Annotation of OpenXM_contrib2/asir2000/engine/nd.c, Revision 1.176
1.176 ! noro 1: /* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.175 2009/09/09 08:13:24 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;
1.174 noro 49: static int nd_module,nd_ispot,nd_mpos,nd_pot_nelim;
1.167 noro 50: static NODE nd_tracelist;
51: static NODE nd_alltracelist;
1.173 noro 52: static int nd_gentrace,nd_gensyz,nd_nora;
1.1 noro 53:
1.119 noro 54: NumberField get_numberfield();
1.114 noro 55: UINT *nd_det_compute_bound(NDV **dm,int n,int j);
56: void nd_det_reconstruct(NDV **dm,int n,int j,NDV d);
1.152 ohara 57: void nd_heu_nezgcdnpz(VL vl,P *pl,int m,int full,P *pr);
1.118 noro 58: int nd_monic(int m,ND *p);
1.129 noro 59: NDV plain_vect_to_ndv_q(Q *mat,int col,UINT *s0vect);
1.157 noro 60: LIST ndvtopl(int mod,VL vl,VL dvl,NDV p,int rank);
61: NDV pltondv(VL vl,VL dvl,LIST p);
62: void pltozpl(LIST l,Q *cont,LIST *pp);
1.159 noro 63: void ndl_max(UINT *d1,unsigned *d2,UINT *d);
64: pointer GC_malloc_atomic_ignore_off_page(int);
1.167 noro 65: void nmtodp(int mod,NM m,DP *r);
66: NODE reverse_node(NODE n);
67: P ndc_div(int mod,union oNDC a,union oNDC b);
68: P ndctop(int mod,union oNDC c);
69: void finalize_tracelist(int i,P cont);
70: void conv_ilist(int demand,int trace,NODE g,int **indp);
1.172 noro 71: void parse_nd_option(NODE opt);
1.114 noro 72:
1.149 noro 73: extern int Denominator,DP_Multiple;
74:
1.1 noro 75: void nd_free_private_storage()
76: {
1.157 noro 77: _nm_free_list = 0;
78: _ndp_free_list = 0;
1.71 noro 79: #if 0
1.157 noro 80: GC_gcollect();
1.71 noro 81: #endif
1.1 noro 82: }
83:
84: void _NM_alloc()
85: {
1.157 noro 86: NM p;
87: int i;
1.1 noro 88:
1.157 noro 89: for ( i = 0; i < 1024; i++ ) {
90: p = (NM)GC_malloc(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
91: p->next = _nm_free_list; _nm_free_list = p;
92: }
1.1 noro 93: }
94:
95: void _ND_alloc()
96: {
1.157 noro 97: ND p;
98: int i;
1.1 noro 99:
1.157 noro 100: for ( i = 0; i < 1024; i++ ) {
101: p = (ND)GC_malloc(sizeof(struct oND));
102: p->body = (NM)_nd_free_list; _nd_free_list = p;
103: }
1.1 noro 104: }
105:
106: void _NDP_alloc()
107: {
1.157 noro 108: ND_pairs p;
109: int i;
1.1 noro 110:
1.157 noro 111: for ( i = 0; i < 1024; i++ ) {
112: p = (ND_pairs)GC_malloc(sizeof(struct oND_pairs)
113: +(nd_wpd-1)*sizeof(UINT));
114: p->next = _ndp_free_list; _ndp_free_list = p;
115: }
1.1 noro 116: }
117:
1.30 noro 118: INLINE int nd_length(ND p)
1.1 noro 119: {
1.157 noro 120: NM m;
121: int i;
1.1 noro 122:
1.157 noro 123: if ( !p )
124: return 0;
125: else {
126: for ( i = 0, m = BDY(p); m; m = NEXT(m), i++ );
127: return i;
128: }
1.1 noro 129: }
130:
1.61 noro 131: INLINE int ndl_reducible(UINT *d1,UINT *d2)
1.1 noro 132: {
1.157 noro 133: UINT u1,u2;
134: int i,j;
1.1 noro 135:
1.157 noro 136: if ( nd_module && (MPOS(d1) != MPOS(d2)) ) return 0;
137:
138: if ( TD(d1) < TD(d2) ) return 0;
1.65 noro 139: #if USE_UNROLL
1.157 noro 140: switch ( nd_bpe ) {
141: case 3:
142: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
143: u1 = d1[i]; u2 = d2[i];
144: if ( (u1&0x38000000) < (u2&0x38000000) ) return 0;
145: if ( (u1& 0x7000000) < (u2& 0x7000000) ) return 0;
146: if ( (u1& 0xe00000) < (u2& 0xe00000) ) return 0;
147: if ( (u1& 0x1c0000) < (u2& 0x1c0000) ) return 0;
148: if ( (u1& 0x38000) < (u2& 0x38000) ) return 0;
149: if ( (u1& 0x7000) < (u2& 0x7000) ) return 0;
150: if ( (u1& 0xe00) < (u2& 0xe00) ) return 0;
151: if ( (u1& 0x1c0) < (u2& 0x1c0) ) return 0;
152: if ( (u1& 0x38) < (u2& 0x38) ) return 0;
153: if ( (u1& 0x7) < (u2& 0x7) ) return 0;
154: }
155: return 1;
156: break;
157: case 4:
158: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
159: u1 = d1[i]; u2 = d2[i];
160: if ( (u1&0xf0000000) < (u2&0xf0000000) ) return 0;
161: if ( (u1& 0xf000000) < (u2& 0xf000000) ) return 0;
162: if ( (u1& 0xf00000) < (u2& 0xf00000) ) return 0;
163: if ( (u1& 0xf0000) < (u2& 0xf0000) ) return 0;
164: if ( (u1& 0xf000) < (u2& 0xf000) ) return 0;
165: if ( (u1& 0xf00) < (u2& 0xf00) ) return 0;
166: if ( (u1& 0xf0) < (u2& 0xf0) ) return 0;
167: if ( (u1& 0xf) < (u2& 0xf) ) return 0;
168: }
169: return 1;
170: break;
171: case 6:
172: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
173: u1 = d1[i]; u2 = d2[i];
174: if ( (u1&0x3f000000) < (u2&0x3f000000) ) return 0;
175: if ( (u1& 0xfc0000) < (u2& 0xfc0000) ) return 0;
176: if ( (u1& 0x3f000) < (u2& 0x3f000) ) return 0;
177: if ( (u1& 0xfc0) < (u2& 0xfc0) ) return 0;
178: if ( (u1& 0x3f) < (u2& 0x3f) ) return 0;
179: }
180: return 1;
181: break;
182: case 8:
183: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
184: u1 = d1[i]; u2 = d2[i];
185: if ( (u1&0xff000000) < (u2&0xff000000) ) return 0;
186: if ( (u1& 0xff0000) < (u2& 0xff0000) ) return 0;
187: if ( (u1& 0xff00) < (u2& 0xff00) ) return 0;
188: if ( (u1& 0xff) < (u2& 0xff) ) return 0;
189: }
190: return 1;
191: break;
192: case 16:
193: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
194: u1 = d1[i]; u2 = d2[i];
195: if ( (u1&0xffff0000) < (u2&0xffff0000) ) return 0;
196: if ( (u1& 0xffff) < (u2& 0xffff) ) return 0;
197: }
198: return 1;
199: break;
200: case 32:
201: for ( i = nd_exporigin; i < nd_wpd; i++ )
202: if ( d1[i] < d2[i] ) return 0;
203: return 1;
204: break;
205: default:
206: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
207: u1 = d1[i]; u2 = d2[i];
208: for ( j = 0; j < nd_epw; j++ )
209: if ( (u1&nd_mask[j]) < (u2&nd_mask[j]) ) return 0;
210: }
211: return 1;
212: }
1.65 noro 213: #else
1.157 noro 214: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
215: u1 = d1[i]; u2 = d2[i];
216: for ( j = 0; j < nd_epw; j++ )
217: if ( (u1&nd_mask[j]) < (u2&nd_mask[j]) ) return 0;
218: }
219: return 1;
1.65 noro 220: #endif
1.1 noro 221: }
222:
1.61 noro 223: /*
224: * If the current order is a block order,
225: * then the last block is length 1 and contains
226: * the homo variable. Otherwise, the original
227: * order is either 0 or 2.
228: */
229:
1.164 noro 230: void ndl_homogenize(UINT *d,UINT *r,int obpe,EPOS oepos,int ompos,int weight)
1.23 noro 231: {
1.157 noro 232: int w,i,e,n,omask0;
1.61 noro 233:
1.157 noro 234: omask0 = obpe==32?0xffffffff:((1<<obpe)-1);
235: n = nd_nvar-1;
236: ndl_zero(r);
237: for ( i = 0; i < n; i++ ) {
238: e = GET_EXP_OLD(d,i);
239: PUT_EXP(r,i,e);
240: }
241: w = TD(d);
242: PUT_EXP(r,nd_nvar-1,weight-w);
1.164 noro 243: if ( nd_module ) MPOS(r) = d[ompos];
1.157 noro 244: TD(r) = weight;
245: if ( nd_blockmask ) ndl_weight_mask(r);
1.61 noro 246: }
247:
248: void ndl_dehomogenize(UINT *d)
249: {
1.157 noro 250: UINT mask;
251: UINT h;
252: int i,bits;
253:
254: if ( nd_blockmask ) {
255: h = GET_EXP(d,nd_nvar-1);
256: XOR_EXP(d,nd_nvar-1,h);
257: TD(d) -= h;
258: ndl_weight_mask(d);
259: } else {
260: if ( nd_isrlex ) {
261: if ( nd_bpe == 32 ) {
262: h = d[nd_exporigin];
263: for ( i = nd_exporigin+1; i < nd_wpd; i++ )
264: d[i-1] = d[i];
265: d[i-1] = 0;
266: TD(d) -= h;
267: } else {
268: bits = nd_epw*nd_bpe;
269: mask = bits==32?0xffffffff:((1<<(nd_epw*nd_bpe))-1);
270: h = (d[nd_exporigin]>>((nd_epw-1)*nd_bpe))&nd_mask0;
271: for ( i = nd_exporigin; i < nd_wpd; i++ )
272: d[i] = ((d[i]<<nd_bpe)&mask)
273: |(i+1<nd_wpd?((d[i+1]>>((nd_epw-1)*nd_bpe))&nd_mask0):0);
274: TD(d) -= h;
275: }
276: } else {
277: h = GET_EXP(d,nd_nvar-1);
278: XOR_EXP(d,nd_nvar-1,h);
279: TD(d) -= h;
280: }
281: }
1.23 noro 282: }
283:
1.61 noro 284: void ndl_lcm(UINT *d1,unsigned *d2,UINT *d)
1.1 noro 285: {
1.157 noro 286: UINT t1,t2,u,u1,u2;
287: int i,j,l;
288:
289: if ( nd_module && (MPOS(d1) != MPOS(d2)) )
290: error("ndl_lcm : inconsistent monomials");
291: #if USE_UNROLL
292: switch ( nd_bpe ) {
293: case 3:
294: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
295: u1 = d1[i]; u2 = d2[i];
296: t1 = (u1&0x38000000); t2 = (u2&0x38000000); u = t1>t2?t1:t2;
297: t1 = (u1& 0x7000000); t2 = (u2& 0x7000000); u |= t1>t2?t1:t2;
298: t1 = (u1& 0xe00000); t2 = (u2& 0xe00000); u |= t1>t2?t1:t2;
299: t1 = (u1& 0x1c0000); t2 = (u2& 0x1c0000); u |= t1>t2?t1:t2;
300: t1 = (u1& 0x38000); t2 = (u2& 0x38000); u |= t1>t2?t1:t2;
301: t1 = (u1& 0x7000); t2 = (u2& 0x7000); u |= t1>t2?t1:t2;
302: t1 = (u1& 0xe00); t2 = (u2& 0xe00); u |= t1>t2?t1:t2;
303: t1 = (u1& 0x1c0); t2 = (u2& 0x1c0); u |= t1>t2?t1:t2;
304: t1 = (u1& 0x38); t2 = (u2& 0x38); u |= t1>t2?t1:t2;
305: t1 = (u1& 0x7); t2 = (u2& 0x7); u |= t1>t2?t1:t2;
306: d[i] = u;
307: }
308: break;
309: case 4:
310: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
311: u1 = d1[i]; u2 = d2[i];
312: t1 = (u1&0xf0000000); t2 = (u2&0xf0000000); u = t1>t2?t1:t2;
313: t1 = (u1& 0xf000000); t2 = (u2& 0xf000000); u |= t1>t2?t1:t2;
314: t1 = (u1& 0xf00000); t2 = (u2& 0xf00000); u |= t1>t2?t1:t2;
315: t1 = (u1& 0xf0000); t2 = (u2& 0xf0000); u |= t1>t2?t1:t2;
316: t1 = (u1& 0xf000); t2 = (u2& 0xf000); u |= t1>t2?t1:t2;
317: t1 = (u1& 0xf00); t2 = (u2& 0xf00); u |= t1>t2?t1:t2;
318: t1 = (u1& 0xf0); t2 = (u2& 0xf0); u |= t1>t2?t1:t2;
