Annotation of OpenXM_contrib2/asir2000/engine/nd.c, Revision 1.167
1.167 ! noro 1: /* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.166 2009/02/03 08:08:01 noro Exp $ */
1.2 noro 2:
1.94 noro 3: #include "nd.h"
1.63 noro 4:
1.131 noro 5: int diag_period = 6;
1.61 noro 6: int (*ndl_compare_function)(UINT *a1,UINT *a2);
1.94 noro 7: int nd_dcomp;
8: NM _nm_free_list;
9: ND _nd_free_list;
10: ND_pairs _ndp_free_list;
1.150 noro 11: NODE nd_hcf;
1.32 noro 12:
1.146 noro 13: static NODE nd_subst;
14: static VL nd_vc;
1.121 noro 15: static int nd_ntrans;
1.117 noro 16: static int nd_nalg;
1.103 noro 17: #if 0
1.74 noro 18: static int ndv_alloc;
1.103 noro 19: #endif
1.87 noro 20: #if 1
1.69 noro 21: static int nd_f4_nsp=0x7fffffff;
1.87 noro 22: #else
23: static int nd_f4_nsp=50;
24: #endif
1.42 noro 25: static double nd_scale=2;
1.61 noro 26: static UINT **nd_bound;
1.42 noro 27: static struct order_spec *nd_ord;
28: static EPOS nd_epos;
1.43 noro 29: static BlockMask nd_blockmask;
1.42 noro 30: static int nd_nvar;
31: static int nd_isrlex;
32: static int nd_epw,nd_bpe,nd_wpd,nd_exporigin;
1.61 noro 33: static UINT nd_mask[32];
34: static UINT nd_mask0,nd_mask1;
1.42 noro 35:
1.20 noro 36: static NDV *nd_ps;
1.53 noro 37: static NDV *nd_ps_trace;
1.42 noro 38: static RHist *nd_psh;
39: static int nd_psn,nd_pslen;
40: static RHist *nd_red;
1.96 noro 41: static int *nd_work_vector;
42: static int **nd_matrix;
43: static int nd_matrix_len;
1.97 noro 44: static struct weight_or_block *nd_worb;
45: static int nd_worb_len;
1.42 noro 46: static int nd_found,nd_create,nd_notfirst;
47: static int nmv_adv;
1.77 noro 48: static int nd_demand;
1.160 noro 49: static int nd_module,nd_ispot,nd_mpos;
1.167 ! noro 50: static NODE nd_tracelist;
! 51: static NODE nd_alltracelist;
1.1 noro 52:
1.119 noro 53: NumberField get_numberfield();
1.114 noro 54: UINT *nd_det_compute_bound(NDV **dm,int n,int j);
55: void nd_det_reconstruct(NDV **dm,int n,int j,NDV d);
1.152 ohara 56: void nd_heu_nezgcdnpz(VL vl,P *pl,int m,int full,P *pr);
1.118 noro 57: int nd_monic(int m,ND *p);
1.129 noro 58: NDV plain_vect_to_ndv_q(Q *mat,int col,UINT *s0vect);
1.157 noro 59: LIST ndvtopl(int mod,VL vl,VL dvl,NDV p,int rank);
60: NDV pltondv(VL vl,VL dvl,LIST p);
61: void pltozpl(LIST l,Q *cont,LIST *pp);
1.159 noro 62: void ndl_max(UINT *d1,unsigned *d2,UINT *d);
63: pointer GC_malloc_atomic_ignore_off_page(int);
1.167 ! noro 64: void nmtodp(int mod,NM m,DP *r);
! 65: NODE reverse_node(NODE n);
! 66: P ndc_div(int mod,union oNDC a,union oNDC b);
! 67: P ndctop(int mod,union oNDC c);
! 68: void finalize_tracelist(int i,P cont);
! 69: void conv_ilist(int demand,int trace,NODE g,int **indp);
1.114 noro 70:
1.149 noro 71: extern int Denominator,DP_Multiple;
72:
1.1 noro 73: void nd_free_private_storage()
74: {
1.157 noro 75: _nm_free_list = 0;
76: _ndp_free_list = 0;
1.71 noro 77: #if 0
1.157 noro 78: GC_gcollect();
1.71 noro 79: #endif
1.1 noro 80: }
81:
82: void _NM_alloc()
83: {
1.157 noro 84: NM p;
85: int i;
1.1 noro 86:
1.157 noro 87: for ( i = 0; i < 1024; i++ ) {
88: p = (NM)GC_malloc(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
89: p->next = _nm_free_list; _nm_free_list = p;
90: }
1.1 noro 91: }
92:
93: void _ND_alloc()
94: {
1.157 noro 95: ND p;
96: int i;
1.1 noro 97:
1.157 noro 98: for ( i = 0; i < 1024; i++ ) {
99: p = (ND)GC_malloc(sizeof(struct oND));
100: p->body = (NM)_nd_free_list; _nd_free_list = p;
101: }
1.1 noro 102: }
103:
104: void _NDP_alloc()
105: {
1.157 noro 106: ND_pairs p;
107: int i;
1.1 noro 108:
1.157 noro 109: for ( i = 0; i < 1024; i++ ) {
110: p = (ND_pairs)GC_malloc(sizeof(struct oND_pairs)
111: +(nd_wpd-1)*sizeof(UINT));
112: p->next = _ndp_free_list; _ndp_free_list = p;
113: }
1.1 noro 114: }
115:
1.30 noro 116: INLINE int nd_length(ND p)
1.1 noro 117: {
1.157 noro 118: NM m;
119: int i;
1.1 noro 120:
1.157 noro 121: if ( !p )
122: return 0;
123: else {
124: for ( i = 0, m = BDY(p); m; m = NEXT(m), i++ );
125: return i;
126: }
1.1 noro 127: }
128:
1.61 noro 129: INLINE int ndl_reducible(UINT *d1,UINT *d2)
1.1 noro 130: {
1.157 noro 131: UINT u1,u2;
132: int i,j;
1.1 noro 133:
1.157 noro 134: if ( nd_module && (MPOS(d1) != MPOS(d2)) ) return 0;
135:
136: if ( TD(d1) < TD(d2) ) return 0;
1.65 noro 137: #if USE_UNROLL
1.157 noro 138: switch ( nd_bpe ) {
139: case 3:
140: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
141: u1 = d1[i]; u2 = d2[i];
142: if ( (u1&0x38000000) < (u2&0x38000000) ) return 0;
143: if ( (u1& 0x7000000) < (u2& 0x7000000) ) return 0;
144: if ( (u1& 0xe00000) < (u2& 0xe00000) ) return 0;
145: if ( (u1& 0x1c0000) < (u2& 0x1c0000) ) return 0;
146: if ( (u1& 0x38000) < (u2& 0x38000) ) return 0;
147: if ( (u1& 0x7000) < (u2& 0x7000) ) return 0;
148: if ( (u1& 0xe00) < (u2& 0xe00) ) return 0;
149: if ( (u1& 0x1c0) < (u2& 0x1c0) ) return 0;
150: if ( (u1& 0x38) < (u2& 0x38) ) return 0;
151: if ( (u1& 0x7) < (u2& 0x7) ) return 0;
152: }
153: return 1;
154: break;
155: case 4:
156: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
157: u1 = d1[i]; u2 = d2[i];
158: if ( (u1&0xf0000000) < (u2&0xf0000000) ) return 0;
159: if ( (u1& 0xf000000) < (u2& 0xf000000) ) return 0;
160: if ( (u1& 0xf00000) < (u2& 0xf00000) ) return 0;
161: if ( (u1& 0xf0000) < (u2& 0xf0000) ) return 0;
162: if ( (u1& 0xf000) < (u2& 0xf000) ) return 0;
163: if ( (u1& 0xf00) < (u2& 0xf00) ) return 0;
164: if ( (u1& 0xf0) < (u2& 0xf0) ) return 0;
165: if ( (u1& 0xf) < (u2& 0xf) ) return 0;
166: }
167: return 1;
168: break;
169: case 6:
170: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
171: u1 = d1[i]; u2 = d2[i];
172: if ( (u1&0x3f000000) < (u2&0x3f000000) ) return 0;
173: if ( (u1& 0xfc0000) < (u2& 0xfc0000) ) return 0;
174: if ( (u1& 0x3f000) < (u2& 0x3f000) ) return 0;
175: if ( (u1& 0xfc0) < (u2& 0xfc0) ) return 0;
176: if ( (u1& 0x3f) < (u2& 0x3f) ) return 0;
177: }
178: return 1;
179: break;
180: case 8:
181: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
182: u1 = d1[i]; u2 = d2[i];
183: if ( (u1&0xff000000) < (u2&0xff000000) ) return 0;
184: if ( (u1& 0xff0000) < (u2& 0xff0000) ) return 0;
185: if ( (u1& 0xff00) < (u2& 0xff00) ) return 0;
186: if ( (u1& 0xff) < (u2& 0xff) ) return 0;
187: }
188: return 1;
189: break;
190: case 16:
191: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
192: u1 = d1[i]; u2 = d2[i];
193: if ( (u1&0xffff0000) < (u2&0xffff0000) ) return 0;
194: if ( (u1& 0xffff) < (u2& 0xffff) ) return 0;
195: }
196: return 1;
197: break;
198: case 32:
199: for ( i = nd_exporigin; i < nd_wpd; i++ )
200: if ( d1[i] < d2[i] ) return 0;
201: return 1;
202: break;
203: default:
204: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
205: u1 = d1[i]; u2 = d2[i];
206: for ( j = 0; j < nd_epw; j++ )
207: if ( (u1&nd_mask[j]) < (u2&nd_mask[j]) ) return 0;
208: }
209: return 1;
210: }
1.65 noro 211: #else
1.157 noro 212: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
213: u1 = d1[i]; u2 = d2[i];
214: for ( j = 0; j < nd_epw; j++ )
215: if ( (u1&nd_mask[j]) < (u2&nd_mask[j]) ) return 0;
216: }
217: return 1;
1.65 noro 218: #endif
1.1 noro 219: }
220:
1.61 noro 221: /*
222: * If the current order is a block order,
223: * then the last block is length 1 and contains
224: * the homo variable. Otherwise, the original
225: * order is either 0 or 2.
226: */
227:
1.164 noro 228: void ndl_homogenize(UINT *d,UINT *r,int obpe,EPOS oepos,int ompos,int weight)
1.23 noro 229: {
1.157 noro 230: int w,i,e,n,omask0;
1.61 noro 231:
1.157 noro 232: omask0 = obpe==32?0xffffffff:((1<<obpe)-1);
233: n = nd_nvar-1;
234: ndl_zero(r);
235: for ( i = 0; i < n; i++ ) {
236: e = GET_EXP_OLD(d,i);
237: PUT_EXP(r,i,e);
238: }
239: w = TD(d);
240: PUT_EXP(r,nd_nvar-1,weight-w);
1.164 noro 241: if ( nd_module ) MPOS(r) = d[ompos];
1.157 noro 242: TD(r) = weight;
243: if ( nd_blockmask ) ndl_weight_mask(r);
1.61 noro 244: }
245:
246: void ndl_dehomogenize(UINT *d)
247: {
1.157 noro 248: UINT mask;
249: UINT h;
250: int i,bits;
251:
252: if ( nd_blockmask ) {
253: h = GET_EXP(d,nd_nvar-1);
254: XOR_EXP(d,nd_nvar-1,h);
255: TD(d) -= h;
256: ndl_weight_mask(d);
257: } else {
258: if ( nd_isrlex ) {
259: if ( nd_bpe == 32 ) {
260: h = d[nd_exporigin];
261: for ( i = nd_exporigin+1; i < nd_wpd; i++ )
262: d[i-1] = d[i];
263: d[i-1] = 0;
264: TD(d) -= h;
265: } else {
266: bits = nd_epw*nd_bpe;
267: mask = bits==32?0xffffffff:((1<<(nd_epw*nd_bpe))-1);
268: h = (d[nd_exporigin]>>((nd_epw-1)*nd_bpe))&nd_mask0;
269: for ( i = nd_exporigin; i < nd_wpd; i++ )
270: d[i] = ((d[i]<<nd_bpe)&mask)
271: |(i+1<nd_wpd?((d[i+1]>>((nd_epw-1)*nd_bpe))&nd_mask0):0);
272: TD(d) -= h;
273: }
274: } else {
275: h = GET_EXP(d,nd_nvar-1);
276: XOR_EXP(d,nd_nvar-1,h);
277: TD(d) -= h;
278: }
279: }
1.23 noro 280: }
281:
1.61 noro 282: void ndl_lcm(UINT *d1,unsigned *d2,UINT *d)
1.1 noro 283: {
1.157 noro 284: UINT t1,t2,u,u1,u2;
285: int i,j,l;
286:
287: if ( nd_module && (MPOS(d1) != MPOS(d2)) )
288: error("ndl_lcm : inconsistent monomials");
289: #if USE_UNROLL
290: switch ( nd_bpe ) {
291: case 3:
292: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
293: u1 = d1[i]; u2 = d2[i];
294: t1 = (u1&0x38000000); t2 = (u2&0x38000000); u = t1>t2?t1:t2;
295: t1 = (u1& 0x7000000); t2 = (u2& 0x7000000); u |= t1>t2?t1:t2;
296: t1 = (u1& 0xe00000); t2 = (u2& 0xe00000); u |= t1>t2?t1:t2;
297: t1 = (u1& 0x1c0000); t2 = (u2& 0x1c0000); u |= t1>t2?t1:t2;
298: t1 = (u1& 0x38000); t2 = (u2& 0x38000); u |= t1>t2?t1:t2;
299: t1 = (u1& 0x7000); t2 = (u2& 0x7000); u |= t1>t2?t1:t2;
300: t1 = (u1& 0xe00); t2 = (u2& 0xe00); u |= t1>t2?t1:t2;
301: t1 = (u1& 0x1c0); t2 = (u2& 0x1c0); u |= t1>t2?t1:t2;
302: t1 = (u1& 0x38); t2 = (u2& 0x38); u |= t1>t2?t1:t2;
303: t1 = (u1& 0x7); t2 = (u2& 0x7); u |= t1>t2?t1:t2;
304: d[i] = u;
305: }
306: break;
307: case 4:
308: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
309: u1 = d1[i]; u2 = d2[i];
310: t1 = (u1&0xf0000000); t2 = (u2&0xf0000000); u = t1>t2?t1:t2;
311: t1 = (u1& 0xf000000); t2 = (u2& 0xf000000); u |= t1>t2?t1:t2;
312: t1 = (u1& 0xf00000); t2 = (u2& 0xf00000); u |= t1>t2?t1:t2;
313: t1 = (u1& 0xf0000); t2 = (u2& 0xf0000); u |= t1>t2?t1:t2;
314: t1 = (u1& 0xf000); t2 = (u2& 0xf000); u |= t1>t2?t1:t2;
315: t1 = (u1& 0xf00); t2 = (u2& 0xf00); u |= t1>t2?t1:t2;
316: t1 = (u1& 0xf0); t2 = (u2& 0xf0); u |= t1>t2?t1:t2;
317: t1 = (u1& 0xf); t2 = (u2& 0xf); u |= t1>t2?t1:t2;
318: d[i] = u;
319: }
320: break;
321: case 6:
322: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
323: u1 = d1[i]; u2 = d2[i];
324: t1 = (u1&0x3f000000); t2 = (u2&0x3f000000); u = t1>t2?t1:t2;
325: t1 = (u1& 0xfc0000); t2 = (u2& 0xfc0000); u |= t1>t2?t1:t2;
326: t1 = (u1& 0x3f000); t2 = (u2& 0x3f000); u |= t1>t2?t1:t2;
327: t1 = (u1& 0xfc0); t2 = (u2& 0xfc0); u |= t1>t2?t1:t2;
328: t1 = (u1& 0x3f); t2 = (u2& 0x3f); u |= t1>t2?t1:t2;
329: d[i] = u;
330: }
331: break;
332: case 8:
333: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
334: u1 = d1[i]; u2 = d2[i];
335: t1 = (u1&0xff000000); t2 = (u2&0xff000000); u = t1>t2?t1:t2;
336: t1 = (u1& 0xff0000); t2 = (u2& 0xff0000); u |= t1>t2?t1:t2;
337: t1 = (u1& 0xff00); t2 = (u2& 0xff00); u |= t1>t2?t1:t2;
338: t1 = (u1& 0xff); t2 = (u2& 0xff); u |= t1>t2?t1:t2;
339: d[i] = u;
340: }
341: break;
342: case 16:
343: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
344: u1 = d1[i]; u2 = d2[i];
345: t1 = (u1&0xffff0000); t2 = (u2&0xffff0000); u = t1>t2?t1:t2;
346: t1 = (u1& 0xffff); t2 = (u2& 0xffff); u |= t1>t2?t1:t2;
347: d[i] = u;
348: }
349: break;
350: case 32:
351: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
352: u1 = d1[i]; u2 = d2[i];
353: d[i] = u1>u2?u1:u2;
354: }
355: break;
356: default:
357: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
358: u1 = d1[i]; u2 = d2[i];
359: for ( j = 0, u = 0; j < nd_epw; j++ ) {
360: t1 = (u1&nd_mask[j]); t2 = (u2&nd_mask[j]); u |= t1>t2?t1:t2;
361: }
362: d[i] = u;
363: }
364: break;
365: }
366: #else
367: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
368: u1 = d1[i]; u2 = d2[i];
369: for ( j = 0, u = 0; j < nd_epw; j++ ) {
370: t1 = (u1&nd_mask[j]); t2 = (u2&nd_mask[j]); u |= t1>t2?t1:t2;
371: }
372: d[i] = u;
373: }
374: #endif
1.163 noro 375: if ( nd_module ) MPOS(d) = MPOS(d1);
1.157 noro 376: TD(d) = ndl_weight(d);
377: if ( nd_blockmask ) ndl_weight_mask(d);
378: }
379:
1.159 noro 380: void ndl_max(UINT *d1,unsigned *d2,UINT *d)
1.157 noro 381: {
382: UINT t1,t2,u,u1,u2;
383: int i,j,l;
1.1 noro 384:
1.157 noro 385: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
386: u1 = d1[i]; u2 = d2[i];
387: for ( j = 0, u = 0; j < nd_epw; j++ ) {
388: t1 = (u1&nd_mask[j]); t2 = (u2&nd_mask[j]); u |= t1>t2?t1:t2;
389: }
390: d[i] = u;
391: }
1.57 noro 392: }
393:
1.61 noro 394: int ndl_weight(UINT *d)
1.1 noro 395: {
1.157 noro 396: UINT t,u;
397: int i,j;
1.1 noro 398:
1.157 noro 399: if ( current_dl_weight_vector )
400: for ( i = 0, t = 0; i < nd_nvar; i++ ) {
401: u = GET_EXP(d,i);
402: t += MUL_WEIGHT(u,i);
403: }
404: else
405: for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {
406: u = d[i];
407: for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )
408: t += (u&nd_mask0);
409: }
1.167 ! noro 410: if ( nd_module && current_module_weight_vector && MPOS(d) )
! 411: t += current_module_weight_vector[MPOS(d)];
1.157 noro 412: return t;
1.1 noro 413: }
414:
1.61 noro 415: void ndl_weight_mask(UINT *d)
1.43 noro 416: {
1.157 noro 417: UINT t,u;
418: UINT *mask;
419: int i,j,k,l;
420:
421: l = nd_blockmask->n;
422: for ( k = 0; k < l; k++ ) {
423: mask = nd_blockmask->mask[k];
424: if ( current_dl_weight_vector )
425: for ( i = 0, t = 0; i < nd_nvar; i++ ) {
426: u = GET_EXP_MASK(d,i,mask);
427: t += MUL_WEIGHT(u,i);
428: }
429: else
430: for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {
431: u = d[i]&mask[i];
432: for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )
433: t += (u&nd_mask0);
434: }
435: d[k+1] = t;
436: }
1.43 noro 437: }
438:
1.61 noro 439: int ndl_lex_compare(UINT *d1,UINT *d2)
1.1 noro 440: {
1.157 noro 441: int i;
1.1 noro 442:
1.157 noro 443: d1 += nd_exporigin;
444: d2 += nd_exporigin;
445: for ( i = nd_exporigin; i < nd_wpd; i++, d1++, d2++ )
446: if ( *d1 > *d2 )
447: return nd_isrlex ? -1 : 1;
448: else if ( *d1 < *d2 )
449: return nd_isrlex ? 1 : -1;
450: return 0;
1.1 noro 451: }
452:
1.61 noro 453: int ndl_block_compare(UINT *d1,UINT *d2)
1.43 noro 454: {
1.157 noro 455: int i,l,j,ord_o,ord_l;
456: struct order_pair *op;
457: UINT t1,t2,m;
458: UINT *mask;
459:
460: l = nd_blockmask->n;
461: op = nd_blockmask->order_pair;
462: for ( j = 0; j < l; j++ ) {
463: mask = nd_blockmask->mask[j];
464: ord_o = op[j].order;
465: if ( ord_o < 2 )
466: if ( (t1=d1[j+1]) > (t2=d2[j+1]) ) return 1;
467: else if ( t1 < t2 ) return -1;
468: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
469: m = mask[i];
470: t1 = d1[i]&m;
471: t2 = d2[i]&m;
472: if ( t1 > t2 )
473: return !ord_o ? -1 : 1;
474: else if ( t1 < t2 )
475: return !ord_o ? 1 : -1;
476: }
477: }
478: return 0;
1.43 noro 479: }
480:
1.96 noro 481: int ndl_matrix_compare(UINT *d1,UINT *d2)
482: {
1.157 noro 483: int i,j,s;
484: int *v;
1.96 noro 485:
1.157 noro 486: for ( j = 0; j < nd_nvar; j++ )
487: nd_work_vector[j] = GET_EXP(d1,j)-GET_EXP(d2,j);
488: for ( i = 0; i < nd_matrix_len; i++ ) {
489: v = nd_matrix[i];
490: for ( j = 0, s = 0; j < nd_nvar; j++ )
491: s += v[j]*nd_work_vector[j];
492: if ( s > 0 ) return 1;
493: else if ( s < 0 ) return -1;
494: }
495: return 0;
1.96 noro 496: }
497:
1.97 noro 498: int ndl_composite_compare(UINT *d1,UINT *d2)
499: {
1.157 noro 500: int i,j,s,start,end,len,o;
501: int *v;
502: struct sparse_weight *sw;
503:
504: for ( j = 0; j < nd_nvar; j++ )
505: nd_work_vector[j] = GET_EXP(d1,j)-GET_EXP(d2,j);
506: for ( i = 0; i < nd_worb_len; i++ ) {
507: len = nd_worb[i].length;
508: switch ( nd_worb[i].type ) {
509: case IS_DENSE_WEIGHT:
510: v = nd_worb[i].body.dense_weight;
511: for ( j = 0, s = 0; j < len; j++ )
512: s += v[j]*nd_work_vector[j];
513: if ( s > 0 ) return 1;
514: else if ( s < 0 ) return -1;
515: break;
516: case IS_SPARSE_WEIGHT:
517: sw = nd_worb[i].body.sparse_weight;
518: for ( j = 0, s = 0; j < len; j++ )
519: s += sw[j].value*nd_work_vector[sw[j].pos];
520: if ( s > 0 ) return 1;
521: else if ( s < 0 ) return -1;
522: break;
523: case IS_BLOCK:
524: o = nd_worb[i].body.block.order;
525: start = nd_worb[i].body.block.start;
526: switch ( o ) {
527: case 0:
528: end = start+len;
529: for ( j = start, s = 0; j < end; j++ )
530: s += MUL_WEIGHT(nd_work_vector[j],j);
531: if ( s > 0 ) return 1;
532: else if ( s < 0 ) return -1;
533: for ( j = end-1; j >= start; j-- )
534: if ( nd_work_vector[j] < 0 ) return 1;
535: else if ( nd_work_vector[j] > 0 ) return -1;
536: break;
537: case 1:
538: end = start+len;
539: for ( j = start, s = 0; j < end; j++ )
540: s += MUL_WEIGHT(nd_work_vector[j],j);
541: if ( s > 0 ) return 1;
542: else if ( s < 0 ) return -1;
543: for ( j = start; j < end; j++ )
544: if ( nd_work_vector[j] > 0 ) return 1;
545: else if ( nd_work_vector[j] < 0 ) return -1;
546: break;
547: case 2:
548: for ( j = start; j < end; j++ )
549: if ( nd_work_vector[j] > 0 ) return 1;
550: else if ( nd_work_vector[j] < 0 ) return -1;
551: break;
552: }
553: break;
554: }
555: }
556: return 0;
1.97 noro 557: }
558:
1.58 noro 559: /* TDH -> WW -> TD-> RL */
560:
1.61 noro 561: int ndl_ww_lex_compare(UINT *d1,UINT *d2)
1.58 noro 562: {
1.157 noro 563: int i,m,e1,e2;
1.58 noro 564:
1.157 noro 565: if ( TD(d1) > TD(d2) ) return 1;
566: else if ( TD(d1) < TD(d2) ) return -1;
567: m = nd_nvar>>1;
568: for ( i = 0, e1 = e2 = 0; i < m; i++ ) {
569: e1 += current_weyl_weight_vector[i]*(GET_EXP(d1,m+i)-GET_EXP(d1,i));
570: e2 += current_weyl_weight_vector[i]*(GET_EXP(d2,m+i)-GET_EXP(d2,i));
571: }
572: if ( e1 > e2 ) return 1;
573: else if ( e1 < e2 ) return -1;
574: return ndl_lex_compare(d1,d2);
575: }
576:
577: int ndl_module_grlex_compare(UINT *d1,UINT *d2)
578: {
1.164 noro 579: int i,c;
1.157 noro 580:
1.160 noro 581: if ( nd_ispot ) {
1.157 noro 582: if ( MPOS(d1) < MPOS(d2) ) return 1;
583: else if ( MPOS(d1) > MPOS(d2) ) return -1;
584: }
585: if ( TD(d1) > TD(d2) ) return 1;
586: else if ( TD(d1) < TD(d2) ) return -1;
1.167 ! noro 587: if ( c = ndl_lex_compare(d1,d2) ) return c;
1.160 noro 588: if ( !nd_ispot ) {
1.157 noro 589: if ( MPOS(d1) < MPOS(d2) ) return 1;
590: else if ( MPOS(d1) > MPOS(d2) ) return -1;
591: }
592: return 0;
593: }
594:
595: int ndl_module_glex_compare(UINT *d1,UINT *d2)
596: {
1.164 noro 597: int i,c;
1.157 noro 598:
1.160 noro 599: if ( nd_ispot ) {
1.157 noro 600: if ( MPOS(d1) < MPOS(d2) ) return 1;
601: else if ( MPOS(d1) > MPOS(d2) ) return -1;
602: }
603: if ( TD(d1) > TD(d2) ) return 1;
604: else if ( TD(d1) < TD(d2) ) return -1;
1.167 ! noro 605: if ( c = ndl_lex_compare(d1,d2) ) return c;
1.160 noro 606: if ( !nd_ispot ) {
1.157 noro 607: if ( MPOS(d1) < MPOS(d2) ) return 1;
608: else if ( MPOS(d1) > MPOS(d2) ) return -1;
609: }
610: return 0;
611: }
612:
613: int ndl_module_lex_compare(UINT *d1,UINT *d2)
614: {
1.164 noro 615: int i,c;
1.157 noro 616:
1.160 noro 617: if ( nd_ispot ) {
1.157 noro 618: if ( MPOS(d1) < MPOS(d2) ) return 1;
619: else if ( MPOS(d1) > MPOS(d2) ) return -1;
620: }
1.167 ! noro 621: if ( c = ndl_lex_compare(d1,d2) ) return c;
1.160 noro 622: if ( !nd_ispot ) {
1.157 noro 623: if ( MPOS(d1) < MPOS(d2) ) return 1;
624: else if ( MPOS(d1) > MPOS(d2) ) return -1;
625: }
626: return 0;
627: }
628:
629: int ndl_module_block_compare(UINT *d1,UINT *d2)
630: {
631: int i,c;
632:
1.160 noro 633: if ( nd_ispot ) {
1.157 noro 634: if ( MPOS(d1) < MPOS(d2) ) return 1;
635: else if ( MPOS(d1) > MPOS(d2) ) return -1;
636: }
637: if ( c = ndl_block_compare(d1,d2) ) return c;
1.160 noro 638: if ( !nd_ispot ) {
1.157 noro 639: if ( MPOS(d1) < MPOS(d2) ) return 1;
640: else if ( MPOS(d1) > MPOS(d2) ) return -1;
641: }
642: return 0;
643: }
644:
645: int ndl_module_matrix_compare(UINT *d1,UINT *d2)
646: {
647: int i,c;
648:
1.160 noro 649: if ( nd_ispot ) {
1.157 noro 650: if ( MPOS(d1) < MPOS(d2) ) return 1;
651: else if ( MPOS(d1) > MPOS(d2) ) return -1;
652: }
653: if ( c = ndl_matrix_compare(d1,d2) ) return c;
1.160 noro 654: if ( !nd_ispot ) {
1.157 noro 655: if ( MPOS(d1) < MPOS(d2) ) return 1;
656: else if ( MPOS(d1) > MPOS(d2) ) return -1;
657: }
658: return 0;
659: }
660:
661: int ndl_module_composite_compare(UINT *d1,UINT *d2)
662: {
663: int i,c;
664:
1.160 noro 665: if ( nd_ispot ) {
1.157 noro 666: if ( MPOS(d1) > MPOS(d2) ) return 1;
667: else if ( MPOS(d1) < MPOS(d2) ) return -1;
668: }
669: if ( c = ndl_composite_compare(d1,d2) ) return c;
1.160 noro 670: if ( !nd_ispot ) {
1.157 noro 671: if ( MPOS(d1) > MPOS(d2) ) return 1;
672: else if ( MPOS(d1) < MPOS(d2) ) return -1;
673: }
674: return 0;
1.58 noro 675: }
676:
1.61 noro 677: INLINE int ndl_equal(UINT *d1,UINT *d2)
1.1 noro 678: {
1.157 noro 679: int i;
1.1 noro 680:
1.157 noro 681: switch ( nd_wpd ) {
682: case 2:
683: if ( TD(d2) != TD(d1) ) return 0;
684: if ( d2[1] != d1[1] ) return 0;
685: return 1;
686: break;
687: case 3:
688: if ( TD(d2) != TD(d1) ) return 0;
689: if ( d2[1] != d1[1] ) return 0;
690: if ( d2[2] != d1[2] ) return 0;
691: return 1;
692: break;
693: default:
694: for ( i = 0; i < nd_wpd; i++ )
695: if ( *d1++ != *d2++ ) return 0;
696: return 1;
697: break;
698: }
1.1 noro 699: }
700:
1.61 noro 701: INLINE void ndl_copy(UINT *d1,UINT *d2)
1.6 noro 702: {
1.157 noro 703: int i;
1.6 noro 704:
1.157 noro 705: switch ( nd_wpd ) {
706: case 2:
707: TD(d2) = TD(d1);
708: d2[1] = d1[1];
709: break;
710: case 3:
711: TD(d2) = TD(d1);
712: d2[1] = d1[1];
713: d2[2] = d1[2];
714: break;
715: default:
716: for ( i = 0; i < nd_wpd; i++ )
717: d2[i] = d1[i];
718: break;
719: }
1.6 noro 720: }
721:
1.61 noro 722: INLINE void ndl_zero(UINT *d)
723: {
1.157 noro 724: int i;
725: for ( i = 0; i < nd_wpd; i++ ) d[i] = 0;
1.61 noro 726: }
727:
728: INLINE void ndl_add(UINT *d1,UINT *d2,UINT *d)
1.1 noro 729: {
1.157 noro 730: int i;
1.1 noro 731:
1.162 noro 732: if ( nd_module ) {
733: if ( MPOS(d1) && MPOS(d2) && (MPOS(d1) != MPOS(d2)) )
1.167 ! noro 734: error("ndl_add : invalid operation");
1.162 noro 735: }
1.43 noro 736: #if 1
1.157 noro 737: switch ( nd_wpd ) {
738: case 2:
739: TD(d) = TD(d1)+TD(d2);
740: d[1] = d1[1]+d2[1];
741: break;
742: case 3:
743: TD(d) = TD(d1)+TD(d2);
744: d[1] = d1[1]+d2[1];
745: d[2] = d1[2]+d2[2];
746: break;
747: default:
748: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]+d2[i];
749: break;
750: }
1.43 noro 751: #else
1.157 noro 752: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]+d2[i];
1.43 noro 753: #endif
1.6 noro 754: }
755:
1.55 noro 756: /* d1 += d2 */
1.61 noro 757: INLINE void ndl_addto(UINT *d1,UINT *d2)
1.55 noro 758: {
1.157 noro 759: int i;
1.55 noro 760:
1.162 noro 761: if ( nd_module ) {
762: if ( MPOS(d1) && MPOS(d2) && (MPOS(d1) != MPOS(d2)) )
763: error("ndl_addto : invalid operation");
764: }
1.55 noro 765: #if 1
1.157 noro 766: switch ( nd_wpd ) {
767: case 2:
768: TD(d1) += TD(d2);
769: d1[1] += d2[1];
770: break;
771: case 3:
772: TD(d1) += TD(d2);
773: d1[1] += d2[1];
774: d1[2] += d2[2];
775: break;
776: default:
777: for ( i = 0; i < nd_wpd; i++ ) d1[i] += d2[i];
778: break;
779: }
1.55 noro 780: #else
1.157 noro 781: for ( i = 0; i < nd_wpd; i++ ) d1[i] += d2[i];
1.55 noro 782: #endif
783: }
784:
1.61 noro 785: INLINE void ndl_sub(UINT *d1,UINT *d2,UINT *d)
1.6 noro 786: {
1.157 noro 787: int i;
1.6 noro 788:
1.157 noro 789: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]-d2[i];
1.1 noro 790: }
791:
1.61 noro 792: int ndl_disjoint(UINT *d1,UINT *d2)
1.1 noro 793: {
1.157 noro 794: UINT t1,t2,u,u1,u2;
795: int i,j;
