0;
7658: break;
7659: case 2:
7660: nd_dcomp = 0;
7661: nd_isrlex = 0;
7662: ndl_compare_function = ndl_lex_compare;
7663: break;
7664: case 11:
7665: /* XXX */
7666: nd_dcomp = 0;
7667: nd_isrlex = 1;
7668: ndl_compare_function = ndl_ww_lex_compare;
7669: break;
7670: default:
7671: error("nd_gr : unsupported order");
7672: }
7673: break;
7674: case 1:
7675: /* block order */
7676: /* XXX */
7677: nd_dcomp = -1;
7678: nd_isrlex = 0;
7679: ndl_compare_function = ndl_block_compare;
7680: break;
7681: case 2:
7682: /* matrix order */
7683: /* XXX */
7684: nd_dcomp = -1;
7685: nd_isrlex = 0;
7686: nd_matrix_len = ord->ord.matrix.row;
7687: nd_matrix = ord->ord.matrix.matrix;
7688: ndl_compare_function = ndl_matrix_compare;
7689: break;
7690: case 3:
7691: /* composite order */
7692: nd_dcomp = -1;
7693: nd_isrlex = 0;
7694: nd_worb_len = ord->ord.composite.length;
7695: nd_worb = ord->ord.composite.w_or_b;
7696: ndl_compare_function = ndl_composite_compare;
7697: break;
7698:
7699: /* module order */
7700: case 256:
7701: switch ( ord->ord.simple ) {
7702: case 0:
1.21 noro 7703: nd_dcomp = 0;
1.1 noro 7704: nd_isrlex = 1;
1.21 noro 7705: ndl_compare_function = ndl_module_glex_compare;
1.1 noro 7706: break;
7707: case 1:
1.21 noro 7708: nd_dcomp = 0;
1.1 noro 7709: nd_isrlex = 0;
7710: ndl_compare_function = ndl_module_glex_compare;
7711: break;
7712: case 2:
1.21 noro 7713: nd_dcomp = 0;
1.1 noro 7714: nd_isrlex = 0;
1.21 noro 7715: ndl_compare_function = ndl_module_compare;
7716: ndl_base_compare_function = ndl_lex_compare;
1.1 noro 7717: break;
7718: default:
1.21 noro 7719: error("nd_init_ord : unsupported order");
1.1 noro 7720: }
7721: break;
7722: case 257:
7723: /* block order */
7724: nd_isrlex = 0;
1.21 noro 7725: ndl_compare_function = ndl_module_compare;
7726: ndl_base_compare_function = ndl_block_compare;
1.1 noro 7727: break;
7728: case 258:
7729: /* matrix order */
7730: nd_isrlex = 0;
7731: nd_matrix_len = ord->ord.matrix.row;
7732: nd_matrix = ord->ord.matrix.matrix;
1.21 noro 7733: ndl_compare_function = ndl_module_compare;
7734: ndl_base_compare_function = ndl_matrix_compare;
1.1 noro 7735: break;
7736: case 259:
7737: /* composite order */
7738: nd_isrlex = 0;
7739: nd_worb_len = ord->ord.composite.length;
7740: nd_worb = ord->ord.composite.w_or_b;
1.21 noro 7741: ndl_compare_function = ndl_module_compare;
7742: ndl_base_compare_function = ndl_composite_compare;
7743: break;
7744: case 300:
7745: /* schreyer order */
7746: if ( ord->base->id != 256 )
7747: error("nd_init_ord : unsupported base order");
7748: ndl_compare_function = ndl_module_schreyer_compare;
7749: dmm_stack = ord->dmmstack;
7750: switch ( ord->base->ord.simple ) {
7751: case 0:
7752: nd_isrlex = 1;
7753: ndl_base_compare_function = ndl_glex_compare;
7754: dl_base_compare_function = cmpdl_revgradlex;
7755: break;
7756: case 1:
7757: nd_isrlex = 0;
7758: ndl_base_compare_function = ndl_glex_compare;
7759: dl_base_compare_function = cmpdl_gradlex;
7760: break;
7761: case 2:
7762: nd_isrlex = 0;
7763: ndl_base_compare_function = ndl_lex_compare;
7764: dl_base_compare_function = cmpdl_lex;
7765: break;
7766: default:
7767: error("nd_init_ord : unsupported order");
7768: }
1.1 noro 7769: break;
7770: }
7771: nd_ord = ord;
7772: }
7773:
7774: BlockMask nd_create_blockmask(struct order_spec *ord)
7775: {
7776: int n,i,j,s,l;
7777: UINT *t;
7778: BlockMask bm;
7779:
7780: /* we only create mask table for block order */
7781: if ( ord->id != 1 && ord->id != 257 )
7782: return 0;
7783: n = ord->ord.block.length;
7784: bm = (BlockMask)MALLOC(sizeof(struct oBlockMask));
7785: bm->n = n;
7786: bm->order_pair = ord->ord.block.order_pair;
7787: bm->mask = (UINT **)MALLOC(n*sizeof(UINT *));
7788: for ( i = 0, s = 0; i < n; i++ ) {
7789: bm->mask[i] = t = (UINT *)MALLOC_ATOMIC(nd_wpd*sizeof(UINT));
7790: for ( j = 0; j < nd_wpd; j++ ) t[j] = 0;
7791: l = bm->order_pair[i].length;
7792: for ( j = 0; j < l; j++, s++ ) PUT_EXP(t,s,nd_mask0);
7793: }
7794: return bm;
7795: }
7796:
7797: EPOS nd_create_epos(struct order_spec *ord)
7798: {
7799: int i,j,l,s,ord_l,ord_o;
7800: EPOS epos;
7801: struct order_pair *op;
7802:
7803: epos = (EPOS)MALLOC_ATOMIC(nd_nvar*sizeof(struct oEPOS));
7804: switch ( ord->id ) {
1.21 noro 7805: case 0: case 256: case 300:
1.1 noro 7806: if ( nd_isrlex ) {
7807: for ( i = 0; i < nd_nvar; i++ ) {
7808: epos[i].i = nd_exporigin + (nd_nvar-1-i)/nd_epw;
7809: epos[i].s = (nd_epw-((nd_nvar-1-i)%nd_epw)-1)*nd_bpe;
7810: }
7811: } else {
7812: for ( i = 0; i < nd_nvar; i++ ) {
7813: epos[i].i = nd_exporigin + i/nd_epw;
7814: epos[i].s = (nd_epw-(i%nd_epw)-1)*nd_bpe;
7815: }
7816: }
7817: break;
7818: case 1: case 257:
7819: /* block order */
7820: l = ord->ord.block.length;
7821: op = ord->ord.block.order_pair;
7822: for ( j = 0, s = 0; j < l; j++ ) {
7823: ord_o = op[j].order;
7824: ord_l = op[j].length;
7825: if ( !ord_o )
7826: for ( i = 0; i < ord_l; i++ ) {
7827: epos[s+i].i = nd_exporigin + (s+ord_l-i-1)/nd_epw;
7828: epos[s+i].s = (nd_epw-((s+ord_l-i-1)%nd_epw)-1)*nd_bpe;
7829: }
7830: else
7831: for ( i = 0; i < ord_l; i++ ) {
7832: epos[s+i].i = nd_exporigin + (s+i)/nd_epw;
7833: epos[s+i].s = (nd_epw-((s+i)%nd_epw)-1)*nd_bpe;
7834: }
7835: s += ord_l;
7836: }
7837: break;
7838: case 2:
7839: /* matrix order */
7840: case 3:
7841: /* composite order */
7842: default:
7843: for ( i = 0; i < nd_nvar; i++ ) {
7844: epos[i].i = nd_exporigin + i/nd_epw;
7845: epos[i].s = (nd_epw-(i%nd_epw)-1)*nd_bpe;
7846: }
7847: break;
7848: }
7849: return epos;
7850: }
7851:
7852: /* external interface */
7853:
7854: void nd_nf_p(Obj f,LIST g,LIST v,int m,struct order_spec *ord,Obj *rp)
7855: {
7856: NODE t,in0,in;
7857: ND ndf,nf;
7858: NDV ndvf;
7859: VL vv,tv;
7860: int stat,nvar,max,mrank;
7861: union oNDC dn;
7862: Q cont;
7863: P pp;
7864: LIST ppl;
7865:
7866: if ( !f ) {
7867: *rp = 0;
7868: return;
7869: }
7870: pltovl(v,&vv);
7871: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
7872:
7873: /* max=65536 implies nd_bpe=32 */
7874: max = 65536;
7875:
7876: nd_module = 0;
7877: /* nd_module will be set if ord is a module ordering */
7878: nd_init_ord(ord);
7879: nd_setup_parameters(nvar,max);
7880: if ( nd_module && OID(f) != O_LIST )
7881: error("nd_nf_p : the first argument must be a list");
7882: if ( nd_module ) mrank = length(BDY((LIST)f));
7883: /* conversion to ndv */
7884: for ( in0 = 0, t = BDY(g); t; t = NEXT(t) ) {
7885: NEXTNODE(in0,in);
7886: if ( nd_module ) {
7887: if ( !BDY(t) || OID(BDY(t)) != O_LIST
7888: || length(BDY((LIST)BDY(t))) != mrank )
7889: error("nd_nf_p : inconsistent basis element");
7890: if ( !m ) pltozpl((LIST)BDY(t),&cont,&ppl);
7891: else ppl = (LIST)BDY(t);
7892: BDY(in) = (pointer)pltondv(CO,vv,ppl);
7893: } else {
7894: if ( !m ) ptozp((P)BDY(t),1,&cont,&pp);
7895: else pp = (P)BDY(t);
7896: BDY(in) = (pointer)ptondv(CO,vv,pp);
7897: }
7898: if ( m ) ndv_mod(m,(NDV)BDY(in));
7899: }
7900: if ( in0 ) NEXT(in) = 0;
7901:
7902: if ( nd_module ) ndvf = pltondv(CO,vv,(LIST)f);
7903: else ndvf = ptondv(CO,vv,(P)f);
7904: if ( m ) ndv_mod(m,ndvf);
7905: ndf = (pointer)ndvtond(m,ndvf);
7906:
7907: /* dont sort, dont removecont */
1.24 noro 7908: ndv_setup(m,0,in0,1,1,0);
1.1 noro 7909: nd_scale=2;
1.6 noro 7910: stat = nd_nf(m,0,ndf,nd_ps,1,&nf);
1.1 noro 7911: if ( !stat )
7912: error("nd_nf_p : exponent too large");
7913: if ( nd_module ) *rp = (Obj)ndvtopl(m,CO,vv,ndtondv(m,nf),mrank);
7914: else *rp = (Obj)ndvtop(m,CO,vv,ndtondv(m,nf));
7915: }
7916:
7917: int nd_to_vect(int mod,UINT *s0,int n,ND d,UINT *r)
7918: {
7919: NM m;
7920: UINT *t,*s;
7921: int i;
7922:
7923: for ( i = 0; i < n; i++ ) r[i] = 0;
7924: for ( i = 0, s = s0, m = BDY(d); m; m = NEXT(m) ) {
7925: t = DL(m);
7926: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
7927: r[i] = CM(m);
7928: }
7929: for ( i = 0; !r[i]; i++ );
7930: return i;
7931: }
7932:
7933: int nd_to_vect_q(UINT *s0,int n,ND d,Z *r)
7934: {
7935: NM m;
7936: UINT *t,*s;
7937: int i;
7938:
7939: for ( i = 0; i < n; i++ ) r[i] = 0;
7940: for ( i = 0, s = s0, m = BDY(d); m; m = NEXT(m) ) {
7941: t = DL(m);
7942: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
1.6 noro 7943: r[i] = CZ(m);
1.1 noro 7944: }
7945: for ( i = 0; !r[i]; i++ );
7946: return i;
7947: }
7948:
7949: int nd_to_vect_lf(UINT *s0,int n,ND d,mpz_t *r)
7950: {
7951: NM m;
7952: UINT *t,*s;
7953: int i;
7954:
7955: for ( i = 0; i < n; i++ ) { mpz_init(r[i]); mpz_set_ui(r[i],0); }
7956: for ( i = 0, s = s0, m = BDY(d); m; m = NEXT(m) ) {
7957: t = DL(m);
7958: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
7959: mpz_set(r[i],BDY(CZ(m)));
7960: }
7961: for ( i = 0; !mpz_sgn(r[i]); i++ );
7962: return i;
7963: }
7964:
7965: unsigned long *nd_to_vect_2(UINT *s0,int n,int *s0hash,ND p)
7966: {
7967: NM m;
7968: unsigned long *v;
7969: int i,j,h,size;
7970: UINT *s,*t;
7971:
7972: size = sizeof(unsigned long)*(n+BLEN-1)/BLEN;
7973: v = (unsigned long *)MALLOC_ATOMIC_IGNORE_OFF_PAGE(size);
7974: bzero(v,size);
7975: for ( i = j = 0, s = s0, m = BDY(p); m; j++, m = NEXT(m) ) {
7976: t = DL(m);
7977: h = ndl_hash_value(t);
7978: for ( ; h != s0hash[i] || !ndl_equal(t,s); s += nd_wpd, i++ );
7979: v[i/BLEN] |= 1L <<(i%BLEN);
7980: }
7981: return v;
7982: }
7983:
7984: int nd_nm_to_vect_2(UINT *s0,int n,int *s0hash,NDV p,NM m,unsigned long *v)
7985: {
7986: NMV mr;
7987: UINT *d,*t,*s;
7988: int i,j,len,h,head;
7989:
7990: d = DL(m);
7991: len = LEN(p);
7992: t = (UINT *)MALLOC(nd_wpd*sizeof(UINT));
7993: for ( i = j = 0, s = s0, mr = BDY(p); j < len; j++, NMV_ADV(mr) ) {
7994: ndl_add(d,DL(mr),t);
7995: h = ndl_hash_value(t);
7996: for ( ; h != s0hash[i] || !ndl_equal(t,s); s += nd_wpd, i++ );
7997: if ( j == 0 ) head = i;
7998: v[i/BLEN] |= 1L <<(i%BLEN);
7999: }
8000: return head;
8001: }
8002:
8003: Z *nm_ind_pair_to_vect(int mod,UINT *s0,int n,NM_ind_pair pair)
8004: {
8005: NM m;
8006: NMV mr;
8007: UINT *d,*t,*s;
8008: NDV p;
8009: int i,j,len;
8010: Z *r;
8011:
8012: m = pair->mul;
8013: d = DL(m);
8014: p = nd_ps[pair->index];
8015: len = LEN(p);
8016: r = (Z *)CALLOC(n,sizeof(Q));
8017: t = (UINT *)MALLOC(nd_wpd*sizeof(UINT));
8018: for ( i = j = 0, s = s0, mr = BDY(p); j < len; j++, NMV_ADV(mr) ) {
8019: ndl_add(d,DL(mr),t);
8020: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
1.6 noro 8021: r[i] = CZ(mr);
1.1 noro 8022: }
8023: return r;
8024: }
8025:
1.11 noro 8026: IndArray nm_ind_pair_to_vect_compress(int trace,UINT *s0,int n,NM_ind_pair pair,int start)
1.1 noro 8027: {
8028: NM m;
8029: NMV mr;
1.11 noro 8030: UINT *d,*t,*s,*u;
1.1 noro 8031: NDV p;
8032: unsigned char *ivc;
8033: unsigned short *ivs;
8034: UINT *v,*ivi,*s0v;
1.11 noro 8035: int i,j,len,prev,diff,cdiff,h,st,ed,md,c;
1.1 noro 8036: IndArray r;
8037:
8038: m = pair->mul;
8039: d = DL(m);
8040: if ( trace )
8041: p = nd_demand?nd_ps_trace_sym[pair->index]:nd_ps_trace[pair->index];
8042: else
8043: p = nd_demand?nd_ps_sym[pair->index]:nd_ps[pair->index];
8044:
8045: len = LEN(p);
8046: t = (UINT *)MALLOC(nd_wpd*sizeof(UINT));
8047: v = (unsigned int *)MALLOC(len*sizeof(unsigned int));
1.11 noro 8048: for ( prev = start, mr = BDY(p), j = 0; j < len; j++, NMV_ADV(mr) ) {
8049: ndl_add(d,DL(mr),t);
8050: st = prev;
8051: ed = n;
8052: while ( ed > st ) {
8053: md = (st+ed)/2;
8054: u = s0+md*nd_wpd;
8055: c = DL_COMPARE(u,t);
8056: if ( c == 0 ) break;
8057: else if ( c > 0 ) st = md;
8058: else ed = md;
8059: }
8060: prev = v[j] = md;
1.1 noro 8061: }
8062: r = (IndArray)MALLOC(sizeof(struct oIndArray));
8063: r->head = v[0];
8064: diff = 0;
8065: for ( i = 1; i < len; i++ ) {
8066: cdiff = v[i]-v[i-1]; diff = MAX(cdiff,diff);
8067: }
8068: if ( diff < 256 ) {
8069: r->width = 1;
8070: ivc = (unsigned char *)MALLOC_ATOMIC(len*sizeof(unsigned char));
8071: r->index.c = ivc;
8072: for ( i = 1, ivc[0] = 0; i < len; i++ ) ivc[i] = v[i]-v[i-1];
8073: } else if ( diff < 65536 ) {
8074: r->width = 2;
8075: ivs = (unsigned short *)MALLOC_ATOMIC(len*sizeof(unsigned short));
8076: r->index.s = ivs;
8077: for ( i = 1, ivs[0] = 0; i < len; i++ ) ivs[i] = v[i]-v[i-1];
8078: } else {
8079: r->width = 4;
8080: ivi = (unsigned int *)MALLOC_ATOMIC(len*sizeof(unsigned int));
8081: r->index.i = ivi;
8082: for ( i = 1, ivi[0] = 0; i < len; i++ ) ivi[i] = v[i]-v[i-1];
8083: }
8084: return r;
8085: }
8086:
8087: int compress_array(Z *svect,Z *cvect,int n)
8088: {
8089: int i,j;
8090:
8091: for ( i = j = 0; i < n; i++ )
8092: if ( svect[i] ) cvect[j++] = svect[i];
8093: return j;
8094: }
8095:
8096: void expand_array(Z *svect,Z *cvect,int n)
8097: {
8098: int i,j;
8099:
8100: for ( i = j = 0; j < n; i++ )
8101: if ( svect[i] ) svect[i] = cvect[j++];
8102: }
8103:
1.8 noro 8104: #if 0
1.1 noro 8105: int ndv_reduce_vect_q(Z *svect,int trace,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
8106: {
8107: int i,j,k,len,pos,prev,nz;
8108: Z cs,mcs,c1,c2,cr,gcd,t;
8109: IndArray ivect;
8110: unsigned char *ivc;
8111: unsigned short *ivs;
8112: unsigned int *ivi;
8113: NDV redv;
8114: NMV mr;
8115: NODE rp;
8116: int maxrs;
8117: double hmag;
8118: Z *cvect;
1.3 noro 8119: int l;
1.1 noro 8120:
8121: maxrs = 0;
8122: for ( i = 0; i < col && !svect[i]; i++ );
8123: if ( i == col ) return maxrs;
8124: hmag = p_mag((P)svect[i])*nd_scale;
8125: cvect = (Z *)MALLOC(col*sizeof(Q));
8126: for ( i = 0; i < nred; i++ ) {
8127: ivect = imat[i];
8128: k = ivect->head;
8129: if ( svect[k] ) {
8130: maxrs = MAX(maxrs,rp0[i]->sugar);
8131: redv = nd_demand?ndv_load(rp0[i]->index)
8132: :(trace?nd_ps_trace[rp0[i]->index]:nd_ps[rp0[i]->index]);
8133: len = LEN(redv); mr = BDY(redv);
1.6 noro 8134: igcd_cofactor(svect[k],CZ(mr),&gcd,&cs,&cr);
1.1 noro 8135: chsgnz(cs,&mcs);
8136: if ( !UNIQ(cr) ) {
8137: for ( j = 0; j < col; j++ ) {
8138: mulz(svect[j],cr,&c1); svect[j] = c1;
8139: }
8140: }
8141: svect[k] = 0; prev = k;
8142: switch ( ivect->width ) {
8143: case 1:
8144: ivc = ivect->index.c;
8145: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8146: pos = prev+ivc[j]; prev = pos;
1.6 noro 8147: muladdtoz(CZ(mr),mcs,&svect[pos]);
1.1 noro 8148: }
8149: break;
8150: case 2:
8151: ivs = ivect->index.s;
8152: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8153: pos = prev+ivs[j]; prev = pos;
1.6 noro 8154: muladdtoz(CZ(mr),mcs,&svect[pos]);
1.1 noro 8155: }
8156: break;
8157: case 4:
8158: ivi = ivect->index.i;
8159: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8160: pos = prev+ivi[j]; prev = pos;
1.6 noro 8161: muladdtoz(CZ(mr),mcs,&svect[pos]);
1.1 noro 8162: }
8163: break;
8164: }
8165: for ( j = k+1; j < col && !svect[j]; j++ );
8166: if ( j == col ) break;
8167: if ( hmag && ((double)p_mag((P)svect[j]) > hmag) ) {
8168: nz = compress_array(svect,cvect,col);
8169: removecont_array((P *)cvect,nz,1);
8170: expand_array(svect,cvect,nz);
8171: hmag = ((double)p_mag((P)svect[j]))*nd_scale;
8172: }
8173: }
8174: }
8175: nz = compress_array(svect,cvect,col);
8176: removecont_array((P *)cvect,nz,1);
8177: expand_array(svect,cvect,nz);
8178: if ( DP_Print ) {
8179: fprintf(asir_out,"-"); fflush(asir_out);
8180: }
8181: return maxrs;
8182: }
1.4 noro 8183: #else
1.9 noro 8184:
1.4 noro 8185: /* direct mpz version */
8186: int ndv_reduce_vect_q(Z *svect0,int trace,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
8187: {
8188: int i,j,k,len,pos,prev;
8189: mpz_t cs,cr,gcd;
8190: IndArray ivect;
8191: unsigned char *ivc;
8192: unsigned short *ivs;
8193: unsigned int *ivi;
8194: NDV redv;
8195: NMV mr;
8196: NODE rp;
8197: int maxrs;
8198: double hmag;
8199: int l;
1.13 noro 8200: static mpz_t *svect;
8201: static int svect_len=0;
1.4 noro 8202:
8203: maxrs = 0;
8204: for ( i = 0; i < col && !svect0[i]; i++ );
8205: if ( i == col ) return maxrs;
8206: hmag = p_mag((P)svect0[i])*nd_scale;
1.13 noro 8207: if ( col > svect_len ) {
8208: svect = (mpz_t *)MALLOC(col*sizeof(mpz_t));
8209: svect_len = col;
8210: }
1.4 noro 8211: for ( i = 0; i < col; i++ ) {
8212: mpz_init(svect[i]);
8213: if ( svect0[i] )
8214: mpz_set(svect[i],BDY(svect0[i]));
8215: else
8216: mpz_set_ui(svect[i],0);
8217: }
8218: mpz_init(gcd); mpz_init(cs); mpz_init(cr);
8219: for ( i = 0; i < nred; i++ ) {
8220: ivect = imat[i];
8221: k = ivect->head;
8222: if ( mpz_sgn(svect[k]) ) {
8223: maxrs = MAX(maxrs,rp0[i]->sugar);
8224: redv = nd_demand?ndv_load(rp0[i]->index)
8225: :(trace?nd_ps_trace[rp0[i]->index]:nd_ps[rp0[i]->index]);