319: t1 = (u1& 0xf); t2 = (u2& 0xf); u |= t1>t2?t1:t2;
320: d[i] = u;
321: }
322: break;
323: case 6:
324: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
325: u1 = d1[i]; u2 = d2[i];
326: t1 = (u1&0x3f000000); t2 = (u2&0x3f000000); u = t1>t2?t1:t2;
327: t1 = (u1& 0xfc0000); t2 = (u2& 0xfc0000); u |= t1>t2?t1:t2;
328: t1 = (u1& 0x3f000); t2 = (u2& 0x3f000); u |= t1>t2?t1:t2;
329: t1 = (u1& 0xfc0); t2 = (u2& 0xfc0); u |= t1>t2?t1:t2;
330: t1 = (u1& 0x3f); t2 = (u2& 0x3f); u |= t1>t2?t1:t2;
331: d[i] = u;
332: }
333: break;
334: case 8:
335: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
336: u1 = d1[i]; u2 = d2[i];
337: t1 = (u1&0xff000000); t2 = (u2&0xff000000); u = t1>t2?t1:t2;
338: t1 = (u1& 0xff0000); t2 = (u2& 0xff0000); u |= t1>t2?t1:t2;
339: t1 = (u1& 0xff00); t2 = (u2& 0xff00); u |= t1>t2?t1:t2;
340: t1 = (u1& 0xff); t2 = (u2& 0xff); u |= t1>t2?t1:t2;
341: d[i] = u;
342: }
343: break;
344: case 16:
345: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
346: u1 = d1[i]; u2 = d2[i];
347: t1 = (u1&0xffff0000); t2 = (u2&0xffff0000); u = t1>t2?t1:t2;
348: t1 = (u1& 0xffff); t2 = (u2& 0xffff); u |= t1>t2?t1:t2;
349: d[i] = u;
350: }
351: break;
352: case 32:
353: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
354: u1 = d1[i]; u2 = d2[i];
355: d[i] = u1>u2?u1:u2;
356: }
357: break;
358: default:
359: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
360: u1 = d1[i]; u2 = d2[i];
361: for ( j = 0, u = 0; j < nd_epw; j++ ) {
362: t1 = (u1&nd_mask[j]); t2 = (u2&nd_mask[j]); u |= t1>t2?t1:t2;
363: }
364: d[i] = u;
365: }
366: break;
367: }
368: #else
369: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
370: u1 = d1[i]; u2 = d2[i];
371: for ( j = 0, u = 0; j < nd_epw; j++ ) {
372: t1 = (u1&nd_mask[j]); t2 = (u2&nd_mask[j]); u |= t1>t2?t1:t2;
373: }
374: d[i] = u;
375: }
376: #endif
1.163 noro 377: if ( nd_module ) MPOS(d) = MPOS(d1);
1.157 noro 378: TD(d) = ndl_weight(d);
379: if ( nd_blockmask ) ndl_weight_mask(d);
380: }
381:
1.159 noro 382: void ndl_max(UINT *d1,unsigned *d2,UINT *d)
1.157 noro 383: {
384: UINT t1,t2,u,u1,u2;
385: int i,j,l;
1.1 noro 386:
1.157 noro 387: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
388: u1 = d1[i]; u2 = d2[i];
389: for ( j = 0, u = 0; j < nd_epw; j++ ) {
390: t1 = (u1&nd_mask[j]); t2 = (u2&nd_mask[j]); u |= t1>t2?t1:t2;
391: }
392: d[i] = u;
393: }
1.57 noro 394: }
395:
1.61 noro 396: int ndl_weight(UINT *d)
1.1 noro 397: {
1.157 noro 398: UINT t,u;
399: int i,j;
1.1 noro 400:
1.157 noro 401: if ( current_dl_weight_vector )
402: for ( i = 0, t = 0; i < nd_nvar; i++ ) {
403: u = GET_EXP(d,i);
404: t += MUL_WEIGHT(u,i);
405: }
406: else
407: for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {
408: u = d[i];
409: for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )
410: t += (u&nd_mask0);
411: }
1.167 noro 412: if ( nd_module && current_module_weight_vector && MPOS(d) )
413: t += current_module_weight_vector[MPOS(d)];
1.157 noro 414: return t;
1.1 noro 415: }
416:
1.61 noro 417: void ndl_weight_mask(UINT *d)
1.43 noro 418: {
1.157 noro 419: UINT t,u;
420: UINT *mask;
421: int i,j,k,l;
422:
423: l = nd_blockmask->n;
424: for ( k = 0; k < l; k++ ) {
425: mask = nd_blockmask->mask[k];
426: if ( current_dl_weight_vector )
427: for ( i = 0, t = 0; i < nd_nvar; i++ ) {
428: u = GET_EXP_MASK(d,i,mask);
429: t += MUL_WEIGHT(u,i);
430: }
431: else
432: for ( t = 0, i = nd_exporigin; i < nd_wpd; i++ ) {
433: u = d[i]&mask[i];
434: for ( j = 0; j < nd_epw; j++, u>>=nd_bpe )
435: t += (u&nd_mask0);
436: }
437: d[k+1] = t;
438: }
1.43 noro 439: }
440:
1.61 noro 441: int ndl_lex_compare(UINT *d1,UINT *d2)
1.1 noro 442: {
1.157 noro 443: int i;
1.1 noro 444:
1.157 noro 445: d1 += nd_exporigin;
446: d2 += nd_exporigin;
447: for ( i = nd_exporigin; i < nd_wpd; i++, d1++, d2++ )
448: if ( *d1 > *d2 )
449: return nd_isrlex ? -1 : 1;
450: else if ( *d1 < *d2 )
451: return nd_isrlex ? 1 : -1;
452: return 0;
1.1 noro 453: }
454:
1.61 noro 455: int ndl_block_compare(UINT *d1,UINT *d2)
1.43 noro 456: {
1.157 noro 457: int i,l,j,ord_o,ord_l;
458: struct order_pair *op;
459: UINT t1,t2,m;
460: UINT *mask;
461:
462: l = nd_blockmask->n;
463: op = nd_blockmask->order_pair;
464: for ( j = 0; j < l; j++ ) {
465: mask = nd_blockmask->mask[j];
466: ord_o = op[j].order;
467: if ( ord_o < 2 )
468: if ( (t1=d1[j+1]) > (t2=d2[j+1]) ) return 1;
469: else if ( t1 < t2 ) return -1;
470: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
471: m = mask[i];
472: t1 = d1[i]&m;
473: t2 = d2[i]&m;
474: if ( t1 > t2 )
475: return !ord_o ? -1 : 1;
476: else if ( t1 < t2 )
477: return !ord_o ? 1 : -1;
478: }
479: }
480: return 0;
1.43 noro 481: }
482:
1.96 noro 483: int ndl_matrix_compare(UINT *d1,UINT *d2)
484: {
1.157 noro 485: int i,j,s;
486: int *v;
1.96 noro 487:
1.157 noro 488: for ( j = 0; j < nd_nvar; j++ )
489: nd_work_vector[j] = GET_EXP(d1,j)-GET_EXP(d2,j);
490: for ( i = 0; i < nd_matrix_len; i++ ) {
491: v = nd_matrix[i];
492: for ( j = 0, s = 0; j < nd_nvar; j++ )
493: s += v[j]*nd_work_vector[j];
494: if ( s > 0 ) return 1;
495: else if ( s < 0 ) return -1;
496: }
497: return 0;
1.96 noro 498: }
499:
1.97 noro 500: int ndl_composite_compare(UINT *d1,UINT *d2)
501: {
1.157 noro 502: int i,j,s,start,end,len,o;
503: int *v;
504: struct sparse_weight *sw;
505:
506: for ( j = 0; j < nd_nvar; j++ )
507: nd_work_vector[j] = GET_EXP(d1,j)-GET_EXP(d2,j);
508: for ( i = 0; i < nd_worb_len; i++ ) {
509: len = nd_worb[i].length;
510: switch ( nd_worb[i].type ) {
511: case IS_DENSE_WEIGHT:
512: v = nd_worb[i].body.dense_weight;
513: for ( j = 0, s = 0; j < len; j++ )
514: s += v[j]*nd_work_vector[j];
515: if ( s > 0 ) return 1;
516: else if ( s < 0 ) return -1;
517: break;
518: case IS_SPARSE_WEIGHT:
519: sw = nd_worb[i].body.sparse_weight;
520: for ( j = 0, s = 0; j < len; j++ )
521: s += sw[j].value*nd_work_vector[sw[j].pos];
522: if ( s > 0 ) return 1;
523: else if ( s < 0 ) return -1;
524: break;
525: case IS_BLOCK:
526: o = nd_worb[i].body.block.order;
527: start = nd_worb[i].body.block.start;
528: switch ( o ) {
529: case 0:
530: end = start+len;
531: for ( j = start, s = 0; j < end; j++ )
532: s += MUL_WEIGHT(nd_work_vector[j],j);
533: if ( s > 0 ) return 1;
534: else if ( s < 0 ) return -1;
535: for ( j = end-1; j >= start; j-- )
536: if ( nd_work_vector[j] < 0 ) return 1;
537: else if ( nd_work_vector[j] > 0 ) return -1;
538: break;
539: case 1:
540: end = start+len;
541: for ( j = start, s = 0; j < end; j++ )
542: s += MUL_WEIGHT(nd_work_vector[j],j);
543: if ( s > 0 ) return 1;
544: else if ( s < 0 ) return -1;
545: for ( j = start; j < end; j++ )
546: if ( nd_work_vector[j] > 0 ) return 1;
547: else if ( nd_work_vector[j] < 0 ) return -1;
548: break;
549: case 2:
550: for ( j = start; j < end; j++ )
551: if ( nd_work_vector[j] > 0 ) return 1;
552: else if ( nd_work_vector[j] < 0 ) return -1;
553: break;
554: }
555: break;
556: }
557: }
558: return 0;
1.97 noro 559: }
560:
1.58 noro 561: /* TDH -> WW -> TD-> RL */
562:
1.61 noro 563: int ndl_ww_lex_compare(UINT *d1,UINT *d2)
1.58 noro 564: {
1.157 noro 565: int i,m,e1,e2;
1.58 noro 566:
1.157 noro 567: if ( TD(d1) > TD(d2) ) return 1;
568: else if ( TD(d1) < TD(d2) ) return -1;
569: m = nd_nvar>>1;
570: for ( i = 0, e1 = e2 = 0; i < m; i++ ) {
571: e1 += current_weyl_weight_vector[i]*(GET_EXP(d1,m+i)-GET_EXP(d1,i));
572: e2 += current_weyl_weight_vector[i]*(GET_EXP(d2,m+i)-GET_EXP(d2,i));
573: }
574: if ( e1 > e2 ) return 1;
575: else if ( e1 < e2 ) return -1;
576: return ndl_lex_compare(d1,d2);
577: }
578:
579: int ndl_module_grlex_compare(UINT *d1,UINT *d2)
580: {
1.164 noro 581: int i,c;
1.157 noro 582:
1.160 noro 583: if ( nd_ispot ) {
1.174 noro 584: if ( nd_pot_nelim && MPOS(d1)>=nd_pot_nelim+1 && MPOS(d2) >= nd_pot_nelim+1 ) {
585: if ( TD(d1) > TD(d2) ) return 1;
586: else if ( TD(d1) < TD(d2) ) return -1;
587: if ( c = ndl_lex_compare(d1,d2) ) return c;
588: if ( MPOS(d1) < MPOS(d2) ) return 1;
589: else if ( MPOS(d1) > MPOS(d2) ) return -1;
590: return 0;
591: }
1.157 noro 592: if ( MPOS(d1) < MPOS(d2) ) return 1;
593: else if ( MPOS(d1) > MPOS(d2) ) return -1;
594: }
595: if ( TD(d1) > TD(d2) ) return 1;
596: else if ( TD(d1) < TD(d2) ) return -1;
1.167 noro 597: if ( c = ndl_lex_compare(d1,d2) ) return c;
1.160 noro 598: if ( !nd_ispot ) {
1.157 noro 599: if ( MPOS(d1) < MPOS(d2) ) return 1;
600: else if ( MPOS(d1) > MPOS(d2) ) return -1;
601: }
602: return 0;
603: }
604:
605: int ndl_module_glex_compare(UINT *d1,UINT *d2)
606: {
1.164 noro 607: int i,c;
1.157 noro 608:
1.160 noro 609: if ( nd_ispot ) {
1.157 noro 610: if ( MPOS(d1) < MPOS(d2) ) return 1;
611: else if ( MPOS(d1) > MPOS(d2) ) return -1;
612: }
613: if ( TD(d1) > TD(d2) ) return 1;
614: else if ( TD(d1) < TD(d2) ) return -1;
1.167 noro 615: if ( c = ndl_lex_compare(d1,d2) ) return c;
1.160 noro 616: if ( !nd_ispot ) {
1.157 noro 617: if ( MPOS(d1) < MPOS(d2) ) return 1;
618: else if ( MPOS(d1) > MPOS(d2) ) return -1;