1.1 noro 796:
1.157 noro 797: if ( nd_module && (MPOS(d1) == MPOS(d2)) ) return 0;
1.65 noro 798: #if USE_UNROLL
1.157 noro 799: switch ( nd_bpe ) {
800: case 3:
801: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
802: u1 = d1[i]; u2 = d2[i];
803: t1 = u1&0x38000000; t2 = u2&0x38000000; if ( t1&&t2 ) return 0;
804: t1 = u1& 0x7000000; t2 = u2& 0x7000000; if ( t1&&t2 ) return 0;
805: t1 = u1& 0xe00000; t2 = u2& 0xe00000; if ( t1&&t2 ) return 0;
806: t1 = u1& 0x1c0000; t2 = u2& 0x1c0000; if ( t1&&t2 ) return 0;
807: t1 = u1& 0x38000; t2 = u2& 0x38000; if ( t1&&t2 ) return 0;
808: t1 = u1& 0x7000; t2 = u2& 0x7000; if ( t1&&t2 ) return 0;
809: t1 = u1& 0xe00; t2 = u2& 0xe00; if ( t1&&t2 ) return 0;
810: t1 = u1& 0x1c0; t2 = u2& 0x1c0; if ( t1&&t2 ) return 0;
811: t1 = u1& 0x38; t2 = u2& 0x38; if ( t1&&t2 ) return 0;
812: t1 = u1& 0x7; t2 = u2& 0x7; if ( t1&&t2 ) return 0;
813: }
814: return 1;
815: break;
816: case 4:
817: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
818: u1 = d1[i]; u2 = d2[i];
819: t1 = u1&0xf0000000; t2 = u2&0xf0000000; if ( t1&&t2 ) return 0;
820: t1 = u1& 0xf000000; t2 = u2& 0xf000000; if ( t1&&t2 ) return 0;
821: t1 = u1& 0xf00000; t2 = u2& 0xf00000; if ( t1&&t2 ) return 0;
822: t1 = u1& 0xf0000; t2 = u2& 0xf0000; if ( t1&&t2 ) return 0;
823: t1 = u1& 0xf000; t2 = u2& 0xf000; if ( t1&&t2 ) return 0;
824: t1 = u1& 0xf00; t2 = u2& 0xf00; if ( t1&&t2 ) return 0;
825: t1 = u1& 0xf0; t2 = u2& 0xf0; if ( t1&&t2 ) return 0;
826: t1 = u1& 0xf; t2 = u2& 0xf; if ( t1&&t2 ) return 0;
827: }
828: return 1;
829: break;
830: case 6:
831: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
832: u1 = d1[i]; u2 = d2[i];
833: t1 = u1&0x3f000000; t2 = u2&0x3f000000; if ( t1&&t2 ) return 0;
834: t1 = u1& 0xfc0000; t2 = u2& 0xfc0000; if ( t1&&t2 ) return 0;
835: t1 = u1& 0x3f000; t2 = u2& 0x3f000; if ( t1&&t2 ) return 0;
836: t1 = u1& 0xfc0; t2 = u2& 0xfc0; if ( t1&&t2 ) return 0;
837: t1 = u1& 0x3f; t2 = u2& 0x3f; if ( t1&&t2 ) return 0;
838: }
839: return 1;
840: break;
841: case 8:
842: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
843: u1 = d1[i]; u2 = d2[i];
844: t1 = u1&0xff000000; t2 = u2&0xff000000; if ( t1&&t2 ) return 0;
845: t1 = u1& 0xff0000; t2 = u2& 0xff0000; if ( t1&&t2 ) return 0;
846: t1 = u1& 0xff00; t2 = u2& 0xff00; if ( t1&&t2 ) return 0;
847: t1 = u1& 0xff; t2 = u2& 0xff; if ( t1&&t2 ) return 0;
848: }
849: return 1;
850: break;
851: case 16:
852: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
853: u1 = d1[i]; u2 = d2[i];
854: t1 = u1&0xffff0000; t2 = u2&0xffff0000; if ( t1&&t2 ) return 0;
855: t1 = u1& 0xffff; t2 = u2& 0xffff; if ( t1&&t2 ) return 0;
856: }
857: return 1;
858: break;
859: case 32:
860: for ( i = nd_exporigin; i < nd_wpd; i++ )
861: if ( d1[i] && d2[i] ) return 0;
862: return 1;
863: break;
864: default:
865: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
866: u1 = d1[i]; u2 = d2[i];
867: for ( j = 0; j < nd_epw; j++ ) {
868: if ( (u1&nd_mask0) && (u2&nd_mask0) ) return 0;
869: u1 >>= nd_bpe; u2 >>= nd_bpe;
870: }
871: }
872: return 1;
873: break;
874: }
1.65 noro 875: #else
1.157 noro 876: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
877: u1 = d1[i]; u2 = d2[i];
878: for ( j = 0; j < nd_epw; j++ ) {
879: if ( (u1&nd_mask0) && (u2&nd_mask0) ) return 0;
880: u1 >>= nd_bpe; u2 >>= nd_bpe;
881: }
882: }
883: return 1;
1.65 noro 884: #endif
1.1 noro 885: }
886:
1.114 noro 887: int ndl_check_bound(UINT *d1,UINT *d2)
1.1 noro 888: {
1.157 noro 889: UINT u2;
890: int i,j,ind,k;
1.1 noro 891:
1.157 noro 892: ind = 0;
1.65 noro 893: #if USE_UNROLL
1.157 noro 894: switch ( nd_bpe ) {
895: case 3:
896: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
897: u2 = d2[i];
898: if ( d1[ind++]+((u2>>27)&0x7) >= 0x8 ) return 1;
899: if ( d1[ind++]+((u2>>24)&0x7) >= 0x8 ) return 1;
900: if ( d1[ind++]+((u2>>21)&0x7) >= 0x8 ) return 1;
901: if ( d1[ind++]+((u2>>18)&0x7) >= 0x8 ) return 1;
902: if ( d1[ind++]+((u2>>15)&0x7) >= 0x8 ) return 1;
903: if ( d1[ind++]+((u2>>12)&0x7) >= 0x8 ) return 1;
904: if ( d1[ind++]+((u2>>9)&0x7) >= 0x8 ) return 1;
905: if ( d1[ind++]+((u2>>6)&0x7) >= 0x8 ) return 1;
906: if ( d1[ind++]+((u2>>3)&0x7) >= 0x8 ) return 1;
907: if ( d1[ind++]+(u2&0x7) >= 0x8 ) return 1;
908: }
909: return 0;
910: break;
911: case 4:
912: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
913: u2 = d2[i];
914: if ( d1[ind++]+((u2>>28)&0xf) >= 0x10 ) return 1;
915: if ( d1[ind++]+((u2>>24)&0xf) >= 0x10 ) return 1;
916: if ( d1[ind++]+((u2>>20)&0xf) >= 0x10 ) return 1;
917: if ( d1[ind++]+((u2>>16)&0xf) >= 0x10 ) return 1;
918: if ( d1[ind++]+((u2>>12)&0xf) >= 0x10 ) return 1;
919: if ( d1[ind++]+((u2>>8)&0xf) >= 0x10 ) return 1;
920: if ( d1[ind++]+((u2>>4)&0xf) >= 0x10 ) return 1;
921: if ( d1[ind++]+(u2&0xf) >= 0x10 ) return 1;
922: }
923: return 0;
924: break;
925: case 6:
926: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
927: u2 = d2[i];
928: if ( d1[ind++]+((u2>>24)&0x3f) >= 0x40 ) return 1;
929: if ( d1[ind++]+((u2>>18)&0x3f) >= 0x40 ) return 1;
930: if ( d1[ind++]+((u2>>12)&0x3f) >= 0x40 ) return 1;
931: if ( d1[ind++]+((u2>>6)&0x3f) >= 0x40 ) return 1;
932: if ( d1[ind++]+(u2&0x3f) >= 0x40 ) return 1;
933: }
934: return 0;
935: break;
936: case 8:
937: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
938: u2 = d2[i];
939: if ( d1[ind++]+((u2>>24)&0xff) >= 0x100 ) return 1;
940: if ( d1[ind++]+((u2>>16)&0xff) >= 0x100 ) return 1;
941: if ( d1[ind++]+((u2>>8)&0xff) >= 0x100 ) return 1;
942: if ( d1[ind++]+(u2&0xff) >= 0x100 ) return 1;
943: }
944: return 0;
945: break;
946: case 16:
947: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
948: u2 = d2[i];
949: if ( d1[ind++]+((u2>>16)&0xffff) > 0x10000 ) return 1;
950: if ( d1[ind++]+(u2&0xffff) > 0x10000 ) return 1;
951: }
952: return 0;
953: break;
954: case 32:
955: for ( i = nd_exporigin; i < nd_wpd; i++ )
956: if ( d1[i]+d2[i]<d1[i] ) return 1;
957: return 0;
958: break;
959: default:
960: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
961: u2 = d2[i];
962: k = (nd_epw-1)*nd_bpe;
963: for ( j = 0; j < nd_epw; j++, k -= nd_bpe )
964: if ( d1[ind++]+((u2>>k)&nd_mask0) > nd_mask0 ) return 1;
965: }
966: return 0;
967: break;
968: }
1.65 noro 969: #else
1.157 noro 970: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
971: u2 = d2[i];
972: k = (nd_epw-1)*nd_bpe;
973: for ( j = 0; j < nd_epw; j++, k -= nd_bpe )
974: if ( d1[ind++]+((u2>>k)&nd_mask0) > nd_mask0 ) return 1;
975: }
976: return 0;
1.65 noro 977: #endif
1.1 noro 978: }
979:
1.114 noro 980: int ndl_check_bound2(int index,UINT *d2)
981: {
1.157 noro 982: return ndl_check_bound(nd_bound[index],d2);
1.114 noro 983: }
984:
1.61 noro 985: INLINE int ndl_hash_value(UINT *d)
1.1 noro 986: {
1.157 noro 987: int i;
988: int r;
1.1 noro 989:
1.157 noro 990: r = 0;
991: for ( i = 0; i < nd_wpd; i++ )
992: r = ((r<<16)+d[i])%REDTAB_LEN;
993: return r;
1.1 noro 994: }
995:
1.63 noro 996: INLINE int ndl_find_reducer(UINT *dg)
1.1 noro 997: {
1.157 noro 998: RHist r;
999: int d,k,i;
1.1 noro 1000:
1.157 noro 1001: d = ndl_hash_value(dg);
1002: for ( r = nd_red[d], k = 0; r; r = NEXT(r), k++ ) {
1003: if ( ndl_equal(dg,DL(r)) ) {
1004: if ( k > 0 ) nd_notfirst++;
1005: nd_found++;
1006: return r->index;
1007: }
1008: }
1009: if ( Reverse )
1010: for ( i = nd_psn-1; i >= 0; i-- ) {
1011: r = nd_psh[i];
1012: if ( ndl_reducible(dg,DL(r)) ) {
1013: nd_create++;
1014: nd_append_red(dg,i);
1015: return i;
1016: }
1017: }
1018: else
1019: for ( i = 0; i < nd_psn; i++ ) {
1020: r = nd_psh[i];
1021: if ( ndl_reducible(dg,DL(r)) ) {
1022: nd_create++;
1023: nd_append_red(dg,i);
1024: return i;
1025: }
1026: }
1027: return -1;
1.1 noro 1028: }
1029:
1.63 noro 1030: ND nd_merge(ND p1,ND p2)
1031: {
1.157 noro 1032: int n,c;
1033: int t,can,td1,td2;
1034: ND r;
1035: NM m1,m2,mr0,mr,s;
1036:
1037: if ( !p1 ) return p2;
1038: else if ( !p2 ) return p1;
1039: else {
1040: can = 0;
1041: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1042: c = DL_COMPARE(DL(m1),DL(m2));
1043: switch ( c ) {
1044: case 0:
1045: s = m1; m1 = NEXT(m1);
1046: can++; NEXTNM2(mr0,mr,s);
1047: s = m2; m2 = NEXT(m2); FREENM(s);
1048: break;
1049: case 1:
1050: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1051: break;
1052: case -1:
1053: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1054: break;
1055: }
1056: }
1057: if ( !mr0 )
1058: if ( m1 ) mr0 = m1;
1059: else if ( m2 ) mr0 = m2;
1060: else return 0;
1061: else if ( m1 ) NEXT(mr) = m1;
1062: else if ( m2 ) NEXT(mr) = m2;
1063: else NEXT(mr) = 0;
1064: BDY(p1) = mr0;
1065: SG(p1) = MAX(SG(p1),SG(p2));
1066: LEN(p1) = LEN(p1)+LEN(p2)-can;
1067: FREEND(p2);
1068: return p1;
1069: }
1.63 noro 1070: }
1071:
1.31 noro 1072: ND nd_add(int mod,ND p1,ND p2)
1.1 noro 1073: {
1.157 noro 1074: int n,c;
1075: int t,can,td1,td2;
1076: ND r;
1077: NM m1,m2,mr0,mr,s;
1078:
1079: if ( !p1 ) return p2;
1080: else if ( !p2 ) return p1;
1081: else if ( mod == -1 ) return nd_add_sf(p1,p2);
1082: else if ( !mod ) return nd_add_q(p1,p2);
1083: else {
1084: can = 0;
1085: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1086: c = DL_COMPARE(DL(m1),DL(m2));
1087: switch ( c ) {
1088: case 0:
1089: t = ((CM(m1))+(CM(m2))) - mod;
1090: if ( t < 0 ) t += mod;
1091: s = m1; m1 = NEXT(m1);
1092: if ( t ) {
1093: can++; NEXTNM2(mr0,mr,s); CM(mr) = (t);
1094: } else {
1095: can += 2; FREENM(s);
1096: }
1097: s = m2; m2 = NEXT(m2); FREENM(s);
1098: break;
1099: case 1:
1100: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1101: break;
1102: case -1:
1103: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1104: break;
1105: }
1106: }
1107: if ( !mr0 )
1108: if ( m1 ) mr0 = m1;
1109: else if ( m2 ) mr0 = m2;
1110: else return 0;
1111: else if ( m1 ) NEXT(mr) = m1;
1112: else if ( m2 ) NEXT(mr) = m2;
1113: else NEXT(mr) = 0;
1114: BDY(p1) = mr0;
1115: SG(p1) = MAX(SG(p1),SG(p2));
1116: LEN(p1) = LEN(p1)+LEN(p2)-can;
1117: FREEND(p2);
1118: return p1;
1119: }
1.95 noro 1120: }
1121:
1122: /* XXX on opteron, the inlined manipulation of destructive additon of
1123: * two NM seems to make gcc optimizer get confused, so the part is
1124: * done in a function.
1125: */
1126:
1.113 noro 1127: int nm_destructive_add_q(NM *m1,NM *m2,NM *mr0,NM *mr)
1.95 noro 1128: {
1.157 noro 1129: NM s;
1130: P t;
1131: int can;
1132:
1133: addp(nd_vc,CP(*m1),CP(*m2),&t);
1134: s = *m1; *m1 = NEXT(*m1);
1135: if ( t ) {
1136: can = 1; NEXTNM2(*mr0,*mr,s); CP(*mr) = (t);
1137: } else {
1138: can = 2; FREENM(s);
1139: }
1140: s = *m2; *m2 = NEXT(*m2); FREENM(s);
1141: return can;
1.95 noro 1142: }
1143:
1.113 noro 1144: ND nd_add_q(ND p1,ND p2)
1.95 noro 1145: {
1.157 noro 1146: int n,c,can;
1147: ND r;
1148: NM m1,m2,mr0,mr,s;
1149: P t;
1150:
1151: if ( !p1 ) return p2;
1152: else if ( !p2 ) return p1;
1153: else {
1154: can = 0;
1155: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1156: c = DL_COMPARE(DL(m1),DL(m2));
1157: switch ( c ) {
1158: case 0:
1.95 noro 1159: #if defined(__x86_64__)
1.157 noro 1160: can += nm_destructive_add_q(&m1,&m2,&mr0,&mr);
1.95 noro 1161: #else
1.157 noro 1162: addp(nd_vc,CP(m1),CP(m2),&t);
1163: s = m1; m1 = NEXT(m1);
1164: if ( t ) {
1165: can++; NEXTNM2(mr0,mr,s); CP(mr) = (t);
1166: } else {
1167: can += 2; FREENM(s);
1168: }
1169: s = m2; m2 = NEXT(m2); FREENM(s);
1.95 noro 1170: #endif
1.157 noro 1171: break;
1172: case 1:
1173: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1174: break;
1175: case -1:
1176: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1177: break;
1178: }
1179: }
1180: if ( !mr0 )
1181: if ( m1 ) mr0 = m1;
1182: else if ( m2 ) mr0 = m2;
1183: else return 0;
1184: else if ( m1 ) NEXT(mr) = m1;
1185: else if ( m2 ) NEXT(mr) = m2;
1186: else NEXT(mr) = 0;
1187: BDY(p1) = mr0;
1188: SG(p1) = MAX(SG(p1),SG(p2));
1189: LEN(p1) = LEN(p1)+LEN(p2)-can;
1190: FREEND(p2);
1191: return p1;
1192: }
1.17 noro 1193: }
1194:
1.71 noro 1195: ND nd_add_sf(ND p1,ND p2)
1196: {
1.157 noro 1197: int n,c,can;
1198: ND r;
1199: NM m1,m2,mr0,mr,s;
1200: int t;
1201:
1202: if ( !p1 ) return p2;
1203: else if ( !p2 ) return p1;
1204: else {
1205: can = 0;
1206: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1207: c = DL_COMPARE(DL(m1),DL(m2));
1208: switch ( c ) {
1209: case 0:
1210: t = _addsf(CM(m1),CM(m2));
1211: s = m1; m1 = NEXT(m1);
1212: if ( t ) {
1213: can++; NEXTNM2(mr0,mr,s); CM(mr) = (t);
1214: } else {
1215: can += 2; FREENM(s);
1216: }
1217: s = m2; m2 = NEXT(m2); FREENM(s);
1218: break;
1219: case 1:
1220: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1221: break;
1222: case -1:
1223: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1224: break;
1225: }
1226: }
1227: if ( !mr0 )
1228: if ( m1 ) mr0 = m1;
1229: else if ( m2 ) mr0 = m2;
1230: else return 0;
1231: else if ( m1 ) NEXT(mr) = m1;
1232: else if ( m2 ) NEXT(mr) = m2;
1233: else NEXT(mr) = 0;
1234: BDY(p1) = mr0;
1235: SG(p1) = MAX(SG(p1),SG(p2));
1236: LEN(p1) = LEN(p1)+LEN(p2)-can;
1237: FREEND(p2);
1238: return p1;
1239: }
1.71 noro 1240: }
1241:
1.167 ! noro 1242: ND nd_reduce2(int mod,ND d,ND g,NDV p,NM mul,NDC dn,Obj *divp)
1.146 noro 1243: {
1.157 noro 1244: int c,c1,c2;
1245: Q cg,cred,gcd,tq;
1246: P cgp,credp,gcdp;
1247: Obj tr,tr1;
1248:
1.167 ! noro 1249: if ( mod == -1 ) {
1.157 noro 1250: CM(mul) = _mulsf(_invsf(HCM(p)),_chsgnsf(HCM(g)));
1.167 ! noro 1251: *divp = (Obj)ONE;
! 1252: } else if ( mod ) {
1.157 noro 1253: c1 = invm(HCM(p),mod); c2 = mod-HCM(g);
1254: DMAR(c1,c2,0,mod,c); CM(mul) = c;
1.167 ! noro 1255: *divp = (Obj)ONE;
1.157 noro 1256: } else if ( nd_vc ) {
1257: ezgcdpz(nd_vc,HCP(g),HCP(p),&gcdp);
1258: divsp(nd_vc,HCP(g),gcdp,&cgp); divsp(nd_vc,HCP(p),gcdp,&credp);
1259: chsgnp(cgp,&CP(mul));
1260: nd_mul_c_q(d,credp); nd_mul_c_q(g,credp);
1261: if ( dn ) {
1262: mulr(nd_vc,(Obj)dn->r,(Obj)credp,&tr);
1263: reductr(nd_vc,tr,&tr1); dn->r = (R)tr1;
1264: }
1.167 ! noro 1265: *divp = (Obj)credp;
1.157 noro 1266: } else {
1267: igcd_cofactor(HCQ(g),HCQ(p),&gcd,&cg,&cred);
1268: chsgnq(cg,&CQ(mul));
1269: nd_mul_c_q(d,(P)cred); nd_mul_c_q(g,(P)cred);
1270: if ( dn ) {
1271: mulq(dn->z,cred,&tq); dn->z = tq;
1272: }
1.167 ! noro 1273: *divp = (Obj)cred;
1.157 noro 1274: }
1275: return nd_add(mod,g,ndv_mul_nm(mod,mul,p));
1.146 noro 1276: }
1277:
1.1 noro 1278: /* ret=1 : success, ret=0 : overflow */
1.146 noro 1279: int nd_nf(int mod,ND d,ND g,NDV *ps,int full,NDC dn,ND *rp)
1.1 noro 1280: {
1.157 noro 1281: NM m,mrd,tail;
1282: NM mul;
1283: int n,sugar,psugar,sugar0,stat,index;
1284: int c,c1,c2,dummy;
1285: RHist h;
1286: NDV p,red;
1.167 ! noro 1287: Q cg,cred,gcd,tq,qq,iq;
! 1288: DP dmul;
! 1289: NODE node;
! 1290: LIST hist;
1.157 noro 1291: double hmag;
1292: P tp,tp1;
1.167 ! noro 1293: Obj tr,tr1,div;
! 1294: union oNDC hg;
! 1295: P cont;
1.157 noro 1296:
1297: if ( dn ) {
1298: if ( mod )
1299: dn->m = 1;
1300: else if ( nd_vc )
1301: dn->r = (R)ONE;
1302: else
1303: dn->z = ONE;
1304: }
1305: if ( !g ) {
1306: *rp = d;
1307: return 1;
1308: }
1309: if ( !mod ) hmag = ((double)p_mag(HCP(g)))*nd_scale;
1310:
1311: sugar0 = sugar = SG(g);
1312: n = NV(g);
1313: mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
1314: if ( d )
1315: for ( tail = BDY(d); NEXT(tail); tail = NEXT(tail) );
1316: for ( ; g; ) {
1317: index = ndl_find_reducer(HDL(g));
1318: if ( index >= 0 ) {
1319: h = nd_psh[index];
1320: ndl_sub(HDL(g),DL(h),DL(mul));
1321: if ( ndl_check_bound2(index,DL(mul)) ) {
1322: nd_free(g); nd_free(d);
1323: return 0;
1324: }
1325: p = nd_demand ? ndv_load(index) : ps[index];
1.167 ! noro 1326: /* d+g -> div*(d+g)+mul*p */
! 1327: g = nd_reduce2(mod,d,g,p,mul,dn,&div);
! 1328: if ( GenTrace ) {
! 1329: /* Trace=[div,index,mul,ONE] */
! 1330: STOQ(index,iq);
! 1331: nmtodp(mod,mul,&dmul);
! 1332: node = mknode(4,div,iq,dmul,ONE);
! 1333: }
1.157 noro 1334: sugar = MAX(sugar,SG(p)+TD(DL(mul)));
1335: if ( !mod && g && ((double)(p_mag(HCP(g))) > hmag) ) {
1.167 ! noro 1336: hg = HCU(g);
1.157 noro 1337: nd_removecont2(d,g);
1.167 ! noro 1338: if ( dn || GenTrace ) {
! 1339: /* overwrite cont : Trace=[div,index,mul,cont] */
! 1340: cont = ndc_div(mod,hg,HCU(g));
! 1341: if ( dn ) {
! 1342: if ( nd_vc ) {
! 1343: divr(nd_vc,(Obj)dn->r,(Obj)cont,&tr);
! 1344: reductr(nd_vc,(Obj)tr,&tr1); dn->r = (R)tr1;
! 1345: } else divq(dn->z,(Q)cont,&dn->z);
1.157 noro 1346: }
1.167 ! noro 1347: if ( GenTrace && !UNIQ(cont) ) ARG3(node) = (pointer)cont;
1.157 noro 1348: }
1349: hmag = ((double)p_mag(HCP(g)))*nd_scale;
1350: }
1.167 ! noro 1351: MKLIST(hist,node);
! 1352: MKNODE(node,hist,nd_tracelist); nd_tracelist = node;
1.157 noro 1353: } else if ( !full ) {
1354: *rp = g;
1355: return 1;
1356: } else {
1357: m = BDY(g);
1358: if ( NEXT(m) ) {
1359: BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--;
1360: } else {
1361: FREEND(g); g = 0;
1362: }
1363: if ( d ) {
1364: NEXT(tail)=m; tail=m; LEN(d)++;
1365: } else {
1366: MKND(n,m,1,d); tail = BDY(d);
1367: }
1368: }
1369: }
1370: if ( d ) SG(d) = sugar;
1371: *rp = d;
1372: return 1;
1.1 noro 1373: }
1.28 noro 1374:
1.53 noro 1375: int nd_nf_pbucket(int mod,ND g,NDV *ps,int full,ND *rp)
1.25 noro 1376: {
1.157 noro 1377: int hindex,index;
1378: NDV p;
1379: ND u,d,red;
1380: NODE l;
1381: NM mul,m,mrd,tail;
1382: int sugar,psugar,n,h_reducible;
1383: PGeoBucket bucket;
1384: int c,c1,c2;
1385: Q cg,cred,gcd,zzz;
1386: RHist h;
1387: double hmag,gmag;
1388: int count = 0;
1389: int hcount = 0;
1390:
1391: if ( !g ) {
1392: *rp = 0;
1393: return 1;
1394: }
1395: sugar = SG(g);
1396: n = NV(g);
1397: if ( !mod ) hmag = ((double)p_mag((P)HCQ(g)))*nd_scale;
1398: bucket = create_pbucket();
1399: add_pbucket(mod,bucket,g);
1400: d = 0;
1401: mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
1402: while ( 1 ) {
1403: hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket);
1404: if ( hindex < 0 ) {
1405: if ( DP_Print > 3 ) printf("(%d %d)",count,hcount);
1406: if ( d ) SG(d) = sugar;
1407: *rp = d;
1408: return 1;
1409: }
1410: g = bucket->body[hindex];
1411: index = ndl_find_reducer(HDL(g));
1412: if ( index >= 0 ) {
1413: count++;
1414: if ( !d ) hcount++;
1415: h = nd_psh[index];
1416: ndl_sub(HDL(g),DL(h),DL(mul));
1417: if ( ndl_check_bound2(index,DL(mul)) ) {
1418: nd_free(d);
1419: free_pbucket(bucket);
1420: *rp = 0;
1421: return 0;
1422: }
1423: p = ps[index];
1424: if ( mod == -1 )
1425: CM(mul) = _mulsf(_invsf(HCM(p)),_chsgnsf(HCM(g)));
1426: else if ( mod ) {
1427: c1 = invm(HCM(p),mod); c2 = mod-HCM(g);
1428: DMAR(c1,c2,0,mod,c); CM(mul) = c;
1429: } else {
1430: igcd_cofactor(HCQ(g),HCQ(p),&gcd,&cg,&cred);
1431: chsgnq(cg,&CQ(mul));
1432: nd_mul_c_q(d,(P)cred);
1433: mulq_pbucket(bucket,cred);
1434: g = bucket->body[hindex];
1435: gmag = (double)p_mag((P)HCQ(g));
1436: }
1437: red = ndv_mul_nm(mod,mul,p);
1438: bucket->body[hindex] = nd_remove_head(g);
1439: red = nd_remove_head(red);
1440: add_pbucket(mod,bucket,red);
1441: psugar = SG(p)+TD(DL(mul));
1442: sugar = MAX(sugar,psugar);
1443: if ( !mod && hmag && (gmag > hmag) ) {
1444: g = normalize_pbucket(mod,bucket);
1445: if ( !g ) {
1446: if ( d ) SG(d) = sugar;
1447: *rp = d;
1448: return 1;
1449: }
1450: nd_removecont2(d,g);
1451: hmag = ((double)p_mag((P)HCQ(g)))*nd_scale;
1452: add_pbucket(mod,bucket,g);
1453: }
1454: } else if ( !full ) {
1455: g = normalize_pbucket(mod,bucket);
1456: if ( g ) SG(g) = sugar;
1457: *rp = g;
1458: return 1;
1459: } else {
1460: m = BDY(g);
1461: if ( NEXT(m) ) {
1462: BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--;
1463: } else {
1464: FREEND(g); g = 0;
1465: }
1466: bucket->body[hindex] = g;
1467: NEXT(m) = 0;
1468: if ( d ) {
1469: NEXT(tail)=m; tail=m; LEN(d)++;
1470: } else {
1471: MKND(n,m,1,d); tail = BDY(d);
1472: }
1473: }
1474: }
1.25 noro 1475: }
1.27 noro 1476:
1.61 noro 1477: /* input : list of NDV, cand : list of NDV */
1.28 noro 1478:
1.61 noro 1479: int ndv_check_candidate(NODE input,int obpe,int oadv,EPOS oepos,NODE cand)
1.28 noro 1480: {
1.157 noro 1481: int n,i,stat;
1482: ND nf,d;
1483: NDV r;
1484: NODE t,s;
1485: union oNDC dn;
1.45 noro 1486:
1.157 noro 1487: ndv_setup(0,0,cand,0,1);
1488: n = length(cand);
1.28 noro 1489:
1.157 noro 1490: /* membercheck : list is a subset of Id(cand) ? */
1491: for ( t = input; t; t = NEXT(t) ) {
1.45 noro 1492: again:
1.157 noro 1493: if ( nd_bpe > obpe )
1494: r = ndv_dup_realloc((NDV)BDY(t),obpe,oadv,oepos);
1495: else
1496: r = (NDV)BDY(t);
1497: d = ndvtond(0,r);
1498: stat = nd_nf(0,0,d,nd_ps,0,0,&nf);
1499: if ( !stat ) {
1500: nd_reconstruct(0,0);
1501: goto again;
1502: } else if ( nf ) return 0;
1503: if ( DP_Print ) { printf("."); fflush(stdout); }
1504: }
1505: if ( DP_Print ) { printf("\n"); }
1506: /* gbcheck : cand is a GB of Id(cand) ? */
1.167 ! noro 1507: if ( !nd_gb(0,0,1,0) ) return 0;
1.157 noro 1508: /* XXX */
1509: return 1;
1.23 noro 1510: }
1.1 noro 1511:
1512: ND nd_remove_head(ND p)
1513: {
1.157 noro 1514: NM m;
1.1 noro 1515:
1.157 noro 1516: m = BDY(p);
1517: if ( !NEXT(m) ) {
1518: FREEND(p); p = 0;
1519: } else {
1520: BDY(p) = NEXT(m); LEN(p)--;
1521: }
1522: FREENM(m);
1523: return p;
1.1 noro 1524: }
1525:
1.69 noro 1526: ND nd_separate_head(ND p,ND *head)
1527: {
1.157 noro 1528: NM m,m0;
1529: ND r;
1.69 noro 1530:
1.157 noro 1531: m = BDY(p);
1532: if ( !NEXT(m) ) {
1533: *head = p; p = 0;
1534: } else {
1535: m0 = m;
1536: BDY(p) = NEXT(m); LEN(p)--;
1537: NEXT(m0) = 0;
1538: MKND(NV(p),m0,1,r);
1539: *head = r;
1540: }
1541: return p;
1.69 noro 1542: }
1543:
1.1 noro 1544: PGeoBucket create_pbucket()
1545: {
1546: PGeoBucket g;
1.157 noro 1547:
1548: g = CALLOC(1,sizeof(struct oPGeoBucket));
1549: g->m = -1;
1550: return g;
1.1 noro 1551: }
1552:
1.25 noro 1553: void free_pbucket(PGeoBucket b) {
1.157 noro 1554: int i;
1.25 noro 1555:
1.157 noro 1556: for ( i = 0; i <= b->m; i++ )
1557: if ( b->body[i] ) {
1558: nd_free(b->body[i]);
1559: b->body[i] = 0;
1560: }
1561: GC_free(b);
1.25 noro 1562: }
1563:
1.63 noro 1564: void add_pbucket_symbolic(PGeoBucket g,ND d)
1565: {
1.157 noro 1566: int l,i,k,m;
1.63 noro 1567:
1.157 noro 1568: if ( !d )
1569: return;
1570: l = LEN(d);
1571: for ( k = 0, m = 1; l > m; k++, m <<= 1 );
1572: /* 2^(k-1) < l <= 2^k (=m) */
1573: d = nd_merge(g->body[k],d);
1574: for ( ; d && LEN(d) > m; k++, m <<= 1 ) {
1575: g->body[k] = 0;
1576: d = nd_merge(g->body[k+1],d);
1577: }
1578: g->body[k] = d;
1579: g->m = MAX(g->m,k);
1.63 noro 1580: }
1581:
1.31 noro 1582: void add_pbucket(int mod,PGeoBucket g,ND d)
1.1 noro 1583: {
1.157 noro 1584: int l,i,k,m;
1.1 noro 1585:
1.157 noro 1586: if ( !d )
1587: return;
1588: l = LEN(d);
1589: for ( k = 0, m = 1; l > m; k++, m <<= 1 );
1590: /* 2^(k-1) < l <= 2^k (=m) */
1591: d = nd_add(mod,g->body[k],d);
1592: for ( ; d && LEN(d) > m; k++, m <<= 1 ) {
1593: g->body[k] = 0;
1594: d = nd_add(mod,g->body[k+1],d);
1595: }
1596: g->body[k] = d;
1597: g->m = MAX(g->m,k);
1.1 noro 1598: }
1599:
1.113 noro 1600: void mulq_pbucket(PGeoBucket g,Q c)
1.26 noro 1601: {
1.157 noro 1602: int k;
1.26 noro 1603:
1.157 noro 1604: for ( k = 0; k <= g->m; k++ )
1605: nd_mul_c_q(g->body[k],(P)c);
1.26 noro 1606: }
1607:
1.63 noro 1608: NM remove_head_pbucket_symbolic(PGeoBucket g)
1609: {
1.157 noro 1610: int j,i,k,c;
1611: NM head;
1612:
1613: k = g->m;
1614: j = -1;
1615: for ( i = 0; i <= k; i++ ) {
1616: if ( !g->body[i] ) continue;
1617: if ( j < 0 ) j = i;
1618: else {
1619: c = DL_COMPARE(HDL(g->body[i]),HDL(g->body[j]));
1620: if ( c > 0 )
1621: j = i;
1622: else if ( c == 0 )
1623: g->body[i] = nd_remove_head(g->body[i]);
1624: }
1625: }
1626: if ( j < 0 ) return 0;
1627: else {
1628: head = BDY(g->body[j]);
1629: if ( !NEXT(head) ) {
1630: FREEND(g->body[j]);
1631: g->body[j] = 0;