8226: len = LEN(redv); mr = BDY(redv);
1.6 noro 8227: mpz_gcd(gcd,svect[k],BDY(CZ(mr)));
1.4 noro 8228: mpz_div(cs,svect[k],gcd);
1.6 noro 8229: mpz_div(cr,BDY(CZ(mr)),gcd);
1.4 noro 8230: mpz_neg(cs,cs);
1.9 noro 8231: if ( MUNIMPZ(cr) )
8232: for ( j = 0; j < col; j++ ) mpz_neg(svect[j],svect[j]);
8233: else if ( !UNIMPZ(cr) )
8234: for ( j = 0; j < col; j++ ) {
8235: if ( mpz_sgn(svect[j]) ) mpz_mul(svect[j],svect[j],cr);
8236: }
1.4 noro 8237: mpz_set_ui(svect[k],0);
8238: prev = k;
8239: switch ( ivect->width ) {
8240: case 1:
8241: ivc = ivect->index.c;
8242: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8243: pos = prev+ivc[j]; prev = pos;
1.6 noro 8244: mpz_addmul(svect[pos],BDY(CZ(mr)),cs);
1.4 noro 8245: }
8246: break;
8247: case 2:
8248: ivs = ivect->index.s;
8249: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8250: pos = prev+ivs[j]; prev = pos;
1.6 noro 8251: mpz_addmul(svect[pos],BDY(CZ(mr)),cs);
1.4 noro 8252: }
8253: break;
8254: case 4:
8255: ivi = ivect->index.i;
8256: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8257: pos = prev+ivi[j]; prev = pos;
1.6 noro 8258: mpz_addmul(svect[pos],BDY(CZ(mr)),cs);
1.4 noro 8259: }
8260: break;
8261: }
8262: for ( j = k+1; j < col && !svect[j]; j++ );
8263: if ( j == col ) break;
8264: if ( hmag && ((double)mpz_sizeinbase(svect[j],2) > hmag) ) {
8265: mpz_removecont_array(svect,col);
8266: hmag = ((double)mpz_sizeinbase(svect[j],2))*nd_scale;
8267: }
8268: }
8269: }
8270: mpz_removecont_array(svect,col);
8271: if ( DP_Print ) {
8272: fprintf(asir_out,"-"); fflush(asir_out);
8273: }
8274: for ( i = 0; i < col; i++ )
8275: if ( mpz_sgn(svect[i]) ) MPZTOZ(svect[i],svect0[i]);
8276: else svect0[i] = 0;
8277: return maxrs;
8278: }
8279: #endif
1.1 noro 8280:
1.40 noro 8281: int ndv_reduce_vect(int m,UINT *svect,int col,IndArray *imat,NM_ind_pair *rp0,int nred,SIG sig)
1.1 noro 8282: {
8283: int i,j,k,len,pos,prev;
8284: UINT c,c1,c2,c3,up,lo,dmy;
8285: IndArray ivect;
8286: unsigned char *ivc;
8287: unsigned short *ivs;
8288: unsigned int *ivi;
8289: NDV redv;
8290: NMV mr;
8291: NODE rp;
8292: int maxrs;
8293:
8294: maxrs = 0;
8295: for ( i = 0; i < nred; i++ ) {
8296: ivect = imat[i];
8297: k = ivect->head; svect[k] %= m;
1.40 noro 8298: if ( (c = svect[k]) != 0 && (sig == 0 || comp_sig(sig,rp0[i]->sig) > 0 ) ) {
1.1 noro 8299: maxrs = MAX(maxrs,rp0[i]->sugar);
8300: c = m-c; redv = nd_ps[rp0[i]->index];
8301: len = LEN(redv); mr = BDY(redv);
8302: svect[k] = 0; prev = k;
8303: switch ( ivect->width ) {
8304: case 1:
8305: ivc = ivect->index.c;
8306: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8307: pos = prev+ivc[j]; c1 = CM(mr); prev = pos;
1.40 noro 8308: if ( c1 ) {
8309: c2 = svect[pos];
1.1 noro 8310: DMA(c1,c,c2,up,lo);
8311: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
8312: } else svect[pos] = lo;
1.40 noro 8313: }
1.1 noro 8314: }
8315: break;
8316: case 2:
8317: ivs = ivect->index.s;
8318: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8319: pos = prev+ivs[j]; c1 = CM(mr);
8320: prev = pos;
1.40 noro 8321: if ( c1 ) {
8322: c2 = svect[pos];
1.1 noro 8323: DMA(c1,c,c2,up,lo);
8324: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
8325: } else svect[pos] = lo;
1.40 noro 8326: }
1.1 noro 8327: }
8328: break;
8329: case 4:
8330: ivi = ivect->index.i;
8331: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8332: pos = prev+ivi[j]; c1 = CM(mr);
8333: prev = pos;
1.40 noro 8334: if ( c1 ) {
8335: c2 = svect[pos];
1.1 noro 8336: DMA(c1,c,c2,up,lo);
8337: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
8338: } else svect[pos] = lo;
1.40 noro 8339: }
1.1 noro 8340: }
8341: break;
8342: }
8343: }
8344: }
8345: for ( i = 0; i < col; i++ )
8346: if ( svect[i] >= (UINT)m ) svect[i] %= m;
8347: return maxrs;
8348: }
8349:
8350: int ndv_reduce_vect_sf(int m,UINT *svect,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
8351: {
8352: int i,j,k,len,pos,prev;
8353: UINT c,c1,c2,c3,up,lo,dmy;
8354: IndArray ivect;
8355: unsigned char *ivc;
8356: unsigned short *ivs;
8357: unsigned int *ivi;
8358: NDV redv;
8359: NMV mr;
8360: NODE rp;
8361: int maxrs;
8362:
8363: maxrs = 0;
8364: for ( i = 0; i < nred; i++ ) {
8365: ivect = imat[i];
8366: k = ivect->head;
8367: if ( (c = svect[k]) != 0 ) {
8368: maxrs = MAX(maxrs,rp0[i]->sugar);
8369: c = _chsgnsf(c); redv = nd_ps[rp0[i]->index];
8370: len = LEN(redv); mr = BDY(redv);
8371: svect[k] = 0; prev = k;
8372: switch ( ivect->width ) {
8373: case 1:
8374: ivc = ivect->index.c;
8375: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8376: pos = prev+ivc[j]; prev = pos;
8377: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
8378: }
8379: break;
8380: case 2:
8381: ivs = ivect->index.s;
8382: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8383: pos = prev+ivs[j]; prev = pos;
8384: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
8385: }
8386: break;
8387: case 4:
8388: ivi = ivect->index.i;
8389: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8390: pos = prev+ivi[j]; prev = pos;
8391: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
8392: }
8393: break;
8394: }
8395: }
8396: }
8397: return maxrs;
8398: }
8399:
8400: ND nd_add_lf(ND p1,ND p2)
8401: {
8402: int n,c,can;
8403: ND r;
8404: NM m1,m2,mr0,mr,s;
8405: Z t;
8406:
8407: if ( !p1 ) return p2;
8408: else if ( !p2 ) return p1;
8409: else {
8410: can = 0;
8411: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
8412: c = DL_COMPARE(DL(m1),DL(m2));
8413: switch ( c ) {
8414: case 0:
8415: addlf(CZ(m1),CZ(m2),&t);
8416: s = m1; m1 = NEXT(m1);
8417: if ( t ) {
8418: can++; NEXTNM2(mr0,mr,s); CZ(mr) = (t);
8419: } else {
8420: can += 2; FREENM(s);
8421: }
8422: s = m2; m2 = NEXT(m2); FREENM(s);
8423: break;
8424: case 1:
8425: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
8426: break;
8427: case -1:
8428: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
8429: break;
8430: }
8431: }
8432: if ( !mr0 )
8433: if ( m1 ) mr0 = m1;
8434: else if ( m2 ) mr0 = m2;
8435: else return 0;
8436: else if ( m1 ) NEXT(mr) = m1;
8437: else if ( m2 ) NEXT(mr) = m2;
8438: else NEXT(mr) = 0;
8439: BDY(p1) = mr0;
8440: SG(p1) = MAX(SG(p1),SG(p2));
8441: LEN(p1) = LEN(p1)+LEN(p2)-can;
8442: FREEND(p2);
8443: return p1;
8444: }
8445: }
8446:
8447: int ndv_reduce_vect_lf(mpz_t *svect,int trace,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
8448: {
8449: int i,j,k,len,pos,prev;
8450: mpz_t c,mc,c1;
8451: IndArray ivect;
8452: unsigned char *ivc;
8453: unsigned short *ivs;
8454: unsigned int *ivi;
8455: NDV redv;
8456: NMV mr;
8457: NODE rp;
8458: int maxrs;
8459:
8460: maxrs = 0;
8461: lf_lazy = 1;
8462: for ( i = 0; i < nred; i++ ) {
8463: ivect = imat[i];
8464: k = ivect->head;
8465: mpz_mod(svect[k],svect[k],BDY(current_mod_lf));
8466: if ( mpz_sgn(svect[k]) ) {
8467: maxrs = MAX(maxrs,rp0[i]->sugar);
8468: mpz_neg(svect[k],svect[k]);
8469: redv = trace?nd_ps_trace[rp0[i]->index]:nd_ps[rp0[i]->index];
8470: len = LEN(redv); mr = BDY(redv);
8471: prev = k;
8472: switch ( ivect->width ) {
8473: case 1:
8474: ivc = ivect->index.c;
8475: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8476: pos = prev+ivc[j]; prev = pos;
8477: mpz_addmul(svect[pos],svect[k],BDY(CZ(mr)));
8478: }
8479: break;
8480: case 2:
8481: ivs = ivect->index.s;
8482: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8483: pos = prev+ivs[j]; prev = pos;
8484: mpz_addmul(svect[pos],svect[k],BDY(CZ(mr)));
8485: }
8486: break;
8487: case 4:
8488: ivi = ivect->index.i;
8489: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
8490: pos = prev+ivi[j]; prev = pos;
8491: mpz_addmul(svect[pos],svect[k],BDY(CZ(mr)));
8492: }
8493: break;
8494: }
8495: mpz_set_ui(svect[k],0);
8496: }
8497: }
8498: lf_lazy=0;
8499: for ( i = 0; i < col; i++ ) {
8500: mpz_mod(svect[i],svect[i],BDY(current_mod_lf));
8501: }
8502: return maxrs;
8503: }
8504:
8505: int nd_gauss_elim_lf(mpz_t **mat0,int *sugar,int row,int col,int *colstat)
8506: {
8507: int i,j,k,l,rank,s;
8508: mpz_t a,a1,inv;
8509: mpz_t *t,*pivot,*pk;
8510: mpz_t **mat;
8511: struct oEGT eg0,eg1,eg_forward,eg_mod,eg_back;
8512: int size,size1;
8513:
8514: mpz_init(inv);
8515: mpz_init(a);
8516: mat = (mpz_t **)mat0;
8517: size = 0;
8518: for ( rank = 0, j = 0; j < col; j++ ) {
8519: for ( i = rank; i < row; i++ ) {
8520: mpz_mod(mat[i][j],mat[i][j],BDY(current_mod_lf));
8521: }
8522: for ( i = rank; i < row; i++ )
8523: if ( mpz_sgn(mat[i][j]) )
8524: break;
8525: if ( i == row ) {
8526: colstat[j] = 0;
8527: continue;
8528: } else
8529: colstat[j] = 1;
8530: if ( i != rank ) {
8531: t = mat[i]; mat[i] = mat[rank]; mat[rank] = t;
8532: s = sugar[i]; sugar[i] = sugar[rank]; sugar[rank] = s;
8533: }
8534: pivot = mat[rank];
8535: s = sugar[rank];
8536: mpz_invert(inv,pivot[j],BDY(current_mod_lf));
8537: for ( k = j, pk = pivot+k; k < col; k++, pk++ )
8538: if ( mpz_sgn(*pk) ) {
8539: mpz_mul(a,*pk,inv); mpz_mod(*pk,a,BDY(current_mod_lf));
8540: }
8541: for ( i = rank+1; i < row; i++ ) {
8542: t = mat[i];
8543: if ( mpz_sgn(t[j]) ) {
8544: sugar[i] = MAX(sugar[i],s);
8545: mpz_neg(a,t[j]);
8546: red_by_vect_lf(t+j,pivot+j,a,col-j);
8547: }
8548: }
8549: rank++;
8550: }
8551: for ( j = col-1, l = rank-1; j >= 0; j-- )
8552: if ( colstat[j] ) {
8553: pivot = mat[l];
8554: s = sugar[l];
8555: for ( k = j; k < col; k++ )
8556: mpz_mod(pivot[k],pivot[k],BDY(current_mod_lf));
8557: for ( i = 0; i < l; i++ ) {
8558: t = mat[i];
8559: if ( mpz_sgn(t[j]) ) {
8560: sugar[i] = MAX(sugar[i],s);
8561: mpz_neg(a,t[j]);
8562: red_by_vect_lf(t+j,pivot+j,a,col-j);
8563: }
8564: }
8565: l--;
8566: }
8567: for ( j = 0, l = 0; l < rank; j++ )
8568: if ( colstat[j] ) {
8569: t = mat[l];
8570: for ( k = j; k < col; k++ ) {
8571: mpz_mod(t[k],t[k],BDY(current_mod_lf));
8572: }
8573: l++;
8574: }
8575: return rank;
8576: }
8577:
8578:
8579: NDV vect_to_ndv(UINT *vect,int spcol,int col,int *rhead,UINT *s0vect)
8580: {
8581: int j,k,len;
8582: UINT *p;
8583: UINT c;
8584: NDV r;
8585: NMV mr0,mr;
8586:
8587: for ( j = 0, len = 0; j < spcol; j++ ) if ( vect[j] ) len++;
8588: if ( !len ) return 0;
8589: else {
8590: mr0 = (NMV)MALLOC_ATOMIC_IGNORE_OFF_PAGE(nmv_adv*len);
8591: #if 0
8592: ndv_alloc += nmv_adv*len;
8593: #endif
8594: mr = mr0;
8595: p = s0vect;
8596: for ( j = k = 0; j < col; j++, p += nd_wpd )
8597: if ( !rhead[j] ) {
8598: if ( (c = vect[k++]) != 0 ) {
8599: ndl_copy(p,DL(mr)); CM(mr) = c; NMV_ADV(mr);
8600: }
8601: }
8602: MKNDV(nd_nvar,mr0,len,r);
8603: return r;
8604: }
8605: }
8606:
1.40 noro 8607: NDV vect_to_ndv_s(UINT *vect,int col,UINT *s0vect)
8608: {
8609: int j,k,len;
8610: UINT *p;
8611: UINT c;
8612: NDV r;
8613: NMV mr0,mr;
8614:
8615: for ( j = 0, len = 0; j < col; j++ ) if ( vect[j] ) len++;
8616: if ( !len ) return 0;
8617: else {
8618: mr0 = (NMV)MALLOC_ATOMIC_IGNORE_OFF_PAGE(nmv_adv*len);
8619: mr = mr0;
8620: p = s0vect;
8621: for ( j = k = 0; j < col; j++, p += nd_wpd )
8622: if ( (c = vect[k++]) != 0 ) {
8623: ndl_copy(p,DL(mr)); CM(mr) = c; NMV_ADV(mr);
8624: }
8625: MKNDV(nd_nvar,mr0,len,r);
8626: return r;
8627: }
8628: }
8629:
1.1 noro 8630: NDV vect_to_ndv_2(unsigned long *vect,int col,UINT *s0vect)
8631: {
8632: int j,k,len;
8633: UINT *p;
8634: NDV r;
8635: NMV mr0,mr;
8636:
8637: for ( j = 0, len = 0; j < col; j++ ) if ( vect[j/BLEN] & (1L<<(j%BLEN)) ) len++;
8638: if ( !len ) return 0;
8639: else {
8640: mr0 = (NMV)MALLOC_ATOMIC_IGNORE_OFF_PAGE(nmv_adv*len);
8641: mr = mr0;
8642: p = s0vect;
8643: for ( j = 0; j < col; j++, p += nd_wpd )
8644: if ( vect[j/BLEN] & (1L<<(j%BLEN)) ) {
8645: ndl_copy(p,DL(mr)); CM(mr) = 1; NMV_ADV(mr);
8646: }
8647: MKNDV(nd_nvar,mr0,len,r);
8648: return r;
8649: }
8650: }
8651:
8652: /* for preprocessed vector */
8653:
8654: NDV vect_to_ndv_q(Z *vect,int spcol,int col,int *rhead,UINT *s0vect)
8655: {
1.6 noro 8656: int j,k,len;
8657: UINT *p;
8658: Z c;
8659: NDV r;
8660: NMV mr0,mr;
1.1 noro 8661:
1.6 noro 8662: for ( j = 0, len = 0; j < spcol; j++ ) if ( vect[j] ) len++;
8663: if ( !len ) return 0;
8664: else {
8665: mr0 = (NMV)MALLOC(nmv_adv*len);
1.1 noro 8666: #if 0
1.6 noro 8667: ndv_alloc += nmv_adv*len;
1.1 noro 8668: #endif
1.6 noro 8669: mr = mr0;
8670: p = s0vect;
8671: for ( j = k = 0; j < col; j++, p += nd_wpd ) {
8672: if ( !rhead[j] ) {
8673: if ( (c = vect[k++]) != 0 ) {
8674: if ( !INT(c) )
8675: error("vect_to_ndv_q : components must be integers");
8676: ndl_copy(p,DL(mr)); CZ(mr) = c; NMV_ADV(mr);
8677: }
8678: }
1.1 noro 8679: }
1.6 noro 8680: MKNDV(nd_nvar,mr0,len,r);
8681: return r;
8682: }
1.1 noro 8683: }
8684:
8685: NDV vect_to_ndv_lf(mpz_t *vect,int spcol,int col,int *rhead,UINT *s0vect)
8686: {
8687: int j,k,len;
8688: UINT *p;
8689: mpz_t c;
8690: NDV r;
8691: NMV mr0,mr;
8692:
8693: for ( j = 0, len = 0; j < spcol; j++ ) if ( mpz_sgn(vect[j]) ) len++;
8694: if ( !len ) return 0;
8695: else {
8696: mr0 = (NMV)MALLOC(nmv_adv*len);
8697: #if 0
8698: ndv_alloc += nmv_adv*len;
8699: #endif
8700: mr = mr0;
8701: p = s0vect;
8702: for ( j = k = 0; j < col; j++, p += nd_wpd )
8703: if ( !rhead[j] ) {
8704: c[0] = vect[k++][0];
8705: if ( mpz_sgn(c) ) {
8706: ndl_copy(p,DL(mr)); MPZTOZ(c,CZ(mr)); NMV_ADV(mr);
8707: }
8708: }
8709: MKNDV(nd_nvar,mr0,len,r);
8710: return r;
8711: }
8712: }
8713:
8714: /* for plain vector */
8715:
8716: NDV plain_vect_to_ndv_q(Z *vect,int col,UINT *s0vect)
8717: {
8718: int j,k,len;
8719: UINT *p;
8720: Z c;
8721: NDV r;
8722: NMV mr0,mr;
8723:
8724: for ( j = 0, len = 0; j < col; j++ ) if ( vect[j] ) len++;
8725: if ( !len ) return 0;
8726: else {
8727: mr0 = (NMV)MALLOC(nmv_adv*len);
8728: #if 0
8729: ndv_alloc += nmv_adv*len;
8730: #endif
8731: mr = mr0;
8732: p = s0vect;
8733: for ( j = k = 0; j < col; j++, p += nd_wpd, k++ )
8734: if ( (c = vect[k]) != 0 ) {
8735: if ( !INT(c) )
1.6 noro 8736: error("plain_vect_to_ndv_q : components must be integers");
8737: ndl_copy(p,DL(mr)); CZ(mr) = c; NMV_ADV(mr);
1.1 noro 8738: }
8739: MKNDV(nd_nvar,mr0,len,r);
8740: return r;
8741: }
8742: }
8743:
8744: int nd_sp_f4(int m,int trace,ND_pairs l,PGeoBucket bucket)
8745: {
8746: ND_pairs t;
8747: NODE sp0,sp;
8748: int stat;
8749: ND spol;
8750:
8751: for ( t = l; t; t = NEXT(t) ) {
8752: stat = nd_sp(m,trace,t,&spol);
8753: if ( !stat ) return 0;
8754: if ( spol ) {
8755: add_pbucket_symbolic(bucket,spol);
8756: }
8757: }
8758: return 1;
8759: }
8760:
8761: int nd_symbolic_preproc(PGeoBucket bucket,int trace,UINT **s0vect,NODE *r)
8762: {
8763: NODE rp0,rp;
8764: NM mul,head,s0,s;
8765: int index,col,i,sugar;
8766: RHist h;
8767: UINT *s0v,*p;
8768: NM_ind_pair pair;
8769: ND red;
8770: NDV *ps;
8771:
8772: s0 = 0; rp0 = 0; col = 0;
8773: if ( nd_demand )
8774: ps = trace?nd_ps_trace_sym:nd_ps_sym;
8775: else
8776: ps = trace?nd_ps_trace:nd_ps;
8777: while ( 1 ) {
8778: head = remove_head_pbucket_symbolic(bucket);
8779: if ( !head ) break;
8780: if ( !s0 ) s0 = head;
8781: else NEXT(s) = head;
8782: s = head;
8783: index = ndl_find_reducer(DL(head));
8784: if ( index >= 0 ) {
8785: h = nd_psh[index];
8786: NEWNM(mul);
8787: ndl_sub(DL(head),DL(h),DL(mul));
8788: if ( ndl_check_bound2(index,DL(mul)) )
8789: return 0;
8790: sugar = TD(DL(mul))+SG(ps[index]);
1.28 noro 8791: MKNM_ind_pair(pair,mul,index,sugar,0);
1.1 noro 8792: red = ndv_mul_nm_symbolic(mul,ps[index]);
8793: add_pbucket_symbolic(bucket,nd_remove_head(red));
8794: NEXTNODE(rp0,rp); BDY(rp) = (pointer)pair;
8795: }
8796: col++;
8797: }
8798: if ( rp0 ) NEXT(rp) = 0;
8799: NEXT(s) = 0;
8800: s0v = (UINT *)MALLOC_ATOMIC(col*nd_wpd*sizeof(UINT));
8801: for ( i = 0, p = s0v, s = s0; i < col;
8802: i++, p += nd_wpd, s = NEXT(s) ) ndl_copy(DL(s),p);
8803: *s0vect = s0v;
8804: *r = rp0;
8805: return col;
8806: }
8807:
8808: void print_ndp(ND_pairs l)
8809: {
8810: ND_pairs t;
8811:
8812: for ( t = l; t; t = NEXT(t) )
8813: printf("[%d,%d] ",t->i1,t->i2);
8814: printf("\n");
8815: }
8816:
8817: NODE nd_f4(int m,int checkonly,int **indp)
8818: {
8819: int i,nh,stat,index,f4red;
8820: NODE r,g,tn0,tn,node;
8821: ND_pairs d,l,t,ll0,ll,lh;
8822: LIST l0,l1;
8823: ND spol,red;
8824: NDV nf,redv;
8825: NM s0,s;
8826: NODE rp0,srp0,nflist,nzlist,nzlist_t;
8827: int nsp,nred,col,rank,len,k,j,a,i1s,i2s;
8828: UINT c;
8829: UINT **spmat;
8830: UINT *s0vect,*svect,*p,*v;
8831: int *colstat;
8832: IndArray *imat;
8833: int *rhead;
8834: int spcol,sprow;
8835: int sugar,sugarh;
8836: PGeoBucket bucket;
8837: struct oEGT eg0,eg1,eg_f4;