619: }
620: return 0;
621: }
622:
623: int ndl_module_lex_compare(UINT *d1,UINT *d2)
624: {
1.164 noro 625: int i,c;
1.157 noro 626:
1.160 noro 627: if ( nd_ispot ) {
1.157 noro 628: if ( MPOS(d1) < MPOS(d2) ) return 1;
629: else if ( MPOS(d1) > MPOS(d2) ) return -1;
630: }
1.167 noro 631: if ( c = ndl_lex_compare(d1,d2) ) return c;
1.160 noro 632: if ( !nd_ispot ) {
1.157 noro 633: if ( MPOS(d1) < MPOS(d2) ) return 1;
634: else if ( MPOS(d1) > MPOS(d2) ) return -1;
635: }
636: return 0;
637: }
638:
639: int ndl_module_block_compare(UINT *d1,UINT *d2)
640: {
641: int i,c;
642:
1.160 noro 643: if ( nd_ispot ) {
1.157 noro 644: if ( MPOS(d1) < MPOS(d2) ) return 1;
645: else if ( MPOS(d1) > MPOS(d2) ) return -1;
646: }
647: if ( c = ndl_block_compare(d1,d2) ) return c;
1.160 noro 648: if ( !nd_ispot ) {
1.157 noro 649: if ( MPOS(d1) < MPOS(d2) ) return 1;
650: else if ( MPOS(d1) > MPOS(d2) ) return -1;
651: }
652: return 0;
653: }
654:
655: int ndl_module_matrix_compare(UINT *d1,UINT *d2)
656: {
657: int i,c;
658:
1.160 noro 659: if ( nd_ispot ) {
1.157 noro 660: if ( MPOS(d1) < MPOS(d2) ) return 1;
661: else if ( MPOS(d1) > MPOS(d2) ) return -1;
662: }
663: if ( c = ndl_matrix_compare(d1,d2) ) return c;
1.160 noro 664: if ( !nd_ispot ) {
1.157 noro 665: if ( MPOS(d1) < MPOS(d2) ) return 1;
666: else if ( MPOS(d1) > MPOS(d2) ) return -1;
667: }
668: return 0;
669: }
670:
671: int ndl_module_composite_compare(UINT *d1,UINT *d2)
672: {
673: int i,c;
674:
1.160 noro 675: if ( nd_ispot ) {
1.157 noro 676: if ( MPOS(d1) > MPOS(d2) ) return 1;
677: else if ( MPOS(d1) < MPOS(d2) ) return -1;
678: }
679: if ( c = ndl_composite_compare(d1,d2) ) return c;
1.160 noro 680: if ( !nd_ispot ) {
1.157 noro 681: if ( MPOS(d1) > MPOS(d2) ) return 1;
682: else if ( MPOS(d1) < MPOS(d2) ) return -1;
683: }
684: return 0;
1.58 noro 685: }
686:
1.61 noro 687: INLINE int ndl_equal(UINT *d1,UINT *d2)
1.1 noro 688: {
1.157 noro 689: int i;
1.1 noro 690:
1.157 noro 691: switch ( nd_wpd ) {
692: case 2:
693: if ( TD(d2) != TD(d1) ) return 0;
694: if ( d2[1] != d1[1] ) return 0;
695: return 1;
696: break;
697: case 3:
698: if ( TD(d2) != TD(d1) ) return 0;
699: if ( d2[1] != d1[1] ) return 0;
700: if ( d2[2] != d1[2] ) return 0;
701: return 1;
702: break;
703: default:
704: for ( i = 0; i < nd_wpd; i++ )
705: if ( *d1++ != *d2++ ) return 0;
706: return 1;
707: break;
708: }
1.1 noro 709: }
710:
1.61 noro 711: INLINE void ndl_copy(UINT *d1,UINT *d2)
1.6 noro 712: {
1.157 noro 713: int i;
1.6 noro 714:
1.157 noro 715: switch ( nd_wpd ) {
716: case 2:
717: TD(d2) = TD(d1);
718: d2[1] = d1[1];
719: break;
720: case 3:
721: TD(d2) = TD(d1);
722: d2[1] = d1[1];
723: d2[2] = d1[2];
724: break;
725: default:
726: for ( i = 0; i < nd_wpd; i++ )
727: d2[i] = d1[i];
728: break;
729: }
1.6 noro 730: }
731:
1.61 noro 732: INLINE void ndl_zero(UINT *d)
733: {
1.157 noro 734: int i;
735: for ( i = 0; i < nd_wpd; i++ ) d[i] = 0;
1.61 noro 736: }
737:
738: INLINE void ndl_add(UINT *d1,UINT *d2,UINT *d)
1.1 noro 739: {
1.157 noro 740: int i;
1.1 noro 741:
1.162 noro 742: if ( nd_module ) {
743: if ( MPOS(d1) && MPOS(d2) && (MPOS(d1) != MPOS(d2)) )
1.167 noro 744: error("ndl_add : invalid operation");
1.162 noro 745: }
1.43 noro 746: #if 1
1.157 noro 747: switch ( nd_wpd ) {
748: case 2:
749: TD(d) = TD(d1)+TD(d2);
750: d[1] = d1[1]+d2[1];
751: break;
752: case 3:
753: TD(d) = TD(d1)+TD(d2);
754: d[1] = d1[1]+d2[1];
755: d[2] = d1[2]+d2[2];
756: break;
757: default:
758: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]+d2[i];
759: break;
760: }
1.43 noro 761: #else
1.157 noro 762: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]+d2[i];
1.43 noro 763: #endif
1.6 noro 764: }
765:
1.55 noro 766: /* d1 += d2 */
1.61 noro 767: INLINE void ndl_addto(UINT *d1,UINT *d2)
1.55 noro 768: {
1.157 noro 769: int i;
1.55 noro 770:
1.162 noro 771: if ( nd_module ) {
772: if ( MPOS(d1) && MPOS(d2) && (MPOS(d1) != MPOS(d2)) )
773: error("ndl_addto : invalid operation");
774: }
1.55 noro 775: #if 1
1.157 noro 776: switch ( nd_wpd ) {
777: case 2:
778: TD(d1) += TD(d2);
779: d1[1] += d2[1];
780: break;
781: case 3:
782: TD(d1) += TD(d2);
783: d1[1] += d2[1];
784: d1[2] += d2[2];
785: break;
786: default:
787: for ( i = 0; i < nd_wpd; i++ ) d1[i] += d2[i];
788: break;
789: }
1.55 noro 790: #else
1.157 noro 791: for ( i = 0; i < nd_wpd; i++ ) d1[i] += d2[i];
1.55 noro 792: #endif
793: }
794:
1.61 noro 795: INLINE void ndl_sub(UINT *d1,UINT *d2,UINT *d)
1.6 noro 796: {
1.157 noro 797: int i;
1.6 noro 798:
1.157 noro 799: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]-d2[i];
1.1 noro 800: }
801:
1.61 noro 802: int ndl_disjoint(UINT *d1,UINT *d2)
1.1 noro 803: {
1.157 noro 804: UINT t1,t2,u,u1,u2;
805: int i,j;
1.1 noro 806:
1.157 noro 807: if ( nd_module && (MPOS(d1) == MPOS(d2)) ) return 0;
1.65 noro 808: #if USE_UNROLL
1.157 noro 809: switch ( nd_bpe ) {
810: case 3:
811: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
812: u1 = d1[i]; u2 = d2[i];
813: t1 = u1&0x38000000; t2 = u2&0x38000000; if ( t1&&t2 ) return 0;
814: t1 = u1& 0x7000000; t2 = u2& 0x7000000; if ( t1&&t2 ) return 0;
815: t1 = u1& 0xe00000; t2 = u2& 0xe00000; if ( t1&&t2 ) return 0;
816: t1 = u1& 0x1c0000; t2 = u2& 0x1c0000; if ( t1&&t2 ) return 0;
817: t1 = u1& 0x38000; t2 = u2& 0x38000; if ( t1&&t2 ) return 0;
818: t1 = u1& 0x7000; t2 = u2& 0x7000; if ( t1&&t2 ) return 0;
819: t1 = u1& 0xe00; t2 = u2& 0xe00; if ( t1&&t2 ) return 0;
820: t1 = u1& 0x1c0; t2 = u2& 0x1c0; if ( t1&&t2 ) return 0;
821: t1 = u1& 0x38; t2 = u2& 0x38; if ( t1&&t2 ) return 0;
822: t1 = u1& 0x7; t2 = u2& 0x7; if ( t1&&t2 ) return 0;
823: }
824: return 1;
825: break;
826: case 4:
827: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
828: u1 = d1[i]; u2 = d2[i];
829: t1 = u1&0xf0000000; t2 = u2&0xf0000000; if ( t1&&t2 ) return 0;
830: t1 = u1& 0xf000000; t2 = u2& 0xf000000; if ( t1&&t2 ) return 0;
831: t1 = u1& 0xf00000; t2 = u2& 0xf00000; if ( t1&&t2 ) return 0;
832: t1 = u1& 0xf0000; t2 = u2& 0xf0000; if ( t1&&t2 ) return 0;
833: t1 = u1& 0xf000; t2 = u2& 0xf000; if ( t1&&t2 ) return 0;
834: t1 = u1& 0xf00; t2 = u2& 0xf00; if ( t1&&t2 ) return 0;
835: t1 = u1& 0xf0; t2 = u2& 0xf0; if ( t1&&t2 ) return 0;
836: t1 = u1& 0xf; t2 = u2& 0xf; if ( t1&&t2 ) return 0;
837: }
838: return 1;
839: break;
840: case 6:
841: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
842: u1 = d1[i]; u2 = d2[i];
843: t1 = u1&0x3f000000; t2 = u2&0x3f000000; if ( t1&&t2 ) return 0;
844: t1 = u1& 0xfc0000; t2 = u2& 0xfc0000; if ( t1&&t2 ) return 0;
845: t1 = u1& 0x3f000; t2 = u2& 0x3f000; if ( t1&&t2 ) return 0;
846: t1 = u1& 0xfc0; t2 = u2& 0xfc0; if ( t1&&t2 ) return 0;
847: t1 = u1& 0x3f; t2 = u2& 0x3f; if ( t1&&t2 ) return 0;
848: }
849: return 1;
850: break;
851: case 8:
852: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
853: u1 = d1[i]; u2 = d2[i];
854: t1 = u1&0xff000000; t2 = u2&0xff000000; if ( t1&&t2 ) return 0;
855: t1 = u1& 0xff0000; t2 = u2& 0xff0000; if ( t1&&t2 ) return 0;
856: t1 = u1& 0xff00; t2 = u2& 0xff00; if ( t1&&t2 ) return 0;
857: t1 = u1& 0xff; t2 = u2& 0xff; if ( t1&&t2 ) return 0;
858: }
859: return 1;
860: break;
861: case 16:
862: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
863: u1 = d1[i]; u2 = d2[i];
864: t1 = u1&0xffff0000; t2 = u2&0xffff0000; if ( t1&&t2 ) return 0;
865: t1 = u1& 0xffff; t2 = u2& 0xffff; if ( t1&&t2 ) return 0;
866: }
867: return 1;
868: break;
869: case 32:
870: for ( i = nd_exporigin; i < nd_wpd; i++ )
871: if ( d1[i] && d2[i] ) return 0;
872: return 1;
873: break;
874: default:
875: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
876: u1 = d1[i]; u2 = d2[i];
877: for ( j = 0; j < nd_epw; j++ ) {
878: if ( (u1&nd_mask0) && (u2&nd_mask0) ) return 0;
879: u1 >>= nd_bpe; u2 >>= nd_bpe;
880: }
881: }
882: return 1;
883: break;
884: }
1.65 noro 885: #else
1.157 noro 886: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
887: u1 = d1[i]; u2 = d2[i];
888: for ( j = 0; j < nd_epw; j++ ) {
889: if ( (u1&nd_mask0) && (u2&nd_mask0) ) return 0;
890: u1 >>= nd_bpe; u2 >>= nd_bpe;
891: }
892: }
893: return 1;
1.65 noro 894: #endif
1.1 noro 895: }
896:
1.114 noro 897: int ndl_check_bound(UINT *d1,UINT *d2)
1.1 noro 898: {
1.157 noro 899: UINT u2;
900: int i,j,ind,k;
1.1 noro 901:
1.157 noro 902: ind = 0;
1.65 noro 903: #if USE_UNROLL
1.157 noro 904: switch ( nd_bpe ) {
905: case 3:
906: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
907: u2 = d2[i];
908: if ( d1[ind++]+((u2>>27)&0x7) >= 0x8 ) return 1;
909: if ( d1[ind++]+((u2>>24)&0x7) >= 0x8 ) return 1;
910: if ( d1[ind++]+((u2>>21)&0x7) >= 0x8 ) return 1;
911: if ( d1[ind++]+((u2>>18)&0x7) >= 0x8 ) return 1;
912: if ( d1[ind++]+((u2>>15)&0x7) >= 0x8 ) return 1;
913: if ( d1[ind++]+((u2>>12)&0x7) >= 0x8 ) return 1;
914: if ( d1[ind++]+((u2>>9)&0x7) >= 0x8 ) return 1;
915: if ( d1[ind++]+((u2>>6)&0x7) >= 0x8 ) return 1;
916: if ( d1[ind++]+((u2>>3)&0x7) >= 0x8 ) return 1;