1632: } else {
1633: BDY(g->body[j]) = NEXT(head);
1634: LEN(g->body[j])--;
1635: }
1636: return head;
1637: }
1.63 noro 1638: }
1639:
1.19 noro 1640: int head_pbucket(int mod,PGeoBucket g)
1.1 noro 1641: {
1.157 noro 1642: int j,i,c,k,nv,sum;
1643: UINT *di,*dj;
1644: ND gi,gj;
1645:
1646: k = g->m;
1647: while ( 1 ) {
1648: j = -1;
1649: for ( i = 0; i <= k; i++ ) {
1650: if ( !(gi = g->body[i]) )
1651: continue;
1652: if ( j < 0 ) {
1653: j = i;
1654: gj = g->body[j];
1655: dj = HDL(gj);
1656: sum = HCM(gj);
1657: } else {
1658: c = DL_COMPARE(HDL(gi),dj);
1659: if ( c > 0 ) {
1660: if ( sum ) HCM(gj) = sum;
1661: else g->body[j] = nd_remove_head(gj);
1662: j = i;
1663: gj = g->body[j];
1664: dj = HDL(gj);
1665: sum = HCM(gj);
1666: } else if ( c == 0 ) {
1667: if ( mod == -1 )
1668: sum = _addsf(sum,HCM(gi));
1669: else {
1670: sum = sum+HCM(gi)-mod;
1671: if ( sum < 0 ) sum += mod;
1672: }
1673: g->body[i] = nd_remove_head(gi);
1674: }
1675: }
1676: }
1677: if ( j < 0 ) return -1;
1678: else if ( sum ) {
1679: HCM(gj) = sum;
1680: return j;
1681: } else
1682: g->body[j] = nd_remove_head(gj);
1683: }
1.26 noro 1684: }
1685:
1.113 noro 1686: int head_pbucket_q(PGeoBucket g)
1.26 noro 1687: {
1.157 noro 1688: int j,i,c,k,nv;
1689: Q sum,t;
1690: ND gi,gj;
1691:
1692: k = g->m;
1693: while ( 1 ) {
1694: j = -1;
1695: for ( i = 0; i <= k; i++ ) {
1696: if ( !(gi = g->body[i]) ) continue;
1697: if ( j < 0 ) {
1698: j = i;
1699: gj = g->body[j];
1700: sum = HCQ(gj);
1701: } else {
1702: nv = NV(gi);
1703: c = DL_COMPARE(HDL(gi),HDL(gj));
1704: if ( c > 0 ) {
1705: if ( sum ) HCQ(gj) = sum;
1706: else g->body[j] = nd_remove_head(gj);
1707: j = i;
1708: gj = g->body[j];
1709: sum = HCQ(gj);
1710: } else if ( c == 0 ) {
1711: addq(sum,HCQ(gi),&t);
1712: sum = t;
1713: g->body[i] = nd_remove_head(gi);
1714: }
1715: }
1716: }
1717: if ( j < 0 ) return -1;
1718: else if ( sum ) {
1719: HCQ(gj) = sum;
1720: return j;
1721: } else
1722: g->body[j] = nd_remove_head(gj);
1723: }
1.1 noro 1724: }
1725:
1.25 noro 1726: ND normalize_pbucket(int mod,PGeoBucket g)
1.1 noro 1727: {
1.157 noro 1728: int i;
1729: ND r,t;
1.1 noro 1730:
1.157 noro 1731: r = 0;
1732: for ( i = 0; i <= g->m; i++ ) {
1733: r = nd_add(mod,r,g->body[i]);
1734: g->body[i] = 0;
1735: }
1736: g->m = -1;
1737: return r;
1.1 noro 1738: }
1739:
1.150 noro 1740: #if 0
1741: void register_hcf(NDV p)
1742: {
1.157 noro 1743: DCP dc,t;
1744: P hc,h;
1745: int c;
1746: NODE l,l1,prev;
1747:
1748: hc = p->body->c.p;
1749: if ( !nd_vc || NUM(hc) ) return;
1750: fctrp(nd_vc,hc,&dc);
1751: for ( t = dc; t; t = NEXT(t) ) {
1752: h = t->c;
1753: if ( NUM(h) ) continue;
1754: for ( prev = 0, l = nd_hcf; l; prev = l, l = NEXT(l) ) {
1755: c = compp(nd_vc,h,(P)BDY(l));
1756: if ( c >= 0 ) break;
1757: }
1758: if ( !l || c > 0 ) {
1759: MKNODE(l1,h,l);
1760: if ( !prev )
1761: nd_hcf = l1;
1762: else
1763: NEXT(prev) = l1;
1764: }
1765: }
1.150 noro 1766: }
1767: #else
1768: void register_hcf(NDV p)
1769: {
1.157 noro 1770: DCP dc,t;
1771: P hc,h,q;
1772: Q dmy;
1773: int c;
1774: NODE l,l1,prev;
1775:
1776: hc = p->body->c.p;
1777: if ( NUM(hc) ) return;
1778: ptozp(hc,1,&dmy,&h);
1.150 noro 1779: #if 1
1.157 noro 1780: for ( l = nd_hcf; l; l = NEXT(l) ) {
1781: while ( 1 ) {
1782: if ( divtpz(nd_vc,h,(P)BDY(l),&q) ) h = q;
1783: else break;
1784: }
1785: }
1786: if ( NUM(h) ) return;
1.150 noro 1787: #endif
1.157 noro 1788: for ( prev = 0, l = nd_hcf; l; prev = l, l = NEXT(l) ) {
1789: c = compp(nd_vc,h,(P)BDY(l));
1790: if ( c >= 0 ) break;
1791: }
1792: if ( !l || c > 0 ) {
1793: MKNODE(l1,h,l);
1794: if ( !prev )
1795: nd_hcf = l1;
1796: else
1797: NEXT(prev) = l1;
1798: }
1.150 noro 1799: }
1800: #endif
1801:
1.122 noro 1802: int do_diagonalize(int sugar,int m)
1.92 noro 1803: {
1.157 noro 1804: int i,nh,stat;
1805: NODE r,g,t;
1806: ND h,nf,s,head;
1807: NDV nfv;
1808: Q q,num,den;
1.167 ! noro 1809: P nm,nmp,dn,mnp,dnp,cont,cont1;
! 1810: union oNDC hc;
! 1811: NODE node;
! 1812: LIST l;
! 1813: Q iq;
1.157 noro 1814:
1815: for ( i = nd_psn-1; i >= 0 && SG(nd_psh[i]) == sugar; i-- ) {
1.167 ! noro 1816: if ( GenTrace ) {
! 1817: /* Trace = [1,index,1,1] */
! 1818: STOQ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
! 1819: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
! 1820: }
1.157 noro 1821: if ( nd_demand )
1822: nfv = ndv_load(i);
1823: else
1824: nfv = nd_ps[i];
1825: s = ndvtond(m,nfv);
1826: s = nd_separate_head(s,&head);
1827: stat = nd_nf(m,head,s,nd_ps,1,0,&nf);
1828: if ( !stat ) return 0;
1829: ndv_free(nfv);
1.167 ! noro 1830: hc = HCU(nf); nd_removecont(m,nf);
! 1831: cont = ndc_div(m,hc,HCU(nf));
! 1832: if ( GenTrace ) finalize_tracelist(i,cont);
1.157 noro 1833: nfv = ndtondv(m,nf);
1834: nd_free(nf);
1835: nd_bound[i] = ndv_compute_bound(nfv);
1836: if ( !m ) register_hcf(nfv);
1837: if ( nd_demand ) {
1838: ndv_save(nfv,i);
1839: ndv_free(nfv);
1840: } else
1841: nd_ps[i] = nfv;
1842: }
1843: return 1;
1.92 noro 1844: }
1845:
1.27 noro 1846: /* return value = 0 => input is not a GB */
1847:
1.167 ! noro 1848: NODE nd_gb(int m,int ishomo,int checkonly,int **indp)
1.1 noro 1849: {
1.157 noro 1850: int i,nh,sugar,stat;
1851: NODE r,g,t;
1852: ND_pairs d;
1853: ND_pairs l;
1854: ND h,nf,s,head,nf1;
1855: NDV nfv;
1856: Q q,num,den;
1.167 ! noro 1857: union oNDC dn,hc;
1.157 noro 1858: int diag_count = 0;
1.167 ! noro 1859: P cont;
! 1860: LIST list;
1.157 noro 1861:
1862: g = 0; d = 0;
1863: for ( i = 0; i < nd_psn; i++ ) {
1864: d = update_pairs(d,g,i);
1865: g = update_base(g,i);
1866: }
1867: sugar = 0;
1868: while ( d ) {
1.1 noro 1869: again:
1.157 noro 1870: l = nd_minp(d,&d);
1871: if ( SG(l) != sugar ) {
1872: if ( ishomo ) {
1873: diag_count = 0;
1874: stat = do_diagonalize(sugar,m);
1875: if ( !stat ) {
1876: NEXT(l) = d; d = l;
1877: d = nd_reconstruct(0,d);
1878: goto again;
1879: }
1880: }
1881: sugar = SG(l);
1882: if ( DP_Print ) fprintf(asir_out,"%d",sugar);
1883: }
1884: stat = nd_sp(m,0,l,&h);
1885: if ( !stat ) {
1886: NEXT(l) = d; d = l;
1887: d = nd_reconstruct(0,d);
1888: goto again;
1889: }
1.41 noro 1890: #if USE_GEOBUCKET
1.167 ! noro 1891: stat = (m&&!GenTrace)?nd_nf_pbucket(m,h,nd_ps,!Top,&nf)
! 1892: :nd_nf(m,0,h,nd_ps,!Top,0,&nf);
1.41 noro 1893: #else
1.157 noro 1894: stat = nd_nf(m,0,h,nd_ps,!Top,0,&nf);
1.41 noro 1895: #endif
1.157 noro 1896: if ( !stat ) {
1897: NEXT(l) = d; d = l;
1898: d = nd_reconstruct(0,d);
1899: goto again;
1900: } else if ( nf ) {
1901: if ( checkonly ) return 0;
1902: if ( DP_Print ) { printf("+"); fflush(stdout); }
1.167 ! noro 1903: hc = HCU(nf);
1.157 noro 1904: nd_removecont(m,nf);
1905: if ( !m && nd_nalg ) {
1906: nd_monic(0,&nf);
1907: nd_removecont(m,nf);
1908: }
1.167 ! noro 1909: if ( GenTrace ) {
! 1910: cont = ndc_div(m,hc,HCU(nf));
! 1911: if ( m || !UNIQ(cont) ) {
! 1912: t = mknode(4,0,0,0,cont);
! 1913: MKLIST(list,t); MKNODE(t,list,nd_tracelist);
! 1914: nd_tracelist = t;
! 1915: }
! 1916: }
1.157 noro 1917: nfv = ndtondv(m,nf); nd_free(nf);
1918: nh = ndv_newps(m,nfv,0);
1919: if ( !m && (ishomo && ++diag_count == diag_period) ) {
1920: diag_count = 0;
1921: stat = do_diagonalize(sugar,m);
1922: if ( !stat ) {
1923: NEXT(l) = d; d = l;
1924: d = nd_reconstruct(1,d);
1925: goto again;
1926: }
1927: }
1928: d = update_pairs(d,g,nh);
1929: g = update_base(g,nh);
1930: FREENDP(l);
1931: } else {
1932: if ( DP_Print ) { printf("."); fflush(stdout); }
1933: FREENDP(l);
1934: }
1935: }
1.167 ! noro 1936: conv_ilist(nd_demand,0,g,indp);
1.157 noro 1937: if ( !checkonly && DP_Print ) { printf("nd_gb done.\n"); fflush(stdout); }
1938: return g;
1.1 noro 1939: }
1940:
1.122 noro 1941: int do_diagonalize_trace(int sugar,int m)
1.91 noro 1942: {
1.157 noro 1943: int i,nh,stat;
1944: NODE r,g,t;
1945: ND h,nf,nfq,s,head;
1946: NDV nfv,nfqv;
1947: Q q,den,num;
1.167 ! noro 1948: union oNDC hc;
! 1949: NODE node;
! 1950: LIST l;
! 1951: Q iq;
! 1952: P cont,cont1;
1.157 noro 1953:
1954: for ( i = nd_psn-1; i >= 0 && SG(nd_psh[i]) == sugar; i-- ) {
1.167 ! noro 1955: if ( GenTrace ) {
! 1956: /* Trace = [1,index,1,1] */
! 1957: STOQ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
! 1958: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
! 1959: }
1.157 noro 1960: /* for nd_ps */
1961: s = ndvtond(m,nd_ps[i]);
1962: s = nd_separate_head(s,&head);
1963: stat = nd_nf_pbucket(m,s,nd_ps,1,&nf);
1964: if ( !stat ) return 0;
1965: nf = nd_add(m,head,nf);
1966: ndv_free(nd_ps[i]);
1967: nd_ps[i] = ndtondv(m,nf);
1968: nd_free(nf);
1969:
1970: /* for nd_ps_trace */
1971: if ( nd_demand )
1972: nfv = ndv_load(i);
1973: else
1974: nfv = nd_ps_trace[i];
1975: s = ndvtond(0,nfv);
1976: s = nd_separate_head(s,&head);
1977: stat = nd_nf(0,head,s,nd_ps_trace,1,0,&nf);
1978: if ( !stat ) return 0;
1979: ndv_free(nfv);
1.167 ! noro 1980: hc = HCU(nf); nd_removecont(0,nf);
! 1981: cont = ndc_div(0,hc,HCU(nf));
! 1982: if ( GenTrace ) finalize_tracelist(i,cont);
1.157 noro 1983: nfv = ndtondv(0,nf);
1984: nd_free(nf);
1985: nd_bound[i] = ndv_compute_bound(nfv);
1986: register_hcf(nfv);
1987: if ( nd_demand ) {
1988: ndv_save(nfv,i);
1989: ndv_free(nfv);
1990: } else
1991: nd_ps_trace[i] = nfv;
1992: }
1993: return 1;
1.91 noro 1994: }
1995:
1.118 noro 1996: static struct oEGT eg_invdalg;
1997: struct oEGT eg_le;
1998:
1.147 noro 1999: void nd_subst_vector(VL vl,P p,NODE subst,P *r)
2000: {
1.157 noro 2001: NODE tn;
2002: P p1;
1.147 noro 2003:
1.157 noro 2004: for ( tn = subst; tn; tn = NEXT(NEXT(tn)) ) {
2005: substp(vl,p,BDY(tn),BDY(NEXT(tn)),&p1); p = p1;
2006: }
2007: *r = p;
1.147 noro 2008: }
2009:
1.167 ! noro 2010: NODE nd_gb_trace(int m,int ishomo,int **indp)
1.20 noro 2011: {
1.157 noro 2012: int i,nh,sugar,stat;
2013: NODE r,g,t;
2014: ND_pairs d;
2015: ND_pairs l;
2016: ND h,nf,nfq,s,head;
2017: NDV nfv,nfqv;
2018: Q q,den,num;
2019: P hc;
1.167 ! noro 2020: union oNDC dn,hnfq;
1.157 noro 2021: struct oEGT eg_monic,egm0,egm1;
2022: int diag_count = 0;
1.167 ! noro 2023: P cont;
! 2024: LIST list;
1.157 noro 2025:
2026: init_eg(&eg_monic);
2027: init_eg(&eg_invdalg);
2028: init_eg(&eg_le);
2029: g = 0; d = 0;
2030: for ( i = 0; i < nd_psn; i++ ) {
2031: d = update_pairs(d,g,i);
2032: g = update_base(g,i);
2033: }
2034: sugar = 0;
2035: while ( d ) {
1.20 noro 2036: again:
1.157 noro 2037: l = nd_minp(d,&d);
2038: if ( SG(l) != sugar ) {
1.130 noro 2039: #if 1
1.157 noro 2040: if ( ishomo ) {
2041: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2042: stat = do_diagonalize_trace(sugar,m);
2043: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2044: diag_count = 0;
2045: if ( !stat ) {
2046: NEXT(l) = d; d = l;
2047: d = nd_reconstruct(1,d);
2048: goto again;
2049: }
2050: }
1.130 noro 2051: #endif
1.157 noro 2052: sugar = SG(l);
2053: if ( DP_Print ) fprintf(asir_out,"%d",sugar);
2054: }
2055: stat = nd_sp(m,0,l,&h);
2056: if ( !stat ) {
2057: NEXT(l) = d; d = l;
2058: d = nd_reconstruct(1,d);
2059: goto again;
2060: }
1.41 noro 2061: #if USE_GEOBUCKET
1.157 noro 2062: stat = nd_nf_pbucket(m,h,nd_ps,!Top,&nf);
1.41 noro 2063: #else
1.157 noro 2064: stat = nd_nf(m,0,h,nd_ps,!Top,0,&nf);
1.41 noro 2065: #endif
1.157 noro 2066: if ( !stat ) {
2067: NEXT(l) = d; d = l;
2068: d = nd_reconstruct(1,d);
2069: goto again;
2070: } else if ( nf ) {
2071: if ( nd_demand ) {
2072: nfqv = ndv_load(nd_psn);
2073: nfq = ndvtond(0,nfqv);
2074: } else
2075: nfq = 0;
2076: if ( !nfq ) {
2077: if ( !nd_sp(0,1,l,&h) || !nd_nf(0,0,h,nd_ps_trace,!Top,0,&nfq) ) {
2078: NEXT(l) = d; d = l;
2079: d = nd_reconstruct(1,d);
2080: goto again;
2081: }
2082: }
2083: if ( nfq ) {
2084: /* m|HC(nfq) => failure */
2085: if ( nd_vc ) {
2086: nd_subst_vector(nd_vc,HCP(nfq),nd_subst,&hc); q = (Q)hc;
2087: } else
2088: q = HCQ(nfq);
2089: if ( !rem(NM(q),m) ) return 0;
2090:
2091: if ( DP_Print ) { printf("+"); fflush(stdout); }
1.167 ! noro 2092: hnfq = HCU(nfq);
1.157 noro 2093: if ( nd_nalg ) {
2094: /* m|DN(HC(nf)^(-1)) => failure */
2095: get_eg(&egm0);
2096: if ( !nd_monic(m,&nfq) ) return 0;
2097: get_eg(&egm1); add_eg(&eg_monic,&egm0,&egm1);
2098: nd_removecont(0,nfq); nfqv = ndtondv(0,nfq); nd_free(nfq);
2099: nfv = ndv_dup(0,nfqv); ndv_mod(m,nfv); nd_free(nf);
2100: } else {
2101: nd_removecont(0,nfq); nfqv = ndtondv(0,nfq); nd_free(nfq);
2102: nd_removecont(m,nf); nfv = ndtondv(m,nf); nd_free(nf);
2103: }
1.167 ! noro 2104: if ( GenTrace ) {
! 2105: cont = ndc_div(0,hnfq,HCU(nfqv));
! 2106: if ( !UNIQ(cont) ) {
! 2107: t = mknode(4,0,0,0,cont);
! 2108: MKLIST(list,t); MKNODE(t,list,nd_tracelist);
! 2109: nd_tracelist = t;
! 2110: }
! 2111: }
1.157 noro 2112: nh = ndv_newps(0,nfv,nfqv);
2113: if ( ishomo && ++diag_count == diag_period ) {
2114: diag_count = 0;
2115: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2116: stat = do_diagonalize_trace(sugar,m);
2117: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2118: if ( !stat ) {
2119: NEXT(l) = d; d = l;
2120: d = nd_reconstruct(1,d);
2121: goto again;
2122: }
2123: }
2124: d = update_pairs(d,g,nh);
2125: g = update_base(g,nh);
2126: } else {
2127: if ( DP_Print ) { printf("*"); fflush(stdout); }
2128: }
2129: } else {
2130: if ( DP_Print ) { printf("."); fflush(stdout); }
2131: }
2132: FREENDP(l);
2133: }
2134: if ( nd_nalg ) {
2135: print_eg("monic",&eg_monic);
2136: print_eg("invdalg",&eg_invdalg);
2137: print_eg("le",&eg_le);
2138: }
1.167 ! noro 2139: conv_ilist(nd_demand,1,g,indp);
1.157 noro 2140: if ( DP_Print ) { printf("nd_gb_trace done.\n"); fflush(stdout); }
2141: return g;
1.20 noro 2142: }
2143:
1.23 noro 2144: int ndv_compare(NDV *p1,NDV *p2)
2145: {
1.157 noro 2146: return DL_COMPARE(HDL(*p1),HDL(*p2));
1.23 noro 2147: }
2148:
2149: int ndv_compare_rev(NDV *p1,NDV *p2)
2150: {
1.157 noro 2151: return -DL_COMPARE(HDL(*p1),HDL(*p2));
1.23 noro 2152: }
2153:
1.167 ! noro 2154: int ndvi_compare(NDVI p1,NDVI p2)
! 2155: {
! 2156: return DL_COMPARE(HDL(p1->p),HDL(p2->p));
! 2157: }
! 2158:
! 2159: int ndvi_compare_rev(NDVI p1,NDVI p2)
! 2160: {
! 2161: return -DL_COMPARE(HDL(p1->p),HDL(p2->p));
! 2162: }
! 2163:
1.61 noro 2164: NODE ndv_reduceall(int m,NODE f)
1.23 noro 2165: {
1.167 ! noro 2166: int i,j,n,stat;
1.157 noro 2167: ND nf,g,head;
2168: NODE t,a0,a;
2169: union oNDC dn;
2170: Q q,num,den;
1.167 ! noro 2171: NODE node;
! 2172: LIST l;
! 2173: Q iq,jq;
! 2174: int *perm;
! 2175: union oNDC hc;
! 2176: P cont,cont1;
1.23 noro 2177:
1.157 noro 2178: n = length(f);
2179: ndv_setup(m,0,f,0,1);
1.167 ! noro 2180: perm = (int *)MALLOC(n*sizeof(int));
! 2181: if ( GenTrace ) {
! 2182: for ( t = nd_tracelist, i = 0; i < n; i++, t = NEXT(t) )
! 2183: perm[i] = QTOS((Q)ARG1(BDY((LIST)BDY(t))));
! 2184: }
1.157 noro 2185: for ( i = 0; i < n; ) {
1.167 ! noro 2186: if ( GenTrace ) {
! 2187: /* Trace = [1,index,1,1] */
! 2188: STOQ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
! 2189: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
! 2190: }
1.157 noro 2191: g = ndvtond(m,nd_ps[i]);
2192: g = nd_separate_head(g,&head);
2193: stat = nd_nf(m,head,g,nd_ps,1,0,&nf);
2194: if ( !stat )
2195: nd_reconstruct(0,0);
2196: else {
2197: if ( DP_Print ) { printf("."); fflush(stdout); }
2198: ndv_free(nd_ps[i]);
1.167 ! noro 2199: hc = HCU(nf); nd_removecont(m,nf);
! 2200: if ( GenTrace ) {
! 2201: for ( t = nd_tracelist; t; t = NEXT(t) ) {
! 2202: jq = ARG1(BDY((LIST)BDY(t))); j = QTOS(jq);
! 2203: STOQ(perm[j],jq); ARG1(BDY((LIST)BDY(t))) = jq;
! 2204: }
! 2205: cont = ndc_div(m,hc,HCU(nf));
! 2206: finalize_tracelist(perm[i],cont);
! 2207: }
1.157 noro 2208: nd_ps[i] = ndtondv(m,nf); nd_free(nf);
2209: nd_bound[i] = ndv_compute_bound(nd_ps[i]);
2210: i++;
2211: }
2212: }
2213: if ( DP_Print ) { printf("\n"); }
2214: for ( a0 = 0, i = 0; i < n; i++ ) {
2215: NEXTNODE(a0,a);
1.167 ! noro 2216: if ( !GenTrace ) BDY(a) = (pointer)nd_ps[i];
! 2217: else {
! 2218: for ( j = 0; j < n; j++ ) if ( perm[j] == i ) break;
! 2219: BDY(a) = (pointer)nd_ps[j];
! 2220: }
1.157 noro 2221: }
2222: NEXT(a) = 0;
2223: return a0;
1.23 noro 2224: }
2225:
1.1 noro 2226: ND_pairs update_pairs( ND_pairs d, NODE /* of index */ g, int t)
2227: {
1.157 noro 2228: ND_pairs d1,nd,cur,head,prev,remove;
1.1 noro 2229:
1.157 noro 2230: if ( !g ) return d;
2231: d = crit_B(d,t);
2232: d1 = nd_newpairs(g,t);
2233: d1 = crit_M(d1);
2234: d1 = crit_F(d1);
2235: if ( do_weyl )
2236: head = d1;
2237: else {
2238: prev = 0; cur = head = d1;
2239: while ( cur ) {
2240: if ( crit_2( cur->i1,cur->i2 ) ) {
2241: remove = cur;
2242: if ( !prev ) head = cur = NEXT(cur);
2243: else cur = NEXT(prev) = NEXT(cur);
2244: FREENDP(remove);
2245: } else {
2246: prev = cur; cur = NEXT(cur);
2247: }
2248: }
2249: }
2250: if ( !d )
2251: return head;
2252: else {
2253: nd = d;
2254: while ( NEXT(nd) ) nd = NEXT(nd);
2255: NEXT(nd) = head;
2256: return d;
2257: }
1.1 noro 2258: }
2259:
1.157 noro 2260:
1.1 noro 2261: ND_pairs nd_newpairs( NODE g, int t )
2262: {
1.157 noro 2263: NODE h;
2264: UINT *dl;
2265: int ts,s;
2266: ND_pairs r,r0;
2267:
2268: dl = DL(nd_psh[t]);
2269: ts = SG(nd_psh[t]) - TD(dl);
2270: for ( r0 = 0, h = g; h; h = NEXT(h) ) {
1.159 noro 2271: if ( nd_module && (MPOS(DL(nd_psh[(long)BDY(h)])) != MPOS(dl)) )
1.157 noro 2272: continue;
2273: NEXTND_pairs(r0,r);
1.159 noro 2274: r->i1 = (long)BDY(h);
1.157 noro 2275: r->i2 = t;
2276: ndl_lcm(DL(nd_psh[r->i1]),dl,r->lcm);
2277: s = SG(nd_psh[r->i1])-TD(DL(nd_psh[r->i1]));
2278: SG(r) = MAX(s,ts) + TD(LCM(r));
2279: }
2280: if ( r0 ) NEXT(r) = 0;
2281: return r0;
1.1 noro 2282: }
2283:
1.157 noro 2284: /* kokokara */
2285:
1.1 noro 2286: ND_pairs crit_B( ND_pairs d, int s )
2287: {
1.157 noro 2288: ND_pairs cur,head,prev,remove;
2289: UINT *t,*tl,*lcm;
2290: int td,tdl;
2291:
2292: if ( !d ) return 0;
2293: t = DL(nd_psh[s]);
2294: prev = 0;
2295: head = cur = d;
2296: lcm = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
2297: while ( cur ) {
2298: tl = cur->lcm;
1.163 noro 2299: if ( ndl_reducible(tl,t) ) {
2300: ndl_lcm(DL(nd_psh[cur->i1]),t,lcm);
1.167 ! noro 2301: if ( !ndl_equal(lcm,tl) ) {
! 2302: ndl_lcm(DL(nd_psh[cur->i2]),t,lcm);
! 2303: if (!ndl_equal(lcm,tl)) {
! 2304: remove = cur;
! 2305: if ( !prev ) {
! 2306: head = cur = NEXT(cur);
! 2307: } else {
! 2308: cur = NEXT(prev) = NEXT(cur);
! 2309: }
! 2310: FREENDP(remove);
! 2311: } else {
! 2312: prev = cur; cur = NEXT(cur);
! 2313: }
! 2314: } else {
! 2315: prev = cur; cur = NEXT(cur);
! 2316: }
1.157 noro 2317: } else {
2318: prev = cur; cur = NEXT(cur);
2319: }
2320: }
2321: return head;
1.1 noro 2322: }
2323:
2324: ND_pairs crit_M( ND_pairs d1 )
2325: {
1.157 noro 2326: ND_pairs e,d2,d3,dd,p;
2327: UINT *id,*jd;
1.1 noro 2328:
1.157 noro 2329: if ( !d1 ) return d1;
2330: for ( dd = 0, e = d1; e; e = d3 ) {
2331: if ( !(d2 = NEXT(e)) ) {
2332: NEXT(e) = dd;
2333: return e;
2334: }
2335: id = LCM(e);
2336: for ( d3 = 0; d2; d2 = p ) {
2337: p = NEXT(d2);
2338: jd = LCM(d2);
2339: if ( ndl_equal(jd,id) )
2340: ;
2341: else if ( TD(jd) > TD(id) )
2342: if ( ndl_reducible(jd,id) ) continue;
2343: else ;
2344: else if ( ndl_reducible(id,jd) ) goto delit;
2345: NEXT(d2) = d3;
2346: d3 = d2;
2347: }
2348: NEXT(e) = dd;
2349: dd = e;
2350: continue;
2351: /**/
2352: delit: NEXT(d2) = d3;
2353: d3 = d2;
2354: for ( ; p; p = d2 ) {
2355: d2 = NEXT(p);
2356: NEXT(p) = d3;
2357: d3 = p;
2358: }
2359: FREENDP(e);
2360: }
2361: return dd;
1.1 noro 2362: }
2363:
2364: ND_pairs crit_F( ND_pairs d1 )
2365: {
1.157 noro 2366: ND_pairs rest, head,remove;
2367: ND_pairs last, p, r, w;
2368: int s;
2369:
2370: if ( !d1 ) return d1;
2371: for ( head = last = 0, p = d1; NEXT(p); ) {
2372: r = w = equivalent_pairs(p,&rest);
2373: s = SG(r);
2374: w = NEXT(w);
2375: while ( w ) {
2376: if ( crit_2(w->i1,w->i2) ) {
2377: r = w;
2378: w = NEXT(w);
2379: while ( w ) {
2380: remove = w;
2381: w = NEXT(w);
2382: FREENDP(remove);
2383: }
2384: break;
2385: } else if ( SG(w) < s ) {
2386: FREENDP(r);
2387: r = w;
2388: s = SG(r);
2389: w = NEXT(w);
2390: } else {
2391: remove = w;
2392: w = NEXT(w);
2393: FREENDP(remove);
2394: }
2395: }
2396: if ( last ) NEXT(last) = r;
2397: else head = r;
2398: NEXT(last = r) = 0;
2399: p = rest;
2400: if ( !p ) return head;
2401: }
2402: if ( !last ) return p;
2403: NEXT(last) = p;
2404: return head;
1.1 noro 2405: }
2406:
2407: int crit_2( int dp1, int dp2 )
2408: {
1.157 noro 2409: return ndl_disjoint(DL(nd_psh[dp1]),DL(nd_psh[dp2]));
1.1 noro 2410: }
2411:
1.40 noro 2412: ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest )
1.1 noro 2413: {
1.157 noro 2414: ND_pairs w,p,r,s;
2415: UINT *d;
1.1 noro 2416:
1.157 noro 2417: w = d1;
2418: d = LCM(w);
2419: s = NEXT(w);
2420: NEXT(w) = 0;
2421: for ( r = 0; s; s = p ) {
2422: p = NEXT(s);
2423: if ( ndl_equal(d,LCM(s)) ) {
2424: NEXT(s) = w; w = s;
2425: } else {
2426: NEXT(s) = r; r = s;
2427: }
2428: }
2429: *prest = r;
2430: return w;
1.1 noro 2431: }
2432:
2433: NODE update_base(NODE nd,int ndp)
2434: {
1.157 noro 2435: UINT *dl, *dln;
2436: NODE last, p, head;
1.1 noro 2437:
1.157 noro 2438: dl = DL(nd_psh[ndp]);
2439: for ( head = last = 0, p = nd; p; ) {
1.159 noro 2440: dln = DL(nd_psh[(long)BDY(p)]);
1.157 noro 2441: if ( ndl_reducible( dln, dl ) ) {
2442: p = NEXT(p);
2443: if ( last ) NEXT(last) = p;
2444: } else {
2445: if ( !last ) head = p;
2446: p = NEXT(last = p);
2447: }
2448: }
2449: head = append_one(head,ndp);
2450: return head;
1.1 noro 2451: }
2452:
2453: ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )
2454: {
1.157 noro 2455: ND_pairs m,ml,p,l;
2456: UINT *lcm;
2457: int s,td,len,tlen,c,c1;
2458:
2459: if ( !(p = NEXT(m = d)) ) {
2460: *prest = p;
2461: NEXT(m) = 0;
2462: return m;
2463: }
2464: s = SG(m);
2465: if ( !NoSugar ) {
2466: for ( ml = 0, l = m; p; p = NEXT(l = p) )
2467: if ( (SG(p) < s)
2468: || ((SG(p) == s) && (DL_COMPARE(LCM(p),LCM(m)) < 0)) ) {
2469: ml = l; m = p; s = SG(m);
2470: }
2471: } else {
2472: for ( ml = 0, l = m; p; p = NEXT(l = p) )
2473: if ( DL_COMPARE(LCM(p),LCM(m)) < 0 ) {
2474: ml = l; m = p; s = SG(m);
2475: }
2476: }
2477: if ( !ml ) *prest = NEXT(m);
2478: else {
2479: NEXT(ml) = NEXT(m);
2480: *prest = d;
2481: }
2482: NEXT(m) = 0;
2483: return m;
1.1 noro 2484: }
2485:
1.63 noro 2486: ND_pairs nd_minsugarp( ND_pairs d, ND_pairs *prest )
2487: {
1.157 noro 2488: int msugar,i;
2489: ND_pairs t,dm0,dm,dr0,dr;
1.63 noro 2490:
1.157 noro 2491: for ( msugar = SG(d), t = NEXT(d); t; t = NEXT(t) )
2492: if ( SG(t) < msugar ) msugar = SG(t);
2493: dm0 = 0; dr0 = 0;
2494: for ( i = 0, t = d; t; t = NEXT(t) )
2495: if ( i < nd_f4_nsp && SG(t) == msugar ) {
2496: if ( dm0 ) NEXT(dm) = t;
2497: else dm0 = t;
2498: dm = t;
2499: i++;
2500: } else {
2501: if ( dr0 ) NEXT(dr) = t;
2502: else dr0 = t;
2503: dr = t;
2504: }
2505: NEXT(dm) = 0;
2506: if ( dr0 ) NEXT(dr) = 0;
2507: *prest = dr0;
2508: return dm0;
1.63 noro 2509: }
2510:
1.77 noro 2511: int ndv_newps(int m,NDV a,NDV aq)
1.1 noro 2512: {
1.157 noro 2513: int len;
2514: RHist r;
2515: NDV b;
1.167 ! noro 2516: NODE tn;
! 2517: LIST l;
! 2518: Q iq;
1.157 noro 2519:
2520: if ( nd_psn == nd_pslen ) {
2521: nd_pslen *= 2;
2522: nd_ps = (NDV *)REALLOC((char *)nd_ps,nd_pslen*sizeof(NDV));
2523: nd_ps_trace = (NDV *)REALLOC((char *)nd_ps_trace,nd_pslen*sizeof(NDV));
2524: nd_psh = (RHist *)REALLOC((char *)nd_psh,nd_pslen*sizeof(RHist));
2525: nd_bound = (UINT **)
2526: REALLOC((char *)nd_bound,nd_pslen*sizeof(UINT *));
2527: }
2528: NEWRHist(r); nd_psh[nd_psn] = r;
2529: nd_ps[nd_psn] = a;
2530: if ( aq ) {
2531: nd_ps_trace[nd_psn] = aq;
2532: register_hcf(aq);
2533: nd_bound[nd_psn] = ndv_compute_bound(aq);
2534: SG(r) = SG(aq); ndl_copy(HDL(aq),DL(r));
2535: } else {
2536: if ( !m ) register_hcf(a);