8838: Z i1,i2,sugarq;
1.12 noro 8839:
8840: init_eg(&f4_symb); init_eg(&f4_conv); init_eg(&f4_conv); init_eg(&f4_elim1); init_eg(&f4_elim2);
1.1 noro 8841: #if 0
8842: ndv_alloc = 0;
8843: #endif
1.11 noro 8844: Nf4_red=0;
1.1 noro 8845: g = 0; d = 0;
8846: for ( i = 0; i < nd_psn; i++ ) {
8847: d = update_pairs(d,g,i,0);
8848: g = update_base(g,i);
8849: }
8850: nzlist = 0;
8851: nzlist_t = nd_nzlist;
8852: f4red = 1;
8853: nd_last_nonzero = 0;
8854: while ( d ) {
8855: get_eg(&eg0);
8856: l = nd_minsugarp(d,&d);
8857: sugar = nd_sugarweight?l->sugar2:SG(l);
8858: if ( MaxDeg > 0 && sugar > MaxDeg ) break;
8859: if ( nzlist_t ) {
8860: node = BDY((LIST)BDY(nzlist_t));
1.6 noro 8861: sugarh = ZTOS((Q)ARG0(node));
1.1 noro 8862: tn = BDY((LIST)ARG1(node));
8863: if ( !tn ) {
8864: nzlist_t = NEXT(nzlist_t);
8865: continue;
8866: }
8867: /* tn = [[i1,i2],...] */
8868: lh = nd_ipairtospair(tn);
8869: }
8870: bucket = create_pbucket();
8871: stat = nd_sp_f4(m,0,l,bucket);
8872: if ( !stat ) {
8873: for ( t = l; NEXT(t); t = NEXT(t) );
8874: NEXT(t) = d; d = l;
8875: d = nd_reconstruct(0,d);
8876: continue;
8877: }
8878: if ( bucket->m < 0 ) continue;
8879: col = nd_symbolic_preproc(bucket,0,&s0vect,&rp0);
8880: if ( !col ) {
8881: for ( t = l; NEXT(t); t = NEXT(t) );
8882: NEXT(t) = d; d = l;
8883: d = nd_reconstruct(0,d);
8884: continue;
8885: }
1.12 noro 8886: get_eg(&eg1); init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg1); add_eg(&f4_symb,&eg0,&eg1);
1.1 noro 8887: if ( DP_Print )
1.6 noro 8888: fprintf(asir_out,"sugar=%d,symb=%.3fsec,",
1.5 noro 8889: sugar,eg_f4.exectime);
1.1 noro 8890: nflist = nd_f4_red(m,nd_nzlist?lh:l,0,s0vect,col,rp0,nd_gentrace?&ll:0);
8891: if ( checkonly && nflist ) return 0;
8892: /* adding new bases */
8893: if ( nflist ) nd_last_nonzero = f4red;
8894: for ( r = nflist; r; r = NEXT(r) ) {
8895: nf = (NDV)BDY(r);
1.38 noro 8896: if ( nd_f4_td ) SG(nf) = nd_tdeg(nf);
1.1 noro 8897: ndv_removecont(m,nf);
8898: if ( !m && nd_nalg ) {
8899: ND nf1;
8900:
8901: nf1 = ndvtond(m,nf);
8902: nd_monic(0,&nf1);
8903: nd_removecont(m,nf1);
8904: nf = ndtondv(m,nf1);
8905: }
1.24 noro 8906: nh = ndv_newps(m,nf,0);
1.1 noro 8907: d = update_pairs(d,g,nh,0);
8908: g = update_base(g,nh);
8909: }
8910: if ( DP_Print ) {
8911: fprintf(asir_out,"f4red=%d,gblen=%d\n",f4red,length(g)); fflush(asir_out);
8912: }
8913: if ( nd_gentrace ) {
8914: for ( t = ll, tn0 = 0; t; t = NEXT(t) ) {
8915: NEXTNODE(tn0,tn);
1.6 noro 8916: STOZ(t->i1,i1); STOZ(t->i2,i2);
1.1 noro 8917: node = mknode(2,i1,i2); MKLIST(l0,node);
8918: BDY(tn) = l0;
8919: }
8920: if ( tn0 ) NEXT(tn) = 0; MKLIST(l0,tn0);
1.6 noro 8921: STOZ(sugar,sugarq); node = mknode(2,sugarq,l0); MKLIST(l1,node);
1.1 noro 8922: MKNODE(node,l1,nzlist); nzlist = node;
8923: }
8924: if ( nd_nzlist ) nzlist_t = NEXT(nzlist_t);
8925: f4red++;
8926: if ( nd_f4red && f4red > nd_f4red ) break;
8927: if ( nd_rank0 && !nflist ) break;
8928: }
8929: if ( nd_gentrace ) {
8930: MKLIST(l0,reverse_node(nzlist));
8931: MKNODE(nd_alltracelist,l0,0);
8932: }
8933: #if 0
8934: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
8935: #endif
1.12 noro 8936: if ( DP_Print ) {
8937: fprintf(asir_out,"number of red=%d,",Nf4_red);
8938: fprintf(asir_out,"symb=%.3fsec,conv=%.3fsec,elim1=%.3fsec,elim2=%.3fsec\n",
8939: f4_symb.exectime,f4_conv.exectime,f4_elim1.exectime,f4_elim2.exectime);
1.41 noro 8940: fprintf(asir_out,"number of removed pairs=%d\n,",NcriB+NcriMF+Ncri2);
1.12 noro 8941: }
1.1 noro 8942: conv_ilist(nd_demand,0,g,indp);
8943: return g;
8944: }
8945:
8946: NODE nd_f4_trace(int m,int **indp)
8947: {
8948: int i,nh,stat,index;
8949: NODE r,g;
8950: ND_pairs d,l,l0,t;
8951: ND spol,red;
8952: NDV nf,redv,nfqv,nfv;
8953: NM s0,s;
8954: NODE rp0,srp0,nflist;
8955: int nsp,nred,col,rank,len,k,j,a;
8956: UINT c;
8957: UINT **spmat;
8958: UINT *s0vect,*svect,*p,*v;
8959: int *colstat;
8960: IndArray *imat;
8961: int *rhead;
8962: int spcol,sprow;
8963: int sugar;
8964: PGeoBucket bucket;
8965: struct oEGT eg0,eg1,eg_f4;
8966:
8967: g = 0; d = 0;
8968: for ( i = 0; i < nd_psn; i++ ) {
8969: d = update_pairs(d,g,i,0);
8970: g = update_base(g,i);
8971: }
8972: while ( d ) {
8973: get_eg(&eg0);
8974: l = nd_minsugarp(d,&d);
8975: sugar = SG(l);
8976: if ( MaxDeg > 0 && sugar > MaxDeg ) break;
8977: bucket = create_pbucket();
8978: stat = nd_sp_f4(m,0,l,bucket);
8979: if ( !stat ) {
8980: for ( t = l; NEXT(t); t = NEXT(t) );
8981: NEXT(t) = d; d = l;
8982: d = nd_reconstruct(1,d);
8983: continue;
8984: }
8985: if ( bucket->m < 0 ) continue;
8986: col = nd_symbolic_preproc(bucket,0,&s0vect,&rp0);
8987: if ( !col ) {
8988: for ( t = l; NEXT(t); t = NEXT(t) );
8989: NEXT(t) = d; d = l;
8990: d = nd_reconstruct(1,d);
8991: continue;
8992: }
8993: get_eg(&eg1); init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg1);
8994: if ( DP_Print )
1.3 noro 8995: fprintf(asir_out,"\nsugar=%d,symb=%.3fsec,",
1.5 noro 8996: sugar,eg_f4.exectime);
1.1 noro 8997: nflist = nd_f4_red(m,l,0,s0vect,col,rp0,&l0);
8998: if ( !l0 ) continue;
8999: l = l0;
9000:
9001: /* over Q */
9002: bucket = create_pbucket();
9003: stat = nd_sp_f4(0,1,l,bucket);
9004: if ( !stat ) {
9005: for ( t = l; NEXT(t); t = NEXT(t) );
9006: NEXT(t) = d; d = l;
9007: d = nd_reconstruct(1,d);
9008: continue;
9009: }
9010: if ( bucket->m < 0 ) continue;
9011: col = nd_symbolic_preproc(bucket,1,&s0vect,&rp0);
9012: if ( !col ) {
9013: for ( t = l; NEXT(t); t = NEXT(t) );
9014: NEXT(t) = d; d = l;
9015: d = nd_reconstruct(1,d);
9016: continue;
9017: }
9018: nflist = nd_f4_red(0,l,1,s0vect,col,rp0,0);
9019: /* adding new bases */
9020: for ( r = nflist; r; r = NEXT(r) ) {
9021: nfqv = (NDV)BDY(r);
9022: ndv_removecont(0,nfqv);
1.6 noro 9023: if ( !remqi((Q)HCZ(nfqv),m) ) return 0;
1.1 noro 9024: if ( nd_nalg ) {
9025: ND nf1;
9026:
9027: nf1 = ndvtond(m,nfqv);
9028: nd_monic(0,&nf1);
9029: nd_removecont(0,nf1);
9030: nfqv = ndtondv(0,nf1); nd_free(nf1);
9031: }
9032: nfv = ndv_dup(0,nfqv);
9033: ndv_mod(m,nfv);
9034: ndv_removecont(m,nfv);
1.24 noro 9035: nh = ndv_newps(0,nfv,nfqv);
1.1 noro 9036: d = update_pairs(d,g,nh,0);
9037: g = update_base(g,nh);
9038: }
9039: }
9040: #if 0
9041: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
9042: #endif
9043: conv_ilist(nd_demand,1,g,indp);
9044: return g;
9045: }
9046:
9047: int rref(matrix mat,int *sugar)
9048: {
9049: int row,col,i,j,k,l,s,wcol,wj;
9050: unsigned long bj;
9051: unsigned long **a;
9052: unsigned long *ai,*ak,*as,*t;
9053: int *pivot;
9054:
9055: row = mat->row;
9056: col = mat->col;
9057: a = mat->a;
9058: wcol = (col+BLEN-1)/BLEN;
9059: pivot = (int *)MALLOC_ATOMIC(row*sizeof(int));
9060: i = 0;
9061: for ( j = 0; j < col; j++ ) {
9062: wj = j/BLEN; bj = 1L<<(j%BLEN);
9063: for ( k = i; k < row; k++ )
9064: if ( a[k][wj] & bj ) break;
9065: if ( k == row ) continue;
9066: pivot[i] = j;
9067: if ( k != i ) {
9068: t = a[i]; a[i] = a[k]; a[k] = t;
9069: s = sugar[i]; sugar[i] = sugar[k]; sugar[k] = s;
9070: }
9071: ai = a[i];
9072: for ( k = i+1; k < row; k++ ) {
9073: ak = a[k];
9074: if ( ak[wj] & bj ) {
9075: for ( l = wj; l < wcol; l++ )
9076: ak[l] ^= ai[l];
9077: sugar[k] = MAX(sugar[k],sugar[i]);
9078: }
9079: }
9080: i++;
9081: }
9082: for ( k = i-1; k >= 0; k-- ) {
9083: j = pivot[k]; wj = j/BLEN; bj = 1L<<(j%BLEN);
9084: ak = a[k];
9085: for ( s = 0; s < k; s++ ) {
9086: as = a[s];
9087: if ( as[wj] & bj ) {
9088: for ( l = wj; l < wcol; l++ )
9089: as[l] ^= ak[l];
9090: sugar[s] = MAX(sugar[s],sugar[k]);
9091: }
9092: }
9093: }
9094: return i;
9095: }
9096:
9097: void print_matrix(matrix mat)
9098: {
9099: int row,col,i,j;
9100: unsigned long *ai;
9101:
9102: row = mat->row;
9103: col = mat->col;
9104: printf("%d x %d\n",row,col);
9105: for ( i = 0; i < row; i++ ) {
9106: ai = mat->a[i];
9107: for ( j = 0; j < col; j++ ) {
9108: if ( ai[j/BLEN] & (1L<<(j%BLEN)) ) putchar('1');
9109: else putchar('0');
9110: }
9111: putchar('\n');
9112: }
9113: }
9114:
9115: NDV vect_to_ndv_2(unsigned long *vect,int col,UINT *s0vect);
9116:
9117: void red_by_vect_2(matrix mat,int *sugar,unsigned long *v,int rhead,int rsugar)
9118: {
9119: int row,col,wcol,wj,i,j;
9120: unsigned long bj;
9121: unsigned long *ai;
9122: unsigned long **a;
9123: int len;
9124: int *pos;
9125:
9126: row = mat->row;
9127: col = mat->col;
9128: wcol = (col+BLEN-1)/BLEN;
9129: pos = (int *)MALLOC(wcol*sizeof(int));
9130: bzero(pos,wcol*sizeof(int));
9131: for ( i = j = 0; i < wcol; i++ )
9132: if ( v[i] ) pos[j++] = i;;
9133: len = j;
9134: wj = rhead/BLEN;
9135: bj = 1L<<rhead%BLEN;
9136: a = mat->a;
9137: for ( i = 0; i < row; i++ ) {
9138: ai = a[i];
9139: if ( ai[wj]&bj ) {
9140: for ( j = 0; j < len; j++ )
9141: ai[pos[j]] ^= v[pos[j]];
9142: sugar[i] = MAX(sugar[i],rsugar);
9143: }
9144: }
9145: }
9146:
9147: NODE nd_f4_red_2(ND_pairs sp0,UINT *s0vect,int col,NODE rp0,ND_pairs *nz)
9148: {
9149: int nsp,nred,i,i0,k,rank,row;
9150: NODE r0,rp;
9151: ND_pairs sp;
9152: ND spol;
9153: NM_ind_pair rt;
9154: int *s0hash;
9155: UINT *s;
9156: int *pivot,*sugar,*head;
9157: matrix mat;
9158: NM m;
9159: NODE r;
9160: struct oEGT eg0,eg1,eg2,eg_elim1,eg_elim2;
9161: int rhead,rsugar,size;
9162: unsigned long *v;
9163:
9164: get_eg(&eg0);
9165: for ( sp = sp0, nsp = 0; sp; sp = NEXT(sp), nsp++ );
9166: nred = length(rp0);
9167: mat = alloc_matrix(nsp,col);
9168: s0hash = (int *)MALLOC(col*sizeof(int));
9169: for ( i = 0, s = s0vect; i < col; i++, s += nd_wpd )
9170: s0hash[i] = ndl_hash_value(s);
9171:
9172: sugar = (int *)MALLOC(nsp*sizeof(int));
9173: for ( i = 0, sp = sp0; sp; sp = NEXT(sp) ) {
9174: nd_sp(2,0,sp,&spol);
9175: if ( spol ) {
9176: mat->a[i] = nd_to_vect_2(s0vect,col,s0hash,spol);
9177: sugar[i] = SG(spol);
9178: i++;
9179: }
9180: }
9181: mat->row = i;
9182: if ( DP_Print ) {
9183: fprintf(asir_out,"%dx%d,",mat->row,mat->col); fflush(asir_out);
9184: }
9185: size = ((col+BLEN-1)/BLEN)*sizeof(unsigned long);
9186: v = CALLOC((col+BLEN-1)/BLEN,sizeof(unsigned long));
9187: for ( rp = rp0, i = 0; rp; rp = NEXT(rp), i++ ) {
9188: rt = (NM_ind_pair)BDY(rp);
9189: bzero(v,size);
9190: rhead = nd_nm_to_vect_2(s0vect,col,s0hash,nd_ps[rt->index],rt->mul,v);
9191: rsugar = SG(nd_ps[rt->index])+TD(DL(rt->mul));
9192: red_by_vect_2(mat,sugar,v,rhead,rsugar);
9193: }
9194:
9195: get_eg(&eg1);
9196: init_eg(&eg_elim1); add_eg(&eg_elim1,&eg0,&eg1);
9197: rank = rref(mat,sugar);
9198:
9199: for ( i = 0, r0 = 0; i < rank; i++ ) {
9200: NEXTNODE(r0,r);
9201: BDY(r) = (pointer)vect_to_ndv_2(mat->a[i],col,s0vect);
9202: SG((NDV)BDY(r)) = sugar[i];
9203: }
9204: if ( r0 ) NEXT(r) = 0;
9205: get_eg(&eg2);
9206: init_eg(&eg_elim2); add_eg(&eg_elim2,&eg1,&eg2);
9207: if ( DP_Print ) {
9208: fprintf(asir_out,"elim1=%.3fsec,elim2=%.3fsec,",
1.5 noro 9209: eg_elim1.exectime,eg_elim2.exectime);
1.1 noro 9210: fflush(asir_out);
9211: }
9212: return r0;
9213: }
9214:
9215:
9216: NODE nd_f4_red(int m,ND_pairs sp0,int trace,UINT *s0vect,int col,NODE rp0,ND_pairs *nz)
9217: {
9218: IndArray *imat;
1.11 noro 9219: int nsp,nred,i,start;
1.1 noro 9220: int *rhead;
9221: NODE r0,rp;
9222: ND_pairs sp;
9223: NM_ind_pair *rvect;
9224: UINT *s;
9225: int *s0hash;
1.11 noro 9226: struct oEGT eg0,eg1,eg_conv;
1.1 noro 9227:
9228: if ( m == 2 && nd_rref2 )
9229: return nd_f4_red_2(sp0,s0vect,col,rp0,nz);
9230:
9231: for ( sp = sp0, nsp = 0; sp; sp = NEXT(sp), nsp++ );
9232: nred = length(rp0);
9233: imat = (IndArray *)MALLOC(nred*sizeof(IndArray));
9234: rhead = (int *)MALLOC(col*sizeof(int));
9235: for ( i = 0; i < col; i++ ) rhead[i] = 0;
9236:
9237: /* construction of index arrays */
1.11 noro 9238: get_eg(&eg0);
1.1 noro 9239: if ( DP_Print ) {
1.11 noro 9240: fprintf(asir_out,"%dx%d,",nsp+nred,col);
9241: fflush(asir_out);
1.1 noro 9242: }
9243: rvect = (NM_ind_pair *)MALLOC(nred*sizeof(NM_ind_pair));
1.11 noro 9244: for ( start = 0, rp = rp0, i = 0; rp; i++, rp = NEXT(rp) ) {
1.1 noro 9245: rvect[i] = (NM_ind_pair)BDY(rp);
1.11 noro 9246: imat[i] = nm_ind_pair_to_vect_compress(trace,s0vect,col,rvect[i],start);
1.1 noro 9247: rhead[imat[i]->head] = 1;
1.11 noro 9248: start = imat[i]->head;
9249: }
1.12 noro 9250: get_eg(&eg1); init_eg(&eg_conv); add_eg(&eg_conv,&eg0,&eg1); add_eg(&f4_conv,&eg0,&eg1);
1.11 noro 9251: if ( DP_Print ) {
9252: fprintf(asir_out,"conv=%.3fsec,",eg_conv.exectime);
9253: fflush(asir_out);
1.1 noro 9254: }
9255: if ( m > 0 )
1.7 noro 9256: #if SIZEOF_LONG==8
1.1 noro 9257: r0 = nd_f4_red_mod64_main(m,sp0,nsp,s0vect,col,rvect,rhead,imat,nred,nz);
9258: #else
9259: r0 = nd_f4_red_main(m,sp0,nsp,s0vect,col,rvect,rhead,imat,nred,nz);
9260: #endif
9261: else if ( m == -1 )
9262: r0 = nd_f4_red_sf_main(m,sp0,nsp,s0vect,col,rvect,rhead,imat,nred,nz);
9263: else if ( m == -2 )
9264: r0 = nd_f4_red_lf_main(m,sp0,nsp,trace,s0vect,col,rvect,rhead,imat,nred);
9265: else
9266: r0 = nd_f4_red_q_main(sp0,nsp,trace,s0vect,col,rvect,rhead,imat,nred);
9267: return r0;
9268: }
9269:
9270: /* for Fp, 2<=p<2^16 */
9271:
9272: NODE nd_f4_red_main(int m,ND_pairs sp0,int nsp,UINT *s0vect,int col,
9273: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred,ND_pairs *nz)
9274: {
9275: int spcol,sprow,a;
9276: int i,j,k,l,rank;
9277: NODE r0,r;
9278: ND_pairs sp;
9279: ND spol;
9280: UINT **spmat;
9281: UINT *svect,*v;
9282: int *colstat;
9283: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
9284: int maxrs;
9285: int *spsugar;
9286: ND_pairs *spactive;
9287:
9288: spcol = col-nred;
9289: get_eg(&eg0);
9290: /* elimination (1st step) */
9291: spmat = (UINT **)MALLOC(nsp*sizeof(UINT *));
9292: svect = (UINT *)MALLOC(col*sizeof(UINT));
9293: spsugar = (int *)MALLOC(nsp*sizeof(int));
9294: spactive = !nz?0:(ND_pairs *)MALLOC(nsp*sizeof(ND_pairs));
9295: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
9296: nd_sp(m,0,sp,&spol);
9297: if ( !spol ) continue;
9298: nd_to_vect(m,s0vect,col,spol,svect);
9299: if ( m == -1 )
9300: maxrs = ndv_reduce_vect_sf(m,svect,col,imat,rvect,nred);
9301: else
1.40 noro 9302: maxrs = ndv_reduce_vect(m,svect,col,imat,rvect,nred,0);
1.1 noro 9303: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
9304: if ( i < col ) {
9305: spmat[sprow] = v = (UINT *)MALLOC_ATOMIC(spcol*sizeof(UINT));
9306: for ( j = k = 0; j < col; j++ )
9307: if ( !rhead[j] ) v[k++] = svect[j];
9308: spsugar[sprow] = MAX(maxrs,SG(spol));
9309: if ( nz )
9310: spactive[sprow] = sp;
9311: sprow++;
9312: }
9313: nd_free(spol);
9314: }
9315: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1);
9316: if ( DP_Print ) {
1.5 noro 9317: fprintf(asir_out,"elim1=%.3fsec,",eg_f4_1.exectime);
1.1 noro 9318: fflush(asir_out);
9319: }
9320: /* free index arrays */
9321: for ( i = 0; i < nred; i++ ) GCFREE(imat[i]->index.c);
9322:
9323: /* elimination (2nd step) */
9324: colstat = (int *)MALLOC(spcol*sizeof(int));
9325: if ( m == -1 )
9326: rank = nd_gauss_elim_sf(spmat,spsugar,sprow,spcol,m,colstat);
9327: else
9328: rank = nd_gauss_elim_mod(spmat,spsugar,spactive,sprow,spcol,m,colstat);
9329: r0 = 0;
9330: for ( i = 0; i < rank; i++ ) {
9331: NEXTNODE(r0,r); BDY(r) =
9332: (pointer)vect_to_ndv(spmat[i],spcol,col,rhead,s0vect);
9333: SG((NDV)BDY(r)) = spsugar[i];
9334: GCFREE(spmat[i]);
9335: }
9336: if ( r0 ) NEXT(r) = 0;
9337:
9338: for ( ; i < sprow; i++ ) GCFREE(spmat[i]);
9339: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2);
9340: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
9341: if ( DP_Print ) {
1.5 noro 9342: fprintf(asir_out,"elim2=%.3fsec,",eg_f4_2.exectime);
1.1 noro 9343: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
9344: nsp,nred,sprow,spcol,rank);
1.5 noro 9345: fprintf(asir_out,"%.3fsec,",eg_f4.exectime);
1.1 noro 9346: }
9347: if ( nz ) {
9348: for ( i = 0; i < rank-1; i++ ) NEXT(spactive[i]) = spactive[i+1];
9349: if ( rank > 0 ) {
9350: NEXT(spactive[rank-1]) = 0;
9351: *nz = spactive[0];
9352: } else
9353: *nz = 0;
9354: }
9355: return r0;
9356: }
9357:
1.40 noro 9358: NODE nd_f4_red_main_s(int m,ND_pairs sp0,int nsp,UINT *s0vect,int col,
9359: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred,NODE *syzlistp)
9360: {
9361: int spcol,sprow,a;
9362: int i,j,k,l,rank;
9363: NODE r0,r;
9364: ND_pairs sp;
9365: ND spol;
9366: UINT **spmat;
9367: UINT *svect,*cvect;
9368: UINT *v;
9369: int *colstat;
9370: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
9371: int maxrs;
9372: int *spsugar;
9373: ND_pairs *spactive;
9374: SIG *spsig;