917: if ( d1[ind++]+(u2&0x7) >= 0x8 ) return 1;
918: }
919: return 0;
920: break;
921: case 4:
922: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
923: u2 = d2[i];
924: if ( d1[ind++]+((u2>>28)&0xf) >= 0x10 ) return 1;
925: if ( d1[ind++]+((u2>>24)&0xf) >= 0x10 ) return 1;
926: if ( d1[ind++]+((u2>>20)&0xf) >= 0x10 ) return 1;
927: if ( d1[ind++]+((u2>>16)&0xf) >= 0x10 ) return 1;
928: if ( d1[ind++]+((u2>>12)&0xf) >= 0x10 ) return 1;
929: if ( d1[ind++]+((u2>>8)&0xf) >= 0x10 ) return 1;
930: if ( d1[ind++]+((u2>>4)&0xf) >= 0x10 ) return 1;
931: if ( d1[ind++]+(u2&0xf) >= 0x10 ) return 1;
932: }
933: return 0;
934: break;
935: case 6:
936: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
937: u2 = d2[i];
938: if ( d1[ind++]+((u2>>24)&0x3f) >= 0x40 ) return 1;
939: if ( d1[ind++]+((u2>>18)&0x3f) >= 0x40 ) return 1;
940: if ( d1[ind++]+((u2>>12)&0x3f) >= 0x40 ) return 1;
941: if ( d1[ind++]+((u2>>6)&0x3f) >= 0x40 ) return 1;
942: if ( d1[ind++]+(u2&0x3f) >= 0x40 ) return 1;
943: }
944: return 0;
945: break;
946: case 8:
947: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
948: u2 = d2[i];
949: if ( d1[ind++]+((u2>>24)&0xff) >= 0x100 ) return 1;
950: if ( d1[ind++]+((u2>>16)&0xff) >= 0x100 ) return 1;
951: if ( d1[ind++]+((u2>>8)&0xff) >= 0x100 ) return 1;
952: if ( d1[ind++]+(u2&0xff) >= 0x100 ) return 1;
953: }
954: return 0;
955: break;
956: case 16:
957: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
958: u2 = d2[i];
959: if ( d1[ind++]+((u2>>16)&0xffff) > 0x10000 ) return 1;
960: if ( d1[ind++]+(u2&0xffff) > 0x10000 ) return 1;
961: }
962: return 0;
963: break;
964: case 32:
965: for ( i = nd_exporigin; i < nd_wpd; i++ )
966: if ( d1[i]+d2[i]<d1[i] ) return 1;
967: return 0;
968: break;
969: default:
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;
977: break;
978: }
1.65 noro 979: #else
1.157 noro 980: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
981: u2 = d2[i];
982: k = (nd_epw-1)*nd_bpe;
983: for ( j = 0; j < nd_epw; j++, k -= nd_bpe )
984: if ( d1[ind++]+((u2>>k)&nd_mask0) > nd_mask0 ) return 1;
985: }
986: return 0;
1.65 noro 987: #endif
1.1 noro 988: }
989:
1.114 noro 990: int ndl_check_bound2(int index,UINT *d2)
991: {
1.157 noro 992: return ndl_check_bound(nd_bound[index],d2);
1.114 noro 993: }
994:
1.61 noro 995: INLINE int ndl_hash_value(UINT *d)
1.1 noro 996: {
1.157 noro 997: int i;
998: int r;
1.1 noro 999:
1.157 noro 1000: r = 0;
1001: for ( i = 0; i < nd_wpd; i++ )
1002: r = ((r<<16)+d[i])%REDTAB_LEN;
1003: return r;
1.1 noro 1004: }
1005:
1.63 noro 1006: INLINE int ndl_find_reducer(UINT *dg)
1.1 noro 1007: {
1.157 noro 1008: RHist r;
1009: int d,k,i;
1.1 noro 1010:
1.157 noro 1011: d = ndl_hash_value(dg);
1012: for ( r = nd_red[d], k = 0; r; r = NEXT(r), k++ ) {
1013: if ( ndl_equal(dg,DL(r)) ) {
1014: if ( k > 0 ) nd_notfirst++;
1015: nd_found++;
1016: return r->index;
1017: }
1018: }
1019: if ( Reverse )
1020: for ( i = nd_psn-1; i >= 0; i-- ) {
1021: r = nd_psh[i];
1022: if ( ndl_reducible(dg,DL(r)) ) {
1023: nd_create++;
1024: nd_append_red(dg,i);
1025: return i;
1026: }
1027: }
1028: else
1029: for ( i = 0; i < nd_psn; i++ ) {
1030: r = nd_psh[i];
1031: if ( ndl_reducible(dg,DL(r)) ) {
1032: nd_create++;
1033: nd_append_red(dg,i);
1034: return i;
1035: }
1036: }
1037: return -1;
1.1 noro 1038: }
1039:
1.63 noro 1040: ND nd_merge(ND p1,ND p2)
1041: {
1.157 noro 1042: int n,c;
1043: int t,can,td1,td2;
1044: ND r;
1045: NM m1,m2,mr0,mr,s;
1046:
1047: if ( !p1 ) return p2;
1048: else if ( !p2 ) return p1;
1049: else {
1050: can = 0;
1051: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1052: c = DL_COMPARE(DL(m1),DL(m2));
1053: switch ( c ) {
1054: case 0:
1055: s = m1; m1 = NEXT(m1);
1056: can++; NEXTNM2(mr0,mr,s);
1057: s = m2; m2 = NEXT(m2); FREENM(s);
1058: break;
1059: case 1:
1060: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1061: break;
1062: case -1:
1063: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1064: break;
1065: }
1066: }
1067: if ( !mr0 )
1068: if ( m1 ) mr0 = m1;
1069: else if ( m2 ) mr0 = m2;
1070: else return 0;
1071: else if ( m1 ) NEXT(mr) = m1;
1072: else if ( m2 ) NEXT(mr) = m2;
1073: else NEXT(mr) = 0;
1074: BDY(p1) = mr0;
1075: SG(p1) = MAX(SG(p1),SG(p2));
1076: LEN(p1) = LEN(p1)+LEN(p2)-can;
1077: FREEND(p2);
1078: return p1;
1079: }
1.63 noro 1080: }
1081:
1.31 noro 1082: ND nd_add(int mod,ND p1,ND p2)
1.1 noro 1083: {
1.157 noro 1084: int n,c;
1085: int t,can,td1,td2;
1086: ND r;
1087: NM m1,m2,mr0,mr,s;
1088:
1089: if ( !p1 ) return p2;
1090: else if ( !p2 ) return p1;
1091: else if ( mod == -1 ) return nd_add_sf(p1,p2);
1092: else if ( !mod ) return nd_add_q(p1,p2);
1093: else {
1094: can = 0;
1095: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1096: c = DL_COMPARE(DL(m1),DL(m2));
1097: switch ( c ) {
1098: case 0:
1099: t = ((CM(m1))+(CM(m2))) - mod;
1100: if ( t < 0 ) t += mod;
1101: s = m1; m1 = NEXT(m1);
1102: if ( t ) {
1103: can++; NEXTNM2(mr0,mr,s); CM(mr) = (t);
1104: } else {
1105: can += 2; FREENM(s);
1106: }
1107: s = m2; m2 = NEXT(m2); FREENM(s);
1108: break;
1109: case 1:
1110: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1111: break;
1112: case -1:
1113: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1114: break;
1115: }
1116: }
1117: if ( !mr0 )
1118: if ( m1 ) mr0 = m1;
1119: else if ( m2 ) mr0 = m2;
1120: else return 0;
1121: else if ( m1 ) NEXT(mr) = m1;
1122: else if ( m2 ) NEXT(mr) = m2;
1123: else NEXT(mr) = 0;
1124: BDY(p1) = mr0;
1125: SG(p1) = MAX(SG(p1),SG(p2));
1126: LEN(p1) = LEN(p1)+LEN(p2)-can;
1127: FREEND(p2);
1128: return p1;
1129: }
1.95 noro 1130: }
1131:
1132: /* XXX on opteron, the inlined manipulation of destructive additon of
1133: * two NM seems to make gcc optimizer get confused, so the part is
1134: * done in a function.
1135: */
1136:
1.113 noro 1137: int nm_destructive_add_q(NM *m1,NM *m2,NM *mr0,NM *mr)
1.95 noro 1138: {
1.157 noro 1139: NM s;
1140: P t;
1141: int can;
1142:
1143: addp(nd_vc,CP(*m1),CP(*m2),&t);
1144: s = *m1; *m1 = NEXT(*m1);
1145: if ( t ) {
1146: can = 1; NEXTNM2(*mr0,*mr,s); CP(*mr) = (t);
1147: } else {
1148: can = 2; FREENM(s);
1149: }
1150: s = *m2; *m2 = NEXT(*m2); FREENM(s);
1151: return can;
1.95 noro 1152: }
1153:
1.113 noro 1154: ND nd_add_q(ND p1,ND p2)
1.95 noro 1155: {
1.157 noro 1156: int n,c,can;
1157: ND r;
1158: NM m1,m2,mr0,mr,s;
1159: P t;
1160:
1161: if ( !p1 ) return p2;
1162: else if ( !p2 ) return p1;
1163: else {
1164: can = 0;
1165: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1166: c = DL_COMPARE(DL(m1),DL(m2));
1167: switch ( c ) {
1168: case 0:
1.95 noro 1169: #if defined(__x86_64__)
1.157 noro 1170: can += nm_destructive_add_q(&m1,&m2,&mr0,&mr);
1.95 noro 1171: #else
1.157 noro 1172: addp(nd_vc,CP(m1),CP(m2),&t);
1173: s = m1; m1 = NEXT(m1);
1174: if ( t ) {
1175: can++; NEXTNM2(mr0,mr,s); CP(mr) = (t);
1176: } else {
1177: can += 2; FREENM(s);
1178: }
1179: s = m2; m2 = NEXT(m2); FREENM(s);
1.95 noro 1180: #endif
1.157 noro 1181: break;
1182: case 1:
1183: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1184: break;
1185: case -1:
1186: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1187: break;
1188: }
1189: }
1190: if ( !mr0 )
1191: if ( m1 ) mr0 = m1;
1192: else if ( m2 ) mr0 = m2;
1193: else return 0;
1194: else if ( m1 ) NEXT(mr) = m1;
1195: else if ( m2 ) NEXT(mr) = m2;
1196: else NEXT(mr) = 0;
1197: BDY(p1) = mr0;
1198: SG(p1) = MAX(SG(p1),SG(p2));
1199: LEN(p1) = LEN(p1)+LEN(p2)-can;
1200: FREEND(p2);
1201: return p1;
1202: }
1.17 noro 1203: }
1204:
1.71 noro 1205: ND nd_add_sf(ND p1,ND p2)
1206: {
1.157 noro 1207: int n,c,can;
1208: ND r;
1209: NM m1,m2,mr0,mr,s;
1210: int t;
1211:
1212: if ( !p1 ) return p2;
1213: else if ( !p2 ) return p1;
1214: else {
1215: can = 0;
1216: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1217: c = DL_COMPARE(DL(m1),DL(m2));
1218: switch ( c ) {
1219: case 0:
1220: t = _addsf(CM(m1),CM(m2));
1221: s = m1; m1 = NEXT(m1);
1222: if ( t ) {
1223: can++; NEXTNM2(mr0,mr,s); CM(mr) = (t);
1224: } else {
1225: can += 2; FREENM(s);
1226: }
1227: s = m2; m2 = NEXT(m2); FREENM(s);
1228: break;
1229: case 1:
1230: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1231: break;
1232: case -1:
1233: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1234: break;
1235: }
1236: }
1237: if ( !mr0 )
1238: if ( m1 ) mr0 = m1;
1239: else if ( m2 ) mr0 = m2;
1240: else return 0;
1241: else if ( m1 ) NEXT(mr) = m1;
1242: else if ( m2 ) NEXT(mr) = m2;
1243: else NEXT(mr) = 0;
1244: BDY(p1) = mr0;
1245: SG(p1) = MAX(SG(p1),SG(p2));
1246: LEN(p1) = LEN(p1)+LEN(p2)-can;
1247: FREEND(p2);
1248: return p1;
1249: }
1.71 noro 1250: }
1251:
1.167 noro 1252: ND nd_reduce2(int mod,ND d,ND g,NDV p,NM mul,NDC dn,Obj *divp)
1.146 noro 1253: {
1.157 noro 1254: int c,c1,c2;
1255: Q cg,cred,gcd,tq;
1256: P cgp,credp,gcdp;
1257: Obj tr,tr1;
1258:
1.167 noro 1259: if ( mod == -1 ) {
1.157 noro 1260: CM(mul) = _mulsf(_invsf(HCM(p)),_chsgnsf(HCM(g)));
1.167 noro 1261: *divp = (Obj)ONE;