2537: nd_bound[nd_psn] = ndv_compute_bound(a);
2538: SG(r) = SG(a); ndl_copy(HDL(a),DL(r));
2539: }
2540: if ( nd_demand ) {
2541: if ( aq ) {
2542: ndv_save(nd_ps_trace[nd_psn],nd_psn);
2543: nd_ps_trace[nd_psn] = 0;
2544: } else {
2545: ndv_save(nd_ps[nd_psn],nd_psn);
2546: nd_ps[nd_psn] = 0;
2547: }
2548: }
1.167 ! noro 2549: if ( GenTrace ) {
! 2550: /* reverse the tracelist and append it to alltracelist */
! 2551: nd_tracelist = reverse_node(nd_tracelist); MKLIST(l,nd_tracelist);
! 2552: STOQ(nd_psn,iq); tn = mknode(2,iq,l); MKLIST(l,tn);
! 2553: MKNODE(tn,l,nd_alltracelist); nd_alltracelist = tn; nd_tracelist = 0;
! 2554: }
1.157 noro 2555: return nd_psn++;
1.1 noro 2556: }
2557:
1.167 ! noro 2558: /* nd_tracelist = [[0,index,div],...,[nd_psn-1,index,div]] */
! 2559:
1.151 noro 2560: void ndv_setup(int mod,int trace,NODE f,int dont_sort,int dont_removecont)
1.1 noro 2561: {
1.157 noro 2562: int i,j,td,len,max;
1.167 ! noro 2563: NODE s,s0,f0,tn;
1.157 noro 2564: UINT *d;
2565: RHist r;
1.167 ! noro 2566: NDVI w;
1.157 noro 2567: NDV a,am;
1.167 ! noro 2568: union oNDC hc;
! 2569: NODE node;
! 2570: P hcp;
! 2571: Q iq,jq,hcq;
! 2572: LIST l;
1.157 noro 2573:
2574: nd_found = 0; nd_notfirst = 0; nd_create = 0;
1.167 ! noro 2575: /* initialize the tracelist */
! 2576: nd_tracelist = 0;
1.157 noro 2577:
2578: for ( nd_psn = 0, s = f; s; s = NEXT(s) ) if ( BDY(s) ) nd_psn++;
1.167 ! noro 2579: w = (NDVI)ALLOCA(nd_psn*sizeof(struct oNDVI));
! 2580: for ( i = j = 0, s = f; s; s = NEXT(s), j++ )
! 2581: if ( BDY(s) ) { w[i].p = BDY(s); w[i].i = j; i++; }
1.157 noro 2582: if ( !dont_sort ) {
2583: /* XXX heuristic */
2584: if ( !nd_ord->id && (nd_ord->ord.simple<2) )
1.167 ! noro 2585: qsort(w,nd_psn,sizeof(struct oNDVI),
! 2586: (int (*)(const void *,const void *))ndvi_compare_rev);
1.157 noro 2587: else
1.167 ! noro 2588: qsort(w,nd_psn,sizeof(struct oNDVI),
! 2589: (int (*)(const void *,const void *))ndvi_compare);
1.157 noro 2590: }
2591: nd_pslen = 2*nd_psn;
2592: nd_ps = (NDV *)MALLOC(nd_pslen*sizeof(NDV));
2593: nd_ps_trace = (NDV *)MALLOC(nd_pslen*sizeof(NDV));
2594: nd_psh = (RHist *)MALLOC(nd_pslen*sizeof(RHist));
2595: nd_bound = (UINT **)MALLOC(nd_pslen*sizeof(UINT *));
2596: nd_hcf = 0;
2597:
2598: if ( trace && nd_vc )
2599: makesubst(nd_vc,&nd_subst);
2600: else
2601: nd_subst = 0;
2602:
2603: if ( !nd_red )
2604: nd_red = (RHist *)MALLOC(REDTAB_LEN*sizeof(RHist));
2605: for ( i = 0; i < REDTAB_LEN; i++ ) nd_red[i] = 0;
2606: for ( i = 0; i < nd_psn; i++ ) {
1.167 ! noro 2607: hc = HCU(w[i].p);
1.157 noro 2608: if ( trace ) {
1.167 ! noro 2609: a = nd_ps_trace[i] = ndv_dup(0,w[i].p);
1.157 noro 2610: if ( !dont_removecont) ndv_removecont(0,a);
2611: register_hcf(a);
2612: am = nd_ps[i] = ndv_dup(mod,a);
2613: ndv_mod(mod,am);
2614: ndv_removecont(mod,am);
2615: } else {
1.167 ! noro 2616: a = nd_ps[i] = ndv_dup(mod,w[i].p);
1.157 noro 2617: if ( mod || !dont_removecont ) ndv_removecont(mod,a);
2618: if ( !mod ) register_hcf(a);
2619: }
1.167 ! noro 2620: if ( GenTrace ) {
! 2621: STOQ(i,iq); STOQ(w[i].i,jq); node = mknode(3,iq,jq,ONE);
! 2622: ARG2(node) = (pointer)
! 2623: ndc_div(trace?0:mod,hc,HCU(a));
! 2624: MKLIST(l,node); NEXTNODE(nd_tracelist,tn); BDY(tn) = l;
! 2625: }
1.157 noro 2626: NEWRHist(r); SG(r) = HTD(a); ndl_copy(HDL(a),DL(r));
2627: nd_bound[i] = ndv_compute_bound(a);
2628: nd_psh[i] = r;
2629: if ( nd_demand ) {
2630: if ( trace ) {
2631: ndv_save(nd_ps_trace[i],i);
2632: nd_ps_trace[i] = 0;
2633: } else {
2634: ndv_save(nd_ps[i],i);
2635: nd_ps[i] = 0;
2636: }
2637: }
2638: }
1.167 ! noro 2639: if ( GenTrace && nd_tracelist ) NEXT(tn) = 0;
1.20 noro 2640: }
2641:
1.119 noro 2642: struct order_spec *append_block(struct order_spec *spec,
2643: int nv,int nalg,int ord);
2644:
1.121 noro 2645: extern VECT current_dl_weight_vector_obj;
2646: static VECT prev_weight_vector_obj;
2647:
1.120 noro 2648: void preprocess_algcoef(VL vv,VL av,struct order_spec *ord,LIST f,
1.157 noro 2649: struct order_spec **ord1p,LIST *f1p,NODE *alistp)
1.120 noro 2650: {
1.157 noro 2651: NODE alist,t,s,r0,r,arg;
2652: VL tv;
2653: P poly;
2654: DP d;
2655: Alg alpha,dp;
2656: DAlg inv,da,hc;
2657: MP m;
2658: int i,nvar,nalg,n;
2659: NumberField nf;
2660: LIST f1,f2;
2661: struct order_spec *current_spec;
2662: VECT obj,obj0;
2663: Obj tmp;
2664:
2665: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++);
2666: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++);
2667:
2668: for ( alist = 0, tv = av; tv; tv = NEXT(tv) ) {
2669: NEXTNODE(alist,t); MKV(tv->v,poly);
2670: MKAlg(poly,alpha); BDY(t) = (pointer)alpha;
2671: tv->v = tv->v->priv;
2672: }
2673: NEXT(t) = 0;
2674:
1.167 ! noro 2675: /* simplification, making polynomials monic */
1.157 noro 2676: setfield_dalg(alist);
2677: obj_algtodalg(f,&f1);
2678: for ( t = BDY(f); t; t = NEXT(t) ) {
2679: initd(ord); ptod(vv,vv,(P)BDY(t),&d);
2680: hc = (DAlg)BDY(d)->c;
2681: if ( NID(hc) == N_DA ) {
2682: invdalg(hc,&inv);
2683: for ( m = BDY(d); m; m = NEXT(m) ) {
2684: muldalg(inv,(DAlg)m->c,&da); m->c = (P)da;
2685: }
2686: }
2687: initd(ord); dtop(vv,vv,d,&poly); BDY(f) = (pointer)poly;
2688: }
2689: obj_dalgtoalg(f1,&f);
2690:
2691: /* append alg vars to the var list */
2692: for ( tv = vv; NEXT(tv); tv = NEXT(tv) );
2693: NEXT(tv) = av;
2694:
2695: /* append a block to ord */
2696: *ord1p = append_block(ord,nvar,nalg,2);
2697:
2698: /* create generator list */
2699: nf = get_numberfield();
2700: for ( i = nalg-1, t = BDY(f); i >= 0; i-- ) {
2701: MKAlg(nf->defpoly[i],dp);
2702: MKNODE(s,dp,t); t = s;
2703: }
2704: MKLIST(f1,t);
2705: *alistp = alist;
2706: algobjtorat(f1,f1p);
2707:
2708: /* creating a new weight vector */
2709: prev_weight_vector_obj = obj0 = current_dl_weight_vector_obj;
2710: n = nvar+nalg+1;
2711: MKVECT(obj,n);
2712: if ( obj0 && obj0->len == nvar )
2713: for ( i = 0; i < nvar; i++ ) BDY(obj)[i] = BDY(obj0)[i];
2714: else
2715: for ( i = 0; i < nvar; i++ ) BDY(obj)[i] = (pointer)ONE;
2716: for ( i = 0; i < nalg; i++ ) BDY(obj)[i+nvar] = 0;
2717: BDY(obj)[n-1] = (pointer)ONE;
2718: arg = mknode(1,obj);
2719: Pdp_set_weight(arg,&tmp);
1.121 noro 2720: }
2721:
2722: NODE postprocess_algcoef(VL av,NODE alist,NODE r)
2723: {
1.157 noro 2724: NODE s,t,u0,u;
2725: P p;
2726: VL tv;
2727: Obj obj,tmp;
2728: NODE arg;
2729:
2730: u0 = 0;
2731: for ( t = r; t; t = NEXT(t) ) {
2732: p = (P)BDY(t);
2733: for ( tv = av, s = alist; tv; tv = NEXT(tv), s = NEXT(s) ) {
2734: substr(CO,0,(Obj)p,tv->v,(Obj)BDY(s),&obj); p = (P)obj;
2735: }
2736: if ( OID(p) == O_P || (OID(p) == O_N && NID((Num)p) != N_A) ) {
2737: NEXTNODE(u0,u);
2738: BDY(u) = (pointer)p;
2739: }
2740: }
2741: arg = mknode(1,prev_weight_vector_obj);
2742: Pdp_set_weight(arg,&tmp);
1.121 noro 2743:
1.157 noro 2744: return u0;
1.120 noro 2745: }
2746:
1.63 noro 2747: void nd_gr(LIST f,LIST v,int m,int f4,struct order_spec *ord,LIST *rp)
1.1 noro 2748: {
1.157 noro 2749: VL tv,fv,vv,vc,av;
2750: NODE fd,fd0,r,r0,t,x,s,xx,alist;
2751: int e,max,nvar,i;
2752: NDV b;
2753: int ishomo,nalg,mrank,trank;
2754: Alg alpha,dp;
2755: P p,zp;
2756: Q dmy;
2757: LIST f1,f2,zpl;
2758: Obj obj;
2759: NumberField nf;
2760: struct order_spec *ord1;
1.167 ! noro 2761: NODE tr,tl1,tl2;
! 2762: LIST l1,l2,l3;
! 2763: int j;
! 2764: Q jq;
! 2765: int *perm;
1.1 noro 2766:
1.167 ! noro 2767: nd_module = 0;
1.157 noro 2768: if ( !m && Demand ) nd_demand = 1;
2769: else nd_demand = 0;
1.78 noro 2770:
1.157 noro 2771: if ( DP_Multiple )
2772: nd_scale = ((double)DP_Multiple)/(double)(Denominator?Denominator:1);
1.103 noro 2773: #if 0
1.157 noro 2774: ndv_alloc = 0;
1.103 noro 2775: #endif
1.157 noro 2776: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
2777: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
2778: switch ( ord->id ) {
2779: case 1:
2780: if ( ord->nv != nvar )
2781: error("nd_{gr,f4} : invalid order specification");
2782: break;
2783: default:
2784: break;
2785: }
2786: nd_nalg = 0;
2787: av = 0;
2788: if ( !m ) {
2789: get_algtree((Obj)f,&av);
2790: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
2791: nd_ntrans = nvar;
2792: nd_nalg = nalg;
2793: /* #i -> t#i */
2794: if ( nalg ) {
2795: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
2796: ord = ord1;
2797: f = f1;
2798: }
2799: nvar += nalg;
2800: }
2801: nd_init_ord(ord);
2802: mrank = 0;
2803: for ( t = BDY(f), max = 0; t; t = NEXT(t) )
2804: for ( tv = vv; tv; tv = NEXT(tv) ) {
2805: if ( nd_module ) {
2806: s = BDY((LIST)BDY(t));
2807: trank = length(s);
2808: mrank = MAX(mrank,trank);
2809: for ( ; s; s = NEXT(s) ) {
2810: e = getdeg(tv->v,(P)BDY(s));
2811: max = MAX(e,max);
2812: }
2813: } else {
2814: e = getdeg(tv->v,(P)BDY(t));
2815: max = MAX(e,max);
2816: }
2817: }
2818: nd_setup_parameters(nvar,max);
2819: ishomo = 1;
2820: for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
1.167 ! noro 2821: if ( nd_module ) {
! 2822: if ( !m && !GenTrace ) pltozpl((LIST)BDY(t),&dmy,&zpl);
! 2823: else zpl = (LIST)BDY(t);
1.157 noro 2824: b = (pointer)pltondv(CO,vv,zpl);
2825: } else {
1.167 ! noro 2826: if ( !m && !GenTrace ) ptozp((P)BDY(t),1,&dmy,&zp);
! 2827: else zp = (P)BDY(t);
1.157 noro 2828: b = (pointer)ptondv(CO,vv,zp);
1.167 ! noro 2829: }
1.157 noro 2830: if ( ishomo )
2831: ishomo = ishomo && ndv_ishomo(b);
2832: if ( m ) ndv_mod(m,b);
2833: if ( b ) { NEXTNODE(fd0,fd); BDY(fd) = (pointer)b; }
2834: }
2835: if ( fd0 ) NEXT(fd) = 0;
2836: ndv_setup(m,0,fd0,0,0);
1.167 ! noro 2837: if ( GenTrace ) {
! 2838: MKLIST(l1,nd_tracelist); MKNODE(nd_alltracelist,l1,0);
! 2839: }
! 2840: x = f4?nd_f4(m,&perm):nd_gb(m,ishomo,0,&perm);
1.157 noro 2841: nd_demand = 0;
1.167 ! noro 2842: x = ndv_reducebase(x,perm);
! 2843: if ( GenTrace ) { tl1 = nd_alltracelist; nd_alltracelist = 0; }
1.157 noro 2844: x = ndv_reduceall(m,x);
2845: for ( r0 = 0, t = x; t; t = NEXT(t) ) {
2846: NEXTNODE(r0,r);
1.167 ! noro 2847: if ( nd_module ) BDY(r) = ndvtopl(m,CO,vv,BDY(t),mrank);
1.157 noro 2848: else BDY(r) = ndvtop(m,CO,vv,BDY(t));
2849: }
2850: if ( r0 ) NEXT(r) = 0;
2851: if ( nalg )
2852: r0 = postprocess_algcoef(av,alist,r0);
2853: MKLIST(*rp,r0);
1.167 ! noro 2854: if ( GenTrace ) {
! 2855: tl2 = nd_alltracelist; nd_alltracelist = 0;
! 2856: tl1 = reverse_node(tl1); tl2 = reverse_node(tl2);
! 2857: /* tl2 = [[i,[[*,j,*,*],...]],...] */
! 2858: for ( t = tl2; t; t = NEXT(t) ) {
! 2859: /* s = [i,[*,j,*,*],...] */
! 2860: s = BDY((LIST)BDY(t));
! 2861: j = perm[QTOS((Q)ARG0(s))]; STOQ(j,jq); ARG0(s) = (pointer)jq;
! 2862: for ( s = BDY((LIST)ARG1(s)); s; s = NEXT(s) ) {
! 2863: j = perm[QTOS((Q)ARG1(BDY((LIST)BDY(s))))]; STOQ(j,jq);
! 2864: ARG1(BDY((LIST)BDY(s))) = (pointer)jq;
! 2865: }
! 2866: }
! 2867: for ( j = length(x)-1, t = 0; j >= 0; j-- ) {
! 2868: STOQ(perm[j],jq); MKNODE(s,jq,t); t = s;
! 2869: }
! 2870: MKLIST(l1,tl1); MKLIST(l2,tl2); MKLIST(l3,t);
! 2871: tr = mknode(5,*rp,0,l1,l2,l3); MKLIST(*rp,tr);
! 2872: }
1.103 noro 2873: #if 0
1.157 noro 2874: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
1.103 noro 2875: #endif
1.127 noro 2876: }
2877:
2878: void nd_gr_postproc(LIST f,LIST v,int m,struct order_spec *ord,int do_check,LIST *rp)
2879: {
1.157 noro 2880: VL tv,fv,vv,vc,av;
2881: NODE fd,fd0,r,r0,t,x,s,xx,alist;
2882: int e,max,nvar,i;
2883: NDV b;
2884: int ishomo,nalg;
2885: Alg alpha,dp;
2886: P p,zp;
2887: Q dmy;
2888: LIST f1,f2;
2889: Obj obj;
2890: NumberField nf;
2891: struct order_spec *ord1;
1.167 ! noro 2892: int *perm;
1.157 noro 2893:
2894: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
2895: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
2896: switch ( ord->id ) {
2897: case 1:
2898: if ( ord->nv != nvar )
2899: error("nd_check : invalid order specification");
2900: break;
2901: default:
2902: break;
2903: }
2904: nd_nalg = 0;
2905: av = 0;
2906: if ( !m ) {
2907: get_algtree((Obj)f,&av);
2908: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
2909: nd_ntrans = nvar;
2910: nd_nalg = nalg;
2911: /* #i -> t#i */
2912: if ( nalg ) {
2913: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
2914: ord = ord1;
2915: f = f1;
2916: }
2917: nvar += nalg;
2918: }
2919: nd_init_ord(ord);
2920: for ( t = BDY(f), max = 0; t; t = NEXT(t) )
2921: for ( tv = vv; tv; tv = NEXT(tv) ) {
2922: e = getdeg(tv->v,(P)BDY(t));
2923: max = MAX(e,max);
2924: }
2925: nd_setup_parameters(nvar,max);
2926: ishomo = 1;
2927: for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
2928: ptozp((P)BDY(t),1,&dmy,&zp);
2929: b = (pointer)ptondv(CO,vv,zp);
2930: if ( ishomo )
2931: ishomo = ishomo && ndv_ishomo(b);
2932: if ( m ) ndv_mod(m,b);
2933: if ( b ) { NEXTNODE(fd0,fd); BDY(fd) = (pointer)b; }
2934: }
2935: if ( fd0 ) NEXT(fd) = 0;
2936: ndv_setup(m,0,fd0,0,1);
2937: for ( x = 0, i = 0; i < nd_psn; i++ )
2938: x = update_base(x,i);
2939: if ( do_check ) {
1.167 ! noro 2940: x = nd_gb(m,ishomo,1,&perm);
1.157 noro 2941: if ( !x ) {
2942: *rp = 0;
2943: return;
2944: }
2945: } else {
2946: for ( t = x; t; t = NEXT(t) )
1.159 noro 2947: BDY(t) = (pointer)nd_ps[(long)BDY(t)];
1.157 noro 2948: }
1.167 ! noro 2949: x = ndv_reducebase(x,perm);
1.157 noro 2950: x = ndv_reduceall(m,x);
2951: for ( r0 = 0, t = x; t; t = NEXT(t) ) {
2952: NEXTNODE(r0,r);
2953: BDY(r) = ndvtop(m,CO,vv,BDY(t));
2954: }
2955: if ( r0 ) NEXT(r) = 0;
2956: if ( nalg )
2957: r0 = postprocess_algcoef(av,alist,r0);
2958: MKLIST(*rp,r0);
1.20 noro 2959: }
2960:
1.133 noro 2961: void nd_gr_trace(LIST f,LIST v,int trace,int homo,int f4,struct order_spec *ord,LIST *rp)
1.20 noro 2962: {
1.157 noro 2963: VL tv,fv,vv,vc,av;
2964: NODE fd,fd0,in0,in,r,r0,t,s,cand,alist;
2965: int m,nocheck,nvar,mindex,e,max;
2966: NDV c;
2967: NMV a;
2968: P p,zp;
2969: Q dmy;
2970: EPOS oepos;
1.164 noro 2971: int obpe,oadv,wmax,i,len,cbpe,ishomo,nalg,mrank,trank,ompos;
1.157 noro 2972: Alg alpha,dp;
2973: P poly;
1.158 noro 2974: LIST f1,f2,zpl;
1.157 noro 2975: Obj obj;
2976: NumberField nf;
2977: struct order_spec *ord1;
2978: struct oEGT eg_check,eg0,eg1;
1.167 ! noro 2979: NODE tr,tl1,tl2;
! 2980: LIST l1,l2,l3;
! 2981: int *perm;
! 2982: int j;
! 2983: Q jq;
1.157 noro 2984:
1.167 ! noro 2985: nd_module = 0;
1.157 noro 2986: if ( DP_Multiple )
2987: nd_scale = ((double)DP_Multiple)/(double)(Denominator?Denominator:1);
2988:
2989: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
2990: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
2991: switch ( ord->id ) {
2992: case 1:
2993: if ( ord->nv != nvar )
2994: error("nd_gr_trace : invalid order specification");
2995: break;
2996: default:
2997: break;
2998: }
2999:
3000: get_algtree((Obj)f,&av);
3001: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
3002: nd_ntrans = nvar;
3003: nd_nalg = nalg;
3004: /* #i -> t#i */
3005: if ( nalg ) {
3006: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
3007: ord = ord1;
3008: f = f1;
3009: }
3010: nvar += nalg;
3011:
3012: nocheck = 0;
3013: mindex = 0;
3014:
3015: if ( Demand ) nd_demand = 1;
3016: else nd_demand = 0;
3017:
3018: /* setup modulus */
3019: if ( trace < 0 ) {
3020: trace = -trace;
3021: nocheck = 1;
3022: }
3023: m = trace > 1 ? trace : get_lprime(mindex);
1.158 noro 3024: nd_init_ord(ord);
3025: mrank = 0;
1.157 noro 3026: for ( t = BDY(f), max = 0; t; t = NEXT(t) )
3027: for ( tv = vv; tv; tv = NEXT(tv) ) {
1.158 noro 3028: if ( nd_module ) {
3029: s = BDY((LIST)BDY(t));
3030: trank = length(s);
3031: mrank = MAX(mrank,trank);
3032: for ( ; s; s = NEXT(s) ) {
3033: e = getdeg(tv->v,(P)BDY(s));
3034: max = MAX(e,max);
3035: }
3036: } else {
3037: e = getdeg(tv->v,(P)BDY(t));
3038: max = MAX(e,max);
3039: }
1.157 noro 3040: }
3041: nd_setup_parameters(nvar,max);
1.164 noro 3042: obpe = nd_bpe; oadv = nmv_adv; oepos = nd_epos; ompos = nd_mpos;
1.157 noro 3043: ishomo = 1;
3044: for ( in0 = 0, fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
1.167 ! noro 3045: if ( nd_module ) {
! 3046: if ( !GenTrace ) pltozpl((LIST)BDY(t),&dmy,&zpl);
! 3047: else zpl = (LIST)BDY(t);
1.158 noro 3048: c = (pointer)pltondv(CO,vv,zpl);
3049: } else {
1.167 ! noro 3050: if ( !GenTrace ) ptozp((P)BDY(t),1,&dmy,&zp);
! 3051: else zp = (P)BDY(t);
1.158 noro 3052: c = (pointer)ptondv(CO,vv,zp);
1.167 ! noro 3053: }
1.157 noro 3054: if ( ishomo )
3055: ishomo = ishomo && ndv_ishomo(c);
3056: if ( c ) {
3057: NEXTNODE(in0,in); BDY(in) = (pointer)c;
3058: NEXTNODE(fd0,fd); BDY(fd) = (pointer)ndv_dup(0,c);
3059: }
3060: }
3061: if ( in0 ) NEXT(in) = 0;
3062: if ( fd0 ) NEXT(fd) = 0;
3063: if ( !ishomo && homo ) {
3064: for ( t = in0, wmax = max; t; t = NEXT(t) ) {
3065: c = (NDV)BDY(t); len = LEN(c);
3066: for ( a = BDY(c), i = 0; i < len; i++, NMV_ADV(a) )
3067: wmax = MAX(TD(DL(a)),wmax);
3068: }
3069: homogenize_order(ord,nvar,&ord1);
3070: nd_init_ord(ord1);
3071: nd_setup_parameters(nvar+1,wmax);
3072: for ( t = fd0; t; t = NEXT(t) )
1.164 noro 3073: ndv_homogenize((NDV)BDY(t),obpe,oadv,oepos,ompos);
1.157 noro 3074: }
3075: while ( 1 ) {
3076: if ( Demand )
3077: nd_demand = 1;
3078: ndv_setup(m,1,fd0,0,0);
1.167 ! noro 3079: if ( GenTrace ) {
! 3080: MKLIST(l1,nd_tracelist); MKNODE(nd_alltracelist,l1,0);
! 3081: }
! 3082: cand = f4?nd_f4_trace(m,&perm):nd_gb_trace(m,ishomo || homo,&perm);
1.157 noro 3083: if ( !cand ) {
3084: /* failure */
3085: if ( trace > 1 ) { *rp = 0; return; }
3086: else m = get_lprime(++mindex);
3087: continue;
3088: }
3089: if ( !ishomo && homo ) {
3090: /* dehomogenization */
3091: for ( t = cand; t; t = NEXT(t) ) ndv_dehomogenize((NDV)BDY(t),ord);
3092: nd_init_ord(ord);
3093: nd_setup_parameters(nvar,0);
3094: }
3095: nd_demand = 0;
1.167 ! noro 3096: cand = ndv_reducebase(cand,perm);
! 3097: if ( GenTrace ) { tl1 = nd_alltracelist; nd_alltracelist = 0; }
1.157 noro 3098: cand = ndv_reduceall(0,cand);
3099: cbpe = nd_bpe;
1.167 ! noro 3100: if ( GenTrace ) { tl2 = nd_alltracelist; nd_alltracelist = 0; }
1.157 noro 3101: if ( nocheck )
3102: break;
3103: get_eg(&eg0);
3104: if ( ndv_check_candidate(in0,obpe,oadv,oepos,cand) )
3105: /* success */
3106: break;
3107: else if ( trace > 1 ) {
3108: /* failure */
3109: *rp = 0; return;
3110: } else {
3111: /* try the next modulus */
3112: m = get_lprime(++mindex);
3113: /* reset the parameters */
3114: if ( !ishomo && homo ) {
3115: nd_init_ord(ord1);
3116: nd_setup_parameters(nvar+1,wmax);
3117: } else {
3118: nd_init_ord(ord);
3119: nd_setup_parameters(nvar,max);
3120: }
3121: }
3122: }
3123: get_eg(&eg1); init_eg(&eg_check); add_eg(&eg_check,&eg0,&eg1);
3124: if ( DP_Print )
3125: fprintf(asir_out,"check=%fsec\n",eg_check.exectime+eg_check.gctime);
3126: /* dp->p */
3127: nd_bpe = cbpe;
3128: nd_setup_parameters(nd_nvar,0);
1.158 noro 3129: for ( r = cand; r; r = NEXT(r) ) {
1.167 ! noro 3130: if ( nd_module ) BDY(r) = ndvtopl(0,CO,vv,BDY(r),mrank);
1.158 noro 3131: else BDY(r) = (pointer)ndvtop(0,CO,vv,BDY(r));
3132: }
1.157 noro 3133: if ( nalg )
3134: cand = postprocess_algcoef(av,alist,cand);
3135: MKLIST(*rp,cand);
1.167 ! noro 3136: if ( GenTrace ) {
! 3137: tl1 = reverse_node(tl1); tl2 = reverse_node(tl2);
! 3138: /* tl2 = [[i,[[*,j,*,*],...]],...] */
! 3139: for ( t = tl2; t; t = NEXT(t) ) {
! 3140: /* s = [i,[*,j,*,*],...] */
! 3141: s = BDY((LIST)BDY(t));
! 3142: j = perm[QTOS((Q)ARG0(s))]; STOQ(j,jq); ARG0(s) = (pointer)jq;
! 3143: for ( s = BDY((LIST)ARG1(s)); s; s = NEXT(s) ) {
! 3144: j = perm[QTOS((Q)ARG1(BDY((LIST)BDY(s))))]; STOQ(j,jq);
! 3145: ARG1(BDY((LIST)BDY(s))) = (pointer)jq;
! 3146: }
! 3147: }
! 3148: for ( j = length(cand)-1, t = 0; j >= 0; j-- ) {
! 3149: STOQ(perm[j],jq); MKNODE(s,jq,t); t = s;
! 3150: }
! 3151: MKLIST(l1,tl1); MKLIST(l2,tl2); MKLIST(l3,t);
! 3152: tr = mknode(5,*rp,homo?ONE:0,l1,l2,l3); MKLIST(*rp,tr);
! 3153: }
1.157 noro 3154: }
1.52 noro 3155:
1.157 noro 3156: /* XXX : module element is not considered */
1.1 noro 3157:
1.61 noro 3158: void dltondl(int n,DL dl,UINT *r)
1.1 noro 3159: {
1.157 noro 3160: UINT *d;
3161: int i,j,l,s,ord_l;
3162: struct order_pair *op;
3163:
3164: d = dl->d;
3165: for ( i = 0; i < nd_wpd; i++ ) r[i] = 0;
3166: if ( nd_blockmask ) {
3167: l = nd_blockmask->n;
3168: op = nd_blockmask->order_pair;
3169: for ( j = 0, s = 0; j < l; j++ ) {
3170: ord_l = op[j].length;
3171: for ( i = 0; i < ord_l; i++, s++ ) PUT_EXP(r,s,d[s]);
3172: }
3173: TD(r) = ndl_weight(r);
3174: ndl_weight_mask(r);
3175: } else {
3176: for ( i = 0; i < n; i++ ) PUT_EXP(r,i,d[i]);
3177: TD(r) = ndl_weight(r);
3178: }
1.1 noro 3179: }
3180:
1.61 noro 3181: DL ndltodl(int n,UINT *ndl)
1.1 noro 3182: {
1.157 noro 3183: DL dl;
3184: int *d;
3185: int i,j,l,s,ord_l;
3186: struct order_pair *op;
3187:
3188: NEWDL(dl,n);
3189: dl->td = TD(ndl);
3190: d = dl->d;
3191: if ( nd_blockmask ) {
3192: l = nd_blockmask->n;
3193: op = nd_blockmask->order_pair;
3194: for ( j = 0, s = 0; j < l; j++ ) {
3195: ord_l = op[j].length;
3196: for ( i = 0; i < ord_l; i++, s++ ) d[s] = GET_EXP(ndl,s);
3197: }
3198: } else {
3199: for ( i = 0; i < n; i++ ) d[i] = GET_EXP(ndl,i);
3200: }
3201: return dl;
1.1 noro 3202: }
3203:
1.167 ! noro 3204: void nmtodp(int mod,NM m,DP *r)
! 3205: {
! 3206: DP dp;
! 3207: MP mr;
! 3208:
! 3209: NEWMP(mr);
! 3210: mr->dl = ndltodl(nd_nvar,DL(m));
! 3211: mr->c = ndctop(mod,m->c);
! 3212: NEXT(mr) = 0; MKDP(nd_nvar,mr,dp); dp->sugar = mr->dl->td;
! 3213: *r = dp;
! 3214: }
! 3215:
1.61 noro 3216: void ndl_print(UINT *dl)
1.1 noro 3217: {
1.157 noro 3218: int n;
3219: int i,j,l,ord_l,s,s0;
3220: struct order_pair *op;
3221:
3222: n = nd_nvar;
3223: printf("<<");
3224: if ( nd_blockmask ) {
3225: l = nd_blockmask->n;
3226: op = nd_blockmask->order_pair;
3227: for ( j = 0, s = s0 = 0; j < l; j++ ) {
3228: ord_l = op[j].length;
3229: for ( i = 0; i < ord_l; i++, s++ )
3230: printf(s==n-1?"%d":"%d,",GET_EXP(dl,s));
3231: }
3232: } else {
3233: for ( i = 0; i < n; i++ ) printf(i==n-1?"%d":"%d,",GET_EXP(dl,i));
3234: }
3235: printf(">>");
3236: if ( MPOS(dl) )
3237: printf("*e%d",MPOS(dl));
1.1 noro 3238: }
3239:
3240: void nd_print(ND p)
3241: {
1.157 noro 3242: NM m;
1.1 noro 3243:
1.157 noro 3244: if ( !p )
3245: printf("0\n");
3246: else {
3247: for ( m = BDY(p); m; m = NEXT(m) ) {
3248: if ( CM(m) & 0x80000000 ) printf("+@_%d*",IFTOF(CM(m)));
3249: else printf("+%d*",CM(m));
3250: ndl_print(DL(m));
3251: }
3252: printf("\n");
3253: }
1.1 noro 3254: }
3255:
1.113 noro 3256: void nd_print_q(ND p)
1.16 noro 3257: {
1.157 noro 3258: NM m;
1.16 noro 3259:
1.157 noro 3260: if ( !p )
3261: printf("0\n");
3262: else {
3263: for ( m = BDY(p); m; m = NEXT(m) ) {
3264: printf("+");
3265: printexpr(CO,(Obj)CQ(m));
3266: printf("*");
3267: ndl_print(DL(m));
3268: }
3269: printf("\n");
3270: }
1.16 noro 3271: }
3272:
1.1 noro 3273: void ndp_print(ND_pairs d)
3274: {
1.157 noro 3275: ND_pairs t;
1.1 noro 3276:
1.157 noro 3277: for ( t = d; t; t = NEXT(t) ) printf("%d,%d ",t->i1,t->i2);
3278: printf("\n");
1.1 noro 3279: }
3280:
1.20 noro 3281: void nd_removecont(int mod,ND p)
1.16 noro 3282: {
1.157 noro 3283: int i,n;
3284: Q *w;
3285: Q dvr,t;
3286: NM m;
3287: struct oVECT v;
3288: N q,r;
3289:
3290: if ( mod == -1 ) nd_mul_c(mod,p,_invsf(HCM(p)));
3291: else if ( mod ) nd_mul_c(mod,p,invm(HCM(p),mod));
3292: else {
3293: for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ );
3294: w = (Q *)ALLOCA(n*sizeof(Q));
3295: v.len = n;
3296: v.body = (pointer *)w;
3297: for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) w[i] = CQ(m);
3298: removecont_array((P *)w,n,1);
3299: for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) CQ(m) = w[i];
3300: }
1.16 noro 3301: }
3302:
1.21 noro 3303: void nd_removecont2(ND p1,ND p2)
3304: {
1.157 noro 3305: int i,n1,n2,n;
3306: Q *w;
3307: Q dvr,t;
3308: NM m;
3309: struct oVECT v;
3310: N q,r;
3311:
3312: n1 = nd_length(p1);