9375:
9376: get_eg(&eg0);
9377: /* elimination (1st step) */
9378: spmat = (UINT **)MALLOC(nsp*sizeof(UINT *));
9379: spsugar = (int *)MALLOC(nsp*sizeof(int));
9380: spsig = (SIG *)MALLOC(nsp*sizeof(SIG));
9381: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
9382: nd_sp(m,0,sp,&spol);
9383: if ( !spol ) {
9384: syzlistp[sp->sig->pos] = insert_sig(syzlistp[sp->sig->pos],sp->sig);
9385: continue;
9386: }
9387: svect = (UINT *)MALLOC(col*sizeof(UINT));
9388: nd_to_vect(m,s0vect,col,spol,svect);
9389: maxrs = ndv_reduce_vect(m,svect,col,imat,rvect,nred,spol->sig);
9390: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
9391: if ( i < col ) {
9392: spmat[sprow] = svect;
9393: spsugar[sprow] = MAX(maxrs,SG(spol));
9394: spsig[sprow] = sp->sig;
9395: sprow++;
9396: } else {
9397: syzlistp[sp->sig->pos] = insert_sig(syzlistp[sp->sig->pos],sp->sig);
9398: }
9399: nd_free(spol);
9400: }
9401: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1); add_eg(&f4_elim1,&eg0,&eg1);
9402: if ( DP_Print ) {
9403: fprintf(asir_out,"elim1=%.3fsec,",eg_f4_1.exectime);
9404: fflush(asir_out);
9405: }
9406: /* free index arrays */
9407: for ( i = 0; i < nred; i++ ) GCFREE(imat[i]->index.c);
9408:
9409: /* elimination (2nd step) */
9410: colstat = (int *)MALLOC(col*sizeof(int));
9411: rank = nd_gauss_elim_mod_s(spmat,spsugar,0,sprow,col,m,colstat,spsig);
9412: r0 = 0;
9413: for ( i = 0; i < sprow; i++ ) {
9414: if ( spsugar[i] >= 0 ) {
9415: NEXTNODE(r0,r);
9416: BDY(r) = vect_to_ndv_s(spmat[i],col,s0vect);
9417: SG((NDV)BDY(r)) = spsugar[i];
9418: ((NDV)BDY(r))->sig = spsig[i];
9419: } else
9420: syzlistp[spsig[i]->pos] = insert_sig(syzlistp[spsig[i]->pos],spsig[i]);
9421: GCFREE(spmat[i]);
9422: }
9423: if ( r0 ) NEXT(r) = 0;
9424: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2); add_eg(&f4_elim2,&eg1,&eg2);
9425: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
9426: if ( DP_Print ) {
9427: fprintf(asir_out,"elim2=%.3fsec,",eg_f4_2.exectime);
9428: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
9429: nsp,nred,sprow,col,rank);
9430: fprintf(asir_out,"%.3fsec,",eg_f4.exectime);
9431: }
9432: return r0;
9433: }
9434:
1.1 noro 9435:
9436: /* for small finite fields */
9437:
9438: NODE nd_f4_red_sf_main(int m,ND_pairs sp0,int nsp,UINT *s0vect,int col,
9439: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred,ND_pairs *nz)
9440: {
9441: int spcol,sprow,a;
9442: int i,j,k,l,rank;
9443: NODE r0,r;
9444: ND_pairs sp;
9445: ND spol;
9446: UINT **spmat;
9447: UINT *svect,*v;
9448: int *colstat;
9449: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
9450: int maxrs;
9451: int *spsugar;
9452: ND_pairs *spactive;
9453:
9454: spcol = col-nred;
9455: get_eg(&eg0);
9456: /* elimination (1st step) */
9457: spmat = (UINT **)MALLOC(nsp*sizeof(UINT *));
9458: svect = (UINT *)MALLOC(col*sizeof(UINT));
9459: spsugar = (int *)MALLOC(nsp*sizeof(int));
9460: spactive = !nz?0:(ND_pairs *)MALLOC(nsp*sizeof(ND_pairs));
9461: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
9462: nd_sp(m,0,sp,&spol);
9463: if ( !spol ) continue;
9464: nd_to_vect(m,s0vect,col,spol,svect);
9465: maxrs = ndv_reduce_vect_sf(m,svect,col,imat,rvect,nred);
9466: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
9467: if ( i < col ) {
9468: spmat[sprow] = v = (UINT *)MALLOC_ATOMIC(spcol*sizeof(UINT));
9469: for ( j = k = 0; j < col; j++ )
9470: if ( !rhead[j] ) v[k++] = svect[j];
9471: spsugar[sprow] = MAX(maxrs,SG(spol));
9472: if ( nz )
9473: spactive[sprow] = sp;
9474: sprow++;
9475: }
9476: nd_free(spol);
9477: }
9478: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1);
9479: if ( DP_Print ) {
1.5 noro 9480: fprintf(asir_out,"elim1=%.3fsec,",eg_f4_1.exectime);
1.1 noro 9481: fflush(asir_out);
9482: }
9483: /* free index arrays */
9484: for ( i = 0; i < nred; i++ ) GCFREE(imat[i]->index.c);
9485:
9486: /* elimination (2nd step) */
9487: colstat = (int *)MALLOC(spcol*sizeof(int));
9488: rank = nd_gauss_elim_sf(spmat,spsugar,sprow,spcol,m,colstat);
9489: r0 = 0;
9490: for ( i = 0; i < rank; i++ ) {
9491: NEXTNODE(r0,r); BDY(r) =
9492: (pointer)vect_to_ndv(spmat[i],spcol,col,rhead,s0vect);
9493: SG((NDV)BDY(r)) = spsugar[i];
9494: GCFREE(spmat[i]);
9495: }
9496: if ( r0 ) NEXT(r) = 0;
9497:
9498: for ( ; i < sprow; i++ ) GCFREE(spmat[i]);
9499: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2);
9500: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
9501: if ( DP_Print ) {
1.5 noro 9502: fprintf(asir_out,"elim2=%.3fsec,",eg_f4_2.exectime);
1.1 noro 9503: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
9504: nsp,nred,sprow,spcol,rank);
1.5 noro 9505: fprintf(asir_out,"%.3fsec,",eg_f4.exectime);
1.1 noro 9506: }
9507: if ( nz ) {
9508: for ( i = 0; i < rank-1; i++ ) NEXT(spactive[i]) = spactive[i+1];
9509: if ( rank > 0 ) {
9510: NEXT(spactive[rank-1]) = 0;
9511: *nz = spactive[0];
9512: } else
9513: *nz = 0;
9514: }
9515: return r0;
9516: }
9517:
9518: NODE nd_f4_red_lf_main(int m,ND_pairs sp0,int nsp,int trace,UINT *s0vect,int col,
9519: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred)
9520: {
9521: int spcol,sprow,a;
9522: int i,j,k,l,rank;
9523: NODE r0,r;
9524: ND_pairs sp;
9525: ND spol;
9526: mpz_t **spmat;
9527: mpz_t *svect,*v;
9528: int *colstat;
9529: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
9530: int maxrs;
9531: int *spsugar;
9532: pointer *w;
9533:
9534: spcol = col-nred;
9535: get_eg(&eg0);
9536: /* elimination (1st step) */
9537: spmat = (mpz_t **)MALLOC(nsp*sizeof(mpz_t *));
9538: svect = (mpz_t *)MALLOC(col*sizeof(mpz_t));
9539: spsugar = (int *)MALLOC(nsp*sizeof(int));
9540: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
9541: nd_sp(m,trace,sp,&spol);
9542: if ( !spol ) continue;
9543: nd_to_vect_lf(s0vect,col,spol,svect);
9544: maxrs = ndv_reduce_vect_lf(svect,trace,col,imat,rvect,nred);
9545: for ( i = 0; i < col; i++ ) if ( mpz_sgn(svect[i]) ) break;
9546: if ( i < col ) {
9547: spmat[sprow] = v = (mpz_t *)MALLOC(spcol*sizeof(mpz_t));
9548: for ( j = k = 0; j < col; j++ )
9549: if ( !rhead[j] ) v[k++][0] = svect[j][0];
9550: spsugar[sprow] = MAX(maxrs,SG(spol));
9551: sprow++;
9552: }
9553: /* nd_free(spol); */
9554: }
9555: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1);
9556: if ( DP_Print ) {
1.5 noro 9557: fprintf(asir_out,"elim1=%.3fsec,",eg_f4_1.exectime);
1.1 noro 9558: fflush(asir_out);
9559: }
9560: /* free index arrays */
9561: /* for ( i = 0; i < nred; i++ ) GCFREE(imat[i]->index.c); */
9562:
9563: /* elimination (2nd step) */
9564: colstat = (int *)MALLOC(spcol*sizeof(int));
9565: rank = nd_gauss_elim_lf(spmat,spsugar,sprow,spcol,colstat);
9566: w = (pointer *)MALLOC(rank*sizeof(pointer));
9567: for ( i = 0; i < rank; i++ ) {
9568: #if 0
9569: w[rank-i-1] = (pointer)vect_to_ndv_lf(spmat[i],spcol,col,rhead,s0vect);
9570: SG((NDV)w[rank-i-1]) = spsugar[i];
9571: #else
9572: w[i] = (pointer)vect_to_ndv_lf(spmat[i],spcol,col,rhead,s0vect);
9573: SG((NDV)w[i]) = spsugar[i];
9574: #endif
9575: /* GCFREE(spmat[i]); */
9576:
9577: }
9578: #if 0
9579: qsort(w,rank,sizeof(NDV),
9580: (int (*)(const void *,const void *))ndv_compare);
9581: #endif
9582: r0 = 0;
9583: for ( i = 0; i < rank; i++ ) {
9584: NEXTNODE(r0,r); BDY(r) = w[i];
9585: }
9586: if ( r0 ) NEXT(r) = 0;
9587:
9588: /* for ( ; i < sprow; i++ ) GCFREE(spmat[i]); */
9589: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2);
9590: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
9591: if ( DP_Print ) {
1.5 noro 9592: fprintf(asir_out,"elim2=%.3fsec,",eg_f4_2.exectime);
1.1 noro 9593: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
9594: nsp,nred,sprow,spcol,rank);
1.5 noro 9595: fprintf(asir_out,"%.3fsec,",eg_f4.exectime);
1.1 noro 9596: }
9597: return r0;
9598: }
9599:
9600: NODE nd_f4_red_q_main(ND_pairs sp0,int nsp,int trace,UINT *s0vect,int col,
9601: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred)
9602: {
9603: int spcol,sprow,a;
9604: int i,j,k,l,rank;
9605: NODE r0,r;
9606: ND_pairs sp;
9607: ND spol;
9608: Z **spmat;
9609: Z *svect,*v;
9610: int *colstat;
9611: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
9612: int maxrs;
9613: int *spsugar;
9614: pointer *w;
9615:
9616: spcol = col-nred;
9617: get_eg(&eg0);
9618: /* elimination (1st step) */
9619: spmat = (Z **)MALLOC(nsp*sizeof(Q *));
9620: svect = (Z *)MALLOC(col*sizeof(Q));
9621: spsugar = (int *)MALLOC(nsp*sizeof(int));
9622: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
9623: nd_sp(0,trace,sp,&spol);
9624: if ( !spol ) continue;
9625: nd_to_vect_q(s0vect,col,spol,svect);
9626: maxrs = ndv_reduce_vect_q(svect,trace,col,imat,rvect,nred);
9627: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
9628: if ( i < col ) {
9629: spmat[sprow] = v = (Z *)MALLOC(spcol*sizeof(Q));
9630: for ( j = k = 0; j < col; j++ )
9631: if ( !rhead[j] ) v[k++] = svect[j];
9632: spsugar[sprow] = MAX(maxrs,SG(spol));
9633: sprow++;
9634: }
9635: /* nd_free(spol); */
9636: }
9637: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1);
9638: if ( DP_Print ) {
1.5 noro 9639: fprintf(asir_out,"elim1=%.3fsec,",eg_f4_1.exectime);
1.1 noro 9640: fflush(asir_out);
9641: }
9642: /* free index arrays */
9643: /* for ( i = 0; i < nred; i++ ) GCFREE(imat[i]->index.c); */
9644:
9645: /* elimination (2nd step) */
9646: colstat = (int *)MALLOC(spcol*sizeof(int));
9647: rank = nd_gauss_elim_q(spmat,spsugar,sprow,spcol,colstat);
9648: w = (pointer *)MALLOC(rank*sizeof(pointer));
9649: for ( i = 0; i < rank; i++ ) {
9650: #if 0
9651: w[rank-i-1] = (pointer)vect_to_ndv_q(spmat[i],spcol,col,rhead,s0vect);
9652: SG((NDV)w[rank-i-1]) = spsugar[i];
9653: #else
9654: w[i] = (pointer)vect_to_ndv_q(spmat[i],spcol,col,rhead,s0vect);
9655: SG((NDV)w[i]) = spsugar[i];
9656: #endif
9657: /* GCFREE(spmat[i]); */
9658: }
9659: #if 0
9660: qsort(w,rank,sizeof(NDV),
9661: (int (*)(const void *,const void *))ndv_compare);
9662: #endif
9663: r0 = 0;
9664: for ( i = 0; i < rank; i++ ) {
9665: NEXTNODE(r0,r); BDY(r) = w[i];
9666: }
9667: if ( r0 ) NEXT(r) = 0;
9668:
9669: /* for ( ; i < sprow; i++ ) GCFREE(spmat[i]); */
9670: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2);
9671: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
9672: if ( DP_Print ) {
1.5 noro 9673: fprintf(asir_out,"elim2=%.3fsec,",eg_f4_2.exectime);
1.1 noro 9674: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
9675: nsp,nred,sprow,spcol,rank);
1.5 noro 9676: fprintf(asir_out,"%.3fsec,",eg_f4.exectime);
1.1 noro 9677: }
9678: return r0;
9679: }
9680:
9681: FILE *nd_write,*nd_read;
9682:
9683: void nd_send_int(int a) {
9684: write_int(nd_write,(unsigned int *)&a);
9685: }
9686:
9687: void nd_send_intarray(int *p,int len) {
9688: write_intarray(nd_write,(unsigned int *)p,len);
9689: }
9690:
9691: int nd_recv_int() {
9692: int a;
9693:
9694: read_int(nd_read,(unsigned int *)&a);
9695: return a;
9696: }
9697:
9698: void nd_recv_intarray(int *p,int len) {
9699: read_intarray(nd_read,(unsigned int *)p,len);
9700: }
9701:
9702: void nd_send_ndv(NDV p) {
9703: int len,i;
9704: NMV m;
9705:
9706: if ( !p ) nd_send_int(0);
9707: else {
9708: len = LEN(p);
9709: nd_send_int(len);
9710: m = BDY(p);
9711: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
9712: nd_send_int(CM(m));
9713: nd_send_intarray((int *)DL(m),nd_wpd);
9714: }
9715: }
9716: }
9717:
9718: void nd_send_nd(ND p) {
9719: int len,i;
9720: NM m;
9721:
9722: if ( !p ) nd_send_int(0);
9723: else {
9724: len = LEN(p);
9725: nd_send_int(len);
9726: m = BDY(p);
9727: for ( i = 0; i < len; i++, m = NEXT(m) ) {
9728: nd_send_int(CM(m));
9729: nd_send_intarray((int *)DL(m),nd_wpd);
9730: }
9731: }
9732: }
9733:
9734: NDV nd_recv_ndv()
9735: {
9736: int len,i;
9737: NMV m,m0;
9738: NDV r;
9739:
9740: len = nd_recv_int();
9741: if ( !len ) return 0;
9742: else {
9743: m0 = m = (NMV)MALLOC_ATOMIC_IGNORE_OFF_PAGE(nmv_adv*len);
9744: #if 0
9745: ndv_alloc += len*nmv_adv;
9746: #endif
9747: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
9748: CM(m) = nd_recv_int();
9749: nd_recv_intarray((int *)DL(m),nd_wpd);
9750: }
9751: MKNDV(nd_nvar,m0,len,r);
9752: return r;
9753: }
9754: }
9755:
9756: int nd_gauss_elim_q(Z **mat0,int *sugar,int row,int col,int *colstat)
9757: {
9758: int i,j,t,c,rank,inv;
9759: int *ci,*ri;
9760: Z dn;
9761: MAT m,nm;
9762:
9763: NEWMAT(m); m->row = row; m->col = col; m->body = (pointer **)mat0;
9764: rank = generic_gauss_elim(m,&nm,&dn,&ri,&ci);
9765: for ( i = 0; i < row; i++ )
9766: for ( j = 0; j < col; j++ )
9767: mat0[i][j] = 0;
9768: c = col-rank;
9769: for ( i = 0; i < rank; i++ ) {
9770: mat0[i][ri[i]] = dn;
9771: for ( j = 0; j < c; j++ )
9772: mat0[i][ci[j]] = (Z)BDY(nm)[i][j];
9773: }
9774: return rank;
9775: }
9776:
9777: int nd_gauss_elim_mod(UINT **mat0,int *sugar,ND_pairs *spactive,int row,int col,int md,int *colstat)
9778: {
9779: int i,j,k,l,inv,a,rank,s;
9780: unsigned int *t,*pivot,*pk;
9781: unsigned int **mat;
9782: ND_pairs pair;
9783:
9784: mat = (unsigned int **)mat0;
9785: for ( rank = 0, j = 0; j < col; j++ ) {
9786: for ( i = rank; i < row; i++ )
9787: mat[i][j] %= md;
9788: for ( i = rank; i < row; i++ )
9789: if ( mat[i][j] )
9790: break;
9791: if ( i == row ) {
9792: colstat[j] = 0;
9793: continue;
9794: } else
9795: colstat[j] = 1;
9796: if ( i != rank ) {
9797: t = mat[i]; mat[i] = mat[rank]; mat[rank] = t;
9798: s = sugar[i]; sugar[i] = sugar[rank]; sugar[rank] = s;
9799: if ( spactive ) {
9800: pair = spactive[i]; spactive[i] = spactive[rank];
9801: spactive[rank] = pair;
9802: }
9803: }
9804: pivot = mat[rank];
9805: s = sugar[rank];
9806: inv = invm(pivot[j],md);
9807: for ( k = j, pk = pivot+k; k < col; k++, pk++ )
9808: if ( *pk ) {
9809: if ( *pk >= (unsigned int)md )
9810: *pk %= md;
9811: DMAR(*pk,inv,0,md,*pk)
9812: }
9813: for ( i = rank+1; i < row; i++ ) {
9814: t = mat[i];
9815: if ( (a = t[j]) != 0 ) {
9816: sugar[i] = MAX(sugar[i],s);
9817: red_by_vect(md,t+j,pivot+j,md-a,col-j);
9818: }
9819: }
9820: rank++;
9821: }
9822: for ( j = col-1, l = rank-1; j >= 0; j-- )
9823: if ( colstat[j] ) {
9824: pivot = mat[l];
9825: s = sugar[l];
9826: for ( i = 0; i < l; i++ ) {
9827: t = mat[i];
9828: t[j] %= md;
9829: if ( (a = t[j]) != 0 ) {
9830: sugar[i] = MAX(sugar[i],s);
9831: red_by_vect(md,t+j,pivot+j,md-a,col-j);
9832: }
9833: }
9834: l--;
9835: }
9836: for ( j = 0, l = 0; l < rank; j++ )
9837: if ( colstat[j] ) {
9838: t = mat[l];
9839: for ( k = j; k < col; k++ )
9840: if ( t[k] >= (unsigned int)md )
9841: t[k] %= md;
9842: l++;
9843: }
9844: return rank;
9845: }
9846:
1.40 noro 9847: int nd_gauss_elim_mod_s(UINT **mat,int *sugar,ND_pairs *spactive,int row,int col,int md,int *colstat,SIG *sig)
9848: {
9849: int i,j,k,l,rank,s,imin;
9850: UINT inv;
9851: UINT a;
9852: UINT *t,*pivot,*pk;
9853: UINT *ck;
9854: UINT *ct;
9855: ND_pairs pair;
9856: SIG sg;
9857: int *used;
9858:
9859: used = (int *)MALLOC(row*sizeof(int));
9860: for ( j = 0; j < col; j++ ) {
9861: for ( i = 0; i < row; i++ )
9862: a = mat[i][j] %= md;
9863: for ( i = 0; i < row; i++ )
9864: if ( !used[i] && mat[i][j] ) break;
9865: if ( i == row ) {
9866: colstat[j] = 0;
9867: continue;
9868: } else {
9869: colstat[j] = 1;
9870: used[i] = 1;
9871: }
9872: /* column j is normalized */
9873: s = sugar[i];
9874: inv = invm(mat[i][j],md);
9875: /* normalize pivot row */
9876: for ( k = j, pk = mat[i]+j; k < col; k++, pk++, ck++ ) {
9877: DMAR(*pk,inv,0,md,*pk);
9878: }
9879: for ( k = i+1; k < row; k++ ) {
9880: if ( (a = mat[k][j]) != 0 ) {
9881: sugar[k] = MAX(sugar[k],s);
9882: red_by_vect(md,mat[k]+j,mat[i]+j,(int)(md-a),col-j);
9883: Nf4_red++;
9884: }
9885: }
9886: }
9887: rank = 0;
9888: for ( i = 0; i < row; i++ ) {
9889: for ( j = 0; j < col; j++ )
9890: if ( mat[i][j] ) break;
9891: if ( j == col ) sugar[i] = -1;
9892: else rank++;
9893: }
9894: return rank;
9895: }
9896:
1.1 noro 9897:
1.7 noro 9898: int nd_gauss_elim_sf(UINT **mat0,int *sugar,int row,int col,int md,int *colstat)
1.1 noro 9899: {
1.7 noro 9900: int i,j,k,l,inv,a,rank,s;
9901: unsigned int *t,*pivot,*pk;
9902: unsigned int **mat;
9903:
9904: mat = (unsigned int **)mat0;
9905: for ( rank = 0, j = 0; j < col; j++ ) {
9906: for ( i = rank; i < row; i++ )
9907: if ( mat[i][j] )
9908: break;
9909: if ( i == row ) {
9910: colstat[j] = 0;
9911: continue;
9912: } else
9913: colstat[j] = 1;
9914: if ( i != rank ) {
9915: t = mat[i]; mat[i] = mat[rank]; mat[rank] = t;
9916: s = sugar[i]; sugar[i] = sugar[rank]; sugar[rank] = s;