1262: } else if ( mod ) {
1.157 noro 1263: c1 = invm(HCM(p),mod); c2 = mod-HCM(g);
1264: DMAR(c1,c2,0,mod,c); CM(mul) = c;
1.167 noro 1265: *divp = (Obj)ONE;
1.157 noro 1266: } else if ( nd_vc ) {
1267: ezgcdpz(nd_vc,HCP(g),HCP(p),&gcdp);
1268: divsp(nd_vc,HCP(g),gcdp,&cgp); divsp(nd_vc,HCP(p),gcdp,&credp);
1269: chsgnp(cgp,&CP(mul));
1270: nd_mul_c_q(d,credp); nd_mul_c_q(g,credp);
1271: if ( dn ) {
1272: mulr(nd_vc,(Obj)dn->r,(Obj)credp,&tr);
1273: reductr(nd_vc,tr,&tr1); dn->r = (R)tr1;
1274: }
1.167 noro 1275: *divp = (Obj)credp;
1.157 noro 1276: } else {
1277: igcd_cofactor(HCQ(g),HCQ(p),&gcd,&cg,&cred);
1278: chsgnq(cg,&CQ(mul));
1279: nd_mul_c_q(d,(P)cred); nd_mul_c_q(g,(P)cred);
1280: if ( dn ) {
1281: mulq(dn->z,cred,&tq); dn->z = tq;
1282: }
1.167 noro 1283: *divp = (Obj)cred;
1.157 noro 1284: }
1285: return nd_add(mod,g,ndv_mul_nm(mod,mul,p));
1.146 noro 1286: }
1287:
1.1 noro 1288: /* ret=1 : success, ret=0 : overflow */
1.146 noro 1289: int nd_nf(int mod,ND d,ND g,NDV *ps,int full,NDC dn,ND *rp)
1.1 noro 1290: {
1.157 noro 1291: NM m,mrd,tail;
1292: NM mul;
1293: int n,sugar,psugar,sugar0,stat,index;
1294: int c,c1,c2,dummy;
1295: RHist h;
1296: NDV p,red;
1.167 noro 1297: Q cg,cred,gcd,tq,qq,iq;
1298: DP dmul;
1299: NODE node;
1300: LIST hist;
1.157 noro 1301: double hmag;
1302: P tp,tp1;
1.167 noro 1303: Obj tr,tr1,div;
1304: union oNDC hg;
1305: P cont;
1.157 noro 1306:
1307: if ( dn ) {
1308: if ( mod )
1309: dn->m = 1;
1310: else if ( nd_vc )
1311: dn->r = (R)ONE;
1312: else
1313: dn->z = ONE;
1314: }
1315: if ( !g ) {
1316: *rp = d;
1317: return 1;
1318: }
1319: if ( !mod ) hmag = ((double)p_mag(HCP(g)))*nd_scale;
1320:
1321: sugar0 = sugar = SG(g);
1322: n = NV(g);
1323: mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
1324: if ( d )
1325: for ( tail = BDY(d); NEXT(tail); tail = NEXT(tail) );
1326: for ( ; g; ) {
1327: index = ndl_find_reducer(HDL(g));
1328: if ( index >= 0 ) {
1329: h = nd_psh[index];
1330: ndl_sub(HDL(g),DL(h),DL(mul));
1331: if ( ndl_check_bound2(index,DL(mul)) ) {
1332: nd_free(g); nd_free(d);
1333: return 0;
1334: }
1335: p = nd_demand ? ndv_load(index) : ps[index];
1.167 noro 1336: /* d+g -> div*(d+g)+mul*p */
1337: g = nd_reduce2(mod,d,g,p,mul,dn,&div);
1.172 noro 1338: if ( nd_gentrace ) {
1.167 noro 1339: /* Trace=[div,index,mul,ONE] */
1340: STOQ(index,iq);
1341: nmtodp(mod,mul,&dmul);
1342: node = mknode(4,div,iq,dmul,ONE);
1343: }
1.157 noro 1344: sugar = MAX(sugar,SG(p)+TD(DL(mul)));
1345: if ( !mod && g && ((double)(p_mag(HCP(g))) > hmag) ) {
1.167 noro 1346: hg = HCU(g);
1.157 noro 1347: nd_removecont2(d,g);
1.172 noro 1348: if ( dn || nd_gentrace ) {
1.167 noro 1349: /* overwrite cont : Trace=[div,index,mul,cont] */
1350: cont = ndc_div(mod,hg,HCU(g));
1351: if ( dn ) {
1352: if ( nd_vc ) {
1353: divr(nd_vc,(Obj)dn->r,(Obj)cont,&tr);
1354: reductr(nd_vc,(Obj)tr,&tr1); dn->r = (R)tr1;
1355: } else divq(dn->z,(Q)cont,&dn->z);
1.157 noro 1356: }
1.172 noro 1357: if ( nd_gentrace && !UNIQ(cont) ) ARG3(node) = (pointer)cont;
1.157 noro 1358: }
1359: hmag = ((double)p_mag(HCP(g)))*nd_scale;
1360: }
1.167 noro 1361: MKLIST(hist,node);
1362: MKNODE(node,hist,nd_tracelist); nd_tracelist = node;
1.157 noro 1363: } else if ( !full ) {
1364: *rp = g;
1365: return 1;
1366: } else {
1367: m = BDY(g);
1368: if ( NEXT(m) ) {
1369: BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--;
1370: } else {
1371: FREEND(g); g = 0;
1372: }
1373: if ( d ) {
1374: NEXT(tail)=m; tail=m; LEN(d)++;
1375: } else {
1376: MKND(n,m,1,d); tail = BDY(d);
1377: }
1378: }
1379: }
1380: if ( d ) SG(d) = sugar;
1381: *rp = d;
1382: return 1;
1.1 noro 1383: }
1.28 noro 1384:
1.53 noro 1385: int nd_nf_pbucket(int mod,ND g,NDV *ps,int full,ND *rp)
1.25 noro 1386: {
1.157 noro 1387: int hindex,index;
1388: NDV p;
1389: ND u,d,red;
1390: NODE l;
1391: NM mul,m,mrd,tail;
1392: int sugar,psugar,n,h_reducible;
1393: PGeoBucket bucket;
1394: int c,c1,c2;
1395: Q cg,cred,gcd,zzz;
1396: RHist h;
1397: double hmag,gmag;
1398: int count = 0;
1399: int hcount = 0;
1400:
1401: if ( !g ) {
1402: *rp = 0;
1403: return 1;
1404: }
1405: sugar = SG(g);
1406: n = NV(g);
1407: if ( !mod ) hmag = ((double)p_mag((P)HCQ(g)))*nd_scale;
1408: bucket = create_pbucket();
1409: add_pbucket(mod,bucket,g);
1410: d = 0;
1411: mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
1412: while ( 1 ) {
1413: hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket);
1414: if ( hindex < 0 ) {
1415: if ( DP_Print > 3 ) printf("(%d %d)",count,hcount);
1416: if ( d ) SG(d) = sugar;
1417: *rp = d;
1418: return 1;
1419: }
1420: g = bucket->body[hindex];
1421: index = ndl_find_reducer(HDL(g));
1422: if ( index >= 0 ) {
1423: count++;
1424: if ( !d ) hcount++;
1425: h = nd_psh[index];
1426: ndl_sub(HDL(g),DL(h),DL(mul));
1427: if ( ndl_check_bound2(index,DL(mul)) ) {
1428: nd_free(d);
1429: free_pbucket(bucket);
1430: *rp = 0;
1431: return 0;
1432: }
1433: p = ps[index];
1434: if ( mod == -1 )
1435: CM(mul) = _mulsf(_invsf(HCM(p)),_chsgnsf(HCM(g)));
1436: else if ( mod ) {
1437: c1 = invm(HCM(p),mod); c2 = mod-HCM(g);
1438: DMAR(c1,c2,0,mod,c); CM(mul) = c;
1439: } else {
1440: igcd_cofactor(HCQ(g),HCQ(p),&gcd,&cg,&cred);
1441: chsgnq(cg,&CQ(mul));
1442: nd_mul_c_q(d,(P)cred);
1443: mulq_pbucket(bucket,cred);
1444: g = bucket->body[hindex];
1445: gmag = (double)p_mag((P)HCQ(g));
1446: }
1447: red = ndv_mul_nm(mod,mul,p);
1448: bucket->body[hindex] = nd_remove_head(g);
1449: red = nd_remove_head(red);
1450: add_pbucket(mod,bucket,red);
1451: psugar = SG(p)+TD(DL(mul));
1452: sugar = MAX(sugar,psugar);
1453: if ( !mod && hmag && (gmag > hmag) ) {
1454: g = normalize_pbucket(mod,bucket);
1455: if ( !g ) {
1456: if ( d ) SG(d) = sugar;
1457: *rp = d;
1458: return 1;
1459: }
1460: nd_removecont2(d,g);
1461: hmag = ((double)p_mag((P)HCQ(g)))*nd_scale;
1462: add_pbucket(mod,bucket,g);
1463: }
1464: } else if ( !full ) {
1465: g = normalize_pbucket(mod,bucket);
1466: if ( g ) SG(g) = sugar;
1467: *rp = g;
1468: return 1;
1469: } else {
1470: m = BDY(g);
1471: if ( NEXT(m) ) {
1472: BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--;
1473: } else {
1474: FREEND(g); g = 0;
1475: }
1476: bucket->body[hindex] = g;
1477: NEXT(m) = 0;
1478: if ( d ) {
1479: NEXT(tail)=m; tail=m; LEN(d)++;
1480: } else {
1481: MKND(n,m,1,d); tail = BDY(d);
1482: }
1483: }
1484: }
1.25 noro 1485: }
1.27 noro 1486:
1.61 noro 1487: /* input : list of NDV, cand : list of NDV */
1.28 noro 1488:
1.170 noro 1489: int ndv_check_membership(int m,NODE input,int obpe,int oadv,EPOS oepos,NODE cand)
1.28 noro 1490: {
1.157 noro 1491: int n,i,stat;
1492: ND nf,d;
1493: NDV r;
1494: NODE t,s;
1495: union oNDC dn;
1.168 noro 1496: Q q;
1497: LIST list;
1.45 noro 1498:
1.172 noro 1499: ndv_setup(m,0,cand,nd_gentrace?1:0,1);
1.157 noro 1500: n = length(cand);
1.28 noro 1501:
1.172 noro 1502: if ( nd_gentrace ) { nd_alltracelist = 0; nd_tracelist = 0; }
1.157 noro 1503: /* membercheck : list is a subset of Id(cand) ? */
1.168 noro 1504: for ( t = input, i = 0; t; t = NEXT(t), i++ ) {
1.45 noro 1505: again:
1.168 noro 1506: nd_tracelist = 0;
1.157 noro 1507: if ( nd_bpe > obpe )
1508: r = ndv_dup_realloc((NDV)BDY(t),obpe,oadv,oepos);
1509: else
1510: r = (NDV)BDY(t);
1.171 noro 1511: d = ndvtond(m,r);
1512: stat = nd_nf(m,0,d,nd_ps,0,0,&nf);
1.157 noro 1513: if ( !stat ) {
1514: nd_reconstruct(0,0);
1515: goto again;
1516: } else if ( nf ) return 0;
1.172 noro 1517: if ( nd_gentrace ) {
1.168 noro 1518: nd_tracelist = reverse_node(nd_tracelist);
1519: MKLIST(list,nd_tracelist);
1520: STOQ(i,q); s = mknode(2,q,list); MKLIST(list,s);
1521: MKNODE(s,list,nd_alltracelist);
1522: nd_alltracelist = s; nd_tracelist = 0;
1523: }
1.157 noro 1524: if ( DP_Print ) { printf("."); fflush(stdout); }
1525: }
1526: if ( DP_Print ) { printf("\n"); }
1527: return 1;
1.23 noro 1528: }
1.1 noro 1529:
1530: ND nd_remove_head(ND p)
1531: {
1.157 noro 1532: NM m;
1.1 noro 1533:
1.157 noro 1534: m = BDY(p);
1535: if ( !NEXT(m) ) {
1536: FREEND(p); p = 0;
1537: } else {
1538: BDY(p) = NEXT(m); LEN(p)--;
1539: }
1540: FREENM(m);
1541: return p;
1.1 noro 1542: }
1543:
1.69 noro 1544: ND nd_separate_head(ND p,ND *head)
1545: {
1.157 noro 1546: NM m,m0;
1547: ND r;
1.69 noro 1548:
1.157 noro 1549: m = BDY(p);
1550: if ( !NEXT(m) ) {
1551: *head = p; p = 0;
1552: } else {
1553: m0 = m;
1554: BDY(p) = NEXT(m); LEN(p)--;
1555: NEXT(m0) = 0;
1556: MKND(NV(p),m0,1,r);
1557: *head = r;
1558: }
1559: return p;
1.69 noro 1560: }
1561:
1.1 noro 1562: PGeoBucket create_pbucket()
1563: {
1564: PGeoBucket g;
1.157 noro 1565:
1566: g = CALLOC(1,sizeof(struct oPGeoBucket));
1567: g->m = -1;
1568: return g;
1.1 noro 1569: }
1570:
1.25 noro 1571: void free_pbucket(PGeoBucket b) {
1.157 noro 1572: int i;
1.25 noro 1573:
1.157 noro 1574: for ( i = 0; i <= b->m; i++ )
1575: if ( b->body[i] ) {
1576: nd_free(b->body[i]);
1577: b->body[i] = 0;
1578: }
1579: GC_free(b);
1.25 noro 1580: }
1581:
1.63 noro 1582: void add_pbucket_symbolic(PGeoBucket g,ND d)
1583: {
1.157 noro 1584: int l,i,k,m;
1.63 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_merge(g->body[k],d);
1592: for ( ; d && LEN(d) > m; k++, m <<= 1 ) {
1593: g->body[k] = 0;
1594: d = nd_merge(g->body[k+1],d);
1595: }
1596: g->body[k] = d;
1597: g->m = MAX(g->m,k);
1.63 noro 1598: }
1599:
1.31 noro 1600: void add_pbucket(int mod,PGeoBucket g,ND d)
1.1 noro 1601: {
1.157 noro 1602: int l,i,k,m;
1.1 noro 1603:
1.157 noro 1604: if ( !d )
1605: return;
1606: l = LEN(d);
1607: for ( k = 0, m = 1; l > m; k++, m <<= 1 );
1608: /* 2^(k-1) < l <= 2^k (=m) */
1609: d = nd_add(mod,g->body[k],d);
1610: for ( ; d && LEN(d) > m; k++, m <<= 1 ) {
1611: g->body[k] = 0;
1612: d = nd_add(mod,g->body[k+1],d);
1613: }
1614: g->body[k] = d;
1615: g->m = MAX(g->m,k);
1.1 noro 1616: }
1617:
1.113 noro 1618: void mulq_pbucket(PGeoBucket g,Q c)
1.26 noro 1619: {
1.157 noro 1620: int k;
1.26 noro 1621:
1.157 noro 1622: for ( k = 0; k <= g->m; k++ )
1623: nd_mul_c_q(g->body[k],(P)c);
1.26 noro 1624: }
1625:
1.63 noro 1626: NM remove_head_pbucket_symbolic(PGeoBucket g)
1627: {
1.157 noro 1628: int j,i,k,c;
1629: NM head;
1630:
1631: k = g->m;
1632: j = -1;
1633: for ( i = 0; i <= k; i++ ) {
1634: if ( !g->body[i] ) continue;
1635: if ( j < 0 ) j = i;
1636: else {
1637: c = DL_COMPARE(HDL(g->body[i]),HDL(g->body[j]));
1638: if ( c > 0 )
1639: j = i;
1640: else if ( c == 0 )
1641: g->body[i] = nd_remove_head(g->body[i]);
1642: }
1643: }
1644: if ( j < 0 ) return 0;
1645: else {
1646: head = BDY(g->body[j]);
1647: if ( !NEXT(head) ) {
1648: FREEND(g->body[j]);
1649: g->body[j] = 0;
1650: } else {
1651: BDY(g->body[j]) = NEXT(head);
1652: LEN(g->body[j])--;
1653: }
1654: return head;
1655: }
1.63 noro 1656: }
1657:
1.19 noro 1658: int head_pbucket(int mod,PGeoBucket g)
1.1 noro 1659: {
1.157 noro 1660: int j,i,c,k,nv,sum;
1661: UINT *di,*dj;
1662: ND gi,gj;
1663:
1664: k = g->m;
1665: while ( 1 ) {
1666: j = -1;
1667: for ( i = 0; i <= k; i++ ) {
1668: if ( !(gi = g->body[i]) )
1669: continue;
1670: if ( j < 0 ) {
1671: j = i;
1672: gj = g->body[j];
1673: dj = HDL(gj);
1674: sum = HCM(gj);
1675: } else {
1676: c = DL_COMPARE(HDL(gi),dj);
1677: if ( c > 0 ) {
1678: if ( sum ) HCM(gj) = sum;
1679: else g->body[j] = nd_remove_head(gj);
1680: j = i;
1681: gj = g->body[j];
1682: dj = HDL(gj);
1683: sum = HCM(gj);
1684: } else if ( c == 0 ) {
1685: if ( mod == -1 )
1686: sum = _addsf(sum,HCM(gi));
1687: else {
1688: sum = sum+HCM(gi)-mod;
1689: if ( sum < 0 ) sum += mod;
1690: }
1691: g->body[i] = nd_remove_head(gi);
1692: }
1693: }
1694: }
1695: if ( j < 0 ) return -1;
1696: else if ( sum ) {
1697: HCM(gj) = sum;
1698: return j;
1699: } else
1700: g->body[j] = nd_remove_head(gj);
1701: }
1.26 noro 1702: }
1703:
1.113 noro 1704: int head_pbucket_q(PGeoBucket g)
1.26 noro 1705: {
1.157 noro 1706: int j,i,c,k,nv;
1707: Q sum,t;
1708: ND gi,gj;
1709:
1710: k = g->m;
1711: while ( 1 ) {
1712: j = -1;
1713: for ( i = 0; i <= k; i++ ) {
1714: if ( !(gi = g->body[i]) ) continue;
1715: if ( j < 0 ) {
1716: j = i;
1717: gj = g->body[j];
1718: sum = HCQ(gj);
1719: } else {
1720: nv = NV(gi);
1721: c = DL_COMPARE(HDL(gi),HDL(gj));
1722: if ( c > 0 ) {
1723: if ( sum ) HCQ(gj) = sum;
1724: else g->body[j] = nd_remove_head(gj);
1725: j = i;
1726: gj = g->body[j];
1727: sum = HCQ(gj);
1728: } else if ( c == 0 ) {
1729: addq(sum,HCQ(gi),&t);
1730: sum = t;
1731: g->body[i] = nd_remove_head(gi);
1732: }
1733: }
1734: }
1735: if ( j < 0 ) return -1;
1736: else if ( sum ) {
1737: HCQ(gj) = sum;
1738: return j;
1739: } else
1740: g->body[j] = nd_remove_head(gj);
1741: }
1.1 noro 1742: }
1743:
1.25 noro 1744: ND normalize_pbucket(int mod,PGeoBucket g)
1.1 noro 1745: {
1.157 noro 1746: int i;
1747: ND r,t;
1.1 noro 1748:
1.157 noro 1749: r = 0;
1750: for ( i = 0; i <= g->m; i++ ) {
1751: r = nd_add(mod,r,g->body[i]);
1752: g->body[i] = 0;
1753: }
1754: g->m = -1;
1755: return r;
1.1 noro 1756: }
1757:
1.150 noro 1758: #if 0
1759: void register_hcf(NDV p)
1760: {
1.157 noro 1761: DCP dc,t;
1762: P hc,h;
1763: int c;
1764: NODE l,l1,prev;
1765:
1766: hc = p->body->c.p;
1767: if ( !nd_vc || NUM(hc) ) return;
1768: fctrp(nd_vc,hc,&dc);
1769: for ( t = dc; t; t = NEXT(t) ) {
1770: h = t->c;
1771: if ( NUM(h) ) continue;
1772: for ( prev = 0, l = nd_hcf; l; prev = l, l = NEXT(l) ) {
1773: c = compp(nd_vc,h,(P)BDY(l));
1774: if ( c >= 0 ) break;
1775: }
1776: if ( !l || c > 0 ) {
1777: MKNODE(l1,h,l);
1778: if ( !prev )
1779: nd_hcf = l1;
1780: else
1781: NEXT(prev) = l1;
1782: }
1783: }
1.150 noro 1784: }
1785: #else
1786: void register_hcf(NDV p)
1787: {
1.157 noro 1788: DCP dc,t;
1789: P hc,h,q;
1790: Q dmy;
1791: int c;
1792: NODE l,l1,prev;
1793:
1794: hc = p->body->c.p;
1795: if ( NUM(hc) ) return;
1796: ptozp(hc,1,&dmy,&h);
1.150 noro 1797: #if 1
1.157 noro 1798: for ( l = nd_hcf; l; l = NEXT(l) ) {
1799: while ( 1 ) {
1800: if ( divtpz(nd_vc,h,(P)BDY(l),&q) ) h = q;
1801: else break;
1802: }
1803: }
1804: if ( NUM(h) ) return;
1.150 noro 1805: #endif
1.157 noro 1806: for ( prev = 0, l = nd_hcf; l; prev = l, l = NEXT(l) ) {
1807: c = compp(nd_vc,h,(P)BDY(l));
1808: if ( c >= 0 ) break;
1809: }
1810: if ( !l || c > 0 ) {
1811: MKNODE(l1,h,l);
1812: if ( !prev )
1813: nd_hcf = l1;
1814: else
1815: NEXT(prev) = l1;
1816: }
1.150 noro 1817: }
1818: #endif
1819:
1.122 noro 1820: int do_diagonalize(int sugar,int m)
1.92 noro 1821: {
1.157 noro 1822: int i,nh,stat;
1823: NODE r,g,t;
1824: ND h,nf,s,head;
1825: NDV nfv;
1826: Q q,num,den;
1.167 noro 1827: P nm,nmp,dn,mnp,dnp,cont,cont1;
1828: union oNDC hc;
1829: NODE node;
1830: LIST l;
1831: Q iq;
1.157 noro 1832:
1833: for ( i = nd_psn-1; i >= 0 && SG(nd_psh[i]) == sugar; i-- ) {
1.172 noro 1834: if ( nd_gentrace ) {
1.167 noro 1835: /* Trace = [1,index,1,1] */
1836: STOQ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
1837: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
1838: }
1.157 noro 1839: if ( nd_demand )
1840: nfv = ndv_load(i);
1841: else
1842: nfv = nd_ps[i];
1843: s = ndvtond(m,nfv);
1844: s = nd_separate_head(s,&head);
1845: stat = nd_nf(m,head,s,nd_ps,1,0,&nf);
1846: if ( !stat ) return 0;
1847: ndv_free(nfv);
1.167 noro 1848: hc = HCU(nf); nd_removecont(m,nf);
1849: cont = ndc_div(m,hc,HCU(nf));
1.172 noro 1850: if ( nd_gentrace ) finalize_tracelist(i,cont);
1.157 noro 1851: nfv = ndtondv(m,nf);
1852: nd_free(nf);
1853: nd_bound[i] = ndv_compute_bound(nfv);
1854: if ( !m ) register_hcf(nfv);
1855: if ( nd_demand ) {
1856: ndv_save(nfv,i);
1857: ndv_free(nfv);
1858: } else
1859: nd_ps[i] = nfv;
1860: }
1861: return 1;
1.92 noro 1862: }
1863:
1.27 noro 1864: /* return value = 0 => input is not a GB */
1865:
1.168 noro 1866: NODE nd_gb(int m,int ishomo,int checkonly,int gensyz,int **indp)
1.1 noro 1867: {
1.157 noro 1868: int i,nh,sugar,stat;
1869: NODE r,g,t;
1870: ND_pairs d;
1871: ND_pairs l;
1872: ND h,nf,s,head,nf1;
1873: NDV nfv;
1874: Q q,num,den;
1.167 noro 1875: union oNDC dn,hc;
1.157 noro 1876: int diag_count = 0;
1.167 noro 1877: P cont;
1878: LIST list;
1.157 noro 1879:
1880: g = 0; d = 0;
1881: for ( i = 0; i < nd_psn; i++ ) {
1.168 noro 1882: d = update_pairs(d,g,i,gensyz);
1.157 noro 1883: g = update_base(g,i);
1884: }
1885: sugar = 0;
1886: while ( d ) {
1.1 noro 1887: again:
1.157 noro 1888: l = nd_minp(d,&d);
1889: if ( SG(l) != sugar ) {
1890: if ( ishomo ) {
1891: diag_count = 0;
1892: stat = do_diagonalize(sugar,m);
1893: if ( !stat ) {
1894: NEXT(l) = d; d = l;
1895: d = nd_reconstruct(0,d);
1896: goto again;
1897: }
1898: }
1899: sugar = SG(l);
1900: if ( DP_Print ) fprintf(asir_out,"%d",sugar);
1901: }
1902: stat = nd_sp(m,0,l,&h);
1903: if ( !stat ) {
1904: NEXT(l) = d; d = l;
1905: d = nd_reconstruct(0,d);
1906: goto again;
1907: }
1.41 noro 1908: #if USE_GEOBUCKET
1.172 noro 1909: stat = (m&&!nd_gentrace)?nd_nf_pbucket(m,h,nd_ps,!Top,&nf)
1.167 noro 1910: :nd_nf(m,0,h,nd_ps,!Top,0,&nf);
1.41 noro 1911: #else
1.157 noro 1912: stat = nd_nf(m,0,h,nd_ps,!Top,0,&nf);
1.41 noro 1913: #endif
1.157 noro 1914: if ( !stat ) {
1915: NEXT(l) = d; d = l;
1916: d = nd_reconstruct(0,d);
1917: goto again;
1918: } else if ( nf ) {
1.168 noro 1919: if ( checkonly || gensyz ) return 0;
1.157 noro 1920: if ( DP_Print ) { printf("+"); fflush(stdout); }
1.167 noro 1921: hc = HCU(nf);
1.157 noro 1922: nd_removecont(m,nf);
1923: if ( !m && nd_nalg ) {
1924: nd_monic(0,&nf);
1925: nd_removecont(m,nf);
1926: }
1.172 noro 1927: if ( nd_gentrace ) {
1.167 noro 1928: cont = ndc_div(m,hc,HCU(nf));
1929: if ( m || !UNIQ(cont) ) {
1930: t = mknode(4,0,0,0,cont);
1931: MKLIST(list,t); MKNODE(t,list,nd_tracelist);
1932: nd_tracelist = t;
1933: }
1934: }
1.157 noro 1935: nfv = ndtondv(m,nf); nd_free(nf);
1936: nh = ndv_newps(m,nfv,0);
1937: if ( !m && (ishomo && ++diag_count == diag_period) ) {
1938: diag_count = 0;
1939: stat = do_diagonalize(sugar,m);
1940: if ( !stat ) {
1941: NEXT(l) = d; d = l;