3313: n2 = nd_length(p2);
3314: n = n1+n2;
3315: w = (Q *)ALLOCA(n*sizeof(Q));
3316: v.len = n;
3317: v.body = (pointer *)w;
3318: i = 0;
3319: if ( p1 )
3320: for ( m = BDY(p1); i < n1; m = NEXT(m), i++ ) w[i] = CQ(m);
3321: if ( p2 )
3322: for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) w[i] = CQ(m);
3323: removecont_array((P *)w,n,1);
3324: i = 0;
3325: if ( p1 )
3326: for ( m = BDY(p1); i < n1; m = NEXT(m), i++ ) CQ(m) = w[i];
3327: if ( p2 )
3328: for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) CQ(m) = w[i];
1.21 noro 3329: }
3330:
1.20 noro 3331: void ndv_removecont(int mod,NDV p)
1.16 noro 3332: {
1.157 noro 3333: int i,len,all_p;
3334: Q *c;
3335: P *w;
3336: Q dvr,t;
3337: P g,cont,tp;
3338: NMV m;
3339:
3340: if ( mod == -1 )
3341: ndv_mul_c(mod,p,_invsf(HCM(p)));
3342: else if ( mod )
3343: ndv_mul_c(mod,p,invm(HCM(p),mod));
3344: else {
3345: len = p->len;
3346: w = (P *)ALLOCA(len*sizeof(P));
3347: c = (Q *)ALLOCA(len*sizeof(Q));
3348: for ( m = BDY(p), all_p = 1, i = 0; i < len; NMV_ADV(m), i++ ) {
3349: ptozp(CP(m),1,&c[i],&w[i]);
3350: all_p = all_p && !NUM(w[i]);
3351: }
3352: if ( all_p ) {
3353: qltozl(c,len,&dvr); nd_heu_nezgcdnpz(nd_vc,w,len,1,&g);
3354: mulp(nd_vc,(P)dvr,g,&cont);
3355: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) {
3356: divsp(nd_vc,CP(m),cont,&tp); CP(m) = tp;
3357: }
3358: } else {
3359: sortbynm((Q *)c,len);
3360: qltozl((Q *)c,len,&dvr);
3361: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) {
3362: divsp(nd_vc,CP(m),(P)dvr,&tp); CP(m) = tp;
3363: }
3364: }
3365: }
1.21 noro 3366: }
3367:
1.157 noro 3368: /* koko */
3369:
1.164 noro 3370: void ndv_homogenize(NDV p,int obpe,int oadv,EPOS oepos,int ompos)
1.61 noro 3371: {
1.157 noro 3372: int len,i,max;
3373: NMV m,mr0,mr,t;
1.61 noro 3374:
1.157 noro 3375: len = p->len;
3376: for ( m = BDY(p), i = 0, max = 0; i < len; NMV_OADV(m), i++ )
3377: max = MAX(max,TD(DL(m)));
3378: mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p);
3379: m = (NMV)((char *)mr0+(len-1)*oadv);
3380: mr = (NMV)((char *)mr0+(len-1)*nmv_adv);
3381: t = (NMV)ALLOCA(nmv_adv);
3382: for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {
1.164 noro 3383: ndl_homogenize(DL(m),DL(t),obpe,oepos,ompos,max);
1.157 noro 3384: CQ(mr) = CQ(m);
3385: ndl_copy(DL(t),DL(mr));
3386: }
3387: NV(p)++;
3388: BDY(p) = mr0;
1.61 noro 3389: }
3390:
1.45 noro 3391: void ndv_dehomogenize(NDV p,struct order_spec *ord)
1.23 noro 3392: {
1.164 noro 3393: int i,j,adj,len,newnvar,newwpd,newadv,newexporigin,newmpos;
1.167 ! noro 3394: int pos;
1.157 noro 3395: Q *w;
3396: Q dvr,t;
3397: NMV m,r;
3398:
3399: len = p->len;
3400: newnvar = nd_nvar-1;
3401: newexporigin = nd_get_exporigin(ord);
1.167 ! noro 3402: if ( nd_module ) newmpos = newexporigin-1;
1.157 noro 3403: newwpd = newnvar/nd_epw+(newnvar%nd_epw?1:0)+newexporigin;
3404: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ )
3405: ndl_dehomogenize(DL(m));
3406: if ( newwpd != nd_wpd ) {
3407: newadv = ROUND_FOR_ALIGN(sizeof(struct oNMV)+(newwpd-1)*sizeof(UINT));
3408: for ( m = r = BDY(p), i = 0; i < len; NMV_ADV(m), NDV_NADV(r), i++ ) {
3409: CQ(r) = CQ(m);
1.167 ! noro 3410: if ( nd_module ) pos = MPOS(DL(m));
1.157 noro 3411: for ( j = 0; j < newexporigin; j++ ) DL(r)[j] = DL(m)[j];
3412: adj = nd_exporigin-newexporigin;
3413: for ( ; j < newwpd; j++ ) DL(r)[j] = DL(m)[j+adj];
1.167 ! noro 3414: if ( nd_module ) {
! 3415: DL(r)[newmpos] = pos;
! 3416: }
1.157 noro 3417: }
3418: }
3419: NV(p)--;
1.23 noro 3420: }
3421:
1.150 noro 3422: void nd_heu_nezgcdnpz(VL vl,P *pl,int m,int full,P *pr)
3423: {
1.157 noro 3424: int i;
3425: P *tpl,*tpl1;
3426: NODE l;
3427: P h,gcd,t;
3428:
3429: tpl = (P *)ALLOCA(m*sizeof(P));
3430: tpl1 = (P *)ALLOCA(m*sizeof(P));
3431: bcopy(pl,tpl,m*sizeof(P));
3432: gcd = (P)ONE;
3433: for ( l = nd_hcf; l; l = NEXT(l) ) {
3434: h = (P)BDY(l);
3435: while ( 1 ) {
3436: for ( i = 0; i < m; i++ )
3437: if ( !divtpz(vl,tpl[i],h,&tpl1[i]) )
3438: break;
3439: if ( i == m ) {
3440: bcopy(tpl1,tpl,m*sizeof(P));
3441: mulp(vl,gcd,h,&t); gcd = t;
3442: } else
3443: break;
3444: }
3445: }
3446: if ( DP_Print > 2 ){fprintf(asir_out,"[%d]",nmonop(gcd)); fflush(asir_out);}
3447: if ( full ) {
3448: heu_nezgcdnpz(vl,tpl,m,&t);
3449: mulp(vl,gcd,t,pr);
3450: } else
3451: *pr = gcd;
1.150 noro 3452: }
3453:
3454: void removecont_array(P *p,int n,int full)
1.146 noro 3455: {
1.157 noro 3456: int all_p,all_q,i;
3457: Q *c;
3458: P *w;
3459: P t,s;
3460:
3461: for ( all_q = 1, i = 0; i < n; i++ )
3462: all_q = all_q && NUM(p[i]);
3463: if ( all_q ) {
3464: removecont_array_q((Q *)p,n);
3465: } else {
3466: c = (Q *)ALLOCA(n*sizeof(Q));
3467: w = (P *)ALLOCA(n*sizeof(P));
3468: for ( i = 0; i < n; i++ ) {
3469: ptozp(p[i],1,&c[i],&w[i]);
3470: }
3471: removecont_array_q(c,n);
3472: nd_heu_nezgcdnpz(nd_vc,w,n,full,&t);
3473: for ( i = 0; i < n; i++ ) {
3474: divsp(nd_vc,w[i],t,&s); mulp(nd_vc,s,(P)c[i],&p[i]);
3475: }
3476: }
1.146 noro 3477: }
3478:
3479: void removecont_array_q(Q *c,int n)
1.21 noro 3480: {
1.157 noro 3481: struct oVECT v;
3482: Q d0,d1,a,u,u1,gcd;
3483: int i,j;
3484: N qn,rn,gn;
3485: Q *q,*r;
3486:
3487: q = (Q *)ALLOCA(n*sizeof(Q));
3488: r = (Q *)ALLOCA(n*sizeof(Q));
3489: v.id = O_VECT; v.len = n; v.body = (pointer *)c;
3490: igcdv_estimate(&v,&d0);
3491: for ( i = 0; i < n; i++ ) {
3492: divn(NM(c[i]),NM(d0),&qn,&rn);
3493: NTOQ(qn,SGN(c[i])*SGN(d0),q[i]);
3494: NTOQ(rn,SGN(c[i]),r[i]);
3495: }
3496: for ( i = 0; i < n; i++ ) if ( r[i] ) break;
3497: if ( i < n ) {
3498: v.id = O_VECT; v.len = n; v.body = (pointer *)r;
3499: igcdv(&v,&d1);
3500: gcdn(NM(d0),NM(d1),&gn); NTOQ(gn,1,gcd);
3501: divsn(NM(d0),gn,&qn); NTOQ(qn,1,a);
3502: for ( i = 0; i < n; i++ ) {
3503: mulq(a,q[i],&u);
3504: if ( r[i] ) {
3505: divsn(NM(r[i]),gn,&qn); NTOQ(qn,SGN(r[i]),u1);
3506: addq(u,u1,&q[i]);
3507: } else
3508: q[i] = u;
3509: }
3510: }
3511: for ( i = 0; i < n; i++ ) c[i] = q[i];
1.16 noro 3512: }
3513:
1.19 noro 3514: void nd_mul_c(int mod,ND p,int mul)
1.1 noro 3515: {
1.157 noro 3516: NM m;
3517: int c,c1;
1.1 noro 3518:
1.157 noro 3519: if ( !p ) return;
3520: if ( mul == 1 ) return;
3521: if ( mod == -1 )
3522: for ( m = BDY(p); m; m = NEXT(m) )
3523: CM(m) = _mulsf(CM(m),mul);
3524: else
3525: for ( m = BDY(p); m; m = NEXT(m) ) {
3526: c1 = CM(m); DMAR(c1,mul,0,mod,c); CM(m) = c;
3527: }
1.1 noro 3528: }
3529:
1.146 noro 3530: void nd_mul_c_q(ND p,P mul)
1.16 noro 3531: {
1.157 noro 3532: NM m;
3533: P c;
1.16 noro 3534:
1.157 noro 3535: if ( !p ) return;
3536: if ( UNIQ(mul) ) return;
3537: for ( m = BDY(p); m; m = NEXT(m) ) {
3538: mulp(nd_vc,CP(m),mul,&c); CP(m) = c;
3539: }
1.16 noro 3540: }
3541:
1.61 noro 3542: void nd_mul_c_p(VL vl,ND p,P mul)
3543: {
1.157 noro 3544: NM m;
3545: P c;
1.61 noro 3546:
1.157 noro 3547: if ( !p ) return;
3548: for ( m = BDY(p); m; m = NEXT(m) ) {
3549: mulp(vl,CP(m),mul,&c); CP(m) = c;
3550: }
1.61 noro 3551: }
3552:
1.1 noro 3553: void nd_free(ND p)
3554: {
1.157 noro 3555: NM t,s;
1.1 noro 3556:
1.157 noro 3557: if ( !p ) return;
3558: t = BDY(p);
3559: while ( t ) {
3560: s = NEXT(t);
3561: FREENM(t);
3562: t = s;
3563: }
3564: FREEND(p);
1.1 noro 3565: }
3566:
1.23 noro 3567: void ndv_free(NDV p)
3568: {
1.157 noro 3569: GC_free(BDY(p));
1.23 noro 3570: }
3571:
1.61 noro 3572: void nd_append_red(UINT *d,int i)
1.1 noro 3573: {
1.157 noro 3574: RHist m,m0;
3575: int h;
1.1 noro 3576:
1.157 noro 3577: NEWRHist(m);
3578: h = ndl_hash_value(d);
3579: m->index = i;
3580: ndl_copy(d,DL(m));
3581: NEXT(m) = nd_red[h];
3582: nd_red[h] = m;
1.1 noro 3583: }
3584:
1.61 noro 3585: UINT *ndv_compute_bound(NDV p)
1.1 noro 3586: {
1.157 noro 3587: UINT *d1,*d2,*t;
3588: UINT u;
3589: int i,j,k,l,len,ind;
3590: NMV m;
3591:
3592: if ( !p )
3593: return 0;
3594: d1 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3595: d2 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3596: len = LEN(p);
3597: m = BDY(p); ndl_copy(DL(m),d1); NMV_ADV(m);
3598: for ( i = 1; i < len; i++, NMV_ADV(m) ) {
1.159 noro 3599: ndl_max(DL(m),d1,d2);
1.157 noro 3600: t = d1; d1 = d2; d2 = t;
3601: }
3602: l = nd_nvar+31;
3603: t = (UINT *)MALLOC_ATOMIC(l*sizeof(UINT));
3604: for ( i = nd_exporigin, ind = 0; i < nd_wpd; i++ ) {
3605: u = d1[i];
3606: k = (nd_epw-1)*nd_bpe;
3607: for ( j = 0; j < nd_epw; j++, k -= nd_bpe, ind++ )
3608: t[ind] = (u>>k)&nd_mask0;
3609: }
3610: for ( ; ind < l; ind++ ) t[ind] = 0;
3611: return t;
1.1 noro 3612: }
3613:
1.99 noro 3614: UINT *nd_compute_bound(ND p)
3615: {
1.157 noro 3616: UINT *d1,*d2,*t;
3617: UINT u;
3618: int i,j,k,l,len,ind;
3619: NM m;
3620:
3621: if ( !p )
3622: return 0;
3623: d1 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3624: d2 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3625: len = LEN(p);
3626: m = BDY(p); ndl_copy(DL(m),d1); m = NEXT(m);
3627: for ( m = NEXT(m); m; m = NEXT(m) ) {
3628: ndl_lcm(DL(m),d1,d2);
3629: t = d1; d1 = d2; d2 = t;
3630: }
3631: l = nd_nvar+31;
3632: t = (UINT *)MALLOC_ATOMIC(l*sizeof(UINT));
3633: for ( i = nd_exporigin, ind = 0; i < nd_wpd; i++ ) {
3634: u = d1[i];
3635: k = (nd_epw-1)*nd_bpe;
3636: for ( j = 0; j < nd_epw; j++, k -= nd_bpe, ind++ )
3637: t[ind] = (u>>k)&nd_mask0;
3638: }
3639: for ( ; ind < l; ind++ ) t[ind] = 0;
3640: return t;
1.99 noro 3641: }
3642:
1.157 noro 3643: /* if nd_module == 1 then d[nd_exporigin-1] indicates the position */
3644: /* of a term. In this case we need additional 1 word. */
3645:
1.48 noro 3646: int nd_get_exporigin(struct order_spec *ord)
3647: {
1.157 noro 3648: switch ( ord->id ) {
3649: case 0: case 2: case 256: case 258:
3650: return 1+nd_module;
3651: case 1: case 257:
3652: /* block order */
3653: /* poly ring d[0]:weight d[1]:w0,...,d[nd_exporigin-1]:w(n-1) */
3654: /* module d[0]:weight d[1]:w0,...,d[nd_exporigin-2]:w(n-1) */
3655: return ord->ord.block.length+1+nd_module;
3656: case 3: case 259:
3657: error("nd_get_exporigin : composite order is not supported yet.");
3658: }
1.48 noro 3659: }
3660:
1.61 noro 3661: void nd_setup_parameters(int nvar,int max) {
1.157 noro 3662: int i,j,n,elen,ord_o,ord_l,l,s,wpd;
3663: struct order_pair *op;
1.48 noro 3664:
1.157 noro 3665: nd_nvar = nvar;
3666: if ( max ) {
3667: /* XXX */
3668: if ( do_weyl ) nd_bpe = 32;
3669: else if ( max < 2 ) nd_bpe = 1;
3670: else if ( max < 4 ) nd_bpe = 2;
3671: else if ( max < 8 ) nd_bpe = 3;
3672: else if ( max < 16 ) nd_bpe = 4;
3673: else if ( max < 32 ) nd_bpe = 5;
3674: else if ( max < 64 ) nd_bpe = 6;
3675: else if ( max < 256 ) nd_bpe = 8;
3676: else if ( max < 1024 ) nd_bpe = 10;
3677: else if ( max < 65536 ) nd_bpe = 16;
3678: else nd_bpe = 32;
3679: }
3680: nd_epw = (sizeof(UINT)*8)/nd_bpe;
3681: elen = nd_nvar/nd_epw+(nd_nvar%nd_epw?1:0);
3682: nd_exporigin = nd_get_exporigin(nd_ord);
3683: wpd = nd_exporigin+elen;
3684: if ( nd_module )
3685: nd_mpos = nd_exporigin-1;
3686: else
3687: nd_mpos = -1;
3688: if ( wpd != nd_wpd ) {
3689: nd_free_private_storage();
3690: nd_wpd = wpd;
3691: }
3692: if ( nd_bpe < 32 ) {
3693: nd_mask0 = (1<<nd_bpe)-1;
3694: } else {
3695: nd_mask0 = 0xffffffff;
3696: }
3697: bzero(nd_mask,sizeof(nd_mask));
3698: nd_mask1 = 0;
3699: for ( i = 0; i < nd_epw; i++ ) {
3700: nd_mask[nd_epw-i-1] = (nd_mask0<<(i*nd_bpe));
3701: nd_mask1 |= (1<<(nd_bpe-1))<<(i*nd_bpe);
3702: }
3703: nmv_adv = ROUND_FOR_ALIGN(sizeof(struct oNMV)+(nd_wpd-1)*sizeof(UINT));
3704: nd_epos = nd_create_epos(nd_ord);
3705: nd_blockmask = nd_create_blockmask(nd_ord);
3706: nd_work_vector = (int *)REALLOC(nd_work_vector,nd_nvar*sizeof(int));
1.1 noro 3707: }
3708:
1.103 noro 3709: ND_pairs nd_reconstruct(int trace,ND_pairs d)
1.1 noro 3710: {
1.157 noro 3711: int i,obpe,oadv,h;
3712: static NM prev_nm_free_list;
3713: static ND_pairs prev_ndp_free_list;
3714: RHist mr0,mr;
3715: RHist r;
3716: RHist *old_red;
3717: ND_pairs s0,s,t;
3718: EPOS oepos;
3719:
3720: obpe = nd_bpe;
3721: oadv = nmv_adv;
3722: oepos = nd_epos;
3723: if ( obpe < 2 ) nd_bpe = 2;
3724: else if ( obpe < 3 ) nd_bpe = 3;
3725: else if ( obpe < 4 ) nd_bpe = 4;
3726: else if ( obpe < 5 ) nd_bpe = 5;
3727: else if ( obpe < 6 ) nd_bpe = 6;
3728: else if ( obpe < 8 ) nd_bpe = 8;
3729: else if ( obpe < 10 ) nd_bpe = 10;
3730: else if ( obpe < 16 ) nd_bpe = 16;
3731: else if ( obpe < 32 ) nd_bpe = 32;
3732: else error("nd_reconstruct : exponent too large");
3733:
3734: nd_setup_parameters(nd_nvar,0);
3735: prev_nm_free_list = _nm_free_list;
3736: prev_ndp_free_list = _ndp_free_list;
3737: _nm_free_list = 0;
3738: _ndp_free_list = 0;
3739: for ( i = nd_psn-1; i >= 0; i-- ) ndv_realloc(nd_ps[i],obpe,oadv,oepos);
3740: if ( trace )
3741: for ( i = nd_psn-1; i >= 0; i-- )
3742: ndv_realloc(nd_ps_trace[i],obpe,oadv,oepos);
3743: s0 = 0;
3744: for ( t = d; t; t = NEXT(t) ) {
3745: NEXTND_pairs(s0,s);
3746: s->i1 = t->i1;
3747: s->i2 = t->i2;
3748: SG(s) = SG(t);
3749: ndl_reconstruct(LCM(t),LCM(s),obpe,oepos);
3750: }
3751:
3752: old_red = (RHist *)ALLOCA(REDTAB_LEN*sizeof(RHist));
3753: for ( i = 0; i < REDTAB_LEN; i++ ) {
3754: old_red[i] = nd_red[i];
3755: nd_red[i] = 0;
3756: }
3757: for ( i = 0; i < REDTAB_LEN; i++ )
3758: for ( r = old_red[i]; r; r = NEXT(r) ) {
3759: NEWRHist(mr);
3760: mr->index = r->index;
3761: SG(mr) = SG(r);
3762: ndl_reconstruct(DL(r),DL(mr),obpe,oepos);
3763: h = ndl_hash_value(DL(mr));
3764: NEXT(mr) = nd_red[h];
3765: nd_red[h] = mr;
3766: }
3767: for ( i = 0; i < REDTAB_LEN; i++ ) old_red[i] = 0;
3768: old_red = 0;
3769: for ( i = 0; i < nd_psn; i++ ) {
3770: NEWRHist(r); SG(r) = SG(nd_psh[i]);
3771: ndl_reconstruct(DL(nd_psh[i]),DL(r),obpe,oepos);
3772: nd_psh[i] = r;
3773: }
3774: if ( s0 ) NEXT(s) = 0;
3775: prev_nm_free_list = 0;
3776: prev_ndp_free_list = 0;
1.71 noro 3777: #if 0
1.157 noro 3778: GC_gcollect();
1.71 noro 3779: #endif
1.157 noro 3780: return s0;
1.1 noro 3781: }
3782:
1.61 noro 3783: void ndl_reconstruct(UINT *d,UINT *r,int obpe,EPOS oepos)
1.1 noro 3784: {
1.157 noro 3785: int n,i,ei,oepw,omask0,j,s,ord_l,l;
3786: struct order_pair *op;
1.1 noro 3787:
1.157 noro 3788: n = nd_nvar;
3789: oepw = (sizeof(UINT)*8)/obpe;
3790: omask0 = (1<<obpe)-1;
3791: TD(r) = TD(d);
3792: for ( i = nd_exporigin; i < nd_wpd; i++ ) r[i] = 0;
3793: if ( nd_blockmask ) {
3794: l = nd_blockmask->n;
3795: op = nd_blockmask->order_pair;
3796: for ( i = 1; i < nd_exporigin; i++ )
3797: r[i] = d[i];
3798: for ( j = 0, s = 0; j < l; j++ ) {
3799: ord_l = op[j].length;
3800: for ( i = 0; i < ord_l; i++, s++ ) {
3801: ei = GET_EXP_OLD(d,s);
3802: PUT_EXP(r,s,ei);
3803: }
3804: }
3805: } else {
3806: for ( i = 0; i < n; i++ ) {
3807: ei = GET_EXP_OLD(d,i);
3808: PUT_EXP(r,i,ei);
3809: }
3810: }
3811: if ( nd_module ) MPOS(r) = MPOS(d);
1.1 noro 3812: }
1.3 noro 3813:
1.6 noro 3814: ND nd_copy(ND p)
3815: {
1.157 noro 3816: NM m,mr,mr0;
3817: int c,n;
3818: ND r;
3819:
3820: if ( !p )
3821: return 0;
3822: else {
3823: for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) {
3824: NEXTNM(mr0,mr);
3825: CM(mr) = CM(m);
3826: ndl_copy(DL(m),DL(mr));
3827: }
3828: NEXT(mr) = 0;
3829: MKND(NV(p),mr0,LEN(p),r);
3830: SG(r) = SG(p);
3831: return r;
3832: }
1.6 noro 3833: }
3834:
1.53 noro 3835: int nd_sp(int mod,int trace,ND_pairs p,ND *rp)
1.11 noro 3836: {
1.157 noro 3837: NM m1,m2;
3838: NDV p1,p2;
3839: ND t1,t2;
3840: UINT *lcm;
3841: P gp,tp;
1.167 ! noro 3842: Q g,t,iq;
1.157 noro 3843: int td;
1.167 ! noro 3844: LIST hist;
! 3845: NODE node;
! 3846: DP d;
1.157 noro 3847:
3848: if ( !mod && nd_demand ) {
3849: p1 = ndv_load(p->i1); p2 = ndv_load(p->i2);
3850: } else {
3851: if ( trace ) {
3852: p1 = nd_ps_trace[p->i1]; p2 = nd_ps_trace[p->i2];
3853: } else {
3854: p1 = nd_ps[p->i1]; p2 = nd_ps[p->i2];
3855: }
3856: }
3857: lcm = LCM(p);
3858: NEWNM(m1); ndl_sub(lcm,HDL(p1),DL(m1));
3859: if ( ndl_check_bound2(p->i1,DL(m1)) ) {
3860: FREENM(m1); return 0;
3861: }
3862: NEWNM(m2); ndl_sub(lcm,HDL(p2),DL(m2));
3863: if ( ndl_check_bound2(p->i2,DL(m2)) ) {
3864: FREENM(m1); FREENM(m2); return 0;
3865: }
3866:
3867: if ( mod == -1 ) {
3868: CM(m1) = HCM(p2); CM(m2) = _chsgnsf(HCM(p1));
3869: } else if ( mod ) {
3870: CM(m1) = HCM(p2); CM(m2) = mod-HCM(p1);
3871: } else if ( nd_vc ) {
3872: ezgcdpz(nd_vc,HCP(p1),HCP(p2),&gp);
3873: divsp(nd_vc,HCP(p2),gp,&CP(m1));
3874: divsp(nd_vc,HCP(p1),gp,&tp); chsgnp(tp,&CP(m2));
3875: } else {
3876: igcd_cofactor(HCQ(p1),HCQ(p2),&g,&t,&CQ(m1)); chsgnq(t,&CQ(m2));
3877: }
3878: t1 = ndv_mul_nm(mod,m1,p1); t2 = ndv_mul_nm(mod,m2,p2);
3879: *rp = nd_add(mod,t1,t2);
1.167 ! noro 3880: if ( GenTrace ) {
! 3881: /* nd_tracelist is initialized */
! 3882: STOQ(p->i1,iq); nmtodp(mod,m1,&d); node = mknode(4,ONE,iq,d,ONE);
! 3883: MKLIST(hist,node); MKNODE(nd_tracelist,hist,0);
! 3884: STOQ(p->i2,iq); nmtodp(mod,m2,&d); node = mknode(4,ONE,iq,d,ONE);
! 3885: MKLIST(hist,node); MKNODE(node,hist,nd_tracelist);
! 3886: nd_tracelist = node;
! 3887: }
1.157 noro 3888: FREENM(m1); FREENM(m2);
3889: return 1;
1.11 noro 3890: }
3891:
1.19 noro 3892: void ndv_mul_c(int mod,NDV p,int mul)
1.11 noro 3893: {
1.157 noro 3894: NMV m;
3895: int c,c1,len,i;
1.11 noro 3896:
1.157 noro 3897: if ( !p ) return;
3898: len = LEN(p);
3899: if ( mod == -1 )
3900: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) )
3901: CM(m) = _mulsf(CM(m),mul);
3902: else
3903: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
3904: c1 = CM(m); DMAR(c1,mul,0,mod,c); CM(m) = c;
3905: }
1.11 noro 3906: }
3907:
1.113 noro 3908: void ndv_mul_c_q(NDV p,Q mul)
1.16 noro 3909: {
1.157 noro 3910: NMV m;
3911: Q c;
3912: int len,i;
3913:
3914: if ( !p ) return;
3915: len = LEN(p);
3916: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
3917: mulq(CQ(m),mul,&c); CQ(m) = c;
3918: }
1.16 noro 3919: }
3920:
1.55 noro 3921: ND weyl_ndv_mul_nm(int mod,NM m0,NDV p) {
1.157 noro 3922: int n2,i,j,l,n,tlen;
3923: UINT *d0;
3924: NM *tab,*psum;
3925: ND s,r;
3926: NM t;
3927: NMV m1;
3928:
3929: if ( !p ) return 0;
3930: n = NV(p); n2 = n>>1;
3931: d0 = DL(m0);
3932: l = LEN(p);
3933: for ( i = 0, tlen = 1; i < n2; i++ ) tlen *= (GET_EXP(d0,n2+i)+1);
3934: tab = (NM *)ALLOCA(tlen*sizeof(NM));
3935: psum = (NM *)ALLOCA(tlen*sizeof(NM));
3936: for ( i = 0; i < tlen; i++ ) psum[i] = 0;
3937: m1 = (NMV)(((char *)BDY(p))+nmv_adv*(l-1));
3938: for ( i = l-1; i >= 0; i--, NMV_PREV(m1) ) {
3939: /* m0(NM) * m1(NMV) => tab(NM) */
3940: weyl_mul_nm_nmv(n,mod,m0,m1,tab,tlen);
3941: for ( j = 0; j < tlen; j++ ) {
3942: if ( tab[j] ) {
3943: NEXT(tab[j]) = psum[j]; psum[j] = tab[j];
3944: }
3945: }
3946: }
3947: for ( i = tlen-1, r = 0; i >= 0; i-- )
3948: if ( psum[i] ) {
3949: for ( j = 0, t = psum[i]; t; t = NEXT(t), j++ );
3950: MKND(n,psum[i],j,s);
3951: r = nd_add(mod,r,s);
3952: }
3953: if ( r ) SG(r) = SG(p)+TD(d0);
3954: return r;
1.55 noro 3955: }
3956:
1.56 noro 3957: /* product of monomials */
3958: /* XXX block order is not handled correctly */
3959:
1.55 noro 3960: void weyl_mul_nm_nmv(int n,int mod,NM m0,NMV m1,NM *tab,int tlen)
3961: {
1.157 noro 3962: int i,n2,j,s,curlen,homo,h,a,b,k,l,u,min;
3963: UINT *d0,*d1,*d,*dt,*ctab;
3964: Q *ctab_q;
3965: Q q,q1;
3966: UINT c0,c1,c;
3967: NM *p;
3968: NM m,t;
3969: int mpos;
3970:
3971: for ( i = 0; i < tlen; i++ ) tab[i] = 0;
3972: if ( !m0 || !m1 ) return;
3973: d0 = DL(m0); d1 = DL(m1); n2 = n>>1;
1.166 noro 3974: if ( nd_module )
3975: if ( MPOS(d0) ) error("weyl_mul_nm_nmv : invalid operation");
3976:
1.157 noro 3977: NEWNM(m); d = DL(m);
3978: if ( mod ) {
3979: c0 = CM(m0); c1 = CM(m1); DMAR(c0,c1,0,mod,c); CM(m) = c;
3980: } else
3981: mulq(CQ(m0),CQ(m1),&CQ(m));
3982: for ( i = 0; i < nd_wpd; i++ ) d[i] = 0;
3983: homo = n&1 ? 1 : 0;
3984: if ( homo ) {
3985: /* offset of h-degree */
3986: h = GET_EXP(d0,n-1)+GET_EXP(d1,n-1);
3987: PUT_EXP(DL(m),n-1,h);
3988: TD(DL(m)) = h;
3989: if ( nd_blockmask ) ndl_weight_mask(DL(m));
3990: }
3991: tab[0] = m;
3992: NEWNM(m); d = DL(m);
3993: for ( i = 0, curlen = 1; i < n2; i++ ) {
3994: a = GET_EXP(d0,i); b = GET_EXP(d1,n2+i);
3995: k = GET_EXP(d0,n2+i); l = GET_EXP(d1,i);
3996: /* xi^a*(Di^k*xi^l)*Di^b */
3997: a += l; b += k;
3998: s = MUL_WEIGHT(a,i)+MUL_WEIGHT(b,n2+i);
3999: if ( !k || !l ) {
4000: for ( j = 0; j < curlen; j++ )
4001: if ( t = tab[j] ) {
4002: dt = DL(t);
4003: PUT_EXP(dt,i,a); PUT_EXP(dt,n2+i,b); TD(dt) += s;
4004: if ( nd_blockmask ) ndl_weight_mask(dt);
4005: }
4006: curlen *= k+1;
4007: continue;
4008: }
4009: min = MIN(k,l);
4010: if ( mod ) {
4011: ctab = (UINT *)ALLOCA((min+1)*sizeof(UINT));
4012: mkwcm(k,l,mod,ctab);
4013: } else {
4014: ctab_q = (Q *)ALLOCA((min+1)*sizeof(Q));
4015: mkwc(k,l,ctab_q);
4016: }
4017: for ( j = min; j >= 0; j-- ) {
4018: for ( u = 0; u < nd_wpd; u++ ) d[u] = 0;
4019: PUT_EXP(d,i,a-j); PUT_EXP(d,n2+i,b-j);
4020: h = MUL_WEIGHT(a-j,i)+MUL_WEIGHT(b-j,n2+i);
4021: if ( homo ) {
4022: TD(d) = s;
4023: PUT_EXP(d,n-1,s-h);
4024: } else TD(d) = h;
4025: if ( nd_blockmask ) ndl_weight_mask(d);
4026: if ( mod ) c = ctab[j];
4027: else q = ctab_q[j];
4028: p = tab+curlen*j;
4029: if ( j == 0 ) {
4030: for ( u = 0; u < curlen; u++, p++ ) {
4031: if ( tab[u] ) {
4032: ndl_addto(DL(tab[u]),d);
4033: if ( mod ) {
4034: c0 = CM(tab[u]); DMAR(c0,c,0,mod,c1); CM(tab[u]) = c1;
4035: } else {
4036: mulq(CQ(tab[u]),q,&q1); CQ(tab[u]) = q1;
4037: }
4038: }
4039: }
4040: } else {
4041: for ( u = 0; u < curlen; u++, p++ ) {
4042: if ( tab[u] ) {
4043: NEWNM(t);
4044: ndl_add(DL(tab[u]),d,DL(t));
4045: if ( mod ) {
4046: c0 = CM(tab[u]); DMAR(c0,c,0,mod,c1); CM(t) = c1;
4047: } else
4048: mulq(CQ(tab[u]),q,&CQ(t));
4049: *p = t;
4050: }
4051: }
4052: }
4053: }
4054: curlen *= k+1;
4055: }
4056: FREENM(m);
1.167 ! noro 4057: if ( nd_module ) {
1.166 noro 4058: mpos = MPOS(d1);
1.167 ! noro 4059: for ( i = 0; i < tlen; i++ )
! 4060: if ( tab[i] ) {
! 4061: d = DL(tab[i]);
! 4062: MPOS(d) = mpos;
! 4063: TD(d) = ndl_weight(d);
! 4064: }
! 4065: }
1.55 noro 4066: }
4067:
1.63 noro 4068: ND ndv_mul_nm_symbolic(NM m0,NDV p)
4069: {
1.157 noro 4070: NM mr,mr0;
4071: NMV m;
4072: UINT *d,*dt,*dm;
4073: int c,n,td,i,c1,c2,len;
4074: Q q;
4075: ND r;
4076:
4077: if ( !p ) return 0;
4078: else {
4079: n = NV(p); m = BDY(p);
4080: d = DL(m0);
4081: len = LEN(p);
4082: mr0 = 0;
4083: td = TD(d);
4084: c = CM(m0);
4085: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4086: NEXTNM(mr0,mr);
4087: CM(mr) = 1;
4088: ndl_add(DL(m),d,DL(mr));
4089: }
4090: NEXT(mr) = 0;
4091: MKND(NV(p),mr0,len,r);
4092: SG(r) = SG(p) + TD(d);
4093: return r;
4094: }
1.63 noro 4095: }
4096:
1.55 noro 4097: ND ndv_mul_nm(int mod,NM m0,NDV p)
1.9 noro 4098: {
1.157 noro 4099: NM mr,mr0;
4100: NMV m;
4101: UINT *d,*dt,*dm;
4102: int c,n,td,i,c1,c2,len;
4103: P q;
4104: ND r;
4105:
4106: if ( !p ) return 0;
4107: else if ( do_weyl )
4108: if ( mod == -1 )
4109: error("ndv_mul_nm : not implemented (weyl)");
4110: else
4111: return weyl_ndv_mul_nm(mod,m0,p);
4112: else {
4113: n = NV(p); m = BDY(p);
4114: d = DL(m0);
4115: len = LEN(p);
4116: mr0 = 0;
4117: td = TD(d);
4118: if ( mod == -1 ) {
4119: c = CM(m0);
4120: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4121: NEXTNM(mr0,mr);
4122: CM(mr) = _mulsf(CM(m),c);
4123: ndl_add(DL(m),d,DL(mr));
4124: }
4125: } else if ( mod ) {
4126: c = CM(m0);
4127: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4128: NEXTNM(mr0,mr);
4129: c1 = CM(m);
4130: DMAR(c1,c,0,mod,c2);
4131: CM(mr) = c2;
4132: ndl_add(DL(m),d,DL(mr));
4133: }
4134: } else {
4135: q = CP(m0);
4136: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4137: NEXTNM(mr0,mr);
4138: mulp(nd_vc,CP(m),q,&CP(mr));
4139: ndl_add(DL(m),d,DL(mr));
4140: }
4141: }
4142: NEXT(mr) = 0;
4143: MKND(NV(p),mr0,len,r);
4144: SG(r) = SG(p) + TD(d);
4145: return r;
4146: }
1.4 noro 4147: }
4148:
1.104 noro 4149: ND nd_quo(int mod,PGeoBucket bucket,NDV d)
1.99 noro 4150: {
1.157 noro 4151: NM mq0,mq;
4152: NMV tm;
4153: Q q;
4154: int i,nv,sg,c,c1,c2,hindex;
4155: ND p,t,r;
4156: N tnm;
4157:
4158: if ( bucket->m < 0 ) return 0;
4159: else {
4160: nv = NV(d);
4161: mq0 = 0;
4162: tm = (NMV)ALLOCA(nmv_adv);
4163: while ( 1 ) {
4164: hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket);
4165: if ( hindex < 0 ) break;
4166: p = bucket->body[hindex];
4167: NEXTNM(mq0,mq);
4168: ndl_sub(HDL(p),HDL(d),DL(mq));
4169: ndl_copy(DL(mq),DL(tm));
4170: if ( mod ) {
4171: c1 = invm(HCM(d),mod); c2 = HCM(p);
4172: DMAR(c1,c2,0,mod,c); CM(mq) = c;
4173: CM(tm) = mod-c;
4174: } else {
4175: divsn(NM(HCQ(p)),NM(HCQ(d)),&tnm);
4176: NTOQ(tnm,SGN(HCQ(p))*SGN(HCQ(d)),CQ(mq));
4177: chsgnq(CQ(mq),&CQ(tm));
4178: }
4179: t = ndv_mul_nmv_trunc(mod,tm,d,HDL(d));
4180: bucket->body[hindex] = nd_remove_head(p);
4181: t = nd_remove_head(t);
4182: add_pbucket(mod,bucket,t);
4183: }
4184: if ( !mq0 )
4185: r = 0;
4186: else {
4187: NEXT(mq) = 0;
4188: for ( i = 0, mq = mq0; mq; mq = NEXT(mq), i++ );
4189: MKND(nv,mq0,i,r);
4190: /* XXX */
4191: SG(r) = HTD(r);
4192: }
4193: return r;
4194: }
1.99 noro 4195: }
4196:
1.43 noro 4197: void ndv_realloc(NDV p,int obpe,int oadv,EPOS oepos)
1.11 noro 4198: {
1.157 noro 4199: NMV m,mr,mr0,t;
4200: int len,i,k;
1.11 noro 4201:
1.157 noro 4202: if ( !p ) return;
4203: m = BDY(p); len = LEN(p);
4204: mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p);
4205: m = (NMV)((char *)mr0+(len-1)*oadv);
4206: mr = (NMV)((char *)mr0+(len-1)*nmv_adv);
4207: t = (NMV)ALLOCA(nmv_adv);
4208: for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {
4209: CQ(t) = CQ(m);
4210: for ( k = 0; k < nd_wpd; k++ ) DL(t)[k] = 0;
4211: ndl_reconstruct(DL(m),DL(t),obpe,oepos);
4212: CQ(mr) = CQ(t);
4213: ndl_copy(DL(t),DL(mr));
4214: }
4215: BDY(p) = mr0;
1.61 noro 4216: }
4217:
4218: NDV ndv_dup_realloc(NDV p,int obpe,int oadv,EPOS oepos)
4219: {
1.157 noro 4220: NMV m,mr,mr0;
4221: int len,i;
4222: NDV r;
4223:
4224: if ( !p ) return 0;
4225: m = BDY(p); len = LEN(p);
4226: mr0 = mr = (NMV)MALLOC(len*nmv_adv);
4227: for ( i = 0; i < len; i++, NMV_OADV(m), NMV_ADV(mr) ) {
4228: ndl_zero(DL(mr));
4229: ndl_reconstruct(DL(m),DL(mr),obpe,oepos);
4230: CQ(mr) = CQ(m);
4231: }
4232: MKNDV(NV(p),mr0,len,r);
4233: SG(r) = SG(p);
4234: return r;
1.11 noro 4235: }
4236:
1.61 noro 4237: /* duplicate p */
4238:
4239: NDV ndv_dup(int mod,NDV p)
1.3 noro 4240: {
1.157 noro 4241: NDV d;
4242: NMV t,m,m0;
4243: int i,len;
4244:
4245: if ( !p ) return 0;
4246: len = LEN(p);
4247: m0 = m = (NMV)(mod?MALLOC_ATOMIC(len*nmv_adv):MALLOC(len*nmv_adv));
4248: for ( t = BDY(p), i = 0; i < len; i++, NMV_ADV(t), NMV_ADV(m) ) {
4249: ndl_copy(DL(t),DL(m));
4250: CQ(m) = CQ(t);
4251: }
4252: MKNDV(NV(p),m0,len,d);
4253: SG(d) = SG(p);
4254: return d;
1.23 noro 4255: }
4256:
1.63 noro 4257: ND nd_dup(ND p)
4258: {
1.157 noro 4259: ND d;
4260: NM t,m,m0;
1.63 noro 4261:
1.157 noro 4262: if ( !p ) return 0;
4263: for ( m0 = 0, t = BDY(p); t; t = NEXT(t) ) {
4264: NEXTNM(m0,m);
4265: ndl_copy(DL(t),DL(m));
4266: CQ(m) = CQ(t);
4267: }
4268: if ( m0 ) NEXT(m) = 0;
4269: MKND(NV(p),m0,LEN(p),d);
4270: SG(d) = SG(p);
4271: return d;
1.63 noro 4272: }
4273:
1.61 noro 4274: /* XXX if p->len == 0 then it represents 0 */
4275:
4276: void ndv_mod(int mod,NDV p)
4277: {
1.157 noro 4278: NMV t,d;
4279: int r,s,u;
4280: int i,len,dlen;
4281: P cp;
4282: Q c;
4283: Obj gfs;
4284:
4285: if ( !p ) return;
4286: len = LEN(p);
4287: dlen = 0;
4288: if ( mod == -1 )
4289: for ( t = d = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) {
4290: simp_ff((Obj)CP(t),&gfs);
4291: r = FTOIF(CONT((GFS)gfs));
4292: CM(d) = r;
4293: ndl_copy(DL(t),DL(d));
4294: NMV_ADV(d);
4295: dlen++;
4296: }
4297: else
4298: for ( t = d = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) {
4299: if ( nd_vc ) {
4300: nd_subst_vector(nd_vc,CP(t),nd_subst,&cp);
4301: c = (Q)cp;
4302: } else
4303: c = CQ(t);
4304: r = rem(NM(c),mod);
4305: if ( r ) {
4306: if ( SGN(c) < 0 )
4307: r = mod-r;
4308: if ( DN(c) ) {
4309: s = rem(DN(c),mod);
4310: if ( !s )
4311: error("ndv_mod : division by 0");
4312: s = invm(s,mod);
4313: DMAR(r,s,0,mod,u); r = u;
4314: }
4315: CM(d) = r;
4316: ndl_copy(DL(t),DL(d));
4317: NMV_ADV(d);
4318: dlen++;
4319: }
4320: }
4321: LEN(p) = dlen;
1.61 noro 4322: }
4323:
4324: NDV ptondv(VL vl,VL dvl,P p)
4325: {
1.157 noro 4326: ND nd;
4327:
4328: nd = ptond(vl,dvl,p);
4329: return ndtondv(0,nd);
4330: }
1.61 noro 4331:
1.157 noro 4332: void pltozpl(LIST l,Q *cont,LIST *pp)
4333: {
4334: NODE nd,nd1;
4335: int n;
4336: P *pl;
4337: Q *cl;
4338: int i;
4339: P dmy;
4340: Q dvr;
4341: LIST r;
4342:
4343: nd = BDY(l); n = length(nd);
4344: pl = (P *)ALLOCA(n*sizeof(P));
4345: cl = (Q *)ALLOCA(n*sizeof(P));
4346: for ( i = 0; i < n; i++, nd = NEXT(nd) )
4347: ptozp((P)BDY(nd),1,&cl[i],&dmy);
4348: qltozl(cl,n,&dvr);
4349: nd = BDY(l);
4350: for ( i = 0; i < n; i++, nd = NEXT(nd) ) {
4351: divsp(CO,(P)BDY(nd),(P)dvr,&pl[i]);
4352: }
4353: nd = 0;
4354: for ( i = n-1; i >= 0; i-- ) {
4355: MKNODE(nd1,pl[i],nd); nd = nd1;
4356: }
4357: MKLIST(r,nd);
4358: *pp = r;
4359: }
4360:
4361: /* (a1,a2,...,an) -> a1*e(1)+...+an*e(n) */
4362:
4363: NDV pltondv(VL vl,VL dvl,LIST p)
4364: {
4365: int i;
4366: NODE t;
4367: ND r,ri;
4368: NM m;
4369:
4370: if ( !nd_module ) error("pltond : module order must be set");
4371: r = 0;
4372: for ( i = 1, t = BDY(p); t; t = NEXT(t), i++ ) {
4373: ri = ptond(vl,dvl,(P)BDY(t));
1.163 noro 4374: if ( ri )
4375: for ( m = BDY(ri); m; m = NEXT(m) ) {
1.167 ! noro 4376: MPOS(DL(m)) = i;
! 4377: TD(DL(m)) = ndl_weight(DL(m));
1.163 noro 4378: if ( nd_blockmask ) ndl_weight_mask(DL(m));
4379: }
1.157 noro 4380: r = nd_add(0,r,ri);
4381: }
4382: return ndtondv(0,r);
1.61 noro 4383: }
4384:
4385: ND ptond(VL vl,VL dvl,P p)
1.23 noro 4386: {
1.157 noro 4387: int n,i,j,k,e;
4388: VL tvl;
4389: V v;
4390: DCP dc;
4391: DCP *w;
4392: ND r,s,t,u;
4393: P x;
4394: int c;
4395: UINT *d;
4396: NM m,m0;
4397:
4398: if ( !p )
4399: return 0;
4400: else if ( NUM(p) ) {
4401: NEWNM(m);
4402: ndl_zero(DL(m));
4403: CQ(m) = (Q)p;
4404: NEXT(m) = 0;
4405: MKND(nd_nvar,m,1,r);
4406: SG(r) = 0;
4407: return r;
4408: } else {
4409: for ( dc = DC(p), k = 0; dc; dc = NEXT(dc), k++ );
4410: w = (DCP *)ALLOCA(k*sizeof(DCP));
4411: for ( dc = DC(p), j = 0; j < k; dc = NEXT(dc), j++ ) w[j] = dc;
4412: for ( i = 0, tvl = dvl, v = VR(p);
4413: tvl && tvl->v != v; tvl = NEXT(tvl), i++ );
4414: if ( !tvl ) {
4415: for ( j = k-1, s = 0, MKV(v,x); j >= 0; j-- ) {
4416: t = ptond(vl,dvl,COEF(w[j]));
4417: pwrp(vl,x,DEG(w[j]),&p);
4418: nd_mul_c_p(CO,t,p); s = nd_add(0,s,t);
4419: }
4420: return s;
4421: } else {
4422: NEWNM(m0); d = DL(m0);
4423: for ( j = k-1, s = 0; j >= 0; j-- ) {
4424: ndl_zero(d); e = QTOS(DEG(w[j])); PUT_EXP(d,i,e);
4425: TD(d) = MUL_WEIGHT(e,i);
4426: if ( nd_blockmask) ndl_weight_mask(d);
4427: if ( nd_module ) MPOS(d) = 0;
4428: t = ptond(vl,dvl,COEF(w[j]));
4429: for ( m = BDY(t); m; m = NEXT(m) )
4430: ndl_addto(DL(m),d);
4431: SG(t) += TD(d);
4432: s = nd_add(0,s,t);
4433: }
4434: FREENM(m0);
4435: return s;
4436: }
4437: }
1.61 noro 4438: }
4439:
4440: P ndvtop(int mod,VL vl,VL dvl,NDV p)
4441: {
1.157 noro 4442: VL tvl;
4443: int len,n,j,i,e;
4444: NMV m;
4445: Q q;
4446: P c;
4447: UINT *d;
4448: P s,r,u,t,w;
4449: GFS gfs;
4450:
4451: if ( !p ) return 0;
4452: else {
4453: len = LEN(p);
4454: n = NV(p);
4455: m = (NMV)(((char *)BDY(p))+nmv_adv*(len-1));
4456: for ( j = len-1, s = 0; j >= 0; j--, NMV_PREV(m) ) {
4457: if ( mod == -1 ) {
4458: e = IFTOF(CM(m)); MKGFS(e,gfs); c = (P)gfs;
4459: } else if ( mod ) {
4460: STOQ(CM(m),q); c = (P)q;
4461: } else
4462: c = CP(m);
4463: d = DL(m);
4464: for ( i = 0, t = c, tvl = dvl; i < n; tvl = NEXT(tvl), i++ ) {
4465: MKV(tvl->v,r); e = GET_EXP(d,i); STOQ(e,q);
4466: pwrp(vl,r,q,&u); mulp(vl,t,u,&w); t = w;
4467: }
4468: addp(vl,s,t,&u); s = u;
4469: }
4470: return s;
4471: }
4472: }
4473:
4474: LIST ndvtopl(int mod,VL vl,VL dvl,NDV p,int rank)
4475: {
4476: VL tvl;
4477: int len,n,j,i,e;
4478: NMV m;
4479: Q q;
4480: P c;
4481: UINT *d;
4482: P s,r,u,t,w;
4483: GFS gfs;
4484: P *a;
4485: LIST l;
4486: NODE nd,nd1;
4487:
4488: if ( !p ) return 0;
4489: else {
4490: a = (P *)ALLOCA((rank+1)*sizeof(P));
4491: for ( i = 0; i <= rank; i++ ) a[i] = 0;
4492: len = LEN(p);
4493: n = NV(p);
4494: m = (NMV)(((char *)BDY(p))+nmv_adv*(len-1));
4495: for ( j = len-1; j >= 0; j--, NMV_PREV(m) ) {
4496: if ( mod == -1 ) {
4497: e = IFTOF(CM(m)); MKGFS(e,gfs); c = (P)gfs;
4498: } else if ( mod ) {
4499: STOQ(CM(m),q); c = (P)q;
4500: } else
4501: c = CP(m);
4502: d = DL(m);
4503: for ( i = 0, t = c, tvl = dvl; i < n; tvl = NEXT(tvl), i++ ) {
4504: MKV(tvl->v,r); e = GET_EXP(d,i); STOQ(e,q);
4505: pwrp(vl,r,q,&u); mulp(vl,t,u,&w); t = w;
4506: }
4507: addp(vl,a[MPOS(d)],t,&u); a[MPOS(d)] = u;
4508: }
4509: nd = 0;
4510: for ( i = rank; i > 0; i-- ) {
4511: MKNODE(nd1,a[i],nd); nd = nd1;
4512: }
4513: MKLIST(l,nd);
4514: return l;
4515: }
1.3 noro 4516: }
4517:
1.61 noro 4518: NDV ndtondv(int mod,ND p)
1.11 noro 4519: {
1.157 noro 4520: NDV d;
4521: NMV m,m0;
4522: NM t;
4523: int i,len;
4524:
4525: if ( !p ) return 0;
4526: len = LEN(p);
4527: if ( mod )
4528: m0 = m = (NMV)GC_malloc_atomic_ignore_off_page(len*nmv_adv);
4529: else
4530: m0 = m = MALLOC(len*nmv_adv);
1.103 noro 4531: #if 0
1.157 noro 4532: ndv_alloc += nmv_adv*len;
1.103 noro 4533: #endif
1.157 noro 4534: for ( t = BDY(p), i = 0; t; t = NEXT(t), i++, NMV_ADV(m) ) {
4535: ndl_copy(DL(t),DL(m));
4536: CQ(m) = CQ(t);
4537: }
4538: MKNDV(NV(p),m0,len,d);
4539: SG(d) = SG(p);
4540: return d;
1.11 noro 4541: }
4542:
1.61 noro 4543: ND ndvtond(int mod,NDV p)
1.11 noro 4544: {
1.157 noro 4545: ND d;
4546: NM m,m0;
4547: NMV t;
4548: int i,len;
4549:
4550: if ( !p ) return 0;
4551: m0 = 0;
4552: len = p->len;
4553: for ( t = BDY(p), i = 0; i < len; NMV_ADV(t), i++ ) {
4554: NEXTNM(m0,m);
4555: ndl_copy(DL(t),DL(m));
4556: CQ(m) = CQ(t);
4557: }
4558: NEXT(m) = 0;
4559: MKND(NV(p),m0,len,d);
4560: SG(d) = SG(p);
4561: return d;
1.11 noro 4562: }
4563:
1.3 noro 4564: void ndv_print(NDV p)
4565: {
1.157 noro 4566: NMV m;
4567: int i,len;
1.3 noro 4568:
1.157 noro 4569: if ( !p ) printf("0\n");
4570: else {
4571: len = LEN(p);
4572: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
4573: if ( CM(m) & 0x80000000 ) printf("+@_%d*",IFTOF(CM(m)));
4574: else printf("+%d*",CM(m));
4575: ndl_print(DL(m));
4576: }
4577: printf("\n");
4578: }
1.16 noro 4579: }
4580:
1.113 noro 4581: void ndv_print_q(NDV p)
1.16 noro 4582: {
1.157 noro 4583: NMV m;
4584: int i,len;
1.16 noro 4585:
1.157 noro 4586: if ( !p ) printf("0\n");
4587: else {
4588: len = LEN(p);
4589: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
4590: printf("+");
4591: printexpr(CO,(Obj)CQ(m));
4592: printf("*");
4593: ndl_print(DL(m));
4594: }
4595: printf("\n");
4596: }
1.25 noro 4597: }
4598:
1.167 ! noro 4599: NODE ndv_reducebase(NODE x,int *perm)
1.27 noro 4600: {
1.157 noro 4601: int len,i,j;
1.167 ! noro 4602: NDVI w;
1.157 noro 4603: NODE t,t0;
4604:
4605: len = length(x);
1.167 ! noro 4606: w = (NDVI)ALLOCA(len*sizeof(struct oNDVI));
! 4607: for ( i = 0, t = x; i < len; i++, t = NEXT(t) ) {
! 4608: w[i].p = BDY(t); w[i].i = perm[i];
! 4609: }
1.157 noro 4610: for ( i = 0; i < len; i++ ) {
4611: for ( j = 0; j < i; j++ ) {
1.167 ! noro 4612: if ( w[i].p && w[j].p )
! 4613: if ( ndl_reducible(HDL(w[i].p),HDL(w[j].p)) ) w[i].p = 0;
! 4614: else if ( ndl_reducible(HDL(w[j].p),HDL(w[i].p)) ) w[j].p = 0;
1.157 noro 4615: }
4616: }
1.167 ! noro 4617: for ( i = j = 0, t0 = 0; i < len; i++ ) {
! 4618: if ( w[i].p ) {
! 4619: NEXTNODE(t0,t); BDY(t) = (pointer)w[i].p;
! 4620: perm[j++] = w[i].i;
! 4621: }
1.157 noro 4622: }
4623: NEXT(t) = 0; x = t0;
4624: return x;
1.11 noro 4625: }
1.32 noro 4626:
1.43 noro 4627: /* XXX incomplete */
4628:
1.32 noro 4629: void nd_init_ord(struct order_spec *ord)
4630: {
1.157 noro 4631: nd_module = (ord->id >= 256);
4632: switch ( ord->id ) {
4633: case 0:
4634: switch ( ord->ord.simple ) {
4635: case 0:
4636: nd_dcomp = 1;
4637: nd_isrlex = 1;
4638: break;
4639: case 1:
4640: nd_dcomp = 1;
4641: nd_isrlex = 0;
4642: break;
4643: case 2:
4644: nd_dcomp = 0;
4645: nd_isrlex = 0;
4646: ndl_compare_function = ndl_lex_compare;
4647: break;
4648: case 11:
4649: /* XXX */
4650: nd_dcomp = 0;
4651: nd_isrlex = 1;
4652: ndl_compare_function = ndl_ww_lex_compare;
4653: break;
4654: default:
4655: error("nd_gr : unsupported order");
4656: }
4657: break;
4658: case 1:
4659: /* block order */
4660: /* XXX */
4661: nd_dcomp = -1;
4662: nd_isrlex = 0;
4663: ndl_compare_function = ndl_block_compare;
4664: break;
4665: case 2:
4666: /* matrix order */
4667: /* XXX */
4668: nd_dcomp = -1;
4669: nd_isrlex = 0;
4670: nd_matrix_len = ord->ord.matrix.row;
4671: nd_matrix = ord->ord.matrix.matrix;
4672: ndl_compare_function = ndl_matrix_compare;
4673: break;
4674: case 3:
4675: /* composite order */
4676: nd_dcomp = -1;
4677: nd_isrlex = 0;
4678: nd_worb_len = ord->ord.composite.length;
4679: nd_worb = ord->ord.composite.w_or_b;
4680: ndl_compare_function = ndl_composite_compare;
4681: break;
4682:
4683: /* module order */
4684: case 256:
1.160 noro 4685: nd_ispot = ord->ispot;
1.157 noro 4686: nd_dcomp = -1;
4687: switch ( ord->ord.simple ) {
4688: case 0:
1.167 ! noro 4689: nd_isrlex = 1;
1.157 noro 4690: ndl_compare_function = ndl_module_grlex_compare;
4691: break;
4692: case 1:
1.167 ! noro 4693: nd_isrlex = 0;
1.157 noro 4694: ndl_compare_function = ndl_module_glex_compare;
4695: break;
4696: case 2:
1.167 ! noro 4697: nd_isrlex = 0;
1.157 noro 4698: ndl_compare_function = ndl_module_lex_compare;
4699: break;
4700: default:
4701: error("nd_gr : unsupported order");
4702: }
4703: break;
4704: case 257:
4705: /* block order */
4706: ndl_compare_function = ndl_module_block_compare;
4707: break;
4708: case 258:
4709: /* matrix order */
4710: nd_matrix_len = ord->ord.matrix.row;
4711: nd_matrix = ord->ord.matrix.matrix;
4712: ndl_compare_function = ndl_module_matrix_compare;
4713: break;
4714: case 259:
4715: /* composite order */
4716: nd_worb_len = ord->ord.composite.length;
4717: nd_worb = ord->ord.composite.w_or_b;
4718: ndl_compare_function = ndl_module_composite_compare;
4719: break;
4720: }
4721: nd_ord = ord;
1.32 noro 4722: }
4723:
1.43 noro 4724: BlockMask nd_create_blockmask(struct order_spec *ord)
4725: {
1.157 noro 4726: int n,i,j,s,l;
4727: UINT *t;
4728: BlockMask bm;
4729:
4730: /* we only create mask table for block order */
1.164 noro 4731: if ( ord->id != 1 && ord->id != 257 )
1.157 noro 4732: return 0;
4733: n = ord->ord.block.length;
4734: bm = (BlockMask)MALLOC(sizeof(struct oBlockMask));
4735: bm->n = n;
4736: bm->order_pair = ord->ord.block.order_pair;
4737: bm->mask = (UINT **)MALLOC(n*sizeof(UINT *));
4738: for ( i = 0, s = 0; i < n; i++ ) {
4739: bm->mask[i] = t = (UINT *)MALLOC_ATOMIC(nd_wpd*sizeof(UINT));
4740: for ( j = 0; j < nd_wpd; j++ ) t[j] = 0;
4741: l = bm->order_pair[i].length;
4742: for ( j = 0; j < l; j++, s++ ) PUT_EXP(t,s,nd_mask0);
4743: }
4744: return bm;
1.57 noro 4745: }
4746:
4747: EPOS nd_create_epos(struct order_spec *ord)
4748: {
1.157 noro 4749: int i,j,l,s,ord_l,ord_o;
4750: EPOS epos;
4751: struct order_pair *op;
4752:
4753: epos = (EPOS)MALLOC_ATOMIC(nd_nvar*sizeof(struct oEPOS));
4754: switch ( ord->id ) {
1.164 noro 4755: case 0: case 256:
1.157 noro 4756: if ( nd_isrlex ) {
4757: for ( i = 0; i < nd_nvar; i++ ) {
4758: epos[i].i = nd_exporigin + (nd_nvar-1-i)/nd_epw;
4759: epos[i].s = (nd_epw-((nd_nvar-1-i)%nd_epw)-1)*nd_bpe;
4760: }
4761: } else {
4762: for ( i = 0; i < nd_nvar; i++ ) {
4763: epos[i].i = nd_exporigin + i/nd_epw;
4764: epos[i].s = (nd_epw-(i%nd_epw)-1)*nd_bpe;
4765: }
4766: }
4767: break;
1.164 noro 4768: case 1: case 257:
1.157 noro 4769: /* block order */
4770: l = ord->ord.block.length;
4771: op = ord->ord.block.order_pair;
4772: for ( j = 0, s = 0; j < l; j++ ) {
4773: ord_o = op[j].order;
4774: ord_l = op[j].length;
4775: if ( !ord_o )
4776: for ( i = 0; i < ord_l; i++ ) {
4777: epos[s+i].i = nd_exporigin + (s+ord_l-i-1)/nd_epw;
4778: epos[s+i].s = (nd_epw-((s+ord_l-i-1)%nd_epw)-1)*nd_bpe;
4779: }
4780: else
4781: for ( i = 0; i < ord_l; i++ ) {
4782: epos[s+i].i = nd_exporigin + (s+i)/nd_epw;
4783: epos[s+i].s = (nd_epw-((s+i)%nd_epw)-1)*nd_bpe;
4784: }
4785: s += ord_l;
4786: }
4787: break;
4788: case 2:
4789: /* matrix order */
4790: case 3:
4791: /* composite order */
1.167 ! noro 4792: default:
1.157 noro 4793: for ( i = 0; i < nd_nvar; i++ ) {
4794: epos[i].i = nd_exporigin + i/nd_epw;
4795: epos[i].s = (nd_epw-(i%nd_epw)-1)*nd_bpe;
4796: }
4797: break;
4798: }
4799: return epos;
1.43 noro 4800: }
1.59 noro 4801:
4802: /* external interface */
4803:
4804: void nd_nf_p(P f,LIST g,LIST v,int m,struct order_spec *ord,P *rp)
4805: {
1.157 noro 4806: NODE t,in0,in;
4807: ND nd,nf;
4808: NDV ndv;
4809: VL vv,tv;
4810: int stat,nvar,max,e;
4811: union oNDC dn;
4812: Q cont;
4813: P pp;
4814:
4815: if ( !f ) {
4816: *rp = 0;
4817: return;
4818: }
4819: pltovl(v,&vv);
4820: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
4821:
4822: /* get the degree bound */
4823: for ( t = BDY(g), max = 0; t; t = NEXT(t) )
4824: for ( tv = vv; tv; tv = NEXT(tv) ) {
4825: e = getdeg(tv->v,(P)BDY(t));
4826: max = MAX(e,max);
4827: }
4828: for ( tv = vv; tv; tv = NEXT(tv) ) {
4829: e = getdeg(tv->v,f);
4830: max = MAX(e,max);
4831: }
4832:
4833: nd_init_ord(ord);
4834: nd_setup_parameters(nvar,max);
4835:
4836: /* conversion to ndv */
4837: for ( in0 = 0, t = BDY(g); t; t = NEXT(t) ) {
4838: NEXTNODE(in0,in);
4839: ptozp((P)BDY(t),1,&cont,&pp);
4840: BDY(in) = (pointer)ptondv(CO,vv,pp);
4841: if ( m ) ndv_mod(m,(NDV)BDY(in));
4842: }
4843: NEXTNODE(in0,in);
4844: BDY(in) = (pointer)ptondv(CO,vv,f);
4845: if ( m ) ndv_mod(m,(NDV)BDY(in));
4846: NEXT(in) = 0;
4847:
4848: /* dont sort, dont removecont */
4849: ndv_setup(m,0,in0,1,1);
4850: nd_psn--;
4851: nd_scale=2;
4852: while ( 1 ) {
4853: nd = (pointer)ndvtond(m,nd_ps[nd_psn]);
4854: stat = nd_nf(m,0,nd,nd_ps,1,0,&nf);
4855: if ( !stat ) {
4856: nd_psn++;
4857: nd_reconstruct(0,0);
4858: nd_psn--;
4859: } else
4860: break;
4861: }
4862: *rp = ndvtop(m,CO,vv,ndtondv(m,nf));
1.63 noro 4863: }
4864:
4865: int nd_to_vect(int mod,UINT *s0,int n,ND d,UINT *r)
4866: {
1.157 noro 4867: NM m;
4868: UINT *t,*s;
4869: int i;
4870:
4871: for ( i = 0; i < n; i++ ) r[i] = 0;
4872: for ( i = 0, s = s0, m = BDY(d); m; m = NEXT(m) ) {
4873: t = DL(m);
4874: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
4875: r[i] = CM(m);
4876: }
4877: for ( i = 0; !r[i]; i++ );
4878: return i;
1.63 noro 4879: }
4880:
1.113 noro 4881: int nd_to_vect_q(UINT *s0,int n,ND d,Q *r)
1.74 noro 4882: {
1.157 noro 4883: NM m;
4884: UINT *t,*s;
4885: int i;
4886:
4887: for ( i = 0; i < n; i++ ) r[i] = 0;
4888: for ( i = 0, s = s0, m = BDY(d); m; m = NEXT(m) ) {
4889: t = DL(m);
4890: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
4891: r[i] = CQ(m);
4892: }
4893: for ( i = 0; !r[i]; i++ );
4894: return i;
1.74 noro 4895: }
4896:
1.129 noro 4897: Q *nm_ind_pair_to_vect(int mod,UINT *s0,int n,NM_ind_pair pair)
4898: {
1.157 noro 4899: NM m;
4900: NMV mr;
4901: UINT *d,*t,*s;
4902: NDV p;
4903: int i,j,len;
4904: Q *r;
4905:
4906: m = pair->mul;
4907: d = DL(m);
4908: p = nd_ps[pair->index];
4909: len = LEN(p);
4910: r = (Q *)CALLOC(n,sizeof(Q));
4911: t = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
4912: for ( i = j = 0, s = s0, mr = BDY(p); j < len; j++, NMV_ADV(mr) ) {
4913: ndl_add(d,DL(mr),t);
4914: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
4915: r[i] = CQ(mr);
4916: }
4917: return r;
1.129 noro 4918: }
4919:
1.67 noro 4920: IndArray nm_ind_pair_to_vect_compress(int mod,UINT *s0,int n,NM_ind_pair pair)
1.64 noro 4921: {
1.157 noro 4922: NM m;
4923: NMV mr;
4924: UINT *d,*t,*s;
4925: NDV p;
4926: unsigned char *ivc;
4927: unsigned short *ivs;
4928: UINT *v,*ivi,*s0v;
4929: int i,j,len,prev,diff,cdiff;
4930: IndArray r;
4931:
4932: m = pair->mul;
4933: d = DL(m);
4934: p = nd_ps[pair->index];
4935: len = LEN(p);
4936: t = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
4937: v = (unsigned int *)ALLOCA(len*sizeof(unsigned int));
4938: for ( i = j = 0, s = s0, mr = BDY(p); j < len; j++, NMV_ADV(mr) ) {
4939: ndl_add(d,DL(mr),t);
4940: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
4941: v[j] = i;
4942: }
4943: r = (IndArray)MALLOC(sizeof(struct oIndArray));
4944: r->head = v[0];
4945: diff = 0;
4946: for ( i = 1; i < len; i++ ) {
4947: cdiff = v[i]-v[i-1]; diff = MAX(cdiff,diff);
4948: }
4949: if ( diff < 256 ) {
4950: r->width = 1;
4951: ivc = (unsigned char *)MALLOC_ATOMIC(len*sizeof(unsigned char));
4952: r->index.c = ivc;
4953: for ( i = 1, ivc[0] = 0; i < len; i++ ) ivc[i] = v[i]-v[i-1];
4954: } else if ( diff < 65536 ) {
4955: r->width = 2;
4956: ivs = (unsigned short *)MALLOC_ATOMIC(len*sizeof(unsigned short));
4957: r->index.s = ivs;
4958: for ( i = 1, ivs[0] = 0; i < len; i++ ) ivs[i] = v[i]-v[i-1];
4959: } else {
4960: r->width = 4;
4961: ivi = (unsigned int *)MALLOC_ATOMIC(len*sizeof(unsigned int));
4962: r->index.i = ivi;
4963: for ( i = 1, ivi[0] = 0; i < len; i++ ) ivi[i] = v[i]-v[i-1];
4964: }
4965: return r;
1.64 noro 4966: }
4967:
1.135 noro 4968: int compress_array(Q *svect,Q *cvect,int n)
4969: {
1.157 noro 4970: int i,j;
1.135 noro 4971:
1.157 noro 4972: for ( i = j = 0; i < n; i++ )
4973: if ( svect[i] ) cvect[j++] = svect[i];
4974: return j;
1.135 noro 4975: }
4976:
4977: void expand_array(Q *svect,Q *cvect,int n)
4978: {
1.157 noro 4979: int i,j;
1.135 noro 4980:
1.157 noro 4981: for ( i = j = 0; j < n; i++ )
4982: if ( svect[i] ) svect[i] = cvect[j++];
1.135 noro 4983: }
4984:
1.133 noro 4985: int ndv_reduce_vect_q(Q *svect,int trace,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
1.107 noro 4986: {
1.157 noro 4987: int i,j,k,len,pos,prev,nz;
4988: Q cs,mcs,c1,c2,cr,gcd,t;
4989: IndArray ivect;
4990: unsigned char *ivc;
4991: unsigned short *ivs;
4992: unsigned int *ivi;
4993: NDV redv;
4994: NMV mr;
4995: NODE rp;
4996: int maxrs;
4997: double hmag;
4998: Q *cvect;
4999:
5000: maxrs = 0;
5001: for ( i = 0; i < col && !svect[i]; i++ );
5002: if ( i == col ) return maxrs;
5003: hmag = p_mag((P)svect[i])*nd_scale;
5004: cvect = (Q *)ALLOCA(col*sizeof(Q));
5005: for ( i = 0; i < nred; i++ ) {
5006: ivect = imat[i];
5007: k = ivect->head;
5008: if ( svect[k] ) {
5009: maxrs = MAX(maxrs,rp0[i]->sugar);
5010: redv = trace?nd_ps_trace[rp0[i]->index]:nd_ps[rp0[i]->index];
5011: len = LEN(redv); mr = BDY(redv);
5012: igcd_cofactor(svect[k],CQ(mr),&gcd,&cs,&cr);
5013: chsgnq(cs,&mcs);
5014: if ( !UNIQ(cr) ) {
5015: for ( j = 0; j < col; j++ ) {
5016: mulq(svect[j],cr,&c1); svect[j] = c1;
5017: }
5018: }
5019: svect[k] = 0; prev = k;
5020: switch ( ivect->width ) {
5021: case 1:
5022: ivc = ivect->index.c;
5023: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5024: pos = prev+ivc[j]; prev = pos;
5025: mulq(CQ(mr),mcs,&c2); addq(svect[pos],c2,&t); svect[pos] = t;
5026: }
5027: break;
5028: case 2:
5029: ivs = ivect->index.s;
5030: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5031: pos = prev+ivs[j]; prev = pos;
5032: mulq(CQ(mr),mcs,&c2); addq(svect[pos],c2,&t); svect[pos] = t;
5033: }
5034: break;
5035: case 4:
5036: ivi = ivect->index.i;
5037: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5038: pos = prev+ivi[j]; prev = pos;
5039: mulq(CQ(mr),mcs,&c2); addq(svect[pos],c2,&t); svect[pos] = t;
5040: }
5041: break;
5042: }
5043: for ( j = k+1; j < col && !svect[j]; j++ );