9917: }
9918: pivot = mat[rank];
9919: s = sugar[rank];
9920: inv = _invsf(pivot[j]);
9921: for ( k = j, pk = pivot+k; k < col; k++, pk++ )
9922: if ( *pk )
9923: *pk = _mulsf(*pk,inv);
9924: for ( i = rank+1; i < row; i++ ) {
9925: t = mat[i];
9926: if ( (a = t[j]) != 0 ) {
9927: sugar[i] = MAX(sugar[i],s);
9928: red_by_vect_sf(md,t+j,pivot+j,_chsgnsf(a),col-j);
9929: }
9930: }
9931: rank++;
9932: }
9933: for ( j = col-1, l = rank-1; j >= 0; j-- )
9934: if ( colstat[j] ) {
9935: pivot = mat[l];
9936: s = sugar[l];
9937: for ( i = 0; i < l; i++ ) {
9938: t = mat[i];
9939: if ( (a = t[j]) != 0 ) {
9940: sugar[i] = MAX(sugar[i],s);
9941: red_by_vect_sf(md,t+j,pivot+j,_chsgnsf(a),col-j);
9942: }
9943: }
9944: l--;
9945: }
9946: return rank;
9947: }
1.1 noro 9948:
1.7 noro 9949: int ndv_ishomo(NDV p)
9950: {
9951: NMV m;
9952: int len,h;
1.1 noro 9953:
9954: if ( !p ) return 1;
9955: len = LEN(p);
9956: m = BDY(p);
9957: h = TD(DL(m));
9958: NMV_ADV(m);
9959: for ( len--; len; len--, NMV_ADV(m) )
1.20 noro 9960: if ( TD(DL(m)) != h ) {
9961: return 0;
9962: }
1.1 noro 9963: return 1;
9964: }
9965:
9966: void ndv_save(NDV p,int index)
9967: {
9968: FILE *s;
9969: char name[BUFSIZ];
9970: short id;
9971: int nv,sugar,len,n,i,td,e,j;
9972: NMV m;
9973: unsigned int *dl;
9974: int mpos;
9975:
9976: sprintf(name,"%s/%d",Demand,index);
9977: s = fopen(name,"w");
9978: savevl(s,0);
9979: if ( !p ) {
9980: saveobj(s,0);
9981: return;
9982: }
9983: id = O_DP;
9984: nv = NV(p);
9985: sugar = SG(p);
9986: len = LEN(p);
9987: write_short(s,(unsigned short *)&id); write_int(s,(unsigned int *)&nv); write_int(s,(unsigned int *)&sugar);
9988: write_int(s,(unsigned int *)&len);
9989:
9990: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
1.6 noro 9991: saveobj(s,(Obj)CZ(m));
1.1 noro 9992: dl = DL(m);
9993: td = TD(dl);
9994: write_int(s,(unsigned int *)&td);
9995: for ( j = 0; j < nv; j++ ) {
9996: e = GET_EXP(dl,j);
9997: write_int(s,(unsigned int *)&e);
9998: }
9999: if ( nd_module ) {
10000: mpos = MPOS(dl); write_int(s,(unsigned int *)&mpos);
10001: }
10002: }
10003: fclose(s);
10004: }
10005:
10006: void nd_save_mod(ND p,int index)
10007: {
10008: FILE *s;
10009: char name[BUFSIZ];
10010: int nv,sugar,len,c;
10011: NM m;
10012:
10013: sprintf(name,"%s/%d",Demand,index);
10014: s = fopen(name,"w");
10015: if ( !p ) {
10016: len = 0;
10017: write_int(s,(unsigned int *)&len);
10018: fclose(s);
10019: return;
10020: }
10021: nv = NV(p);
10022: sugar = SG(p);
10023: len = LEN(p);
10024: write_int(s,(unsigned int *)&nv); write_int(s,(unsigned int *)&sugar); write_int(s,(unsigned int *)&len);
10025: for ( m = BDY(p); m; m = NEXT(m) ) {
10026: c = CM(m); write_int(s,(unsigned int *)&c);
10027: write_intarray(s,(unsigned int *)DL(m),nd_wpd);
10028: }
10029: fclose(s);
10030: }
10031:
10032: NDV ndv_load(int index)
10033: {
10034: FILE *s;
10035: char name[BUFSIZ];
10036: short id;
10037: int nv,sugar,len,n,i,td,e,j;
10038: NDV d;
10039: NMV m0,m;
10040: unsigned int *dl;
10041: Obj obj;
10042: int mpos;
10043:
10044: sprintf(name,"%s/%d",Demand,index);
10045: s = fopen(name,"r");
10046: if ( !s ) return 0;
10047:
10048: skipvl(s);
10049: read_short(s,(unsigned short *)&id);
10050: if ( !id ) return 0;
10051: read_int(s,(unsigned int *)&nv);
10052: read_int(s,(unsigned int *)&sugar);
10053: read_int(s,(unsigned int *)&len);
10054:
10055: m0 = m = MALLOC(len*nmv_adv);
10056: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
1.6 noro 10057: loadobj(s,&obj); CZ(m) = (Z)obj;
1.1 noro 10058: dl = DL(m);
10059: ndl_zero(dl);
10060: read_int(s,(unsigned int *)&td); TD(dl) = td;
10061: for ( j = 0; j < nv; j++ ) {
10062: read_int(s,(unsigned int *)&e);
10063: PUT_EXP(dl,j,e);
10064: }
10065: if ( nd_module ) {
10066: read_int(s,(unsigned int *)&mpos); MPOS(dl) = mpos;
10067: }
10068: if ( nd_blockmask ) ndl_weight_mask(dl);
10069: }
10070: fclose(s);
10071: MKNDV(nv,m0,len,d);
10072: SG(d) = sugar;
10073: return d;
10074: }
10075:
10076: ND nd_load_mod(int index)
10077: {
10078: FILE *s;
10079: char name[BUFSIZ];
10080: int nv,sugar,len,i,c;
10081: ND d;
10082: NM m0,m;
10083:
10084: sprintf(name,"%s/%d",Demand,index);
10085: s = fopen(name,"r");
10086: /* if the file does not exist, it means p[index]=0 */
10087: if ( !s ) return 0;
10088:
10089: read_int(s,(unsigned int *)&nv);
10090: if ( !nv ) { fclose(s); return 0; }
10091:
10092: read_int(s,(unsigned int *)&sugar);
10093: read_int(s,(unsigned int *)&len);
10094: for ( m0 = 0, i = 0; i < len; i++ ) {
10095: NEXTNM(m0,m);
10096: read_int(s,(unsigned int *)&c); CM(m) = c;
10097: read_intarray(s,(unsigned int *)DL(m),nd_wpd);
10098: }
10099: NEXT(m) = 0;
10100: MKND(nv,m0,len,d);
10101: SG(d) = sugar;
10102: fclose(s);
10103: return d;
10104: }
10105:
10106: void nd_det(int mod,MAT f,P *rp)
10107: {
10108: VL fv,tv;
10109: int n,i,j,max,e,nvar,sgn,k0,l0,len0,len,k,l,a;
10110: pointer **m;
10111: P **w;
10112: P mp,r;
10113: NDV **dm;
10114: NDV *t,*mi,*mj;
10115: NDV d,s,mij,mjj;
10116: ND u;
10117: NMV nmv;
10118: UINT *bound;
10119: PGeoBucket bucket;
10120: struct order_spec *ord;
10121: Z dq,dt,ds;
10122: Z mone;
10123: Z gn,qn,dn0,nm,dn;
10124:
10125: create_order_spec(0,0,&ord);
10126: nd_init_ord(ord);
10127: get_vars((Obj)f,&fv);
10128: if ( f->row != f->col )
10129: error("nd_det : non-square matrix");
10130: n = f->row;
10131: m = f->body;
10132: for ( nvar = 0, tv = fv; tv; tv = NEXT(tv), nvar++ );
10133:
10134: if ( !nvar ) {
10135: if ( !mod )
10136: detp(CO,(P **)m,n,rp);
10137: else {
10138: w = (P **)almat_pointer(n,n);
10139: for ( i = 0; i < n; i++ )
10140: for ( j = 0; j < n; j++ )
10141: ptomp(mod,(P)m[i][j],&w[i][j]);
10142: detmp(CO,mod,w,n,&mp);
10143: mptop(mp,rp);
10144: }
10145: return;
10146: }
10147:
10148: if ( !mod ) {
10149: w = (P **)almat_pointer(n,n);
10150: dq = ONE;
10151: for ( i = 0; i < n; i++ ) {
10152: dn0 = ONE;
10153: for ( j = 0; j < n; j++ ) {
10154: if ( !m[i][j] ) continue;
10155: lgp(m[i][j],&nm,&dn);
1.6 noro 10156: gcdz(dn0,dn,&gn); divsz(dn0,gn,&qn); mulz(qn,dn,&dn0);
1.1 noro 10157: }
10158: if ( !UNIZ(dn0) ) {
10159: ds = dn0;
10160: for ( j = 0; j < n; j++ )
10161: mulp(CO,(P)m[i][j],(P)ds,&w[i][j]);
10162: mulz(dq,ds,&dt); dq = dt;
10163: } else
10164: for ( j = 0; j < n; j++ )
10165: w[i][j] = (P)m[i][j];
10166: }
10167: m = (pointer **)w;
10168: }
10169:
10170: for ( i = 0, max = 1; i < n; i++ )
10171: for ( j = 0; j < n; j++ )
10172: for ( tv = fv; tv; tv = NEXT(tv) ) {
10173: e = getdeg(tv->v,(P)m[i][j]);
10174: max = MAX(e,max);
10175: }
10176: nd_setup_parameters(nvar,max);
10177: dm = (NDV **)almat_pointer(n,n);
10178: for ( i = 0, max = 1; i < n; i++ )
10179: for ( j = 0; j < n; j++ ) {
10180: dm[i][j] = ptondv(CO,fv,m[i][j]);
10181: if ( mod ) ndv_mod(mod,dm[i][j]);
10182: if ( dm[i][j] && !LEN(dm[i][j]) ) dm[i][j] = 0;
10183: }
10184: d = ptondv(CO,fv,(P)ONE);
10185: if ( mod ) ndv_mod(mod,d);
10186: chsgnz(ONE,&mone);
10187: for ( j = 0, sgn = 1; j < n; j++ ) {
10188: if ( DP_Print ) {
10189: fprintf(asir_out,".");
10190: }
10191: for ( i = j; i < n && !dm[i][j]; i++ );
10192: if ( i == n ) {
10193: *rp = 0;
10194: return;
10195: }
10196: k0 = i; l0 = j; len0 = LEN(dm[k0][l0]);
10197: for ( k = j; k < n; k++ )
10198: for ( l = j; l < n; l++ )
10199: if ( dm[k][l] && LEN(dm[k][l]) < len0 ) {
10200: k0 = k; l0 = l; len0 = LEN(dm[k][l]);
10201: }
10202: if ( k0 != j ) {
10203: t = dm[j]; dm[j] = dm[k0]; dm[k0] = t;
10204: sgn = -sgn;
10205: }
10206: if ( l0 != j ) {
10207: for ( k = j; k < n; k++ ) {
10208: s = dm[k][j]; dm[k][j] = dm[k][l0]; dm[k][l0] = s;
10209: }
10210: sgn = -sgn;
10211: }
10212: bound = nd_det_compute_bound(dm,n,j);
10213: for ( k = 0; k < nd_nvar; k++ )
10214: if ( bound[k]*2 > nd_mask0 ) break;
10215: if ( k < nd_nvar )
10216: nd_det_reconstruct(dm,n,j,d);
10217:
10218: for ( i = j+1, mj = dm[j], mjj = mj[j]; i < n; i++ ) {
10219: /* if ( DP_Print ) fprintf(asir_out," i=%d\n ",i); */
10220: mi = dm[i]; mij = mi[j];
10221: if ( mod )
10222: ndv_mul_c(mod,mij,mod-1);
10223: else
10224: ndv_mul_c_q(mij,mone);
10225: for ( k = j+1; k < n; k++ ) {
10226: /* if ( DP_Print ) fprintf(asir_out,"k=%d ",k); */
10227: bucket = create_pbucket();
10228: if ( mi[k] ) {
10229: nmv = BDY(mjj); len = LEN(mjj);
10230: for ( a = 0; a < len; a++, NMV_ADV(nmv) ) {
10231: u = ndv_mul_nmv_trunc(mod,nmv,mi[k],DL(BDY(d)));
10232: add_pbucket(mod,bucket,u);
10233: }
10234: }
10235: if ( mj[k] && mij ) {
10236: nmv = BDY(mij); len = LEN(mij);
10237: for ( a = 0; a < len; a++, NMV_ADV(nmv) ) {
10238: u = ndv_mul_nmv_trunc(mod,nmv,mj[k],DL(BDY(d)));
10239: add_pbucket(mod,bucket,u);
10240: }
10241: }
10242: u = nd_quo(mod,bucket,d);
10243: mi[k] = ndtondv(mod,u);
10244: }
10245: /* if ( DP_Print ) fprintf(asir_out,"\n",k); */
10246: }
10247: d = mjj;
10248: }
10249: if ( DP_Print ) {
10250: fprintf(asir_out,"\n");
10251: }
10252: if ( sgn < 0 ) {
10253: if ( mod )
10254: ndv_mul_c(mod,d,mod-1);
10255: else
10256: ndv_mul_c_q(d,mone);
10257: }
10258: r = ndvtop(mod,CO,fv,d);
10259: if ( !mod && !UNIQ(dq) )
10260: divsp(CO,r,(P)dq,rp);
10261: else
10262: *rp = r;
10263: }
10264:
10265: ND ndv_mul_nmv_trunc(int mod,NMV m0,NDV p,UINT *d)
10266: {
10267: NM mr,mr0;
10268: NM tnm;
10269: NMV m;
10270: UINT *d0,*dt,*dm;
10271: int c,n,td,i,c1,c2,len;
10272: Z q;
10273: ND r;
10274:
10275: if ( !p ) return 0;
10276: else {
10277: n = NV(p); m = BDY(p); len = LEN(p);
10278: d0 = DL(m0);
10279: td = TD(d);
10280: mr0 = 0;
10281: NEWNM(tnm);
10282: if ( mod ) {
10283: c = CM(m0);
10284: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
10285: ndl_add(DL(m),d0,DL(tnm));
10286: if ( ndl_reducible(DL(tnm),d) ) {
10287: NEXTNM(mr0,mr);
10288: c1 = CM(m); DMAR(c1,c,0,mod,c2); CM(mr) = c2;
10289: ndl_copy(DL(tnm),DL(mr));
10290: }
10291: }
10292: } else {
1.6 noro 10293: q = CZ(m0);
1.1 noro 10294: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
10295: ndl_add(DL(m),d0,DL(tnm));
10296: if ( ndl_reducible(DL(tnm),d) ) {
10297: NEXTNM(mr0,mr);
1.6 noro 10298: mulz(CZ(m),q,&CZ(mr));
1.1 noro 10299: ndl_copy(DL(tnm),DL(mr));
10300: }
10301: }
10302: }
10303: if ( !mr0 )
10304: return 0;
10305: else {
10306: NEXT(mr) = 0;
10307: for ( len = 0, mr = mr0; mr; mr = NEXT(mr), len++ );
10308: MKND(NV(p),mr0,len,r);
10309: SG(r) = SG(p) + TD(d0);
10310: return r;
10311: }
10312: }
10313: }
10314:
10315: void nd_det_reconstruct(NDV **dm,int n,int j,NDV d)
10316: {
10317: int i,obpe,oadv,h,k,l;
10318: static NM prev_nm_free_list;
10319: EPOS oepos;
10320:
10321: obpe = nd_bpe;
10322: oadv = nmv_adv;
10323: oepos = nd_epos;
10324: if ( obpe < 2 ) nd_bpe = 2;
10325: else if ( obpe < 3 ) nd_bpe = 3;
10326: else if ( obpe < 4 ) nd_bpe = 4;
10327: else if ( obpe < 5 ) nd_bpe = 5;
10328: else if ( obpe < 6 ) nd_bpe = 6;
10329: else if ( obpe < 8 ) nd_bpe = 8;
10330: else if ( obpe < 10 ) nd_bpe = 10;
10331: else if ( obpe < 16 ) nd_bpe = 16;
10332: else if ( obpe < 32 ) nd_bpe = 32;
10333: else error("nd_det_reconstruct : exponent too large");
10334:
10335: nd_setup_parameters(nd_nvar,0);
10336: prev_nm_free_list = _nm_free_list;
10337: _nm_free_list = 0;
10338: for ( k = j; k < n; k++ )
10339: for (l = j; l < n; l++ )
10340: ndv_realloc(dm[k][l],obpe,oadv,oepos);
10341: ndv_realloc(d,obpe,oadv,oepos);
10342: prev_nm_free_list = 0;
10343: #if 0
10344: GC_gcollect();
10345: #endif
10346: }
10347:
10348: /* returns a UINT array containing degree bounds */
10349:
10350: UINT *nd_det_compute_bound(NDV **dm,int n,int j)
10351: {
10352: UINT *d0,*d1,*d,*t,*r;
10353: int k,l,i;
10354:
10355: d0 = (UINT *)MALLOC(nd_nvar*sizeof(UINT));
10356: for ( k = 0; k < nd_nvar; k++ ) d0[k] = 0;
10357: for ( k = j; k < n; k++ )
10358: for ( l = j; l < n; l++ )
10359: if ( dm[k][l] ) {
10360: d = ndv_compute_bound(dm[k][l]);
10361: for ( i = 0; i < nd_nvar; i++ )
10362: d0[i] = MAX(d0[i],d[i]);
10363: }
10364: return d0;
10365: }
10366:
10367: DL nd_separate_d(UINT *d,UINT *trans)
10368: {
10369: int n,td,i,e,j;
10370: DL a;
10371:
10372: ndl_zero(trans);
10373: td = 0;
10374: for ( i = 0; i < nd_ntrans; i++ ) {
10375: e = GET_EXP(d,i);
10376: PUT_EXP(trans,i,e);
10377: td += MUL_WEIGHT(e,i);
10378: }
10379: if ( nd_ntrans+nd_nalg < nd_nvar ) {
10380: /* homogenized */
10381: i = nd_nvar-1;
10382: e = GET_EXP(d,i);
10383: PUT_EXP(trans,i,e);
10384: td += MUL_WEIGHT(e,i);
10385: }
10386: TD(trans) = td;
10387: if ( nd_blockmask) ndl_weight_mask(trans);
10388: NEWDL(a,nd_nalg);
10389: td = 0;
10390: for ( i = 0; i < nd_nalg; i++ ) {
10391: j = nd_ntrans+i;
10392: e = GET_EXP(d,j);
10393: a->d[i] = e;
10394: td += e;
10395: }
10396: a->td = td;
10397: return a;
10398: }
10399:
10400: int nd_monic(int mod,ND *p)
10401: {
10402: UINT *trans,*t;
10403: DL alg;
10404: MP mp0,mp;
10405: NM m,m0,m1,ma0,ma,mb,mr0,mr;
10406: ND r;
10407: DL dl;
10408: DP nm;
10409: NDV ndv;
10410: DAlg inv,cd;
10411: ND s,c;
10412: Z l,mul;
10413: Z ln;
10414: int n,ntrans,i,e,td,is_lc,len;
10415: NumberField nf;
10416: struct oEGT eg0,eg1;
10417:
10418: if ( !(nf = get_numberfield()) )
10419: error("nd_monic : current_numberfield is not set");
10420:
10421: /* Q coef -> DAlg coef */
10422: NEWNM(ma0); ma = ma0;
10423: m = BDY(*p);
10424: is_lc = 1;
10425: while ( 1 ) {
10426: NEWMP(mp0); mp = mp0;
1.6 noro 10427: mp->c = (Obj)CZ(m);
1.1 noro 10428: mp->dl = nd_separate_d(DL(m),DL(ma));
10429: NEWNM(mb);
10430: for ( m = NEXT(m); m; m = NEXT(m) ) {
10431: alg = nd_separate_d(DL(m),DL(mb));
10432: if ( !ndl_equal(DL(ma),DL(mb)) )
10433: break;
1.6 noro 10434: NEXTMP(mp0,mp); mp->c = (Obj)CZ(m); mp->dl = alg;
1.1 noro 10435: }
10436: NEXT(mp) = 0;
10437: MKDP(nd_nalg,mp0,nm);
10438: MKDAlg(nm,ONE,cd);
10439: if ( is_lc == 1 ) {
10440: /* if the lc is a rational number, we have nothing to do */
10441: if ( !mp0->dl->td )
10442: return 1;
10443:
10444: get_eg(&eg0);
10445: invdalg(cd,&inv);
10446: get_eg(&eg1); add_eg(&eg_invdalg,&eg0,&eg1);
10447: /* check the validity of inv */
10448: if ( mod && !remqi((Q)inv->dn,mod) )
10449: return 0;
10450: CA(ma) = nf->one;
10451: is_lc = 0;
10452: ln = ONE;
10453: } else {
10454: muldalg(cd,inv,&CA(ma));
10455: lcmz(ln,CA(ma)->dn,&ln);
10456: }
10457: if ( m ) {
10458: NEXT(ma) = mb; ma = mb;
10459: } else {
10460: NEXT(ma) = 0;
10461: break;
10462: }
10463: }
10464: /* l = lcm(denoms) */
10465: l = ln;
10466: for ( mr0 = 0, m = ma0; m; m = NEXT(m) ) {
1.6 noro 10467: divsz(l,CA(m)->dn,&mul);
1.1 noro 10468: for ( mp = BDY(CA(m)->nm); mp; mp = NEXT(mp) ) {
10469: NEXTNM(mr0,mr);
1.6 noro 10470: mulz((Z)mp->c,mul,&CZ(mr));
1.1 noro 10471: dl = mp->dl;
10472: td = TD(DL(m));
10473: ndl_copy(DL(m),DL(mr));
10474: for ( i = 0; i < nd_nalg; i++ ) {
10475: e = dl->d[i];
10476: PUT_EXP(DL(mr),i+nd_ntrans,e);
10477: td += MUL_WEIGHT(e,i+nd_ntrans);
10478: }
10479: if ( nd_module ) MPOS(DL(mr)) = MPOS(DL(m));
10480: TD(DL(mr)) = td;
10481: if ( nd_blockmask) ndl_weight_mask(DL(mr));
10482: }
10483: }
10484: NEXT(mr) = 0;
10485: for ( len = 0, mr = mr0; mr; mr = NEXT(mr), len++ );
10486: MKND(NV(*p),mr0,len,r);
10487: /* XXX */
10488: SG(r) = SG(*p);
10489: nd_free(*p);
10490: *p = r;
10491: return 1;
10492: }
10493:
10494: NODE reverse_node(NODE n)
10495: {
10496: NODE t,t1;
10497:
10498: for ( t = 0; n; n = NEXT(n) ) {
10499: MKNODE(t1,BDY(n),t); t = t1;
10500: }
10501: return t;
10502: }
10503:
10504: P ndc_div(int mod,union oNDC a,union oNDC b)
10505: {
10506: union oNDC c;
10507: int inv,t;
10508:
10509: if ( mod == -1 ) c.m = _mulsf(a.m,_invsf(b.m));
1.10 noro 10510: else if ( mod == -2 ) divlf(a.z,b.z,&c.z);
1.1 noro 10511: else if ( mod ) {
10512: inv = invm(b.m,mod);
10513: DMAR(a.m,inv,0,mod,t); c.m = t;
10514: } else if ( nd_vc )
10515: divsp(nd_vc,a.p,b.p,&c.p);
10516: else
10517: divsz(a.z,b.z,&c.z);
10518: return ndctop(mod,c);
10519: }
10520:
10521: P ndctop(int mod,union oNDC c)
10522: {
10523: Z q;
10524: int e;
10525: GFS gfs;
10526:
10527: if ( mod == -1 ) {
10528: e = IFTOF(c.m); MKGFS(e,gfs); return (P)gfs;
10529: } else if ( mod == -2 ) {
1.10 noro 10530: q = c.z; return (P)q;
1.1 noro 10531: } else if ( mod > 0 ) {
1.6 noro 10532: STOZ(c.m,q); return (P)q;
1.1 noro 10533: } else
10534: return (P)c.p;
10535: }
10536:
10537: /* [0,0,0,cont] = p -> p/cont */
10538:
10539: void finalize_tracelist(int i,P cont)
10540: {
10541: LIST l;
10542: NODE node;
10543: Z iq;
10544:
10545: if ( !UNIQ(cont) ) {