1942: d = nd_reconstruct(1,d);
1943: goto again;
1944: }
1945: }
1.168 noro 1946: d = update_pairs(d,g,nh,0);
1.157 noro 1947: g = update_base(g,nh);
1948: FREENDP(l);
1949: } else {
1.172 noro 1950: if ( nd_gentrace && gensyz ) {
1.168 noro 1951: nd_tracelist = reverse_node(nd_tracelist);
1952: MKLIST(list,nd_tracelist);
1953: STOQ(-1,q); t = mknode(2,q,list); MKLIST(list,t);
1954: MKNODE(t,list,nd_alltracelist);
1955: nd_alltracelist = t; nd_tracelist = 0;
1956: }
1.157 noro 1957: if ( DP_Print ) { printf("."); fflush(stdout); }
1958: FREENDP(l);
1959: }
1960: }
1.167 noro 1961: conv_ilist(nd_demand,0,g,indp);
1.157 noro 1962: if ( !checkonly && DP_Print ) { printf("nd_gb done.\n"); fflush(stdout); }
1963: return g;
1.1 noro 1964: }
1965:
1.122 noro 1966: int do_diagonalize_trace(int sugar,int m)
1.91 noro 1967: {
1.157 noro 1968: int i,nh,stat;
1969: NODE r,g,t;
1970: ND h,nf,nfq,s,head;
1971: NDV nfv,nfqv;
1972: Q q,den,num;
1.167 noro 1973: union oNDC hc;
1974: NODE node;
1975: LIST l;
1976: Q iq;
1977: P cont,cont1;
1.157 noro 1978:
1979: for ( i = nd_psn-1; i >= 0 && SG(nd_psh[i]) == sugar; i-- ) {
1.172 noro 1980: if ( nd_gentrace ) {
1.167 noro 1981: /* Trace = [1,index,1,1] */
1982: STOQ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
1983: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
1984: }
1.157 noro 1985: /* for nd_ps */
1986: s = ndvtond(m,nd_ps[i]);
1987: s = nd_separate_head(s,&head);
1988: stat = nd_nf_pbucket(m,s,nd_ps,1,&nf);
1989: if ( !stat ) return 0;
1990: nf = nd_add(m,head,nf);
1991: ndv_free(nd_ps[i]);
1992: nd_ps[i] = ndtondv(m,nf);
1993: nd_free(nf);
1994:
1995: /* for nd_ps_trace */
1996: if ( nd_demand )
1997: nfv = ndv_load(i);
1998: else
1999: nfv = nd_ps_trace[i];
2000: s = ndvtond(0,nfv);
2001: s = nd_separate_head(s,&head);
2002: stat = nd_nf(0,head,s,nd_ps_trace,1,0,&nf);
2003: if ( !stat ) return 0;
2004: ndv_free(nfv);
1.167 noro 2005: hc = HCU(nf); nd_removecont(0,nf);
2006: cont = ndc_div(0,hc,HCU(nf));
1.172 noro 2007: if ( nd_gentrace ) finalize_tracelist(i,cont);
1.157 noro 2008: nfv = ndtondv(0,nf);
2009: nd_free(nf);
2010: nd_bound[i] = ndv_compute_bound(nfv);
2011: register_hcf(nfv);
2012: if ( nd_demand ) {
2013: ndv_save(nfv,i);
2014: ndv_free(nfv);
2015: } else
2016: nd_ps_trace[i] = nfv;
2017: }
2018: return 1;
1.91 noro 2019: }
2020:
1.118 noro 2021: static struct oEGT eg_invdalg;
2022: struct oEGT eg_le;
2023:
1.147 noro 2024: void nd_subst_vector(VL vl,P p,NODE subst,P *r)
2025: {
1.157 noro 2026: NODE tn;
2027: P p1;
1.147 noro 2028:
1.157 noro 2029: for ( tn = subst; tn; tn = NEXT(NEXT(tn)) ) {
2030: substp(vl,p,BDY(tn),BDY(NEXT(tn)),&p1); p = p1;
2031: }
2032: *r = p;
1.147 noro 2033: }
2034:
1.167 noro 2035: NODE nd_gb_trace(int m,int ishomo,int **indp)
1.20 noro 2036: {
1.157 noro 2037: int i,nh,sugar,stat;
2038: NODE r,g,t;
2039: ND_pairs d;
2040: ND_pairs l;
2041: ND h,nf,nfq,s,head;
2042: NDV nfv,nfqv;
2043: Q q,den,num;
2044: P hc;
1.167 noro 2045: union oNDC dn,hnfq;
1.157 noro 2046: struct oEGT eg_monic,egm0,egm1;
2047: int diag_count = 0;
1.167 noro 2048: P cont;
2049: LIST list;
1.157 noro 2050:
2051: init_eg(&eg_monic);
2052: init_eg(&eg_invdalg);
2053: init_eg(&eg_le);
2054: g = 0; d = 0;
2055: for ( i = 0; i < nd_psn; i++ ) {
1.168 noro 2056: d = update_pairs(d,g,i,0);
1.157 noro 2057: g = update_base(g,i);
2058: }
2059: sugar = 0;
2060: while ( d ) {
1.20 noro 2061: again:
1.157 noro 2062: l = nd_minp(d,&d);
2063: if ( SG(l) != sugar ) {
1.130 noro 2064: #if 1
1.157 noro 2065: if ( ishomo ) {
2066: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2067: stat = do_diagonalize_trace(sugar,m);
2068: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2069: diag_count = 0;
2070: if ( !stat ) {
2071: NEXT(l) = d; d = l;
2072: d = nd_reconstruct(1,d);
2073: goto again;
2074: }
2075: }
1.130 noro 2076: #endif
1.157 noro 2077: sugar = SG(l);
2078: if ( DP_Print ) fprintf(asir_out,"%d",sugar);
2079: }
2080: stat = nd_sp(m,0,l,&h);
2081: if ( !stat ) {
2082: NEXT(l) = d; d = l;
2083: d = nd_reconstruct(1,d);
2084: goto again;
2085: }
1.41 noro 2086: #if USE_GEOBUCKET
1.157 noro 2087: stat = nd_nf_pbucket(m,h,nd_ps,!Top,&nf);
1.41 noro 2088: #else
1.157 noro 2089: stat = nd_nf(m,0,h,nd_ps,!Top,0,&nf);
1.41 noro 2090: #endif
1.157 noro 2091: if ( !stat ) {
2092: NEXT(l) = d; d = l;
2093: d = nd_reconstruct(1,d);
2094: goto again;
2095: } else if ( nf ) {
2096: if ( nd_demand ) {
2097: nfqv = ndv_load(nd_psn);
2098: nfq = ndvtond(0,nfqv);
2099: } else
2100: nfq = 0;
2101: if ( !nfq ) {
2102: if ( !nd_sp(0,1,l,&h) || !nd_nf(0,0,h,nd_ps_trace,!Top,0,&nfq) ) {
2103: NEXT(l) = d; d = l;
2104: d = nd_reconstruct(1,d);
2105: goto again;
2106: }
2107: }
2108: if ( nfq ) {
2109: /* m|HC(nfq) => failure */
2110: if ( nd_vc ) {
2111: nd_subst_vector(nd_vc,HCP(nfq),nd_subst,&hc); q = (Q)hc;
2112: } else
2113: q = HCQ(nfq);
2114: if ( !rem(NM(q),m) ) return 0;
2115:
2116: if ( DP_Print ) { printf("+"); fflush(stdout); }
1.167 noro 2117: hnfq = HCU(nfq);
1.157 noro 2118: if ( nd_nalg ) {
2119: /* m|DN(HC(nf)^(-1)) => failure */
2120: get_eg(&egm0);
2121: if ( !nd_monic(m,&nfq) ) return 0;
2122: get_eg(&egm1); add_eg(&eg_monic,&egm0,&egm1);
2123: nd_removecont(0,nfq); nfqv = ndtondv(0,nfq); nd_free(nfq);
2124: nfv = ndv_dup(0,nfqv); ndv_mod(m,nfv); nd_free(nf);
2125: } else {
2126: nd_removecont(0,nfq); nfqv = ndtondv(0,nfq); nd_free(nfq);
2127: nd_removecont(m,nf); nfv = ndtondv(m,nf); nd_free(nf);
2128: }
1.172 noro 2129: if ( nd_gentrace ) {
1.167 noro 2130: cont = ndc_div(0,hnfq,HCU(nfqv));
2131: if ( !UNIQ(cont) ) {
2132: t = mknode(4,0,0,0,cont);
2133: MKLIST(list,t); MKNODE(t,list,nd_tracelist);
2134: nd_tracelist = t;
2135: }
2136: }
1.157 noro 2137: nh = ndv_newps(0,nfv,nfqv);
2138: if ( ishomo && ++diag_count == diag_period ) {
2139: diag_count = 0;
2140: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2141: stat = do_diagonalize_trace(sugar,m);
2142: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2143: if ( !stat ) {
2144: NEXT(l) = d; d = l;
2145: d = nd_reconstruct(1,d);
2146: goto again;
2147: }
2148: }
1.168 noro 2149: d = update_pairs(d,g,nh,0);
1.157 noro 2150: g = update_base(g,nh);
2151: } else {
2152: if ( DP_Print ) { printf("*"); fflush(stdout); }
2153: }
2154: } else {
2155: if ( DP_Print ) { printf("."); fflush(stdout); }
2156: }
2157: FREENDP(l);
2158: }
2159: if ( nd_nalg ) {
2160: print_eg("monic",&eg_monic);
2161: print_eg("invdalg",&eg_invdalg);
2162: print_eg("le",&eg_le);
2163: }
1.167 noro 2164: conv_ilist(nd_demand,1,g,indp);
1.157 noro 2165: if ( DP_Print ) { printf("nd_gb_trace done.\n"); fflush(stdout); }
2166: return g;
1.20 noro 2167: }
2168:
1.23 noro 2169: int ndv_compare(NDV *p1,NDV *p2)
2170: {
1.157 noro 2171: return DL_COMPARE(HDL(*p1),HDL(*p2));
1.23 noro 2172: }
2173:
2174: int ndv_compare_rev(NDV *p1,NDV *p2)
2175: {
1.157 noro 2176: return -DL_COMPARE(HDL(*p1),HDL(*p2));
1.23 noro 2177: }
2178:
1.167 noro 2179: int ndvi_compare(NDVI p1,NDVI p2)
2180: {
2181: return DL_COMPARE(HDL(p1->p),HDL(p2->p));
2182: }
2183:
2184: int ndvi_compare_rev(NDVI p1,NDVI p2)
2185: {
2186: return -DL_COMPARE(HDL(p1->p),HDL(p2->p));
2187: }
2188:
1.61 noro 2189: NODE ndv_reduceall(int m,NODE f)
1.23 noro 2190: {
1.167 noro 2191: int i,j,n,stat;
1.157 noro 2192: ND nf,g,head;
2193: NODE t,a0,a;
2194: union oNDC dn;
2195: Q q,num,den;
1.167 noro 2196: NODE node;
2197: LIST l;
2198: Q iq,jq;
2199: int *perm;
2200: union oNDC hc;
2201: P cont,cont1;
1.23 noro 2202:
1.173 noro 2203: if ( nd_nora ) return f;
1.157 noro 2204: n = length(f);
2205: ndv_setup(m,0,f,0,1);
1.167 noro 2206: perm = (int *)MALLOC(n*sizeof(int));
1.172 noro 2207: if ( nd_gentrace ) {
1.167 noro 2208: for ( t = nd_tracelist, i = 0; i < n; i++, t = NEXT(t) )
2209: perm[i] = QTOS((Q)ARG1(BDY((LIST)BDY(t))));
2210: }
1.157 noro 2211: for ( i = 0; i < n; ) {
1.172 noro 2212: if ( nd_gentrace ) {
1.167 noro 2213: /* Trace = [1,index,1,1] */
2214: STOQ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
2215: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
2216: }
1.157 noro 2217: g = ndvtond(m,nd_ps[i]);
2218: g = nd_separate_head(g,&head);
2219: stat = nd_nf(m,head,g,nd_ps,1,0,&nf);
2220: if ( !stat )
2221: nd_reconstruct(0,0);
2222: else {
2223: if ( DP_Print ) { printf("."); fflush(stdout); }
2224: ndv_free(nd_ps[i]);
1.167 noro 2225: hc = HCU(nf); nd_removecont(m,nf);
1.172 noro 2226: if ( nd_gentrace ) {
1.167 noro 2227: for ( t = nd_tracelist; t; t = NEXT(t) ) {
2228: jq = ARG1(BDY((LIST)BDY(t))); j = QTOS(jq);
2229: STOQ(perm[j],jq); ARG1(BDY((LIST)BDY(t))) = jq;
2230: }
2231: cont = ndc_div(m,hc,HCU(nf));
2232: finalize_tracelist(perm[i],cont);
2233: }
1.157 noro 2234: nd_ps[i] = ndtondv(m,nf); nd_free(nf);
2235: nd_bound[i] = ndv_compute_bound(nd_ps[i]);
2236: i++;
2237: }
2238: }
2239: if ( DP_Print ) { printf("\n"); }
2240: for ( a0 = 0, i = 0; i < n; i++ ) {
2241: NEXTNODE(a0,a);
1.172 noro 2242: if ( !nd_gentrace ) BDY(a) = (pointer)nd_ps[i];