5044: if ( j == col ) break;
5045: if ( hmag && ((double)p_mag((P)svect[j]) > hmag) ) {
5046: nz = compress_array(svect,cvect,col);
5047: removecont_array((P *)cvect,nz,1);
5048: expand_array(svect,cvect,nz);
5049: hmag = ((double)p_mag((P)svect[j]))*nd_scale;
5050: }
5051: }
5052: }
5053: nz = compress_array(svect,cvect,col);
5054: removecont_array((P *)cvect,nz,1);
5055: expand_array(svect,cvect,nz);
5056: if ( DP_Print ) {
5057: fprintf(asir_out,"-"); fflush(asir_out);
5058: }
5059: return maxrs;
1.107 noro 5060: }
5061:
1.76 noro 5062: int ndv_reduce_vect(int m,UINT *svect,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
1.65 noro 5063: {
1.157 noro 5064: int i,j,k,len,pos,prev;
5065: UINT c,c1,c2,c3,up,lo,dmy;
5066: IndArray ivect;
5067: unsigned char *ivc;
5068: unsigned short *ivs;
5069: unsigned int *ivi;
5070: NDV redv;
5071: NMV mr;
5072: NODE rp;
5073: int maxrs;
5074:
5075: maxrs = 0;
5076: for ( i = 0; i < nred; i++ ) {
5077: ivect = imat[i];
5078: k = ivect->head; svect[k] %= m;
5079: if ( c = svect[k] ) {
5080: maxrs = MAX(maxrs,rp0[i]->sugar);
5081: c = m-c; redv = nd_ps[rp0[i]->index];
5082: len = LEN(redv); mr = BDY(redv);
5083: svect[k] = 0; prev = k;
5084: switch ( ivect->width ) {
5085: case 1:
5086: ivc = ivect->index.c;
5087: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5088: pos = prev+ivc[j]; c1 = CM(mr); c2 = svect[pos];
5089: prev = pos;
5090: DMA(c1,c,c2,up,lo);
5091: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
5092: } else svect[pos] = lo;
5093: }
5094: break;
5095: case 2:
5096: ivs = ivect->index.s;
5097: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5098: pos = prev+ivs[j]; c1 = CM(mr); c2 = svect[pos];
5099: prev = pos;
5100: DMA(c1,c,c2,up,lo);
5101: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
5102: } else svect[pos] = lo;
5103: }
5104: break;
5105: case 4:
5106: ivi = ivect->index.i;
5107: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5108: pos = prev+ivi[j]; c1 = CM(mr); c2 = svect[pos];
5109: prev = pos;
5110: DMA(c1,c,c2,up,lo);
5111: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
5112: } else svect[pos] = lo;
5113: }
5114: break;
5115: }
5116: }
5117: }
5118: for ( i = 0; i < col; i++ )
5119: if ( svect[i] >= (UINT)m ) svect[i] %= m;
5120: return maxrs;
1.65 noro 5121: }
5122:
1.76 noro 5123: int ndv_reduce_vect_sf(int m,UINT *svect,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
1.72 noro 5124: {
1.157 noro 5125: int i,j,k,len,pos,prev;
5126: UINT c,c1,c2,c3,up,lo,dmy;
5127: IndArray ivect;
5128: unsigned char *ivc;
5129: unsigned short *ivs;
5130: unsigned int *ivi;
5131: NDV redv;
5132: NMV mr;
5133: NODE rp;
5134: int maxrs;
5135:
5136: maxrs = 0;
5137: for ( i = 0; i < nred; i++ ) {
5138: ivect = imat[i];
5139: k = ivect->head; svect[k] %= m;
5140: if ( c = svect[k] ) {
5141: maxrs = MAX(maxrs,rp0[i]->sugar);
5142: c = _chsgnsf(c); redv = nd_ps[rp0[i]->index];
5143: len = LEN(redv); mr = BDY(redv);
5144: svect[k] = 0; prev = k;
5145: switch ( ivect->width ) {
5146: case 1:
5147: ivc = ivect->index.c;
5148: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5149: pos = prev+ivc[j]; prev = pos;
5150: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
5151: }
5152: break;
5153: case 2:
5154: ivs = ivect->index.s;
5155: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5156: pos = prev+ivs[j]; prev = pos;
5157: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
5158: }
5159: break;
5160: case 4:
5161: ivi = ivect->index.i;
5162: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5163: pos = prev+ivi[j]; prev = pos;
5164: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
5165: }
5166: break;
5167: }
5168: }
5169: }
5170: return maxrs;
1.72 noro 5171: }
5172:
1.65 noro 5173: NDV vect_to_ndv(UINT *vect,int spcol,int col,int *rhead,UINT *s0vect)
5174: {
1.157 noro 5175: int j,k,len;
5176: UINT *p;
5177: UINT c;
5178: NDV r;
5179: NMV mr0,mr;
5180:
5181: for ( j = 0, len = 0; j < spcol; j++ ) if ( vect[j] ) len++;
5182: if ( !len ) return 0;
5183: else {
5184: mr0 = (NMV)GC_malloc_atomic_ignore_off_page(nmv_adv*len);
1.103 noro 5185: #if 0
1.157 noro 5186: ndv_alloc += nmv_adv*len;
1.103 noro 5187: #endif
1.157 noro 5188: mr = mr0;
5189: p = s0vect;
5190: for ( j = k = 0; j < col; j++, p += nd_wpd )
5191: if ( !rhead[j] ) {
5192: if ( c = vect[k++] ) {
5193: ndl_copy(p,DL(mr)); CM(mr) = c; NMV_ADV(mr);
5194: }
5195: }
5196: MKNDV(nd_nvar,mr0,len,r);
5197: return r;
5198: }
1.65 noro 5199: }
5200:
1.129 noro 5201: /* for preprocessed vector */
5202:
1.113 noro 5203: NDV vect_to_ndv_q(Q *vect,int spcol,int col,int *rhead,UINT *s0vect)
1.107 noro 5204: {
1.157 noro 5205: int j,k,len;
5206: UINT *p;
5207: Q c;
5208: NDV r;
5209: NMV mr0,mr;
5210:
5211: for ( j = 0, len = 0; j < spcol; j++ ) if ( vect[j] ) len++;
5212: if ( !len ) return 0;
5213: else {
5214: mr0 = (NMV)GC_malloc(nmv_adv*len);
1.107 noro 5215: #if 0
1.157 noro 5216: ndv_alloc += nmv_adv*len;
1.107 noro 5217: #endif
1.157 noro 5218: mr = mr0;
5219: p = s0vect;
5220: for ( j = k = 0; j < col; j++, p += nd_wpd )
5221: if ( !rhead[j] ) {
5222: if ( c = vect[k++] ) {
5223: if ( DN(c) )
5224: error("afo");
5225: ndl_copy(p,DL(mr)); CQ(mr) = c; NMV_ADV(mr);
5226: }
5227: }
5228: MKNDV(nd_nvar,mr0,len,r);
5229: return r;
5230: }
1.107 noro 5231: }
5232:
1.129 noro 5233: /* for plain vector */
5234:
5235: NDV plain_vect_to_ndv_q(Q *vect,int col,UINT *s0vect)
5236: {
1.157 noro 5237: int j,k,len;
5238: UINT *p;
5239: Q c;
5240: NDV r;
5241: NMV mr0,mr;
5242:
5243: for ( j = 0, len = 0; j < col; j++ ) if ( vect[j] ) len++;
5244: if ( !len ) return 0;
5245: else {
5246: mr0 = (NMV)GC_malloc(nmv_adv*len);
1.129 noro 5247: #if 0
1.157 noro 5248: ndv_alloc += nmv_adv*len;
1.129 noro 5249: #endif
1.157 noro 5250: mr = mr0;
5251: p = s0vect;
5252: for ( j = k = 0; j < col; j++, p += nd_wpd, k++ )
5253: if ( c = vect[k] ) {
5254: if ( DN(c) )
5255: error("afo");
5256: ndl_copy(p,DL(mr)); CQ(mr) = c; NMV_ADV(mr);
5257: }
5258: MKNDV(nd_nvar,mr0,len,r);
5259: return r;
5260: }
1.129 noro 5261: }
5262:
1.133 noro 5263: int nd_sp_f4(int m,int trace,ND_pairs l,PGeoBucket bucket)
1.65 noro 5264: {
1.157 noro 5265: ND_pairs t;
5266: NODE sp0,sp;
5267: int stat;
5268: ND spol;
5269:
5270: for ( t = l; t; t = NEXT(t) ) {
5271: stat = nd_sp(m,trace,t,&spol);
5272: if ( !stat ) return 0;
5273: if ( spol ) {
5274: add_pbucket_symbolic(bucket,spol);
5275: }
5276: }
5277: return 1;
1.65 noro 5278: }
5279:
1.133 noro 5280: int nd_symbolic_preproc(PGeoBucket bucket,int trace,UINT **s0vect,NODE *r)
1.65 noro 5281: {
1.157 noro 5282: NODE rp0,rp;
5283: NM mul,head,s0,s;
5284: int index,col,i,sugar;
5285: RHist h;
5286: UINT *s0v,*p;
5287: NM_ind_pair pair;
5288: ND red;
5289: NDV *ps;
5290:
5291: s0 = 0; rp0 = 0; col = 0;
5292: ps = trace?nd_ps_trace:nd_ps;
5293: while ( 1 ) {
5294: head = remove_head_pbucket_symbolic(bucket);
5295: if ( !head ) break;
5296: if ( !s0 ) s0 = head;
5297: else NEXT(s) = head;
5298: s = head;
5299: index = ndl_find_reducer(DL(head));
5300: if ( index >= 0 ) {
5301: h = nd_psh[index];
5302: NEWNM(mul);
5303: ndl_sub(DL(head),DL(h),DL(mul));
5304: if ( ndl_check_bound2(index,DL(mul)) ) return 0;
5305: sugar = TD(DL(mul))+SG(ps[index]);
5306: MKNM_ind_pair(pair,mul,index,sugar);
5307: red = ndv_mul_nm_symbolic(mul,ps[index]);
5308: add_pbucket_symbolic(bucket,nd_remove_head(red));
5309: NEXTNODE(rp0,rp); BDY(rp) = (pointer)pair;
5310: }
5311: col++;
5312: }
5313: if ( rp0 ) NEXT(rp) = 0;
5314: NEXT(s) = 0;
5315: s0v = (UINT *)MALLOC_ATOMIC(col*nd_wpd*sizeof(UINT));
5316: for ( i = 0, p = s0v, s = s0; i < col;
5317: i++, p += nd_wpd, s = NEXT(s) ) ndl_copy(DL(s),p);
5318: *s0vect = s0v;
5319: *r = rp0;
5320: return col;
1.65 noro 5321: }
5322:
1.167 ! noro 5323: NODE nd_f4(int m,int **indp)
1.69 noro 5324: {
1.157 noro 5325: int i,nh,stat,index;
5326: NODE r,g;
5327: ND_pairs d,l,t;
5328: ND spol,red;
5329: NDV nf,redv;
5330: NM s0,s;
5331: NODE rp0,srp0,nflist;
5332: int nsp,nred,col,rank,len,k,j,a;
5333: UINT c;
5334: UINT **spmat;
5335: UINT *s0vect,*svect,*p,*v;
5336: int *colstat;
5337: IndArray *imat;
5338: int *rhead;
5339: int spcol,sprow;
5340: int sugar;
5341: PGeoBucket bucket;
5342: struct oEGT eg0,eg1,eg_f4;
1.69 noro 5343:
1.103 noro 5344: #if 0
1.157 noro 5345: ndv_alloc = 0;
1.103 noro 5346: #endif
1.157 noro 5347: g = 0; d = 0;
5348: for ( i = 0; i < nd_psn; i++ ) {
5349: d = update_pairs(d,g,i);
5350: g = update_base(g,i);
5351: }
5352: while ( d ) {
5353: get_eg(&eg0);
5354: l = nd_minsugarp(d,&d);
5355: sugar = SG(l);
5356: bucket = create_pbucket();
5357: stat = nd_sp_f4(m,0,l,bucket);
5358: if ( !stat ) {
5359: for ( t = l; NEXT(t); t = NEXT(t) );
5360: NEXT(t) = d; d = l;
5361: d = nd_reconstruct(0,d);
5362: continue;
5363: }
5364: if ( bucket->m < 0 ) continue;
5365: col = nd_symbolic_preproc(bucket,0,&s0vect,&rp0);
5366: if ( !col ) {
5367: for ( t = l; NEXT(t); t = NEXT(t) );
5368: NEXT(t) = d; d = l;
5369: d = nd_reconstruct(0,d);
5370: continue;
5371: }
5372: get_eg(&eg1); init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg1);
5373: if ( DP_Print )
5374: fprintf(asir_out,"sugar=%d,symb=%fsec,",
5375: sugar,eg_f4.exectime+eg_f4.gctime);
5376: if ( 1 )
5377: nflist = nd_f4_red(m,l,0,s0vect,col,rp0,0);
5378: else
5379: nflist = nd_f4_red_dist(m,l,s0vect,col,rp0,0);
5380: /* adding new bases */
5381: for ( r = nflist; r; r = NEXT(r) ) {
5382: nf = (NDV)BDY(r);
5383: ndv_removecont(m,nf);
5384: if ( !m && nd_nalg ) {
5385: ND nf1;
5386:
5387: nf1 = ndvtond(m,nf);
5388: nd_monic(0,&nf1);
5389: nd_removecont(m,nf1);
5390: nf = ndtondv(m,nf1);
5391: }
5392: nh = ndv_newps(m,nf,0);
5393: d = update_pairs(d,g,nh);
5394: g = update_base(g,nh);
5395: }
5396: }
1.103 noro 5397: #if 0
1.157 noro 5398: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
1.103 noro 5399: #endif
1.167 ! noro 5400: conv_ilist(0,0,g,indp);
1.157 noro 5401: return g;
1.69 noro 5402: }
1.74 noro 5403:
1.167 ! noro 5404: NODE nd_f4_trace(int m,int **indp)
1.133 noro 5405: {
1.157 noro 5406: int i,nh,stat,index;
5407: NODE r,g;
5408: ND_pairs d,l,l0,t;
5409: ND spol,red;
5410: NDV nf,redv,nfqv,nfv;
5411: NM s0,s;
5412: NODE rp0,srp0,nflist;
5413: int nsp,nred,col,rank,len,k,j,a;
5414: UINT c;
5415: UINT **spmat;
5416: UINT *s0vect,*svect,*p,*v;
5417: int *colstat;
5418: IndArray *imat;
5419: int *rhead;
5420: int spcol,sprow;
5421: int sugar;
5422: PGeoBucket bucket;
5423: struct oEGT eg0,eg1,eg_f4;
5424:
5425: g = 0; d = 0;
5426: for ( i = 0; i < nd_psn; i++ ) {
5427: d = update_pairs(d,g,i);
5428: g = update_base(g,i);
5429: }
5430: while ( d ) {
5431: get_eg(&eg0);
5432: l = nd_minsugarp(d,&d);
5433: sugar = SG(l);
5434: bucket = create_pbucket();
5435: stat = nd_sp_f4(m,0,l,bucket);
5436: if ( !stat ) {
5437: for ( t = l; NEXT(t); t = NEXT(t) );
5438: NEXT(t) = d; d = l;
5439: d = nd_reconstruct(1,d);
5440: continue;
5441: }
5442: if ( bucket->m < 0 ) continue;
5443: col = nd_symbolic_preproc(bucket,0,&s0vect,&rp0);
5444: if ( !col ) {
5445: for ( t = l; NEXT(t); t = NEXT(t) );
5446: NEXT(t) = d; d = l;
5447: d = nd_reconstruct(1,d);
5448: continue;
5449: }
5450: get_eg(&eg1); init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg1);
5451: if ( DP_Print )
5452: fprintf(asir_out,"sugar=%d,symb=%fsec,",
5453: sugar,eg_f4.exectime+eg_f4.gctime);
5454: nflist = nd_f4_red(m,l,0,s0vect,col,rp0,&l0);
5455: if ( !l0 ) continue;
5456: l = l0;
5457:
5458: /* over Q */
5459: bucket = create_pbucket();
5460: stat = nd_sp_f4(0,1,l,bucket);
5461: if ( !stat ) {
5462: for ( t = l; NEXT(t); t = NEXT(t) );
5463: NEXT(t) = d; d = l;
5464: d = nd_reconstruct(1,d);
5465: continue;
5466: }
5467: if ( bucket->m < 0 ) continue;
5468: col = nd_symbolic_preproc(bucket,1,&s0vect,&rp0);
5469: if ( !col ) {
5470: for ( t = l; NEXT(t); t = NEXT(t) );
5471: NEXT(t) = d; d = l;
5472: d = nd_reconstruct(1,d);
5473: continue;
5474: }
5475: nflist = nd_f4_red(0,l,1,s0vect,col,rp0,0);
5476: /* adding new bases */
5477: for ( r = nflist; r; r = NEXT(r) ) {
5478: nfqv = (NDV)BDY(r);
5479: ndv_removecont(0,nfqv);
5480: if ( !rem(NM(HCQ(nfqv)),m) ) return 0;
5481: if ( nd_nalg ) {
5482: ND nf1;
5483:
5484: nf1 = ndvtond(m,nfqv);
5485: nd_monic(0,&nf1);
5486: nd_removecont(0,nf1);
5487: nfqv = ndtondv(0,nf1); nd_free(nf1);
5488: }
5489: nfv = ndv_dup(0,nfqv);
5490: ndv_mod(m,nfv);
5491: ndv_removecont(m,nfv);
5492: nh = ndv_newps(0,nfv,nfqv);
5493: d = update_pairs(d,g,nh);
5494: g = update_base(g,nh);
5495: }
5496: }
1.133 noro 5497: #if 0
1.157 noro 5498: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
1.133 noro 5499: #endif
1.167 ! noro 5500: conv_ilist(0,1,g,indp);
1.157 noro 5501: return g;
1.133 noro 5502: }
5503:
5504: NODE nd_f4_red(int m,ND_pairs sp0,int trace,UINT *s0vect,int col,NODE rp0,ND_pairs *nz)
1.63 noro 5505: {
1.157 noro 5506: IndArray *imat;
5507: int nsp,nred,i;
5508: int *rhead;
5509: NODE r0,rp;
5510: ND_pairs sp;
5511: NM_ind_pair *rvect;
5512:
5513: for ( sp = sp0, nsp = 0; sp; sp = NEXT(sp), nsp++ );
5514: nred = length(rp0);
5515: imat = (IndArray *)ALLOCA(nred*sizeof(IndArray));
5516: rhead = (int *)ALLOCA(col*sizeof(int));
5517: for ( i = 0; i < col; i++ ) rhead[i] = 0;
5518:
5519: /* construction of index arrays */
5520: rvect = (NM_ind_pair *)ALLOCA(nred*sizeof(NM_ind_pair));
5521: for ( rp = rp0, i = 0; rp; i++, rp = NEXT(rp) ) {
5522: rvect[i] = (NM_ind_pair)BDY(rp);
5523: imat[i] = nm_ind_pair_to_vect_compress(m,s0vect,col,rvect[i]);
5524: rhead[imat[i]->head] = 1;
5525: }
5526: if ( m )
5527: r0 = nd_f4_red_main(m,sp0,nsp,s0vect,col,rvect,rhead,imat,nred,nz);
5528: else
5529: r0 = nd_f4_red_q_main(sp0,nsp,trace,s0vect,col,rvect,rhead,imat,nred);
5530: return r0;
1.106 noro 5531: }
1.74 noro 5532:
1.106 noro 5533: NODE nd_f4_red_main(int m,ND_pairs sp0,int nsp,UINT *s0vect,int col,
1.133 noro 5534: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred,ND_pairs *nz)
1.106 noro 5535: {
1.157 noro 5536: int spcol,sprow,a;
5537: int i,j,k,l,rank;
5538: NODE r0,r;
5539: ND_pairs sp;
5540: ND spol;
5541: int **spmat;
5542: UINT *svect,*v;
5543: int *colstat;
5544: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
5545: int maxrs;
5546: int *spsugar;
5547: ND_pairs *spactive;
5548:
5549: spcol = col-nred;
5550: get_eg(&eg0);
5551: /* elimination (1st step) */
5552: spmat = (int **)ALLOCA(nsp*sizeof(UINT *));
5553: svect = (UINT *)ALLOCA(col*sizeof(UINT));
5554: spsugar = (int *)ALLOCA(nsp*sizeof(UINT));
5555: spactive = !nz?0:(ND_pairs *)ALLOCA(nsp*sizeof(ND_pairs));
5556: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
5557: nd_sp(m,0,sp,&spol);
5558: if ( !spol ) continue;
5559: nd_to_vect(m,s0vect,col,spol,svect);
5560: if ( m == -1 )
5561: maxrs = ndv_reduce_vect_sf(m,svect,col,imat,rvect,nred);
5562: else
5563: maxrs = ndv_reduce_vect(m,svect,col,imat,rvect,nred);
5564: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
5565: if ( i < col ) {
5566: spmat[sprow] = v = (UINT *)MALLOC_ATOMIC(spcol*sizeof(UINT));
5567: for ( j = k = 0; j < col; j++ )
5568: if ( !rhead[j] ) v[k++] = svect[j];
5569: spsugar[sprow] = MAX(maxrs,SG(spol));
5570: if ( nz )
5571: spactive[sprow] = sp;
5572: sprow++;
5573: }
5574: nd_free(spol);
5575: }
5576: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1);
5577: if ( DP_Print ) {
5578: fprintf(asir_out,"elim1=%fsec,",eg_f4_1.exectime+eg_f4_1.gctime);
5579: fflush(asir_out);
5580: }
5581: /* free index arrays */
5582: for ( i = 0; i < nred; i++ ) GC_free(imat[i]->index.c);
5583:
5584: /* elimination (2nd step) */
5585: colstat = (int *)ALLOCA(spcol*sizeof(int));
5586: if ( m == -1 )
5587: rank = nd_gauss_elim_sf(spmat,spsugar,sprow,spcol,m,colstat);
5588: else
5589: rank = nd_gauss_elim_mod(spmat,spsugar,spactive,sprow,spcol,m,colstat);
5590: r0 = 0;
5591: for ( i = 0; i < rank; i++ ) {
5592: NEXTNODE(r0,r); BDY(r) =
5593: (pointer)vect_to_ndv(spmat[i],spcol,col,rhead,s0vect);
5594: SG((NDV)BDY(r)) = spsugar[i];
5595: GC_free(spmat[i]);
5596: }
5597: if ( r0 ) NEXT(r) = 0;
5598:
5599: for ( ; i < sprow; i++ ) GC_free(spmat[i]);
5600: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2);
5601: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
5602: if ( DP_Print ) {
5603: fprintf(asir_out,"elim2=%fsec\n",eg_f4_2.exectime+eg_f4_2.gctime);
5604: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
5605: nsp,nred,sprow,spcol,rank);
5606: fprintf(asir_out,"%fsec\n",eg_f4.exectime+eg_f4.gctime);
5607: }
5608: if ( nz ) {
5609: for ( i = 0; i < rank-1; i++ ) NEXT(spactive[i]) = spactive[i+1];
5610: if ( rank > 0 ) {
5611: NEXT(spactive[rank-1]) = 0;
5612: *nz = spactive[0];
5613: } else
5614: *nz = 0;
5615: }
5616: return r0;
1.74 noro 5617: }
5618:
1.133 noro 5619: #if 1
5620: NODE nd_f4_red_q_main(ND_pairs sp0,int nsp,int trace,UINT *s0vect,int col,
1.107 noro 5621: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred)
5622: {
1.157 noro 5623: int spcol,sprow,a;
5624: int i,j,k,l,rank;
5625: NODE r0,r;
5626: ND_pairs sp;
5627: ND spol;
5628: Q **spmat;
5629: Q *svect,*v;
5630: int *colstat;
5631: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
5632: int maxrs;
5633: int *spsugar;
5634: pointer *w;
5635:
5636: spcol = col-nred;
5637: get_eg(&eg0);
5638: /* elimination (1st step) */
5639: spmat = (Q **)ALLOCA(nsp*sizeof(Q *));
5640: svect = (Q *)ALLOCA(col*sizeof(Q));
5641: spsugar = (int *)ALLOCA(nsp*sizeof(Q));
5642: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
5643: nd_sp(0,trace,sp,&spol);
5644: if ( !spol ) continue;
5645: nd_to_vect_q(s0vect,col,spol,svect);
5646: maxrs = ndv_reduce_vect_q(svect,trace,col,imat,rvect,nred);
5647: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
5648: if ( i < col ) {
5649: spmat[sprow] = v = (Q *)MALLOC(spcol*sizeof(Q));
5650: for ( j = k = 0; j < col; j++ )
5651: if ( !rhead[j] ) v[k++] = svect[j];
5652: spsugar[sprow] = MAX(maxrs,SG(spol));
5653: sprow++;
5654: }
5655: /* nd_free(spol); */
5656: }
5657: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1);
5658: if ( DP_Print ) {
5659: fprintf(asir_out,"elim1=%fsec,",eg_f4_1.exectime+eg_f4_1.gctime);
5660: fflush(asir_out);
5661: }
5662: /* free index arrays */
5663: /* for ( i = 0; i < nred; i++ ) GC_free(imat[i]->index.c); */
5664:
5665: /* elimination (2nd step) */
5666: colstat = (int *)ALLOCA(spcol*sizeof(int));
5667: rank = nd_gauss_elim_q(spmat,spsugar,sprow,spcol,colstat);
5668: w = (pointer *)ALLOCA(rank*sizeof(pointer));
5669: for ( i = 0; i < rank; i++ ) {
5670: w[rank-i-1] = (pointer)vect_to_ndv_q(spmat[i],spcol,col,rhead,s0vect);
5671: SG((NDV)w[rank-i-1]) = spsugar[i];
5672: /* GC_free(spmat[i]); */
5673: }
1.138 noro 5674: #if 0
1.157 noro 5675: qsort(w,rank,sizeof(NDV),
5676: (int (*)(const void *,const void *))ndv_compare);
1.137 noro 5677: #endif
1.157 noro 5678: r0 = 0;
5679: for ( i = 0; i < rank; i++ ) {
5680: NEXTNODE(r0,r); BDY(r) = w[i];
5681: }
5682: if ( r0 ) NEXT(r) = 0;
5683:
5684: /* for ( ; i < sprow; i++ ) GC_free(spmat[i]); */
5685: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2);
5686: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
5687: if ( DP_Print ) {
5688: fprintf(asir_out,"elim2=%fsec\n",eg_f4_2.exectime+eg_f4_2.gctime);
5689: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
5690: nsp,nred,sprow,spcol,rank);
5691: fprintf(asir_out,"%fsec\n",eg_f4.exectime+eg_f4.gctime);
5692: }
5693: return r0;
1.107 noro 5694: }
1.129 noro 5695: #else
5696: void printm(Q **mat,int row,int col)
5697: {
1.157 noro 5698: int i,j;
5699: printf("[");
5700: for ( i = 0; i < row; i++ ) {
5701: for ( j = 0; j < col; j++ ) {
5702: printexpr(CO,mat[i][j]); printf(" ");
5703: }
5704: printf("]\n");
5705: }
1.129 noro 5706: }
5707:
5708: NODE nd_f4_red_q_main(ND_pairs sp0,int nsp,UINT *s0vect,int col,
5709: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred)
5710: {
1.157 noro 5711: int row,a;
5712: int i,j,rank;
5713: NODE r0,r;
5714: ND_pairs sp;
5715: ND spol;
5716: Q **mat;
5717: int *colstat;
5718: int *sugar;
5719:
5720: row = nsp+nred;
5721: /* make the matrix */
5722: mat = (Q **)ALLOCA(row*sizeof(Q *));
5723: sugar = (int *)ALLOCA(row*sizeof(int));
5724: for ( row = a = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
5725: nd_sp(0,0,sp,&spol);
5726: if ( !spol ) continue;
5727: mat[row] = (Q *)MALLOC(col*sizeof(Q));
5728: nd_to_vect_q(s0vect,col,spol,mat[row]);
5729: sugar[row] = SG(spol);
5730: row++;
5731: }
5732: for ( i = 0; i < nred; i++, row++ ) {
5733: mat[row] = nm_ind_pair_to_vect(0,s0vect,col,rvect[i]);
5734: sugar[row] = rvect[i]->sugar;
5735: }
5736: /* elimination */
5737: colstat = (int *)ALLOCA(col*sizeof(int));
5738: rank = nd_gauss_elim_q(mat,sugar,row,col,colstat);
5739: r0 = 0;
5740: for ( i = 0; i < rank; i++ ) {
5741: for ( j = 0; j < col; j++ ) if ( mat[i][j] ) break;
5742: if ( j == col ) error("nd_f4_red_q_main : cannot happen");
5743: if ( rhead[j] ) continue;
5744: NEXTNODE(r0,r); BDY(r) =
5745: (pointer)plain_vect_to_ndv_q(mat[i],col,s0vect);
5746: SG((NDV)BDY(r)) = sugar[i];
5747: }
5748: if ( r0 ) NEXT(r) = 0;
5749: printf("\n");
5750: return r0;
1.129 noro 5751: }
5752: #endif
1.107 noro 5753:
1.74 noro 5754: FILE *nd_write,*nd_read;
5755:
5756: void nd_send_int(int a) {
1.157 noro 5757: write_int(nd_write,&a);
1.74 noro 5758: }
5759:
5760: void nd_send_intarray(int *p,int len) {
1.157 noro 5761: write_intarray(nd_write,p,len);
1.74 noro 5762: }
5763:
5764: int nd_recv_int() {
1.157 noro 5765: int a;
1.74 noro 5766:
1.157 noro 5767: read_int(nd_read,&a);
5768: return a;
1.74 noro 5769: }
5770:
5771: void nd_recv_intarray(int *p,int len) {
1.157 noro 5772: read_intarray(nd_read,p,len);
1.74 noro 5773: }
5774:
5775: void nd_send_ndv(NDV p) {
1.157 noro 5776: int len,i;
5777: NMV m;
1.74 noro 5778:
1.157 noro 5779: if ( !p ) nd_send_int(0);
5780: else {
5781: len = LEN(p);
5782: nd_send_int(len);
5783: m = BDY(p);
5784: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
5785: nd_send_int(CM(m));
5786: nd_send_intarray(DL(m),nd_wpd);
5787: }
5788: }
1.74 noro 5789: }
5790:
5791: void nd_send_nd(ND p) {
1.157 noro 5792: int len,i;
5793: NM m;
1.74 noro 5794:
1.157 noro 5795: if ( !p ) nd_send_int(0);
5796: else {
5797: len = LEN(p);
5798: nd_send_int(len);
5799: m = BDY(p);
5800: for ( i = 0; i < len; i++, m = NEXT(m) ) {
5801: nd_send_int(CM(m));
5802: nd_send_intarray(DL(m),nd_wpd);
5803: }
5804: }
1.74 noro 5805: }
1.65 noro 5806:
1.74 noro 5807: NDV nd_recv_ndv()
5808: {
1.157 noro 5809: int len,i;
5810: NMV m,m0;
5811: NDV r;
5812:
5813: len = nd_recv_int();
5814: if ( !len ) return 0;
5815: else {
5816: m0 = m = (NMV)GC_malloc_atomic_ignore_off_page(nmv_adv*len);
1.103 noro 5817: #if 0
1.157 noro 5818: ndv_alloc += len*nmv_adv;
1.103 noro 5819: #endif
1.157 noro 5820: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
5821: CM(m) = nd_recv_int();
5822: nd_recv_intarray(DL(m),nd_wpd);
5823: }
5824: MKNDV(nd_nvar,m0,len,r);
5825: return r;
5826: }
1.74 noro 5827: }
1.65 noro 5828:
1.74 noro 5829: int ox_exec_f4_red(Q proc)
5830: {
1.157 noro 5831: Obj obj;
5832: STRING fname;
5833: NODE arg;
5834: int s;
5835: extern int ox_need_conv,ox_file_io;
5836:
5837: MKSTR(fname,"nd_exec_f4_red");
5838: arg = mknode(2,proc,fname);
5839: Pox_cmo_rpc(arg,&obj);
5840: s = get_ox_server_id(QTOS(proc));
5841: nd_write = iofp[s].out;
5842: nd_read = iofp[s].in;
5843: ox_need_conv = ox_file_io = 0;
5844: return s;
1.74 noro 5845: }
5846:
1.133 noro 5847: NODE nd_f4_red_dist(int m,ND_pairs sp0,UINT *s0vect,int col,NODE rp0,ND_pairs *nz)
1.74 noro 5848: {
1.157 noro 5849: int nsp,nred;
5850: int i,rank,s;
5851: NODE rp,r0,r;
5852: ND_pairs sp;
5853: NM_ind_pair pair;
5854: NMV nmv;
5855: NM nm;
5856: NDV nf;
5857: Obj proc,dmy;
5858:
5859: ox_launch_main(0,0,&proc);
5860: s = ox_exec_f4_red((Q)proc);