10546: node = mknode(4,NULLP,NULLP,NULLP,cont);
10547: MKLIST(l,node); MKNODE(node,l,nd_tracelist);
10548: nd_tracelist = node;
10549: }
1.6 noro 10550: STOZ(i,iq);
1.1 noro 10551: nd_tracelist = reverse_node(nd_tracelist);
10552: MKLIST(l,nd_tracelist);
10553: node = mknode(2,iq,l); MKLIST(l,node);
10554: MKNODE(node,l,nd_alltracelist); MKLIST(l,node);
10555: nd_alltracelist = node; nd_tracelist = 0;
10556: }
10557:
10558: void conv_ilist(int demand,int trace,NODE g,int **indp)
10559: {
10560: int n,i,j;
10561: int *ind;
10562: NODE t;
10563:
10564: n = length(g);
10565: ind = (int *)MALLOC(n*sizeof(int));
10566: for ( i = 0, t = g; i < n; i++, t = NEXT(t) ) {
10567: j = (long)BDY(t); ind[i] = j;
10568: BDY(t) = (pointer)(demand?ndv_load(j):(trace?nd_ps_trace[j]:nd_ps[j]));
10569: }
10570: if ( indp ) *indp = ind;
10571: }
10572:
1.30 noro 10573: NODE conv_ilist_s(int demand,int trace,int **indp)
10574: {
10575: int n,i,j;
10576: int *ind;
10577: NODE g0,g;
10578:
10579: n = nd_psn;
10580: ind = (int *)MALLOC(n*sizeof(int));
10581: g0 = 0;
10582: for ( i = 0; i < n; i++ ) {
10583: ind[i] = i;
10584: NEXTNODE(g0,g);
10585: BDY(g) = (pointer)(demand?ndv_load(i):(trace?nd_ps_trace[i]:nd_ps[i]));
10586: }
10587: if ( g0 ) NEXT(g) = 0;
10588: if ( indp ) *indp = ind;
10589: return g0;
10590: }
10591:
1.46 noro 10592: void parse_nd_option(VL vl,NODE opt)
1.1 noro 10593: {
1.38 noro 10594: NODE t,p,u;
1.1 noro 10595: int i,s,n;
1.38 noro 10596: char *key;
10597: Obj value;
1.46 noro 10598: VL oldvl;
1.1 noro 10599:
1.41 noro 10600: nd_gentrace = 0; nd_gensyz = 0; nd_nora = 0; nd_norb = 0; nd_gbblock = 0;
1.1 noro 10601: nd_newelim = 0; nd_intersect = 0; nd_nzlist = 0;
10602: nd_splist = 0; nd_check_splist = 0;
1.38 noro 10603: nd_sugarweight = 0; nd_f4red =0; nd_rank0 = 0;
10604: nd_f4_td = 0; nd_sba_f4step = 2; nd_sba_pot = 0; nd_sba_largelcm = 0;
1.41 noro 10605: nd_sba_dontsort = 0; nd_top = 0; nd_sba_redundant_check = 0;
1.46 noro 10606: nd_sba_syz = 0; nd_sba_modord = 0; nd_sba_inputisgb = 0;
1.49 noro 10607: nd_hpdata = 0;
1.39 noro 10608:
1.38 noro 10609: for ( t = opt; t; t = NEXT(t) ) {
10610: p = BDY((LIST)BDY(t));
10611: key = BDY((STRING)BDY(p));
10612: value = (Obj)BDY(NEXT(p));
10613: if ( !strcmp(key,"gentrace") )
10614: nd_gentrace = value?1:0;
10615: else if ( !strcmp(key,"gensyz") )
10616: nd_gensyz = value?1:0;
10617: else if ( !strcmp(key,"nora") )
10618: nd_nora = value?1:0;
1.41 noro 10619: else if ( !strcmp(key,"norb") )
10620: nd_norb = value?1:0;
1.38 noro 10621: else if ( !strcmp(key,"gbblock") ) {
10622: if ( value && OID(value) == O_LIST ) {
1.1 noro 10623: u = BDY((LIST)value);
1.38 noro 10624: nd_gbblock = MALLOC((2*length(u)+1)*sizeof(int));
1.1 noro 10625: for ( i = 0; u; u = NEXT(u) ) {
10626: p = BDY((LIST)BDY(u));
1.6 noro 10627: s = nd_gbblock[i++] = ZTOS((Q)BDY(p));
10628: nd_gbblock[i++] = s+ZTOS((Q)BDY(NEXT(p)))-1;
1.1 noro 10629: }
10630: nd_gbblock[i] = -1;
1.38 noro 10631: } else
10632: nd_gbblock = 0;
1.1 noro 10633: } else if ( !strcmp(key,"newelim") )
10634: nd_newelim = value?1:0;
10635: else if ( !strcmp(key,"intersect") )
10636: nd_intersect = value?1:0;
1.17 noro 10637: else if ( !strcmp(key,"syzgen") )
10638: nd_intersect = ZTOS((Q)value);
1.1 noro 10639: else if ( !strcmp(key,"lf") )
10640: nd_lf = value?1:0;
10641: else if ( !strcmp(key,"trace") ) {
1.38 noro 10642: if ( value ) {
10643: u = BDY((LIST)value);
10644: nd_nzlist = BDY((LIST)ARG2(u));
10645: nd_bpe = ZTOS((Q)ARG3(u));
10646: }
1.1 noro 10647: } else if ( !strcmp(key,"f4red") ) {
1.38 noro 10648: nd_f4red = ZTOS((Q)value);
1.1 noro 10649: } else if ( !strcmp(key,"rank0") ) {
1.38 noro 10650: nd_rank0 = value?1:0;
1.1 noro 10651: } else if ( !strcmp(key,"splist") ) {
1.38 noro 10652: nd_splist = value?1:0;
1.1 noro 10653: } else if ( !strcmp(key,"check_splist") ) {
10654: nd_check_splist = BDY((LIST)value);
1.49 noro 10655: } else if ( !strcmp(key,"hpdata") ) {
1.50 ! noro 10656: if ( value )
! 10657: nd_hpdata = BDY((LIST)value);
1.1 noro 10658: } else if ( !strcmp(key,"sugarweight") ) {
10659: u = BDY((LIST)value);
1.38 noro 10660: n = length(u);
10661: nd_sugarweight = MALLOC(n*sizeof(int));
1.1 noro 10662: for ( i = 0; i < n; i++, u = NEXT(u) )
1.38 noro 10663: nd_sugarweight[i] = ZTOS((Q)BDY(u));
10664: } else if ( !strcmp(key,"f4_td") ) {
10665: nd_f4_td = value?1:0;
10666: } else if ( !strcmp(key,"sba_f4step") ) {
10667: nd_sba_f4step = value?ZTOS((Q)value):0;
10668: } else if ( !strcmp(key,"sba_pot") ) {
1.44 noro 10669: nd_sba_pot = ZTOS((Q)value);
1.38 noro 10670: } else if ( !strcmp(key,"sba_largelcm") ) {
10671: nd_sba_largelcm = value?1:0;
1.39 noro 10672: } else if ( !strcmp(key,"sba_dontsort") ) {
10673: nd_sba_dontsort = value?1:0;
1.44 noro 10674: } else if ( !strcmp(key,"sba_syz") ) {
10675: nd_sba_syz = value?1:0;
1.46 noro 10676: } else if ( !strcmp(key,"sba_modord") ) {
10677: // value=[vlist,ordspec,weight]
10678: u = BDY((LIST)value);
10679: pltovl((LIST)ARG0(u),&oldvl);
10680: nd_sba_modord = create_comp_sig_spec(vl,oldvl,(Obj)ARG1(u),argc(u)==3?ARG2(u):0);
10681: } else if ( !strcmp(key,"sba_gbinput") ) {
10682: nd_sba_inputisgb = value?1:0;
10683: if ( nd_sba_inputisgb != 0 ) {
10684: // value=[vlist,ordspec,weight]
10685: u = BDY((LIST)value);
10686: pltovl((LIST)ARG0(u),&oldvl);
10687: nd_sba_modord = create_comp_sig_spec(vl,oldvl,(Obj)ARG1(u),argc(u)==3?ARG2(u):0);
10688: }
1.41 noro 10689: } else if ( !strcmp(key,"sba_redundant_check") ) {
10690: nd_sba_redundant_check = value?1:0;
1.39 noro 10691: } else if ( !strcmp(key,"top") ) {
10692: nd_top = value?1:0;
1.1 noro 10693: }
1.38 noro 10694: }
1.44 noro 10695: if ( nd_sba_syz ) nd_sba_dontsort = 1;
1.1 noro 10696: }
10697:
10698: ND mdptond(DP d);
10699: ND nd_mul_nm(int mod,NM m0,ND p);
10700: ND nd_mul_nm_lf(NM m0,ND p);
10701: ND *btog(NODE ti,ND **p,int nb,int mod);
10702: ND btog_one(NODE ti,ND *p,int nb,int mod);
10703: MAT nd_btog(LIST f,LIST v,int m,struct order_spec *ord,LIST tlist,MAT *rp);
10704: VECT nd_btog_one(LIST f,LIST v,int m,struct order_spec *ord,LIST tlist,int pos,MAT *rp);
10705:
10706: /* d:monomial */
10707: ND mdptond(DP d)
10708: {
10709: NM m;
10710: ND r;
10711:
10712: if ( OID(d) == 1 )
10713: r = ptond(CO,CO,(P)d);
10714: else {
10715: NEWNM(m);
10716: dltondl(NV(d),BDY(d)->dl,DL(m));
1.6 noro 10717: CZ(m) = (Z)BDY(d)->c;
1.1 noro 10718: NEXT(m) = 0;
10719: MKND(NV(d),m,1,r);
10720: }
10721: return r;
10722: }
10723:
10724: ND nd_mul_nm(int mod,NM m0,ND p)
10725: {
10726: UINT *d0;
10727: int c0,c1,c;
10728: NM tm,mr,mr0;
10729: ND r;
10730:
10731: if ( !p ) return 0;
10732: d0 = DL(m0);
10733: c0 = CM(m0);
10734: mr0 = 0;
10735: for ( tm = BDY(p); tm; tm = NEXT(tm) ) {
10736: NEXTNM(mr0,mr);
10737: c = CM(tm); DMAR(c0,c,0,mod,c1); CM(mr) = c1;
10738: ndl_add(d0,DL(tm),DL(mr));
10739: }
10740: NEXT(mr) = 0;
10741: MKND(NV(p),mr0,LEN(p),r);
10742: return r;
10743: }
10744:
10745: ND nd_mul_nm_lf(NM m0,ND p)
10746: {
10747: UINT *d0;
10748: Z c0,c1,c;
10749: NM tm,mr,mr0;
10750: ND r;
10751:
10752: if ( !p ) return 0;
10753: d0 = DL(m0);
10754: c0 = CZ(m0);
10755: mr0 = 0;
10756: for ( tm = BDY(p); tm; tm = NEXT(tm) ) {
10757: NEXTNM(mr0,mr);
10758: c = CZ(tm); mullf(c0,CZ(tm),&c1); CZ(mr) = c1;
10759: ndl_add(d0,DL(tm),DL(mr));
10760: }
10761: NEXT(mr) = 0;
10762: MKND(NV(p),mr0,LEN(p),r);
10763: return r;
10764: }
10765:
10766: ND *btog(NODE ti,ND **p,int nb,int mod)
10767: {
10768: PGeoBucket *r;
10769: int i,ci;
10770: NODE t,s;
10771: ND m,tp;
10772: ND *pi,*rd;
10773: P c;
10774:
10775: r = (PGeoBucket *)MALLOC(nb*sizeof(PGeoBucket));
10776: for ( i = 0; i < nb; i++ )
10777: r[i] = create_pbucket();
10778: for ( t = ti; t; t = NEXT(t) ) {
10779: s = BDY((LIST)BDY(t));
10780: if ( ARG0(s) ) {
10781: m = mdptond((DP)ARG2(s));
1.6 noro 10782: ptomp(mod,(P)HCZ(m),&c);
1.1 noro 10783: if ( (ci = ((MQ)c)->cont) != 0 ) {
10784: HCM(m) = ci;
1.6 noro 10785: pi = p[ZTOS((Q)ARG1(s))];
1.1 noro 10786: for ( i = 0; i < nb; i++ ) {
10787: tp = nd_mul_nm(mod,BDY(m),pi[i]);
10788: add_pbucket(mod,r[i],tp);
10789: }
10790: }
10791: ci = 1;
10792: } else {
10793: ptomp(mod,(P)ARG3(s),&c); ci = ((MQ)c)->cont;
10794: ci = invm(ci,mod);
10795: }
10796: }
10797: rd = (ND *)MALLOC(nb*sizeof(ND));
10798: for ( i = 0; i < nb; i++ )
10799: rd[i] = normalize_pbucket(mod,r[i]);
10800: if ( ci != 1 )
10801: for ( i = 0; i < nb; i++ ) nd_mul_c(mod,rd[i],ci);
10802: return rd;
10803: }
10804:
10805: /* YYY */
10806: ND *btog_lf(NODE ti,ND **p,int nb)
10807: {
10808: PGeoBucket *r;
10809: int i;
10810: NODE t,s;
10811: ND m,tp;
10812: ND *pi,*rd;
10813: LM lm;
10814: Z lf,c;
10815:
10816: r = (PGeoBucket *)MALLOC(nb*sizeof(PGeoBucket));
10817: for ( i = 0; i < nb; i++ )
10818: r[i] = create_pbucket();
10819: for ( t = ti; t; t = NEXT(t) ) {
10820: s = BDY((LIST)BDY(t));
10821: if ( ARG0(s) ) {
10822: m = mdptond((DP)ARG2(s));
1.6 noro 10823: simp_ff((Obj)HCZ(m),(Obj *)&lm);
1.1 noro 10824: if ( lm ) {
10825: lmtolf(lm,&lf); HCZ(m) = lf;
1.6 noro 10826: pi = p[ZTOS((Q)ARG1(s))];
1.1 noro 10827: for ( i = 0; i < nb; i++ ) {
10828: tp = nd_mul_nm_lf(BDY(m),pi[i]);
10829: add_pbucket(-2,r[i],tp);
10830: }
10831: }
10832: c = ONE;
10833: } else {
10834: simp_ff((Obj)ARG3(s),(Obj *)&lm); lmtolf(lm,&lf); invz(lf,current_mod_lf,&c);
10835: }
10836: }
10837: rd = (ND *)MALLOC(nb*sizeof(ND));
10838: for ( i = 0; i < nb; i++ )
10839: rd[i] = normalize_pbucket(-2,r[i]);
10840: for ( i = 0; i < nb; i++ ) nd_mul_c_lf(rd[i],c);
10841: return rd;
10842: }
10843:
10844: ND btog_one(NODE ti,ND *p,int nb,int mod)
10845: {
10846: PGeoBucket r;
10847: int i,ci,j;
10848: NODE t,s;
10849: ND m,tp;
10850: ND pi,rd;
10851: P c;
10852:
10853: r = create_pbucket();
10854: for ( t = ti; t; t = NEXT(t) ) {
10855: s = BDY((LIST)BDY(t));
10856: if ( ARG0(s) ) {
10857: m = mdptond((DP)ARG2(s));
1.6 noro 10858: ptomp(mod,(P)HCZ(m),&c);
1.1 noro 10859: if ( (ci = ((MQ)c)->cont) != 0 ) {
10860: HCM(m) = ci;
1.6 noro 10861: pi = p[j=ZTOS((Q)ARG1(s))];
1.1 noro 10862: if ( !pi ) {
10863: pi = nd_load_mod(j);
10864: tp = nd_mul_nm(mod,BDY(m),pi);
10865: nd_free(pi);
10866: add_pbucket(mod,r,tp);
10867: } else {
10868: tp = nd_mul_nm(mod,BDY(m),pi);
10869: add_pbucket(mod,r,tp);
10870: }
10871: }
10872: ci = 1;
10873: } else {
10874: ptomp(mod,(P)ARG3(s),&c); ci = ((MQ)c)->cont;
10875: ci = invm(ci,mod);
10876: }
10877: }
10878: rd = normalize_pbucket(mod,r);
10879: free_pbucket(r);
10880: if ( ci != 1 ) nd_mul_c(mod,rd,ci);
10881: return rd;
10882: }
10883:
10884: MAT nd_btog_lf(LIST f,LIST v,struct order_spec *ord,LIST tlist,MAT *rp);
10885:
10886: MAT nd_btog(LIST f,LIST v,int mod,struct order_spec *ord,LIST tlist,MAT *rp)
10887: {
10888: int i,j,n,m,nb,pi0,pi1,nvar;
10889: VL fv,tv,vv;
10890: NODE permtrace,perm,trace,intred,ind,t,pi,ti;
10891: ND **p;
10892: ND *c;
10893: ND u;
10894: P inv;
10895: MAT mat;
10896:
10897: if ( mod == -2 )
10898: return nd_btog_lf(f,v,ord,tlist,rp);
10899:
10900: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
1.46 noro 10901: parse_nd_option(vv,current_option);
1.1 noro 10902: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
10903: switch ( ord->id ) {
10904: case 1:
10905: if ( ord->nv != nvar )
10906: error("nd_check : invalid order specification");
10907: break;
10908: default:
10909: break;
10910: }
10911: nd_init_ord(ord);
10912: #if 0
1.6 noro 10913: nd_bpe = ZTOS((Q)ARG7(BDY(tlist)));
1.1 noro 10914: #else
10915: nd_bpe = 32;
10916: #endif
10917: nd_setup_parameters(nvar,0);
10918: permtrace = BDY((LIST)ARG2(BDY(tlist)));
10919: intred = BDY((LIST)ARG3(BDY(tlist)));
10920: ind = BDY((LIST)ARG4(BDY(tlist)));
10921: perm = BDY((LIST)BDY(permtrace)); trace =NEXT(permtrace);
10922: for ( i = length(perm)-1, t = trace; t; t = NEXT(t) ) {
1.6 noro 10923: j = ZTOS((Q)BDY(BDY((LIST)BDY(t))));
1.1 noro 10924: if ( j > i ) i = j;
10925: }
10926: n = i+1;
10927: nb = length(BDY(f));
10928: p = (ND **)MALLOC(n*sizeof(ND *));
10929: for ( t = perm, i = 0; t; t = NEXT(t), i++ ) {
10930: pi = BDY((LIST)BDY(t));
1.6 noro 10931: pi0 = ZTOS((Q)ARG0(pi)); pi1 = ZTOS((Q)ARG1(pi));
1.1 noro 10932: p[pi0] = c = (ND *)MALLOC(nb*sizeof(ND));
10933: ptomp(mod,(P)ARG2(pi),&inv);
10934: ((MQ)inv)->cont = invm(((MQ)inv)->cont,mod);
10935: u = ptond(CO,vv,(P)ONE);
10936: HCM(u) = ((MQ)inv)->cont;
10937: c[pi1] = u;
10938: }
10939: for ( t = trace,i=0; t; t = NEXT(t), i++ ) {
10940: printf("%d ",i); fflush(stdout);
10941: ti = BDY((LIST)BDY(t));
1.6 noro 10942: p[j=ZTOS((Q)ARG0(ti))] = btog(BDY((LIST)ARG1(ti)),p,nb,mod);
1.1 noro 10943: }
10944: for ( t = intred, i=0; t; t = NEXT(t), i++ ) {
10945: printf("%d ",i); fflush(stdout);
10946: ti = BDY((LIST)BDY(t));
1.6 noro 10947: p[j=ZTOS((Q)ARG0(ti))] = btog(BDY((LIST)ARG1(ti)),p,nb,mod);
1.1 noro 10948: }
10949: m = length(ind);
10950: MKMAT(mat,nb,m);
10951: for ( j = 0, t = ind; j < m; j++, t = NEXT(t) )
1.6 noro 10952: for ( i = 0, c = p[ZTOS((Q)BDY(t))]; i < nb; i++ )
1.1 noro 10953: BDY(mat)[i][j] = ndtodp(mod,c[i]);
10954: return mat;
10955: }
10956:
10957: MAT nd_btog_lf(LIST f,LIST v,struct order_spec *ord,LIST tlist,MAT *rp)
10958: {
10959: int i,j,n,m,nb,pi0,pi1,nvar;
10960: VL fv,tv,vv;
10961: NODE permtrace,perm,trace,intred,ind,t,pi,ti;
10962: ND **p;
10963: ND *c;
10964: ND u;
10965: MAT mat;
10966: LM lm;
10967: Z lf,inv;
10968:
10969: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
1.46 noro 10970: parse_nd_option(vv,current_option);
1.1 noro 10971: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
10972: switch ( ord->id ) {
10973: case 1:
10974: if ( ord->nv != nvar )
10975: error("nd_check : invalid order specification");
10976: break;
10977: default:
10978: break;
10979: }
10980: nd_init_ord(ord);
10981: #if 0
1.6 noro 10982: nd_bpe = ZTOS((Q)ARG7(BDY(tlist)));
1.1 noro 10983: #else
10984: nd_bpe = 32;
10985: #endif
10986: nd_setup_parameters(nvar,0);
10987: permtrace = BDY((LIST)ARG2(BDY(tlist)));
10988: intred = BDY((LIST)ARG3(BDY(tlist)));
10989: ind = BDY((LIST)ARG4(BDY(tlist)));
10990: perm = BDY((LIST)BDY(permtrace)); trace =NEXT(permtrace);
10991: for ( i = length(perm)-1, t = trace; t; t = NEXT(t) ) {
1.6 noro 10992: j = ZTOS((Q)BDY(BDY((LIST)BDY(t))));
1.1 noro 10993: if ( j > i ) i = j;
10994: }
10995: n = i+1;
10996: nb = length(BDY(f));
10997: p = (ND **)MALLOC(n*sizeof(ND *));
10998: for ( t = perm, i = 0; t; t = NEXT(t), i++ ) {
10999: pi = BDY((LIST)BDY(t));
1.6 noro 11000: pi0 = ZTOS((Q)ARG0(pi)); pi1 = ZTOS((Q)ARG1(pi));
1.1 noro 11001: p[pi0] = c = (ND *)MALLOC(nb*sizeof(ND));
11002: simp_ff((Obj)ARG2(pi),(Obj *)&lm); lmtolf(lm,&lf); invz(lf,current_mod_lf,&inv);
11003: u = ptond(CO,vv,(P)ONE);
11004: HCZ(u) = inv;
11005: c[pi1] = u;
11006: }
11007: for ( t = trace,i=0; t; t = NEXT(t), i++ ) {
11008: printf("%d ",i); fflush(stdout);
11009: ti = BDY((LIST)BDY(t));
1.6 noro 11010: p[j=ZTOS((Q)ARG0(ti))] = btog_lf(BDY((LIST)ARG1(ti)),p,nb);
1.1 noro 11011: }
11012: for ( t = intred, i=0; t; t = NEXT(t), i++ ) {
11013: printf("%d ",i); fflush(stdout);
11014: ti = BDY((LIST)BDY(t));
1.6 noro 11015: p[j=ZTOS((Q)ARG0(ti))] = btog_lf(BDY((LIST)ARG1(ti)),p,nb);
1.1 noro 11016: }
11017: m = length(ind);
11018: MKMAT(mat,nb,m);
11019: for ( j = 0, t = ind; j < m; j++, t = NEXT(t) )
1.6 noro 11020: for ( i = 0, c = p[ZTOS((Q)BDY(t))]; i < nb; i++ )
1.1 noro 11021: BDY(mat)[i][j] = ndtodp(-2,c[i]);
11022: return mat;
11023: }
11024:
11025: VECT nd_btog_one(LIST f,LIST v,int mod,struct order_spec *ord,
11026: LIST tlist,int pos,MAT *rp)
11027: {
11028: int i,j,n,m,nb,pi0,pi1,nvar;
11029: VL fv,tv,vv;
11030: NODE permtrace,perm,trace,intred,ind,t,pi,ti;
11031: ND *p;
11032: ND *c;
11033: ND u;
11034: P inv;
11035: VECT vect;
11036:
11037: if ( mod == -2 )
11038: error("nd_btog_one : not implemented yet for a large finite field");
11039:
11040: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
1.46 noro 11041: parse_nd_option(vv,current_option);
1.1 noro 11042: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
11043: switch ( ord->id ) {
11044: case 1:
11045: if ( ord->nv != nvar )
11046: error("nd_check : invalid order specification");
11047: break;
11048: default:
11049: break;
11050: }
11051: nd_init_ord(ord);
11052: #if 0
1.6 noro 11053: nd_bpe = ZTOS((Q)ARG7(BDY(tlist)));
1.1 noro 11054: #else
11055: nd_bpe = 32;
11056: #endif
11057: nd_setup_parameters(nvar,0);
11058: permtrace = BDY((LIST)ARG2(BDY(tlist)));
11059: intred = BDY((LIST)ARG3(BDY(tlist)));
11060: ind = BDY((LIST)ARG4(BDY(tlist)));
11061: perm = BDY((LIST)BDY(permtrace)); trace =NEXT(permtrace);
11062: for ( i = length(perm)-1, t = trace; t; t = NEXT(t) ) {
1.6 noro 11063: j = ZTOS((Q)BDY(BDY((LIST)BDY(t))));
1.1 noro 11064: if ( j > i ) i = j;
11065: }
11066: n = i+1;
11067: nb = length(BDY(f));
11068: p = (ND *)MALLOC(n*sizeof(ND *));
11069: for ( t = perm, i = 0; t; t = NEXT(t), i++ ) {
11070: pi = BDY((LIST)BDY(t));
1.6 noro 11071: pi0 = ZTOS((Q)ARG0(pi)); pi1 = ZTOS((Q)ARG1(pi));
1.1 noro 11072: if ( pi1 == pos ) {
11073: ptomp(mod,(P)ARG2(pi),&inv);
11074: ((MQ)inv)->cont = invm(((MQ)inv)->cont,mod);
11075: u = ptond(CO,vv,(P)ONE);
11076: HCM(u) = ((MQ)inv)->cont;
11077: p[pi0] = u;
11078: }
11079: }
11080: for ( t = trace,i=0; t; t = NEXT(t), i++ ) {
11081: printf("%d ",i); fflush(stdout);
11082: ti = BDY((LIST)BDY(t));
1.6 noro 11083: p[j=ZTOS((Q)ARG0(ti))] = btog_one(BDY((LIST)ARG1(ti)),p,nb,mod);
1.1 noro 11084: if ( Demand ) {
11085: nd_save_mod(p[j],j); nd_free(p[j]); p[j] = 0;
11086: }
11087: }
11088: for ( t = intred, i=0; t; t = NEXT(t), i++ ) {
11089: printf("%d ",i); fflush(stdout);
11090: ti = BDY((LIST)BDY(t));
1.6 noro 11091: p[j=ZTOS((Q)ARG0(ti))] = btog_one(BDY((LIST)ARG1(ti)),p,nb,mod);
1.1 noro 11092: if ( Demand ) {
11093: nd_save_mod(p[j],j); nd_free(p[j]); p[j] = 0;
11094: }
11095: }
11096: m = length(ind);
11097: MKVECT(vect,m);
11098: for ( j = 0, t = ind; j < m; j++, t = NEXT(t) ) {
1.6 noro 11099: u = p[ZTOS((Q)BDY(t))];
1.1 noro 11100: if ( !u ) {
1.6 noro 11101: u = nd_load_mod(ZTOS((Q)BDY(t)));
1.1 noro 11102: BDY(vect)[j] = ndtodp(mod,u);
11103: nd_free(u);
11104: } else
11105: BDY(vect)[j] = ndtodp(mod,u);
11106: }
11107: return vect;
11108: }
11109:
11110: void ndv_print_lf(NDV p)
11111: {
11112: NMV m;
11113: int i,len;
11114:
11115: if ( !p ) printf("0\n");
11116: else {
11117: len = LEN(p);
11118: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
11119: printf("+");
11120: mpz_out_str(asir_out,10,BDY(CZ(m)));
11121: printf("*");
11122: ndl_print(DL(m));
11123: }
11124: printf("\n");
11125: }
11126: }
11127:
11128: void nd_f4_lf_trace(LIST f,LIST v,int trace,int homo,struct order_spec *ord,LIST *rp)
11129: {
11130: VL tv,fv,vv,vc,av;
11131: NODE fd,fd0,in0,in,r,r0,t,s,cand,alist;
11132: int m,nocheck,nvar,mindex,e,max;
11133: NDV c;
11134: NMV a;
11135: P p,zp;
11136: Q dmy;
11137: EPOS oepos;
11138: int obpe,oadv,wmax,i,len,cbpe,ishomo,nalg,mrank,trank,ompos;
11139: Alg alpha,dp;
11140: P poly;
11141: LIST f1,f2,zpl;
11142: Obj obj;
11143: NumberField nf;
11144: struct order_spec *ord1;
11145: struct oEGT eg_check,eg0,eg1;
11146: NODE tr,tl1,tl2,tl3,tl4;
11147: LIST l1,l2,l3,l4,l5;
11148: int *perm;
11149: int j,ret;
11150: NODE retn;
11151: Q jq,bpe;
11152:
11153: nd_module = 0;
11154: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
1.46 noro 11155: parse_nd_option(vv,current_option);
1.1 noro 11156: if ( nd_vc )
11157: error("nd_f4_lf_trace : computation over a rational function field is not implemented");
11158: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
11159: switch ( ord->id ) {
11160: case 1:
11161: if ( ord->nv != nvar )
11162: error("nd_f4_lf_trace : invalid order specification");
11163: break;
11164: default:
11165: break;
11166: }
11167:
11168: nd_ntrans = nvar;
11169: nd_nalg = 0;
11170:
11171: nocheck = 0;
11172: mindex = 0;
11173:
11174: /* do not use on-demand load/save */
11175: nd_demand = 0;
11176: m = trace > 1 ? trace : get_lprime(mindex);
11177: nd_init_ord(ord);
11178: mrank = 0;
11179: for ( t = BDY(f), max = 1; t; t = NEXT(t) )
11180: for ( tv = vv; tv; tv = NEXT(tv) ) {
11181: if ( nd_module ) {
11182: s = BDY((LIST)BDY(t));
11183: trank = length(s);
11184: mrank = MAX(mrank,trank);
11185: for ( ; s; s = NEXT(s) ) {
11186: e = getdeg(tv->v,(P)BDY(s));
11187: max = MAX(e,max);
11188: }
11189: } else {
11190: e = getdeg(tv->v,(P)BDY(t));
11191: max = MAX(e,max);
11192: }
11193: }
11194: nd_setup_parameters(nvar,max);
11195: obpe = nd_bpe; oadv = nmv_adv; oepos = nd_epos; ompos = nd_mpos;
11196: ishomo = 1;
11197: /* XXX */
11198: for ( in0 = 0, fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
11199: if ( nd_module ) {
11200: c = (pointer)pltondv(CO,vv,(LIST)BDY(t));
11201: } else {
11202: c = (pointer)ptondv(CO,vv,(P)BDY(t));
11203: }
11204: if ( ishomo )
11205: ishomo = ishomo && ndv_ishomo(c);
11206: if ( c ) {
11207: NEXTNODE(fd0,fd); BDY(fd) = (pointer)ndv_dup(0,c);
11208: ndv_mod(-2,c);
11209: NEXTNODE(in0,in); BDY(in) = (pointer)c;
11210: }
11211: }
11212: if ( in0 ) NEXT(in) = 0;
11213: if ( fd0 ) NEXT(fd) = 0;
11214: if ( !ishomo && homo ) {
11215: for ( t = in0, wmax = max; t; t = NEXT(t) ) {
11216: c = (NDV)BDY(t); len = LEN(c);
11217: for ( a = BDY(c), i = 0; i < len; i++, NMV_ADV(a) )
11218: wmax = MAX(TD(DL(a)),wmax);
11219: }
11220: homogenize_order(ord,nvar,&ord1);
11221: nd_init_ord(ord1);
11222: nd_setup_parameters(nvar+1,wmax);
11223: for ( t = fd0; t; t = NEXT(t) )
11224: ndv_homogenize((NDV)BDY(t),obpe,oadv,oepos,ompos);
11225: }
11226: if ( MaxDeg > 0 ) nocheck = 1;
1.24 noro 11227: ret = ndv_setup(-2,m,fd0,nd_gbblock?1:0,0,0);
1.1 noro 11228: if ( ret )
11229: cand = nd_f4_lf_trace_main(m,&perm);
11230: if ( !ret || !cand ) {
11231: *rp = 0; return;
11232: }
11233: if ( !ishomo && homo ) {
11234: /* dehomogenization */
11235: for ( t = cand; t; t = NEXT(t) ) ndv_dehomogenize((NDV)BDY(t),ord);
11236: nd_init_ord(ord);
11237: nd_setup_parameters(nvar,0);
11238: }
11239: cand = ndv_reducebase(cand,perm);
11240: cand = ndv_reduceall(-2,cand);
11241: cbpe = nd_bpe;
11242: get_eg(&eg0);
11243: if ( (ret = ndv_check_membership(-2,in0,obpe,oadv,oepos,cand)) != 0 ) {
11244: /* gbcheck : cand is a GB of Id(cand) ? */
11245: retn = nd_f4(-2,0,0);
11246: }
11247: if ( !retn ) {
11248: /* failure */
11249: *rp = 0; return;
11250: }
11251: get_eg(&eg1); init_eg(&eg_check); add_eg(&eg_check,&eg0,&eg1);
11252: if ( DP_Print )
1.5 noro 11253: fprintf(asir_out,"check=%.3fsec\n",eg_check.exectime);
1.1 noro 11254: /* dp->p */
11255: nd_bpe = cbpe;
11256: nd_setup_parameters(nd_nvar,0);
11257: for ( r = cand; r; r = NEXT(r) ) {
11258: if ( nd_module ) BDY(r) = ndvtopl(-2,CO,vv,BDY(r),mrank);
11259: else BDY(r) = (pointer)ndvtop(-2,CO,vv,BDY(r));
11260: }
11261: MKLIST(*rp,cand);
11262: }
11263:
11264: NODE nd_f4_lf_trace_main(int m,int **indp)
11265: {
11266: int i,nh,stat,index;
11267: NODE r,rm,g;
11268: ND_pairs d,l,l0,t;
11269: ND spol,red;
11270: NDV nf,redv,nfqv,nfv;
11271: NM s0,s;
11272: NODE rp0,srp0,nflist,nflist_lf;
11273: int nsp,nred,col,rank,len,k,j,a;
11274: UINT c;
11275: UINT **spmat;
11276: UINT *s0vect,*svect,*p,*v;
11277: int *colstat;
11278: IndArray *imat;
11279: int *rhead;
11280: int spcol,sprow;
11281: int sugar;
11282: PGeoBucket bucket;
11283: struct oEGT eg0,eg1,eg_f4;
11284:
11285: g = 0; d = 0;
11286: for ( i = 0; i < nd_psn; i++ ) {
11287: d = update_pairs(d,g,i,0);
11288: g = update_base(g,i);
11289: }
11290: while ( d ) {
11291: get_eg(&eg0);
11292: l = nd_minsugarp(d,&d);
11293: sugar = SG(l);
11294: if ( MaxDeg > 0 && sugar > MaxDeg ) break;
11295: bucket = create_pbucket();
11296: stat = nd_sp_f4(m,0,l,bucket);
11297: if ( !stat ) {
11298: for ( t = l; NEXT(t); t = NEXT(t) );
11299: NEXT(t) = d; d = l;
11300: d = nd_reconstruct(1,d);
11301: continue;
11302: }
11303: if ( bucket->m < 0 ) continue;
11304: col = nd_symbolic_preproc(bucket,0,&s0vect,&rp0);
11305: if ( !col ) {
11306: for ( t = l; NEXT(t); t = NEXT(t) );
11307: NEXT(t) = d; d = l;
11308: d = nd_reconstruct(1,d);
11309: continue;
11310: }
11311: get_eg(&eg1); init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg1);
11312: if ( DP_Print )
1.5 noro 11313: fprintf(asir_out,"\nsugar=%d,symb=%.3fsec,",sugar,eg_f4.exectime);
1.1 noro 11314: nflist = nd_f4_red(m,l,0,s0vect,col,rp0,&l0);
11315: if ( !l0 ) continue;
11316: l = l0;
11317:
11318: /* over LF */
11319: bucket = create_pbucket();
11320: stat = nd_sp_f4(-2,1,l,bucket);
11321: if ( !stat ) {
11322: for ( t = l; NEXT(t); t = NEXT(t) );
11323: NEXT(t) = d; d = l;
11324: d = nd_reconstruct(1,d);
11325: continue;
11326: }
11327: if ( bucket->m < 0 ) continue;
11328: col = nd_symbolic_preproc(bucket,1,&s0vect,&rp0);
11329: if ( !col ) {
11330: for ( t = l; NEXT(t); t = NEXT(t) );
11331: NEXT(t) = d; d = l;
11332: d = nd_reconstruct(1,d);
11333: continue;
11334: }
11335: nflist_lf = nd_f4_red(-2,l,1,s0vect,col,rp0,0);
11336: /* adding new bases */
11337: for ( rm = nflist, r = nflist_lf; r && rm; rm = NEXT(rm), r = NEXT(r) ) {
11338: nfv = (NDV)BDY(rm);
11339: nfqv = (NDV)BDY(r);
11340: if ( DL_COMPARE(HDL(nfv),HDL(nfqv)) ) return 0;
11341: ndv_removecont(m,nfv);
11342: ndv_removecont(-2,nfqv);
1.24 noro 11343: nh = ndv_newps(-2,nfv,nfqv);
1.1 noro 11344: d = update_pairs(d,g,nh,0);
11345: g = update_base(g,nh);
11346: }
11347: if ( r || rm ) return 0;
11348: }
11349: conv_ilist(nd_demand,1,g,indp);
11350: return g;
11351: }
11352:
1.7 noro 11353: #if SIZEOF_LONG==8
11354:
11355: NDV vect64_to_ndv(mp_limb_t *vect,int spcol,int col,int *rhead,UINT *s0vect)
11356: {
11357: int j,k,len;
11358: UINT *p;
11359: UINT c;
11360: NDV r;
11361: NMV mr0,mr;
11362:
11363: for ( j = 0, len = 0; j < spcol; j++ ) if ( vect[j] ) len++;
11364: if ( !len ) return 0;
11365: else {
11366: mr0 = (NMV)MALLOC_ATOMIC_IGNORE_OFF_PAGE(nmv_adv*len);
11367: #if 0
11368: ndv_alloc += nmv_adv*len;
11369: #endif
11370: mr = mr0;
11371: p = s0vect;
11372: for ( j = k = 0; j < col; j++, p += nd_wpd )
11373: if ( !rhead[j] ) {
11374: if ( (c = (UINT)vect[k++]) != 0 ) {
11375: ndl_copy(p,DL(mr)); CM(mr) = c; NMV_ADV(mr);
11376: }
11377: }
11378: MKNDV(nd_nvar,mr0,len,r);
11379: return r;
11380: }
11381: }
11382:
1.28 noro 11383: NDV vect64_to_ndv_s(mp_limb_t *vect,int col,UINT *s0vect)
11384: {
11385: int j,k,len;
11386: UINT *p;
11387: UINT c;
11388: NDV r;
11389: NMV mr0,mr;
11390:
11391: for ( j = 0, len = 0; j < col; j++ ) if ( vect[j] ) len++;
11392: if ( !len ) return 0;
11393: else {
11394: mr0 = (NMV)MALLOC_ATOMIC_IGNORE_OFF_PAGE(nmv_adv*len);
11395: mr = mr0;
11396: p = s0vect;
11397: for ( j = k = 0; j < col; j++, p += nd_wpd )
11398: if ( (c = (UINT)vect[k++]) != 0 ) {
11399: ndl_copy(p,DL(mr)); CM(mr) = c; NMV_ADV(mr);
11400: }
11401: MKNDV(nd_nvar,mr0,len,r);
11402: return r;
11403: }
11404: }
11405:
1.7 noro 11406: int nd_to_vect64(int mod,UINT *s0,int n,ND d,mp_limb_t *r)
11407: {
11408: NM m;
1.11 noro 11409: UINT *t,*s,*u;
11410: int i,st,ed,md,prev,c;
1.7 noro 11411:
11412: for ( i = 0; i < n; i++ ) r[i] = 0;
1.11 noro 11413: prev = 0;
11414: for ( i = 0, m = BDY(d); m; m = NEXT(m) ) {
11415: t = DL(m);
11416: st = prev;
11417: ed = n;
11418: while ( ed > st ) {
11419: md = (st+ed)/2;
11420: u = s0+md*nd_wpd;
11421: c = DL_COMPARE(u,t);
11422: if ( c == 0 ) break;
11423: else if ( c > 0 ) st = md;
11424: else ed = md;
11425: }
11426: r[md] = (mp_limb_t)CM(m);
11427: prev = md;
1.7 noro 11428: }
11429: for ( i = 0; !r[i]; i++ );
11430: return i;
11431: }
11432:
11433: #define MOD128(a,c,m) ((a)=(((c)!=0||((a)>=(m)))?(((((U128)(c))<<64)+(a))%(m)):(a)))
11434:
1.28 noro 11435: int ndv_reduce_vect64(int m,mp_limb_t *svect,mp_limb_t *cvect,int col,IndArray *imat,NM_ind_pair *rp0,int nred,SIG sig)
1.7 noro 11436: {
11437: int i,j,k,len,pos,prev;
11438: mp_limb_t a,c,c1,c2;
11439: IndArray ivect;
11440: unsigned char *ivc;
11441: unsigned short *ivs;
11442: unsigned int *ivi;
11443: NDV redv;
11444: NMV mr;
11445: NODE rp;
11446: int maxrs;
11447:
11448: for ( i = 0; i < col; i++ ) cvect[i] = 0;
11449: maxrs = 0;
11450: for ( i = 0; i < nred; i++ ) {
11451: ivect = imat[i];
11452: k = ivect->head;
11453: a = svect[k]; c = cvect[k];
11454: MOD128(a,c,m);
11455: svect[k] = a; cvect[k] = 0;
1.28 noro 11456: if ( (c = svect[k]) != 0 && (sig == 0 || comp_sig(sig,rp0[i]->sig) > 0 ) ) {
1.11 noro 11457: Nf4_red++;
1.7 noro 11458: maxrs = MAX(maxrs,rp0[i]->sugar);
11459: c = m-c; redv = nd_ps[rp0[i]->index];
11460: len = LEN(redv); mr = BDY(redv);
11461: svect[k] = 0; prev = k;
11462: switch ( ivect->width ) {
11463: case 1:
11464: ivc = ivect->index.c;
11465: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
11466: pos = prev+ivc[j]; c1 = CM(mr); prev = pos;
1.12 noro 11467: c2 = svect[pos]+c1*c;
11468: if ( c2 < svect[pos] ) cvect[pos]++;
11469: svect[pos] = c2;
1.7 noro 11470: }
11471: break;
11472: case 2:
11473: ivs = ivect->index.s;
11474: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
11475: pos = prev+ivs[j]; c1 = CM(mr); prev = pos;
1.12 noro 11476: c2 = svect[pos]+c1*c;
11477: if ( c2 < svect[pos] ) cvect[pos]++;
11478: svect[pos] = c2;
1.7 noro 11479: }
11480: break;
11481: case 4:
11482: ivi = ivect->index.i;
11483: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
11484: pos = prev+ivi[j]; c1 = CM(mr); prev = pos;
1.12 noro 11485: c2 = svect[pos]+c1*c;
11486: if ( c2 < svect[pos] ) cvect[pos]++;
11487: svect[pos] = c2;
1.7 noro 11488: }
11489: break;
11490: }
11491: }
11492: }
11493: for ( i = 0; i < col; i++ ) {
11494: a = svect[i]; c = cvect[i]; MOD128(a,c,m); svect[i] = a;
11495: }
11496: return maxrs;
11497: }
11498:
11499: /* for Fp, 2^15=<p<2^29 */
11500:
11501: NODE nd_f4_red_mod64_main(int m,ND_pairs sp0,int nsp,UINT *s0vect,int col,
11502: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred,ND_pairs *nz)
11503: {
11504: int spcol,sprow,a;
11505: int i,j,k,l,rank;
11506: NODE r0,r;
11507: ND_pairs sp;
11508: ND spol;
11509: mp_limb_t **spmat;
11510: mp_limb_t *svect,*cvect;
11511: mp_limb_t *v;
11512: int *colstat;
11513: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
11514: int maxrs;
11515: int *spsugar;
11516: ND_pairs *spactive;
11517:
11518: spcol = col-nred;
11519: get_eg(&eg0);
11520: /* elimination (1st step) */
11521: spmat = (mp_limb_t **)MALLOC(nsp*sizeof(mp_limb_t *));
11522: svect = (mp_limb_t *)MALLOC(col*sizeof(mp_limb_t));
11523: cvect = (mp_limb_t *)MALLOC(col*sizeof(mp_limb_t));
11524: spsugar = (int *)MALLOC(nsp*sizeof(int));
11525: spactive = !nz?0:(ND_pairs *)MALLOC(nsp*sizeof(ND_pairs));
11526: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
11527: nd_sp(m,0,sp,&spol);
11528: if ( !spol ) continue;
11529: nd_to_vect64(m,s0vect,col,spol,svect);
1.28 noro 11530: maxrs = ndv_reduce_vect64(m,svect,cvect,col,imat,rvect,nred,0);
1.7 noro 11531: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
11532: if ( i < col ) {
11533: spmat[sprow] = v = (mp_limb_t *)MALLOC_ATOMIC(spcol*sizeof(mp_limb_t));
11534: for ( j = k = 0; j < col; j++ )
11535: if ( !rhead[j] ) v[k++] = (UINT)svect[j];
11536: spsugar[sprow] = MAX(maxrs,SG(spol));
11537: if ( nz )
11538: spactive[sprow] = sp;
11539: sprow++;
11540: }
11541: nd_free(spol);
11542: }
1.12 noro 11543: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1); add_eg(&f4_elim1,&eg0,&eg1);
1.7 noro 11544: if ( DP_Print ) {
11545: fprintf(asir_out,"elim1=%.3fsec,",eg_f4_1.exectime);
11546: fflush(asir_out);
11547: }
11548: /* free index arrays */
11549: for ( i = 0; i < nred; i++ ) GCFREE(imat[i]->index.c);
11550:
11551: /* elimination (2nd step) */
11552: colstat = (int *)MALLOC(spcol*sizeof(int));
11553: rank = nd_gauss_elim_mod64(spmat,spsugar,spactive,sprow,spcol,m,colstat);
11554: r0 = 0;
11555: for ( i = 0; i < rank; i++ ) {
11556: NEXTNODE(r0,r); BDY(r) =
11557: (pointer)vect64_to_ndv(spmat[i],spcol,col,rhead,s0vect);
11558: SG((NDV)BDY(r)) = spsugar[i];
11559: GCFREE(spmat[i]);
11560: }
11561: if ( r0 ) NEXT(r) = 0;
11562:
11563: for ( ; i < sprow; i++ ) GCFREE(spmat[i]);
1.12 noro 11564: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2); add_eg(&f4_elim2,&eg1,&eg2);
1.7 noro 11565: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
11566: if ( DP_Print ) {
11567: fprintf(asir_out,"elim2=%.3fsec,",eg_f4_2.exectime);
11568: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
11569: nsp,nred,sprow,spcol,rank);
11570: fprintf(asir_out,"%.3fsec,",eg_f4.exectime);
11571: }
11572: if ( nz ) {
11573: for ( i = 0; i < rank-1; i++ ) NEXT(spactive[i]) = spactive[i+1];
11574: if ( rank > 0 ) {
11575: NEXT(spactive[rank-1]) = 0;
11576: *nz = spactive[0];
11577: } else
11578: *nz = 0;
11579: }
11580: return r0;
11581: }
11582:
11583: int nd_gauss_elim_mod64(mp_limb_t **mat,int *sugar,ND_pairs *spactive,int row,int col,int md,int *colstat)
11584: {
11585: int i,j,k,l,rank,s;
11586: mp_limb_t inv;
11587: mp_limb_t a;
11588: UINT c;
11589: mp_limb_t *t,*pivot,*pk;