5861:
5862: nd_send_int(m);
5863: nd_send_int(nd_nvar);
5864: nd_send_int(nd_bpe);
5865: nd_send_int(nd_wpd);
5866: nd_send_int(nmv_adv);
5867:
5868: saveobj(nd_write,dp_current_spec->obj); fflush(nd_write);
5869:
5870: nd_send_int(nd_psn);
5871: for ( i = 0; i < nd_psn; i++ ) nd_send_ndv(nd_ps[i]);
5872:
5873: for ( sp = sp0, nsp = 0; sp; sp = NEXT(sp), nsp++ );
5874: nd_send_int(nsp);
5875: for ( i = 0, sp = sp0; i < nsp; i++, sp = NEXT(sp) ) {
5876: nd_send_int(sp->i1); nd_send_int(sp->i2);
5877: }
5878:
5879: nd_send_int(col); nd_send_intarray(s0vect,col*nd_wpd);
5880:
5881: nred = length(rp0); nd_send_int(nred);
5882: for ( i = 0, rp = rp0; i < nred; i++, rp = NEXT(rp) ) {
5883: pair = (NM_ind_pair)BDY(rp);
5884: nd_send_int(pair->index);
5885: nd_send_intarray(pair->mul->dl,nd_wpd);
5886: }
5887: fflush(nd_write);
5888: rank = nd_recv_int();
5889: fprintf(asir_out,"rank=%d\n",rank);
5890: r0 = 0;
5891: for ( i = 0; i < rank; i++ ) {
5892: nf = nd_recv_ndv();
5893: NEXTNODE(r0,r); BDY(r) = (pointer)nf;
5894: }
5895: Pox_shutdown(mknode(1,proc),&dmy);
5896: return r0;
1.74 noro 5897: }
5898:
5899: /* server side */
5900:
5901: void nd_exec_f4_red_dist()
5902: {
1.157 noro 5903: int m,i,nsp,col,s0size,nred,spcol,j,k;
5904: NM_ind_pair *rp0;
5905: NDV nf;
5906: UINT *s0vect;
5907: IndArray *imat;
5908: int *rhead;
5909: int **spmat;
5910: UINT *svect,*v;
5911: ND_pairs *sp0;
5912: int *colstat;
5913: int a,sprow,rank;
5914: struct order_spec *ord;
5915: Obj ordspec;
5916: ND spol;
5917: int maxrs;
5918: int *spsugar;
5919:
5920: nd_read = iofp[0].in;
5921: nd_write = iofp[0].out;
5922: m = nd_recv_int();
5923: nd_nvar = nd_recv_int();
5924: nd_bpe = nd_recv_int();
5925: nd_wpd = nd_recv_int();
5926: nmv_adv = nd_recv_int();
5927:
5928: loadobj(nd_read,&ordspec);
5929: create_order_spec(0,ordspec,&ord);
5930: nd_init_ord(ord);
5931: nd_setup_parameters(nd_nvar,0);
5932:
5933: nd_psn = nd_recv_int();
5934: nd_ps = (NDV *)MALLOC(nd_psn*sizeof(NDV));
5935: nd_bound = (UINT **)MALLOC(nd_psn*sizeof(UINT *));
5936: for ( i = 0; i < nd_psn; i++ ) {
5937: nd_ps[i] = nd_recv_ndv();
5938: nd_bound[i] = ndv_compute_bound(nd_ps[i]);
5939: }
5940:
5941: nsp = nd_recv_int();
5942: sp0 = (ND_pairs *)MALLOC(nsp*sizeof(ND_pairs));
5943: for ( i = 0; i < nsp; i++ ) {
5944: NEWND_pairs(sp0[i]);
5945: sp0[i]->i1 = nd_recv_int(); sp0[i]->i2 = nd_recv_int();
5946: ndl_lcm(HDL(nd_ps[sp0[i]->i1]),HDL(nd_ps[sp0[i]->i2]),LCM(sp0[i]));
5947: }
5948:
5949: col = nd_recv_int();
5950: s0size = col*nd_wpd;
5951: s0vect = (UINT *)MALLOC(s0size*sizeof(UINT));
5952: nd_recv_intarray(s0vect,s0size);
5953:
5954: nred = nd_recv_int();
5955: rp0 = (NM_ind_pair *)MALLOC(nred*sizeof(NM_ind_pair));
5956: for ( i = 0; i < nred; i++ ) {
5957: rp0[i] = (NM_ind_pair)MALLOC(sizeof(struct oNM_ind_pair));
5958: rp0[i]->index = nd_recv_int();
5959: rp0[i]->mul = (NM)MALLOC(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
5960: nd_recv_intarray(rp0[i]->mul->dl,nd_wpd);
5961: }
5962:
5963: spcol = col-nred;
5964: imat = (IndArray *)MALLOC(nred*sizeof(IndArray));
5965: rhead = (int *)MALLOC(col*sizeof(int));
5966: for ( i = 0; i < col; i++ ) rhead[i] = 0;
5967:
5968: /* construction of index arrays */
5969: for ( i = 0; i < nred; i++ ) {
5970: imat[i] = nm_ind_pair_to_vect_compress(m,s0vect,col,rp0[i]);
5971: rhead[imat[i]->head] = 1;
5972: }
5973:
5974: /* elimination (1st step) */
5975: spmat = (int **)MALLOC(nsp*sizeof(UINT *));
5976: svect = (UINT *)MALLOC(col*sizeof(UINT));
5977: spsugar = (int *)ALLOCA(nsp*sizeof(UINT));
5978: for ( a = sprow = 0; a < nsp; a++ ) {
5979: nd_sp(m,0,sp0[a],&spol);
5980: if ( !spol ) continue;
5981: nd_to_vect(m,s0vect,col,spol,svect);
5982: if ( m == -1 )
5983: maxrs = ndv_reduce_vect_sf(m,svect,col,imat,rp0,nred);
5984: else
5985: maxrs = ndv_reduce_vect(m,svect,col,imat,rp0,nred);
5986: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
5987: if ( i < col ) {
5988: spmat[sprow] = v = (UINT *)MALLOC(spcol*sizeof(UINT));
5989: for ( j = k = 0; j < col; j++ )
5990: if ( !rhead[j] ) v[k++] = svect[j];
5991: spsugar[sprow] = MAX(maxrs,SG(spol));
5992: sprow++;
5993: }
5994: nd_free(spol);
5995: }
5996: /* elimination (2nd step) */
5997: colstat = (int *)ALLOCA(spcol*sizeof(int));
5998: if ( m == -1 )
5999: rank = nd_gauss_elim_sf(spmat,spsugar,sprow,spcol,m,colstat);
6000: else
6001: rank = nd_gauss_elim_mod(spmat,spsugar,0,sprow,spcol,m,colstat);
6002: nd_send_int(rank);
6003: for ( i = 0; i < rank; i++ ) {
6004: nf = vect_to_ndv(spmat[i],spcol,col,rhead,s0vect);
6005: nd_send_ndv(nf);
6006: }
6007: fflush(nd_write);
1.107 noro 6008: }
6009:
1.113 noro 6010: int nd_gauss_elim_q(Q **mat0,int *sugar,int row,int col,int *colstat)
1.107 noro 6011: {
1.157 noro 6012: int mod,i,j,t,c,rank,rank0,inv;
6013: int *ci,*ri;
6014: Q dn;
6015: MAT m,nm;
6016: int **wmat;
6017:
6018: /* XXX */
6019: mod = 99999989;
6020: wmat = (int **)ALLOCA(row*sizeof(int *));
6021: for ( i = 0; i < row; i++ ) {
6022: wmat[i] = (int *)ALLOCA(col*sizeof(int));
6023: for ( j = 0; j < col; j++ ) {
6024: if ( mat0[i][j] ) {
6025: t = rem(NM(mat0[i][j]),mod);
6026: if ( SGN(mat0[i][j]) < 0 ) t = mod-t;
6027: wmat[i][j] = t;
6028: } else
6029: wmat[i][j] = 0;
6030: }
6031: }
6032: rank0 = nd_gauss_elim_mod(wmat,sugar,0,row,col,mod,colstat);
6033: NEWMAT(m); m->row = row; m->col = col; m->body = (pointer **)mat0;
6034: rank = generic_gauss_elim(m,&nm,&dn,&ri,&ci);
6035: if ( rank != rank0 )
6036: error("afo");
6037: for ( i = 0; i < row; i++ )
6038: for ( j = 0; j < col; j++ )
6039: mat0[i][j] = 0;
6040: c = col-rank;
6041: for ( i = 0; i < rank; i++ ) {
6042: mat0[i][ri[i]] = dn;
6043: for ( j = 0; j < c; j++ )
6044: mat0[i][ci[j]] = (Q)BDY(nm)[i][j];
6045: }
6046: inv = invm(rem(NM(dn),mod),mod);
6047: if ( SGN(dn) < 0 ) inv = mod-inv;
6048: for ( i = 0; i < row; i++ )
6049: for ( j = 0; j < col; j++ ) {
6050: if ( mat0[i][j] ) {
6051: t = rem(NM(mat0[i][j]),mod);
6052: if ( SGN(mat0[i][j]) < 0 ) t = mod-t;
6053: } else
6054: t = 0;
6055: c = dmar(t,inv,0,mod);
6056: if ( wmat[i][j] != c )
6057: error("afo");
6058: }
6059: return rank;
1.76 noro 6060: }
6061:
1.133 noro 6062: int nd_gauss_elim_mod(int **mat0,int *sugar,ND_pairs *spactive,int row,int col,int md,int *colstat)
1.76 noro 6063: {
1.157 noro 6064: int i,j,k,l,inv,a,rank,s;
6065: unsigned int *t,*pivot,*pk;
6066: unsigned int **mat;
6067: ND_pairs pair;
6068:
6069: mat = (unsigned int **)mat0;
6070: for ( rank = 0, j = 0; j < col; j++ ) {
6071: for ( i = rank; i < row; i++ )
6072: mat[i][j] %= md;
6073: for ( i = rank; i < row; i++ )
6074: if ( mat[i][j] )
6075: break;
6076: if ( i == row ) {
6077: colstat[j] = 0;
6078: continue;
6079: } else
6080: colstat[j] = 1;
6081: if ( i != rank ) {
6082: t = mat[i]; mat[i] = mat[rank]; mat[rank] = t;
6083: s = sugar[i]; sugar[i] = sugar[rank]; sugar[rank] = s;
6084: if ( spactive ) {
6085: pair = spactive[i]; spactive[i] = spactive[rank];
6086: spactive[rank] = pair;
6087: }
6088: }
6089: pivot = mat[rank];
6090: s = sugar[rank];
6091: inv = invm(pivot[j],md);
6092: for ( k = j, pk = pivot+k; k < col; k++, pk++ )
6093: if ( *pk ) {
6094: if ( *pk >= (unsigned int)md )
6095: *pk %= md;
6096: DMAR(*pk,inv,0,md,*pk)
6097: }
6098: for ( i = rank+1; i < row; i++ ) {
6099: t = mat[i];
6100: if ( a = t[j] ) {
6101: sugar[i] = MAX(sugar[i],s);
6102: red_by_vect(md,t+j,pivot+j,md-a,col-j);
6103: }
6104: }
6105: rank++;
6106: }
6107: for ( j = col-1, l = rank-1; j >= 0; j-- )
6108: if ( colstat[j] ) {
6109: pivot = mat[l];
6110: s = sugar[l];
6111: for ( i = 0; i < l; i++ ) {
6112: t = mat[i];
6113: t[j] %= md;
6114: if ( a = t[j] ) {
6115: sugar[i] = MAX(sugar[i],s);
6116: red_by_vect(md,t+j,pivot+j,md-a,col-j);
6117: }
6118: }
6119: l--;
6120: }
6121: for ( j = 0, l = 0; l < rank; j++ )
6122: if ( colstat[j] ) {
6123: t = mat[l];
6124: for ( k = j; k < col; k++ )
6125: if ( t[k] >= (unsigned int)md )
6126: t[k] %= md;
6127: l++;
6128: }
6129: return rank;
1.76 noro 6130: }
6131:
6132: int nd_gauss_elim_sf(int **mat0,int *sugar,int row,int col,int md,int *colstat)
6133: {
1.157 noro 6134: int i,j,k,l,inv,a,rank,s;
6135: unsigned int *t,*pivot,*pk;
6136: unsigned int **mat;
6137:
6138: mat = (unsigned int **)mat0;
6139: for ( rank = 0, j = 0; j < col; j++ ) {
6140: for ( i = rank; i < row; i++ )
6141: if ( mat[i][j] )
6142: break;
6143: if ( i == row ) {
6144: colstat[j] = 0;
6145: continue;
6146: } else
6147: colstat[j] = 1;
6148: if ( i != rank ) {
6149: t = mat[i]; mat[i] = mat[rank]; mat[rank] = t;
6150: s = sugar[i]; sugar[i] = sugar[rank]; sugar[rank] = s;
6151: }
6152: pivot = mat[rank];
6153: s = sugar[rank];
6154: inv = _invsf(pivot[j]);
6155: for ( k = j, pk = pivot+k; k < col; k++, pk++ )
6156: if ( *pk )
6157: *pk = _mulsf(*pk,inv);
6158: for ( i = rank+1; i < row; i++ ) {
6159: t = mat[i];
6160: if ( a = t[j] ) {
6161: sugar[i] = MAX(sugar[i],s);
6162: red_by_vect_sf(md,t+j,pivot+j,_chsgnsf(a),col-j);
6163: }
6164: }
6165: rank++;
6166: }
6167: for ( j = col-1, l = rank-1; j >= 0; j-- )
6168: if ( colstat[j] ) {
6169: pivot = mat[l];
6170: s = sugar[l];
6171: for ( i = 0; i < l; i++ ) {
6172: t = mat[i];
6173: if ( a = t[j] ) {
6174: sugar[i] = MAX(sugar[i],s);
6175: red_by_vect_sf(md,t+j,pivot+j,_chsgnsf(a),col-j);
6176: }
6177: }
6178: l--;
6179: }
6180: return rank;
1.77 noro 6181: }
6182:
6183: int ndv_ishomo(NDV p)
6184: {
1.157 noro 6185: NMV m;
6186: int len,h;
1.77 noro 6187:
1.157 noro 6188: if ( !p ) return 1;
6189: len = LEN(p);
6190: m = BDY(p);
6191: h = TD(DL(m));
6192: NMV_ADV(m);
6193: for ( len--; len; len--, NMV_ADV(m) )
6194: if ( TD(DL(m)) != h ) return 0;
6195: return 1;
1.77 noro 6196: }
6197:
6198: void ndv_save(NDV p,int index)
6199: {
1.157 noro 6200: FILE *s;
6201: char name[BUFSIZ];
6202: short id;
6203: int nv,sugar,len,n,i,td,e,j;
6204: NMV m;
6205: unsigned int *dl;
6206: int mpos;
6207:
6208: sprintf(name,"%s/%d",Demand,index);
6209: s = fopen(name,"w");
6210: savevl(s,0);
6211: if ( !p ) {
6212: saveobj(s,0);
6213: return;
6214: }
6215: id = O_DP;
6216: nv = NV(p);
6217: sugar = SG(p);
6218: len = LEN(p);
6219: write_short(s,&id); write_int(s,&nv); write_int(s,&sugar);
6220: write_int(s,&len);
6221:
6222: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
6223: saveobj(s,(Obj)CQ(m));
6224: dl = DL(m);
6225: td = TD(dl);
6226: write_int(s,&td);
6227: for ( j = 0; j < nv; j++ ) {
6228: e = GET_EXP(dl,j);
6229: write_int(s,&e);
6230: }
6231: if ( nd_module ) {
6232: mpos = MPOS(dl); write_int(s,&mpos);
6233: }
6234: }
6235: fclose(s);
1.77 noro 6236: }
6237:
6238: NDV ndv_load(int index)
6239: {
1.157 noro 6240: FILE *s;
6241: char name[BUFSIZ];
6242: short id;
6243: int nv,sugar,len,n,i,td,e,j;
6244: NDV d;
6245: NMV m0,m;
6246: unsigned int *dl;
6247: Obj obj;
6248: int mpos;
6249:
6250: sprintf(name,"%s/%d",Demand,index);
6251: s = fopen(name,"r");
6252: if ( !s ) return 0;
6253:
6254: skipvl(s);
6255: read_short(s,&id);
6256: if ( !id ) return 0;
6257: read_int(s,&nv);
6258: read_int(s,&sugar);
6259: read_int(s,&len);
6260:
6261: m0 = m = MALLOC(len*nmv_adv);
6262: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6263: loadobj(s,&obj); CQ(m) = (Q)obj;
6264: dl = DL(m);
6265: ndl_zero(dl);
6266: read_int(s,&td); TD(dl) = td;
6267: for ( j = 0; j < nv; j++ ) {
6268: read_int(s,&e);
6269: PUT_EXP(dl,j,e);
6270: }
6271: if ( nd_module ) {
6272: read_int(s,&mpos); MPOS(dl) = mpos;
6273: }
6274: if ( nd_blockmask ) ndl_weight_mask(dl);
6275: }
6276: fclose(s);
6277: MKNDV(nv,m0,len,d);
6278: SG(d) = sugar;
6279: return d;
1.99 noro 6280: }
6281:
1.102 noro 6282: void nd_det(int mod,MAT f,P *rp)
1.99 noro 6283: {
1.157 noro 6284: VL fv,tv;
6285: int n,i,j,max,e,nvar,sgn,k0,l0,len0,len,k,l,a;
6286: pointer **m;
6287: Q mone;
6288: P **w;
6289: P mp,r;
6290: NDV **dm;
6291: NDV *t,*mi,*mj;
6292: NDV d,s,mij,mjj;
6293: ND u;
6294: NMV nmv;
6295: UINT *bound;
6296: PGeoBucket bucket;
6297: struct order_spec *ord;
6298: Q dq,dt,ds;
6299: N gn,qn,dn0,nm,dn;
6300:
6301: create_order_spec(0,0,&ord);
6302: nd_init_ord(ord);
6303: get_vars((Obj)f,&fv);
6304: if ( f->row != f->col )
6305: error("nd_det : non-square matrix");
6306: n = f->row;
6307: m = f->body;
6308: for ( nvar = 0, tv = fv; tv; tv = NEXT(tv), nvar++ );
6309:
6310: if ( !nvar ) {
6311: if ( !mod )
6312: detp(CO,(P **)m,n,rp);
6313: else {
6314: w = (P **)almat_pointer(n,n);
6315: for ( i = 0; i < n; i++ )
6316: for ( j = 0; j < n; j++ )
6317: ptomp(mod,(P)m[i][j],&w[i][j]);
6318: detmp(CO,mod,w,n,&mp);
6319: mptop(mp,rp);
6320: }
6321: return;
6322: }
6323:
6324: if ( !mod ) {
6325: w = (P **)almat_pointer(n,n);
6326: dq = ONE;
6327: for ( i = 0; i < n; i++ ) {
6328: dn0 = ONEN;
6329: for ( j = 0; j < n; j++ ) {
6330: if ( !m[i][j] ) continue;
6331: lgp(m[i][j],&nm,&dn);
6332: gcdn(dn0,dn,&gn); divsn(dn0,gn,&qn); muln(qn,dn,&dn0);
6333: }
6334: if ( !UNIN(dn0) ) {
6335: NTOQ(dn0,1,ds);
6336: for ( j = 0; j < n; j++ )
6337: mulp(CO,(P)m[i][j],(P)ds,&w[i][j]);
6338: mulq(dq,ds,&dt); dq = dt;
6339: } else
6340: for ( j = 0; j < n; j++ )
6341: w[i][j] = (P)m[i][j];
6342: }
6343: m = (pointer **)w;
6344: }
6345:
6346: for ( i = 0, max = 0; i < n; i++ )
6347: for ( j = 0; j < n; j++ )
6348: for ( tv = fv; tv; tv = NEXT(tv) ) {
6349: e = getdeg(tv->v,(P)m[i][j]);
6350: max = MAX(e,max);
6351: }
6352: nd_setup_parameters(nvar,max);
6353: dm = (NDV **)almat_pointer(n,n);
6354: for ( i = 0, max = 0; i < n; i++ )
6355: for ( j = 0; j < n; j++ ) {
6356: dm[i][j] = ptondv(CO,fv,m[i][j]);
6357: if ( mod ) ndv_mod(mod,dm[i][j]);
6358: if ( dm[i][j] && !LEN(dm[i][j]) ) dm[i][j] = 0;
6359: }
6360: d = ptondv(CO,fv,(P)ONE);
6361: if ( mod ) ndv_mod(mod,d);
6362: chsgnq(ONE,&mone);
6363: for ( j = 0, sgn = 1; j < n; j++ ) {
6364: if ( DP_Print ) fprintf(stderr,".",j);
6365: for ( i = j; i < n && !dm[i][j]; i++ );
6366: if ( i == n ) {
6367: *rp = 0;
6368: return;
6369: }
6370: k0 = i; l0 = j; len0 = LEN(dm[k0][l0]);
6371: for ( k = j; k < n; k++ )
6372: for ( l = j; l < n; l++ )
6373: if ( dm[k][l] && LEN(dm[k][l]) < len0 ) {
6374: k0 = k; l0 = l; len0 = LEN(dm[k][l]);
6375: }
6376: if ( k0 != j ) {
6377: t = dm[j]; dm[j] = dm[k0]; dm[k0] = t;
6378: sgn = -sgn;
6379: }
6380: if ( l0 != j ) {
6381: for ( k = j; k < n; k++ ) {
6382: s = dm[k][j]; dm[k][j] = dm[k][l0]; dm[k][l0] = s;
6383: }
6384: sgn = -sgn;
6385: }
6386: bound = nd_det_compute_bound(dm,n,j);
6387: for ( k = 0; k < nd_nvar; k++ )
6388: if ( bound[k]*2 > nd_mask0 ) break;
6389: if ( k < nd_nvar )
6390: nd_det_reconstruct(dm,n,j,d);
6391:
6392: for ( i = j+1, mj = dm[j], mjj = mj[j]; i < n; i++ ) {
6393: /* if ( DP_Print ) fprintf(stderr," i=%d\n ",i); */
6394: mi = dm[i]; mij = mi[j];
6395: if ( mod )
6396: ndv_mul_c(mod,mij,mod-1);
6397: else
6398: ndv_mul_c_q(mij,mone);
6399: for ( k = j+1; k < n; k++ ) {
6400: /* if ( DP_Print ) fprintf(stderr,"k=%d ",k); */
6401: bucket = create_pbucket();
6402: if ( mi[k] ) {
6403: nmv = BDY(mjj); len = LEN(mjj);
6404: for ( a = 0; a < len; a++, NMV_ADV(nmv) ) {
6405: u = ndv_mul_nmv_trunc(mod,nmv,mi[k],DL(BDY(d)));
6406: add_pbucket(mod,bucket,u);
6407: }
6408: }
6409: if ( mj[k] && mij ) {
6410: nmv = BDY(mij); len = LEN(mij);
6411: for ( a = 0; a < len; a++, NMV_ADV(nmv) ) {
6412: u = ndv_mul_nmv_trunc(mod,nmv,mj[k],DL(BDY(d)));
6413: add_pbucket(mod,bucket,u);
6414: }
6415: }
6416: u = nd_quo(mod,bucket,d);
6417: mi[k] = ndtondv(mod,u);
6418: }
6419: /* if ( DP_Print ) fprintf(stderr,"\n",k); */
6420: }
6421: d = mjj;
6422: }
6423: if ( DP_Print ) fprintf(stderr,"\n",k);
6424: if ( sgn < 0 )
6425: if ( mod )
6426: ndv_mul_c(mod,d,mod-1);
6427: else
6428: ndv_mul_c_q(d,mone);
6429: r = ndvtop(mod,CO,fv,d);
6430: if ( !mod && !UNIQ(dq) )
6431: divsp(CO,r,(P)dq,rp);
6432: else
6433: *rp = r;
1.99 noro 6434: }
6435:
1.102 noro 6436: ND ndv_mul_nmv_trunc(int mod,NMV m0,NDV p,UINT *d)
1.99 noro 6437: {
1.157 noro 6438: NM mr,mr0;
6439: NM tnm;
6440: NMV m;
6441: UINT *d0,*dt,*dm;
6442: int c,n,td,i,c1,c2,len;
6443: Q q;
6444: ND r;
6445:
6446: if ( !p ) return 0;
6447: else {
6448: n = NV(p); m = BDY(p); len = LEN(p);
6449: d0 = DL(m0);
6450: td = TD(d);
6451: mr0 = 0;
6452: NEWNM(tnm);
6453: if ( mod ) {
6454: c = CM(m0);
6455: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6456: ndl_add(DL(m),d0,DL(tnm));
6457: if ( ndl_reducible(DL(tnm),d) ) {
6458: NEXTNM(mr0,mr);
6459: c1 = CM(m); DMAR(c1,c,0,mod,c2); CM(mr) = c2;
6460: ndl_copy(DL(tnm),DL(mr));
6461: }
6462: }
6463: } else {
6464: q = CQ(m0);
6465: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6466: ndl_add(DL(m),d0,DL(tnm));
6467: if ( ndl_reducible(DL(tnm),d) ) {
6468: NEXTNM(mr0,mr);
6469: mulq(CQ(m),q,&CQ(mr));
6470: ndl_copy(DL(tnm),DL(mr));
6471: }
6472: }
6473: }
6474: if ( !mr0 )
6475: return 0;
6476: else {
6477: NEXT(mr) = 0;
6478: for ( len = 0, mr = mr0; mr; mr = NEXT(mr), len++ );
6479: MKND(NV(p),mr0,len,r);
6480: SG(r) = SG(p) + TD(d0);
6481: return r;
6482: }
6483: }
1.114 noro 6484: }
6485:
6486: void nd_det_reconstruct(NDV **dm,int n,int j,NDV d)
6487: {
1.157 noro 6488: int i,obpe,oadv,h,k,l;
6489: static NM prev_nm_free_list;
6490: EPOS oepos;
6491:
6492: obpe = nd_bpe;
6493: oadv = nmv_adv;
6494: oepos = nd_epos;
6495: if ( obpe < 2 ) nd_bpe = 2;
6496: else if ( obpe < 3 ) nd_bpe = 3;
6497: else if ( obpe < 4 ) nd_bpe = 4;
6498: else if ( obpe < 5 ) nd_bpe = 5;
6499: else if ( obpe < 6 ) nd_bpe = 6;
6500: else if ( obpe < 8 ) nd_bpe = 8;
6501: else if ( obpe < 10 ) nd_bpe = 10;
6502: else if ( obpe < 16 ) nd_bpe = 16;
6503: else if ( obpe < 32 ) nd_bpe = 32;
6504: else error("nd_det_reconstruct : exponent too large");
6505:
6506: nd_setup_parameters(nd_nvar,0);
6507: prev_nm_free_list = _nm_free_list;
6508: _nm_free_list = 0;
6509: for ( k = j; k < n; k++ )
6510: for (l = j; l < n; l++ )
6511: ndv_realloc(dm[k][l],obpe,oadv,oepos);
6512: ndv_realloc(d,obpe,oadv,oepos);
6513: prev_nm_free_list = 0;
1.114 noro 6514: #if 0
1.157 noro 6515: GC_gcollect();
1.114 noro 6516: #endif
6517: }
6518:
1.153 noro 6519: /* returns a UINT array containing degree bounds */
6520:
1.114 noro 6521: UINT *nd_det_compute_bound(NDV **dm,int n,int j)
6522: {
1.157 noro 6523: UINT *d0,*d1,*d,*t,*r;
6524: int k,l,i;
1.114 noro 6525:
1.157 noro 6526: d0 = (UINT *)MALLOC(nd_nvar*sizeof(UINT));
6527: for ( k = 0; k < nd_nvar; k++ ) d0[k] = 0;
6528: for ( k = j; k < n; k++ )
6529: for ( l = j; l < n; l++ )
6530: if ( dm[k][l] ) {
6531: d = ndv_compute_bound(dm[k][l]);
6532: for ( i = 0; i < nd_nvar; i++ )
6533: d0[i] = MAX(d0[i],d[i]);
6534: }
6535: return d0;
1.117 noro 6536: }
6537:
6538: DL nd_separate_d(UINT *d,UINT *trans)
6539: {
1.157 noro 6540: int n,td,i,e,j;
6541: DL a;
1.117 noro 6542:
1.157 noro 6543: ndl_zero(trans);
6544: td = 0;
6545: for ( i = 0; i < nd_ntrans; i++ ) {
6546: e = GET_EXP(d,i);
6547: PUT_EXP(trans,i,e);
6548: td += MUL_WEIGHT(e,i);
6549: }
6550: if ( nd_ntrans+nd_nalg < nd_nvar ) {
6551: /* homogenized */
6552: i = nd_nvar-1;
6553: e = GET_EXP(d,i);
6554: PUT_EXP(trans,i,e);
6555: td += MUL_WEIGHT(e,i);
6556: }
6557: TD(trans) = td;
6558: if ( nd_blockmask) ndl_weight_mask(trans);
6559: NEWDL(a,nd_nalg);
6560: td = 0;
6561: for ( i = 0; i < nd_nalg; i++ ) {
6562: j = nd_ntrans+i;
6563: e = GET_EXP(d,j);
6564: a->d[i] = e;
6565: td += e;
6566: }
6567: a->td = td;
6568: return a;
1.117 noro 6569: }
6570:
1.118 noro 6571: int nd_monic(int mod,ND *p)
1.117 noro 6572: {
1.157 noro 6573: UINT *trans,*t;
6574: DL alg;
6575: MP mp0,mp;
6576: NM m,m0,m1,ma0,ma,mb,mr0,mr;
6577: ND r;
6578: DL dl;
6579: DP nm;
6580: NDV ndv;
6581: DAlg inv,cd;
6582: ND s,c;
6583: Q l,mul;
6584: N ln;
6585: int n,ntrans,i,e,td,is_lc,len;
6586: NumberField nf;
6587: struct oEGT eg0,eg1;
6588:
6589: if ( !(nf = get_numberfield()) )
6590: error("nd_monic : current_numberfield is not set");
6591:
6592: /* Q coef -> DAlg coef */
6593: NEWNM(ma0); ma = ma0;
6594: m = BDY(*p);
6595: is_lc = 1;
6596: while ( 1 ) {
6597: NEWMP(mp0); mp = mp0;
6598: mp->c = (P)CQ(m);
6599: mp->dl = nd_separate_d(DL(m),DL(ma));
6600: NEWNM(mb);
6601: for ( m = NEXT(m); m; m = NEXT(m) ) {
6602: alg = nd_separate_d(DL(m),DL(mb));
6603: if ( !ndl_equal(DL(ma),DL(mb)) )
6604: break;
6605: NEXTMP(mp0,mp); mp->c = (P)CQ(m); mp->dl = alg;
6606: }
6607: NEXT(mp) = 0;
6608: MKDP(nd_nalg,mp0,nm);
6609: MKDAlg(nm,ONE,cd);
6610: if ( is_lc == 1 ) {
6611: /* if the lc is a rational number, we have nothing to do */
6612: if ( !mp0->dl->td )
6613: return 1;
6614:
6615: get_eg(&eg0);
6616: invdalg(cd,&inv);
6617: get_eg(&eg1); add_eg(&eg_invdalg,&eg0,&eg1);
6618: /* check the validity of inv */
6619: if ( mod && !rem(NM(inv->dn),mod) )
6620: return 0;
6621: CA(ma) = nf->one;
6622: is_lc = 0;
6623: ln = ONEN;
6624: } else {
6625: muldalg(cd,inv,&CA(ma));
6626: lcmn(ln,NM(CA(ma)->dn),&ln);
6627: }
6628: if ( m ) {
6629: NEXT(ma) = mb; ma = mb;
6630: } else {
6631: NEXT(ma) = 0;
6632: break;
6633: }
6634: }
6635: /* l = lcm(denoms) */
6636: NTOQ(ln,1,l);
6637: for ( mr0 = 0, m = ma0; m; m = NEXT(m) ) {
6638: divq(l,CA(m)->dn,&mul);
6639: for ( mp = BDY(CA(m)->nm); mp; mp = NEXT(mp) ) {
6640: NEXTNM(mr0,mr);
6641: mulq((Q)mp->c,mul,&CQ(mr));
6642: dl = mp->dl;
6643: td = TD(DL(m));
6644: ndl_copy(DL(m),DL(mr));
6645: for ( i = 0; i < nd_nalg; i++ ) {
6646: e = dl->d[i];
6647: PUT_EXP(DL(mr),i+nd_ntrans,e);
6648: td += MUL_WEIGHT(e,i+nd_ntrans);
6649: }
1.163 noro 6650: if ( nd_module ) MPOS(DL(mr)) = MPOS(DL(m));
1.157 noro 6651: TD(DL(mr)) = td;
6652: if ( nd_blockmask) ndl_weight_mask(DL(mr));
6653: }
6654: }
6655: NEXT(mr) = 0;
6656: for ( len = 0, mr = mr0; mr; mr = NEXT(mr), len++ );
6657: MKND(NV(*p),mr0,len,r);
6658: /* XXX */
6659: SG(r) = SG(*p);
6660: nd_free(*p);
6661: *p = r;
6662: return 1;
1.59 noro 6663: }
1.167 ! noro 6664:
! 6665: NODE reverse_node(NODE n)
! 6666: {
! 6667: NODE t,t1;
! 6668:
! 6669: for ( t = 0; n; n = NEXT(n) ) {
! 6670: MKNODE(t1,BDY(n),t); t = t1;
! 6671: }
! 6672: return t;
! 6673: }
! 6674:
! 6675: P ndc_div(int mod,union oNDC a,union oNDC b)
! 6676: {
! 6677: union oNDC c;
! 6678: int inv,t;
! 6679:
! 6680: if ( mod == -1 ) c.m = _mulsf(a.m,_invsf(b.m));
! 6681: else if ( mod ) {
! 6682: inv = invm(b.m,mod);
! 6683: DMAR(a.m,inv,0,mod,t); c.m = t;
! 6684: } else if ( nd_vc )
! 6685: divsp(nd_vc,a.p,b.p,&c.p);
! 6686: else
! 6687: divq(a.z,b.z,&c.z);
! 6688: return ndctop(mod,c);
! 6689: }
! 6690:
! 6691: P ndctop(int mod,union oNDC c)
! 6692: {
! 6693: Q q;
! 6694: int e;
! 6695: GFS gfs;
! 6696:
! 6697: if ( mod == -1 ) {
! 6698: e = IFTOF(c.m); MKGFS(e,gfs); return (P)gfs;
! 6699: } else if ( mod ) {
! 6700: STOQ(c.m,q); return (P)q;
! 6701: } else
! 6702: return (P)c.p;
! 6703: }
! 6704:
! 6705: /* [0,0,0,cont] = p -> p/cont */
! 6706:
! 6707: void finalize_tracelist(int i,P cont)
! 6708: {
! 6709: LIST l;
! 6710: NODE node;
! 6711: Q iq;
! 6712:
! 6713: if ( !UNIQ(cont) ) {
! 6714: node = mknode(4,0,0,0,cont);
! 6715: MKLIST(l,node); MKNODE(node,l,nd_tracelist);
! 6716: nd_tracelist = node;
! 6717: }
! 6718: STOQ(i,iq);
! 6719: nd_tracelist = reverse_node(nd_tracelist);
! 6720: MKLIST(l,nd_tracelist);
! 6721: node = mknode(2,iq,l); MKLIST(l,node);
! 6722: MKNODE(node,l,nd_alltracelist); MKLIST(l,node);
! 6723: nd_alltracelist = node; nd_tracelist = 0;
! 6724: }
! 6725:
! 6726: void conv_ilist(int demand,int trace,NODE g,int **indp)
! 6727: {
! 6728: int n,i,j;
! 6729: int *ind;
! 6730: NODE t;
! 6731:
! 6732: n = length(g);
! 6733: ind = (int *)MALLOC(n*sizeof(int));
! 6734: for ( i = 0, t = g; i < n; i++, t = NEXT(t) ) {
! 6735: j = (long)BDY(t); ind[i] = j;
! 6736: BDY(t) = (pointer)(demand?ndv_load(j):(trace?nd_ps_trace[j]:nd_ps[j]));
! 6737: }
! 6738: if ( indp ) *indp = ind;
! 6739: }
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