11590: UINT *ck;
11591: UINT **cmat;
11592: UINT *ct;
11593: ND_pairs pair;
11594:
11595: cmat = (UINT **)MALLOC(row*sizeof(UINT *));
11596: for ( i = 0; i < row; i++ ) {
11597: cmat[i] = MALLOC_ATOMIC(col*sizeof(UINT));
11598: bzero(cmat[i],col*sizeof(UINT));
11599: }
11600:
11601: for ( rank = 0, j = 0; j < col; j++ ) {
11602: for ( i = rank; i < row; i++ ) {
11603: a = mat[i][j]; c = cmat[i][j];
11604: MOD128(a,c,md);
11605: mat[i][j] = a; cmat[i][j] = 0;
11606: }
11607: for ( i = rank; i < row; i++ )
11608: if ( mat[i][j] )
11609: break;
11610: if ( i == row ) {
11611: colstat[j] = 0;
11612: continue;
11613: } else
11614: colstat[j] = 1;
11615: if ( i != rank ) {
11616: t = mat[i]; mat[i] = mat[rank]; mat[rank] = t;
11617: ct = cmat[i]; cmat[i] = cmat[rank]; cmat[rank] = ct;
11618: s = sugar[i]; sugar[i] = sugar[rank]; sugar[rank] = s;
11619: if ( spactive ) {
11620: pair = spactive[i]; spactive[i] = spactive[rank];
11621: spactive[rank] = pair;
11622: }
11623: }
11624: /* column j is normalized */
11625: s = sugar[rank];
11626: inv = invm((UINT)mat[rank][j],md);
11627: /* normalize pivot row */
11628: for ( k = j, pk = mat[rank]+j, ck = cmat[rank]+j; k < col; k++, pk++, ck++ ) {
11629: a = *pk; c = *ck; MOD128(a,c,md); *pk = (a*inv)%md; *ck = 0;
11630: }
11631: for ( i = rank+1; i < row; i++ ) {
11632: if ( (a = mat[i][j]) != 0 ) {
11633: sugar[i] = MAX(sugar[i],s);
11634: red_by_vect64(md,mat[i]+j,cmat[i]+j,mat[rank]+j,(int)(md-a),col-j);
1.11 noro 11635: Nf4_red++;
1.7 noro 11636: }
11637: }
11638: rank++;
11639: }
11640: for ( j = col-1, l = rank-1; j >= 0; j-- )
11641: if ( colstat[j] ) {
11642: for ( k = j, pk = mat[l]+j, ck = cmat[l]+j; k < col; k++, pk++, ck++ ) {
11643: a = *pk; c = *ck; MOD128(a,c,md); *pk = a; *ck = 0;
11644: }
11645: s = sugar[l];
11646: for ( i = 0; i < l; i++ ) {
11647: a = mat[i][j]; c = cmat[i][j]; MOD128(a,c,md); mat[i][j] = a; cmat[i][j] = 0;
11648: if ( a ) {
11649: sugar[i] = MAX(sugar[i],s);
11650: red_by_vect64(md,mat[i]+j,cmat[i]+j,mat[l]+j,(int)(md-a),col-j);
1.11 noro 11651: Nf4_red++;
1.7 noro 11652: }
11653: }
11654: l--;
11655: }
11656: for ( i = 0; i < row; i++ ) GCFREE(cmat[i]);
11657: GCFREE(cmat);
11658: return rank;
11659: }
11660:
1.28 noro 11661: int nd_gauss_elim_mod64_s(mp_limb_t **mat,int *sugar,ND_pairs *spactive,int row,int col,int md,int *colstat,SIG *sig)
11662: {
11663: int i,j,k,l,rank,s,imin;
11664: mp_limb_t inv;
11665: mp_limb_t a;
11666: UINT c;
11667: mp_limb_t *t,*pivot,*pk;
11668: UINT *ck;
11669: UINT **cmat;
11670: UINT *ct;
11671: ND_pairs pair;
11672: SIG sg;
1.31 noro 11673: int *used;
1.28 noro 11674:
1.31 noro 11675: used = (int *)MALLOC(row*sizeof(int));
1.28 noro 11676: cmat = (UINT **)MALLOC(row*sizeof(UINT *));
11677: for ( i = 0; i < row; i++ ) {
11678: cmat[i] = MALLOC_ATOMIC(col*sizeof(UINT));
11679: bzero(cmat[i],col*sizeof(UINT));
11680: }
11681:
1.31 noro 11682: for ( j = 0; j < col; j++ ) {
11683: for ( i = 0; i < row; i++ ) {
1.28 noro 11684: a = mat[i][j]; c = cmat[i][j];
11685: MOD128(a,c,md);
11686: mat[i][j] = a; cmat[i][j] = 0;
11687: }
1.31 noro 11688: for ( i = 0; i < row; i++ )
11689: if ( !used[i] && mat[i][j] ) break;
11690: if ( i == row ) {
1.28 noro 11691: colstat[j] = 0;
11692: continue;
1.31 noro 11693: } else {
1.28 noro 11694: colstat[j] = 1;
1.31 noro 11695: used[i] = 1;
1.28 noro 11696: }
11697: /* column j is normalized */
1.31 noro 11698: s = sugar[i];
11699: inv = invm((UINT)mat[i][j],md);
1.28 noro 11700: /* normalize pivot row */
1.31 noro 11701: for ( k = j, pk = mat[i]+j, ck = cmat[i]+j; k < col; k++, pk++, ck++ ) {
1.28 noro 11702: a = *pk; c = *ck; MOD128(a,c,md); *pk = (a*inv)%md; *ck = 0;
11703: }
1.31 noro 11704: for ( k = i+1; k < row; k++ ) {
11705: if ( (a = mat[k][j]) != 0 ) {
11706: sugar[k] = MAX(sugar[k],s);
11707: red_by_vect64(md,mat[k]+j,cmat[k]+j,mat[i]+j,(int)(md-a),col-j);
1.28 noro 11708: Nf4_red++;
11709: }
11710: }
11711: }
1.31 noro 11712: rank = 0;
11713: for ( i = 0; i < row; i++ ) {
11714: for ( j = 0; j < col; j++ )
11715: if ( mat[i][j] ) break;
11716: if ( j == col ) sugar[i] = -1;
11717: else rank++;
11718: }
1.28 noro 11719: for ( i = 0; i < row; i++ ) GCFREE(cmat[i]);
11720: GCFREE(cmat);
11721: return rank;
11722: }
11723:
11724: NODE nd_f4_red_mod64_main_s(int m,ND_pairs sp0,int nsp,UINT *s0vect,int col,
11725: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred,NODE *syzlistp)
11726: {
11727: int spcol,sprow,a;
11728: int i,j,k,l,rank;
11729: NODE r0,r;
11730: ND_pairs sp;
11731: ND spol;
11732: mp_limb_t **spmat;
11733: mp_limb_t *svect,*cvect;
11734: mp_limb_t *v;
11735: int *colstat;
11736: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
11737: int maxrs;
11738: int *spsugar;
11739: ND_pairs *spactive;
11740: SIG *spsig;
11741:
11742: get_eg(&eg0);
11743: /* elimination (1st step) */
11744: spmat = (mp_limb_t **)MALLOC(nsp*sizeof(mp_limb_t *));
11745: cvect = (mp_limb_t *)MALLOC(col*sizeof(mp_limb_t));
11746: spsugar = (int *)MALLOC(nsp*sizeof(int));
11747: spsig = (SIG *)MALLOC(nsp*sizeof(SIG));
11748: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
11749: nd_sp(m,0,sp,&spol);
11750: if ( !spol ) {
1.29 noro 11751: syzlistp[sp->sig->pos] = insert_sig(syzlistp[sp->sig->pos],sp->sig);
1.28 noro 11752: continue;
11753: }
11754: svect = (mp_limb_t *)MALLOC(col*sizeof(mp_limb_t));
11755: nd_to_vect64(m,s0vect,col,spol,svect);
11756: maxrs = ndv_reduce_vect64(m,svect,cvect,col,imat,rvect,nred,spol->sig);
11757: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
11758: if ( i < col ) {
11759: spmat[sprow] = svect;
11760: spsugar[sprow] = MAX(maxrs,SG(spol));
11761: spsig[sprow] = sp->sig;
11762: sprow++;
11763: } else {
1.29 noro 11764: syzlistp[sp->sig->pos] = insert_sig(syzlistp[sp->sig->pos],sp->sig);
1.28 noro 11765: }
11766: nd_free(spol);
11767: }
11768: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1); add_eg(&f4_elim1,&eg0,&eg1);
11769: if ( DP_Print ) {
11770: fprintf(asir_out,"elim1=%.3fsec,",eg_f4_1.exectime);
11771: fflush(asir_out);
11772: }
11773: /* free index arrays */
11774: for ( i = 0; i < nred; i++ ) GCFREE(imat[i]->index.c);
11775:
11776: /* elimination (2nd step) */
11777: colstat = (int *)MALLOC(col*sizeof(int));
11778: rank = nd_gauss_elim_mod64_s(spmat,spsugar,0,sprow,col,m,colstat,spsig);
11779: r0 = 0;
1.31 noro 11780: for ( i = 0; i < sprow; i++ ) {
11781: if ( spsugar[i] >= 0 ) {
11782: NEXTNODE(r0,r);
11783: BDY(r) = vect64_to_ndv_s(spmat[i],col,s0vect);
11784: SG((NDV)BDY(r)) = spsugar[i];
11785: ((NDV)BDY(r))->sig = spsig[i];
11786: } else
11787: syzlistp[spsig[i]->pos] = insert_sig(syzlistp[spsig[i]->pos],spsig[i]);
1.28 noro 11788: GCFREE(spmat[i]);
11789: }
11790: if ( r0 ) NEXT(r) = 0;
11791: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2); add_eg(&f4_elim2,&eg1,&eg2);
11792: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
11793: if ( DP_Print ) {
11794: fprintf(asir_out,"elim2=%.3fsec,",eg_f4_2.exectime);
11795: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
11796: nsp,nred,sprow,col,rank);
11797: fprintf(asir_out,"%.3fsec,",eg_f4.exectime);
11798: }
11799: return r0;
11800: }
1.40 noro 11801: #endif
1.28 noro 11802:
11803: NODE nd_f4_red_s(int m,ND_pairs sp0,int trace,UINT *s0vect,int col,NODE rp0,NODE *syzlistp)
11804: {
11805: IndArray *imat;
11806: int nsp,nred,i,start;
11807: int *rhead;
11808: NODE r0,rp;
11809: ND_pairs sp;
11810: NM_ind_pair *rvect;
11811: UINT *s;
11812: int *s0hash;
11813: struct oEGT eg0,eg1,eg_conv;
11814:
11815: for ( sp = sp0, nsp = 0; sp; sp = NEXT(sp), nsp++ );
11816: nred = length(rp0);
11817: imat = (IndArray *)MALLOC(nred*sizeof(IndArray));
11818: rhead = (int *)MALLOC(col*sizeof(int));
11819: for ( i = 0; i < col; i++ ) rhead[i] = 0;
11820:
11821: /* construction of index arrays */
11822: get_eg(&eg0);
11823: if ( DP_Print ) {
11824: fprintf(asir_out,"%dx%d,",nsp+nred,col);
11825: fflush(asir_out);
11826: }
11827: rvect = (NM_ind_pair *)MALLOC(nred*sizeof(NM_ind_pair));
11828: for ( start = 0, rp = rp0, i = 0; rp; i++, rp = NEXT(rp) ) {
11829: rvect[i] = (NM_ind_pair)BDY(rp);
11830: imat[i] = nm_ind_pair_to_vect_compress(trace,s0vect,col,rvect[i],start);
11831: rhead[imat[i]->head] = 1;
11832: start = imat[i]->head;
11833: }
11834: get_eg(&eg1); init_eg(&eg_conv); add_eg(&eg_conv,&eg0,&eg1); add_eg(&f4_conv,&eg0,&eg1);
11835: if ( DP_Print ) {
11836: fprintf(asir_out,"conv=%.3fsec,",eg_conv.exectime);
11837: fflush(asir_out);
11838: }
11839: if ( m > 0 )
1.40 noro 11840: #if SIZEOF_LONG==8
1.28 noro 11841: r0 = nd_f4_red_mod64_main_s(m,sp0,nsp,s0vect,col,rvect,rhead,imat,nred,syzlistp);
1.40 noro 11842: #else
11843: r0 = nd_f4_red_main_s(m,sp0,nsp,s0vect,col,rvect,rhead,imat,nred,syzlistp);
11844: #endif
1.28 noro 11845: else
11846: // r0 = nd_f4_red_q_main_s(sp0,nsp,trace,s0vect,col,rvect,rhead,imat,nred);
11847: error("nd_f4_red_q_main_s : not implemented yet");
11848: return r0;
11849: }
11850:
11851: INLINE int ndl_find_reducer_minsig(UINT *dg)
11852: {
11853: RHist r;
11854: int i,singular,ret,d,k,imin;
11855: SIG t;
11856: static int wpd,nvar;
11857: static SIG quo,quomin;
11858: static UINT *tmp;
11859:
11860: if ( !quo || nvar != nd_nvar ) { NEWSIG(quo); NEWSIG(quomin); }
11861: if ( wpd != nd_wpd ) {
11862: wpd = nd_wpd;
11863: tmp = (UINT *)MALLOC(wpd*sizeof(UINT));
11864: }
11865: #if 0
11866: d = ndl_hash_value(dg);
11867: for ( r = nd_red[d], k = 0; r; r = NEXT(r), k++ ) {
11868: if ( ndl_equal(dg,DL(r)) ) {
11869: return r->index;
11870: }
11871: }
11872: #endif
11873: imin = -1;
11874: for ( i = 0; i < nd_psn; i++ ) {
11875: r = nd_psh[i];
11876: if ( ndl_reducible(dg,DL(r)) ) {
11877: ndl_sub(dg,DL(r),tmp);
11878: _ndltodl(tmp,DL(quo));
11879: _addtodl(nd_nvar,DL(nd_psh[i]->sig),DL(quo));
11880: quo->pos = nd_psh[i]->sig->pos;
11881: if ( imin < 0 || comp_sig(quomin,quo) > 0 ) {
11882: t = quo; quo = quomin; quomin = t;
11883: imin = i;
11884: }
11885: }
11886: }
11887: if ( imin == -1 ) return nd_psn;
11888: else {
11889: #if 0
11890: nd_append_red(dg,i);
11891: #endif
11892: return imin;
11893: }
11894: }
11895:
11896: int nd_symbolic_preproc_s(PGeoBucket bucket,int trace,UINT **s0vect,NODE *r)
11897: {
11898: NODE rp0,rp;
11899: NM mul,head,s0,s;
11900: int index,col,i,sugar;
11901: RHist h;
11902: UINT *s0v,*p;
11903: NM_ind_pair pair;
11904: ND red;
11905: NDV *ps;
11906: SIG sig;
11907:
11908: s0 = 0; rp0 = 0; col = 0;
11909: if ( nd_demand )
11910: ps = trace?nd_ps_trace_sym:nd_ps_sym;
11911: else
11912: ps = trace?nd_ps_trace:nd_ps;
11913: while ( 1 ) {
11914: head = remove_head_pbucket_symbolic(bucket);
11915: if ( !head ) break;
11916: if ( !s0 ) s0 = head;
11917: else NEXT(s) = head;
11918: s = head;
11919: index = ndl_find_reducer_minsig(DL(head));
11920: if ( index >= 0 && index < nd_psn ) {
11921: h = nd_psh[index];
11922: NEWNM(mul);
11923: ndl_sub(DL(head),DL(h),DL(mul));
11924: if ( ndl_check_bound2(index,DL(mul)) )
11925: return 0;
11926: sugar = TD(DL(mul))+SG(ps[index]);
11927: NEWSIG(sig);
11928: _ndltodl(DL(mul),DL(sig));
11929: _addtodl(nd_nvar,DL(nd_psh[index]->sig),DL(sig));
11930: sig->pos = nd_psh[index]->sig->pos;
11931: MKNM_ind_pair(pair,mul,index,sugar,sig);
11932: red = ndv_mul_nm_symbolic(mul,ps[index]);
11933: add_pbucket_symbolic(bucket,nd_remove_head(red));
11934: NEXTNODE(rp0,rp); BDY(rp) = (pointer)pair;
11935: }
11936: col++;
11937: }
11938: if ( rp0 ) NEXT(rp) = 0;
11939: NEXT(s) = 0;
11940: s0v = (UINT *)MALLOC_ATOMIC(col*nd_wpd*sizeof(UINT));
11941: for ( i = 0, p = s0v, s = s0; i < col;
11942: i++, p += nd_wpd, s = NEXT(s) ) ndl_copy(DL(s),p);
11943: *s0vect = s0v;
11944: *r = rp0;
11945:
11946: return col;
11947: }
11948:
11949: NODE nd_sba_f4(int m,int **indp)
11950: {
1.34 noro 11951: int i,nh,stat,index,f4red,f4step;
1.33 noro 11952: int col,rank,len,k,j,a,sugar,nbase,psugar,ms;
11953: NODE r,g,rp0,nflist;
1.41 noro 11954: ND_pairs d,l,t,l1;
1.33 noro 11955: ND h,nf;
11956: NDV nfv;
11957: union oNDC hc;
11958: UINT *s0vect;
1.28 noro 11959: UINT c;
11960: PGeoBucket bucket;
1.33 noro 11961: NODE *syzlist;
11962: SIG sig;
1.28 noro 11963: struct oEGT eg0,eg1,eg_f4;
1.33 noro 11964: struct oEGT eg2,eg_update,eg_remove,eg_large,eg_nf,eg_nfzero;
1.28 noro 11965:
11966: Nf4_red=0;
1.30 noro 11967: d = 0;
1.29 noro 11968: syzlist = (NODE *)MALLOC(nd_psn*sizeof(NODE));
1.28 noro 11969: for ( i = 0; i < nd_psn; i++ ) {
1.30 noro 11970: d = update_pairs_s(d,i,syzlist);
1.28 noro 11971: }
1.30 noro 11972: nd_nbase = nd_psn;
1.28 noro 11973: f4red = 1;
1.33 noro 11974: psugar = 0;
1.34 noro 11975: f4step = 0;
1.28 noro 11976: while ( d ) {
1.33 noro 11977: for ( t = d, ms = SG(d); t; t = NEXT(t) )
11978: if ( SG(t) < ms ) ms = SG(t);
1.38 noro 11979: if ( ms == psugar && f4step >= nd_sba_f4step ) {
1.33 noro 11980: again:
11981: l = d; d = d->next;
1.41 noro 11982: #if 0
1.33 noro 11983: if ( small_lcm(l) ) {
11984: if ( DP_Print ) fprintf(asir_out,"M");
11985: continue;
11986: }
11987: sig = l->sig;
11988: stat = nd_sp(m,0,l,&h);
1.41 noro 11989: #else
11990: l1 = find_smallest_lcm(l);
11991: if ( l1 == 0 ) {
11992: if ( DP_Print ) fprintf(asir_out,"M");
11993: continue;
11994: }
11995: sig = l1->sig;
11996: stat = nd_sp(m,0,l1,&h);
11997: #endif
1.33 noro 11998: if ( !stat ) {
11999: NEXT(l) = d; d = l;
12000: d = nd_reconstruct(0,d);
12001: goto again;
12002: }
12003: get_eg(&eg1);
12004: #if USE_GEOBUCKET
1.39 noro 12005: stat = m?nd_nf_pbucket_s(m,h,nd_ps,!nd_top&&!Top,&nf):nd_nf_s(m,0,h,nd_ps,!nd_top&&!Top,&nf);
1.33 noro 12006: #else
1.39 noro 12007: stat = nd_nf_s(m,0,h,nd_ps,!nd_top&&!Top,&nf);
1.33 noro 12008: #endif
12009: get_eg(&eg2);
12010: if ( !stat ) {
12011: NEXT(l) = d; d = l;
12012: d = nd_reconstruct(0,d);
12013: goto again;
12014: } else if ( stat == -1 ) {
12015: if ( DP_Print ) { printf("S"); fflush(stdout); }
12016: FREENDP(l);
12017: } else if ( nf ) {
12018: if ( DP_Print ) { printf("+"); fflush(stdout); }
12019: add_eg(&eg_nf,&eg1,&eg2);
12020: hc = HCU(nf);
12021: nd_removecont(m,nf);
12022: nfv = ndtondv(m,nf); nd_free(nf);
12023: nh = ndv_newps(m,nfv,0);
12024:
1.30 noro 12025: d = update_pairs_s(d,nh,syzlist);
12026: nd_sba_pos[sig->pos] = append_one(nd_sba_pos[sig->pos],nh);
1.33 noro 12027: FREENDP(l);
1.28 noro 12028: } else {
1.33 noro 12029: add_eg(&eg_nfzero,&eg1,&eg2);
12030: // syzygy
12031: get_eg(&eg1);
12032: d = remove_spair_s(d,sig);
12033: get_eg(&eg2); add_eg(&eg_remove,&eg1,&eg2);
1.29 noro 12034: syzlist[sig->pos] = insert_sig(syzlist[sig->pos],sig);
1.33 noro 12035: if ( DP_Print ) { printf("."); fflush(stdout); }
12036: FREENDP(l);
12037: }
12038: } else {
1.34 noro 12039: if ( ms != psugar ) f4step = 1;
12040: else f4step++;
1.33 noro 12041: again2:
12042: psugar = ms;
12043: l = nd_minsugarp_s(d,&d);
12044: sugar = nd_sugarweight?d->sugar2:SG(d);
12045: bucket = create_pbucket();
12046: stat = nd_sp_f4(m,0,l,bucket);
12047: if ( !stat ) {
12048: for ( t = l; NEXT(t); t = NEXT(t) );
12049: NEXT(t) = d; d = l;
12050: d = nd_reconstruct(0,d);
12051: goto again2;
12052: }
12053: if ( bucket->m < 0 ) continue;
12054: col = nd_symbolic_preproc_s(bucket,0,&s0vect,&rp0);
12055: if ( !col ) {
1.37 noro 12056: for ( t = l; NEXT(t); t = NEXT(t) )
12057: ;
12058: NEXT(t) = d; d = l;
1.33 noro 12059: d = nd_reconstruct(0,d);
12060: goto again2;
12061: }
1.34 noro 12062: if ( DP_Print ) fprintf(asir_out,"\nsugar=%d,",psugar);
1.33 noro 12063: nflist = nd_f4_red_s(m,l,0,s0vect,col,rp0,syzlist);
12064: /* adding new bases */
12065: for ( r = nflist; r; r = NEXT(r) ) {
12066: nfv = (NDV)BDY(r);
1.38 noro 12067: if ( nd_f4_td ) SG(nfv) = nd_tdeg(nfv);
1.33 noro 12068: ndv_removecont(m,nfv);
12069: nh = ndv_newps(m,nfv,0);
12070: d = update_pairs_s(d,nh,syzlist);
12071: nd_sba_pos[nfv->sig->pos] = append_one(nd_sba_pos[nfv->sig->pos],nh);
12072: }
12073: for ( i = 0; i < nd_nbase; i++ )
12074: for ( r = syzlist[i]; r; r = NEXT(r) )
12075: d = remove_spair_s(d,(SIG)BDY(r));
12076: d = remove_large_lcm(d);
12077: if ( DP_Print ) {
1.34 noro 12078: fprintf(asir_out,"f4red=%d,gblen=%d",f4red,nd_psn); fflush(asir_out);
1.33 noro 12079: }
12080: f4red++;
1.28 noro 12081: }
12082: }
12083: if ( DP_Print ) {
1.34 noro 12084: fprintf(asir_out,"\nnumber of red=%d,",Nf4_red);
1.28 noro 12085: }
1.30 noro 12086: g = conv_ilist_s(nd_demand,0,indp);
1.28 noro 12087: return g;
12088: }
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