1.167 noro 2243: else {
2244: for ( j = 0; j < n; j++ ) if ( perm[j] == i ) break;
2245: BDY(a) = (pointer)nd_ps[j];
2246: }
1.157 noro 2247: }
2248: NEXT(a) = 0;
2249: return a0;
1.23 noro 2250: }
2251:
1.168 noro 2252: ND_pairs update_pairs( ND_pairs d, NODE /* of index */ g, int t, int gensyz)
1.1 noro 2253: {
1.157 noro 2254: ND_pairs d1,nd,cur,head,prev,remove;
1.1 noro 2255:
1.157 noro 2256: if ( !g ) return d;
1.168 noro 2257: /* for testing */
1.172 noro 2258: if ( gensyz && nd_gensyz == 2 ) {
1.168 noro 2259: d1 = nd_newpairs(g,t);
2260: if ( !d )
2261: return d1;
2262: else {
2263: nd = d;
2264: while ( NEXT(nd) ) nd = NEXT(nd);
2265: NEXT(nd) = d1;
2266: return d;
2267: }
2268: }
1.157 noro 2269: d = crit_B(d,t);
2270: d1 = nd_newpairs(g,t);
2271: d1 = crit_M(d1);
2272: d1 = crit_F(d1);
1.168 noro 2273: if ( gensyz || do_weyl )
1.157 noro 2274: head = d1;
2275: else {
2276: prev = 0; cur = head = d1;
2277: while ( cur ) {
2278: if ( crit_2( cur->i1,cur->i2 ) ) {
2279: remove = cur;
2280: if ( !prev ) head = cur = NEXT(cur);
2281: else cur = NEXT(prev) = NEXT(cur);
2282: FREENDP(remove);
2283: } else {
2284: prev = cur; cur = NEXT(cur);
2285: }
2286: }
2287: }
2288: if ( !d )
2289: return head;
2290: else {
2291: nd = d;
2292: while ( NEXT(nd) ) nd = NEXT(nd);
2293: NEXT(nd) = head;
2294: return d;
2295: }
1.1 noro 2296: }
2297:
1.157 noro 2298:
1.1 noro 2299: ND_pairs nd_newpairs( NODE g, int t )
2300: {
1.157 noro 2301: NODE h;
2302: UINT *dl;
2303: int ts,s;
2304: ND_pairs r,r0;
2305:
2306: dl = DL(nd_psh[t]);
2307: ts = SG(nd_psh[t]) - TD(dl);
2308: for ( r0 = 0, h = g; h; h = NEXT(h) ) {
1.159 noro 2309: if ( nd_module && (MPOS(DL(nd_psh[(long)BDY(h)])) != MPOS(dl)) )
1.157 noro 2310: continue;
2311: NEXTND_pairs(r0,r);
1.159 noro 2312: r->i1 = (long)BDY(h);
1.157 noro 2313: r->i2 = t;
2314: ndl_lcm(DL(nd_psh[r->i1]),dl,r->lcm);
2315: s = SG(nd_psh[r->i1])-TD(DL(nd_psh[r->i1]));
2316: SG(r) = MAX(s,ts) + TD(LCM(r));
2317: }
2318: if ( r0 ) NEXT(r) = 0;
2319: return r0;
1.1 noro 2320: }
2321:
1.157 noro 2322: /* kokokara */
2323:
1.1 noro 2324: ND_pairs crit_B( ND_pairs d, int s )
2325: {
1.157 noro 2326: ND_pairs cur,head,prev,remove;
2327: UINT *t,*tl,*lcm;
2328: int td,tdl;
2329:
2330: if ( !d ) return 0;
2331: t = DL(nd_psh[s]);
2332: prev = 0;
2333: head = cur = d;
2334: lcm = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
2335: while ( cur ) {
2336: tl = cur->lcm;
1.163 noro 2337: if ( ndl_reducible(tl,t) ) {
2338: ndl_lcm(DL(nd_psh[cur->i1]),t,lcm);
1.167 noro 2339: if ( !ndl_equal(lcm,tl) ) {
2340: ndl_lcm(DL(nd_psh[cur->i2]),t,lcm);
2341: if (!ndl_equal(lcm,tl)) {
2342: remove = cur;
2343: if ( !prev ) {
2344: head = cur = NEXT(cur);
2345: } else {
2346: cur = NEXT(prev) = NEXT(cur);
2347: }
2348: FREENDP(remove);
2349: } else {
2350: prev = cur; cur = NEXT(cur);
2351: }
2352: } else {
2353: prev = cur; cur = NEXT(cur);
2354: }
1.157 noro 2355: } else {
2356: prev = cur; cur = NEXT(cur);
2357: }
2358: }
2359: return head;
1.1 noro 2360: }
2361:
2362: ND_pairs crit_M( ND_pairs d1 )
2363: {
1.157 noro 2364: ND_pairs e,d2,d3,dd,p;
2365: UINT *id,*jd;
1.1 noro 2366:
1.157 noro 2367: if ( !d1 ) return d1;
2368: for ( dd = 0, e = d1; e; e = d3 ) {
2369: if ( !(d2 = NEXT(e)) ) {
2370: NEXT(e) = dd;
2371: return e;
2372: }
2373: id = LCM(e);
2374: for ( d3 = 0; d2; d2 = p ) {
2375: p = NEXT(d2);
2376: jd = LCM(d2);
2377: if ( ndl_equal(jd,id) )
2378: ;
2379: else if ( TD(jd) > TD(id) )
2380: if ( ndl_reducible(jd,id) ) continue;
2381: else ;
2382: else if ( ndl_reducible(id,jd) ) goto delit;
2383: NEXT(d2) = d3;
2384: d3 = d2;
2385: }
2386: NEXT(e) = dd;
2387: dd = e;
2388: continue;
2389: /**/
2390: delit: NEXT(d2) = d3;
2391: d3 = d2;
2392: for ( ; p; p = d2 ) {
2393: d2 = NEXT(p);
2394: NEXT(p) = d3;
2395: d3 = p;
2396: }
2397: FREENDP(e);
2398: }
2399: return dd;
1.1 noro 2400: }
2401:
2402: ND_pairs crit_F( ND_pairs d1 )
2403: {
1.157 noro 2404: ND_pairs rest, head,remove;
2405: ND_pairs last, p, r, w;
2406: int s;
2407:
2408: if ( !d1 ) return d1;
2409: for ( head = last = 0, p = d1; NEXT(p); ) {
2410: r = w = equivalent_pairs(p,&rest);
2411: s = SG(r);
2412: w = NEXT(w);
2413: while ( w ) {
2414: if ( crit_2(w->i1,w->i2) ) {
2415: r = w;
2416: w = NEXT(w);
2417: while ( w ) {
2418: remove = w;
2419: w = NEXT(w);
2420: FREENDP(remove);
2421: }
2422: break;
2423: } else if ( SG(w) < s ) {
2424: FREENDP(r);
2425: r = w;
2426: s = SG(r);
2427: w = NEXT(w);
2428: } else {
2429: remove = w;
2430: w = NEXT(w);
2431: FREENDP(remove);
2432: }
2433: }
2434: if ( last ) NEXT(last) = r;
2435: else head = r;
2436: NEXT(last = r) = 0;
2437: p = rest;
2438: if ( !p ) return head;
2439: }
2440: if ( !last ) return p;
2441: NEXT(last) = p;
2442: return head;
1.1 noro 2443: }
2444:
2445: int crit_2( int dp1, int dp2 )
2446: {
1.157 noro 2447: return ndl_disjoint(DL(nd_psh[dp1]),DL(nd_psh[dp2]));
1.1 noro 2448: }
2449:
1.40 noro 2450: ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest )
1.1 noro 2451: {
1.157 noro 2452: ND_pairs w,p,r,s;
2453: UINT *d;
1.1 noro 2454:
1.157 noro 2455: w = d1;
2456: d = LCM(w);
2457: s = NEXT(w);
2458: NEXT(w) = 0;
2459: for ( r = 0; s; s = p ) {
2460: p = NEXT(s);
2461: if ( ndl_equal(d,LCM(s)) ) {
2462: NEXT(s) = w; w = s;
2463: } else {
2464: NEXT(s) = r; r = s;
2465: }
2466: }
2467: *prest = r;
2468: return w;
1.1 noro 2469: }
2470:
2471: NODE update_base(NODE nd,int ndp)
2472: {
1.157 noro 2473: UINT *dl, *dln;
2474: NODE last, p, head;
1.1 noro 2475:
1.157 noro 2476: dl = DL(nd_psh[ndp]);
2477: for ( head = last = 0, p = nd; p; ) {
1.159 noro 2478: dln = DL(nd_psh[(long)BDY(p)]);
1.157 noro 2479: if ( ndl_reducible( dln, dl ) ) {
2480: p = NEXT(p);
2481: if ( last ) NEXT(last) = p;
2482: } else {
2483: if ( !last ) head = p;
2484: p = NEXT(last = p);
2485: }
2486: }
2487: head = append_one(head,ndp);
2488: return head;
1.1 noro 2489: }
2490:
2491: ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )
2492: {
1.157 noro 2493: ND_pairs m,ml,p,l;
2494: UINT *lcm;
2495: int s,td,len,tlen,c,c1;
2496:
2497: if ( !(p = NEXT(m = d)) ) {
2498: *prest = p;
2499: NEXT(m) = 0;
2500: return m;
2501: }
2502: s = SG(m);
2503: if ( !NoSugar ) {
2504: for ( ml = 0, l = m; p; p = NEXT(l = p) )
2505: if ( (SG(p) < s)
2506: || ((SG(p) == s) && (DL_COMPARE(LCM(p),LCM(m)) < 0)) ) {
2507: ml = l; m = p; s = SG(m);
2508: }
2509: } else {
2510: for ( ml = 0, l = m; p; p = NEXT(l = p) )
2511: if ( DL_COMPARE(LCM(p),LCM(m)) < 0 ) {
2512: ml = l; m = p; s = SG(m);
2513: }
2514: }
2515: if ( !ml ) *prest = NEXT(m);
2516: else {
2517: NEXT(ml) = NEXT(m);
2518: *prest = d;
2519: }
2520: NEXT(m) = 0;
2521: return m;
1.1 noro 2522: }
2523:
1.63 noro 2524: ND_pairs nd_minsugarp( ND_pairs d, ND_pairs *prest )
2525: {
1.157 noro 2526: int msugar,i;
2527: ND_pairs t,dm0,dm,dr0,dr;
1.63 noro 2528:
1.157 noro 2529: for ( msugar = SG(d), t = NEXT(d); t; t = NEXT(t) )
2530: if ( SG(t) < msugar ) msugar = SG(t);
2531: dm0 = 0; dr0 = 0;
2532: for ( i = 0, t = d; t; t = NEXT(t) )
2533: if ( i < nd_f4_nsp && SG(t) == msugar ) {
2534: if ( dm0 ) NEXT(dm) = t;
2535: else dm0 = t;
2536: dm = t;
2537: i++;
2538: } else {
2539: if ( dr0 ) NEXT(dr) = t;
2540: else dr0 = t;
2541: dr = t;
2542: }
2543: NEXT(dm) = 0;
2544: if ( dr0 ) NEXT(dr) = 0;
2545: *prest = dr0;
2546: return dm0;
1.63 noro 2547: }
2548:
1.77 noro 2549: int ndv_newps(int m,NDV a,NDV aq)
1.1 noro 2550: {
1.157 noro 2551: int len;
2552: RHist r;
2553: NDV b;
1.167 noro 2554: NODE tn;
2555: LIST l;
2556: Q iq;
1.157 noro 2557:
2558: if ( nd_psn == nd_pslen ) {
2559: nd_pslen *= 2;
2560: nd_ps = (NDV *)REALLOC((char *)nd_ps,nd_pslen*sizeof(NDV));
2561: nd_ps_trace = (NDV *)REALLOC((char *)nd_ps_trace,nd_pslen*sizeof(NDV));
2562: nd_psh = (RHist *)REALLOC((char *)nd_psh,nd_pslen*sizeof(RHist));
2563: nd_bound = (UINT **)
2564: REALLOC((char *)nd_bound,nd_pslen*sizeof(UINT *));
2565: }
2566: NEWRHist(r); nd_psh[nd_psn] = r;
2567: nd_ps[nd_psn] = a;
2568: if ( aq ) {
2569: nd_ps_trace[nd_psn] = aq;
2570: register_hcf(aq);
2571: nd_bound[nd_psn] = ndv_compute_bound(aq);
2572: SG(r) = SG(aq); ndl_copy(HDL(aq),DL(r));
2573: } else {
2574: if ( !m ) register_hcf(a);
2575: nd_bound[nd_psn] = ndv_compute_bound(a);
2576: SG(r) = SG(a); ndl_copy(HDL(a),DL(r));
2577: }
2578: if ( nd_demand ) {
2579: if ( aq ) {
2580: ndv_save(nd_ps_trace[nd_psn],nd_psn);
2581: nd_ps_trace[nd_psn] = 0;
2582: } else {
2583: ndv_save(nd_ps[nd_psn],nd_psn);
2584: nd_ps[nd_psn] = 0;
2585: }
2586: }
1.172 noro 2587: if ( nd_gentrace ) {
1.167 noro 2588: /* reverse the tracelist and append it to alltracelist */
2589: nd_tracelist = reverse_node(nd_tracelist); MKLIST(l,nd_tracelist);
2590: STOQ(nd_psn,iq); tn = mknode(2,iq,l); MKLIST(l,tn);
2591: MKNODE(tn,l,nd_alltracelist); nd_alltracelist = tn; nd_tracelist = 0;
2592: }
1.157 noro 2593: return nd_psn++;
1.1 noro 2594: }
2595:
1.167 noro 2596: /* nd_tracelist = [[0,index,div],...,[nd_psn-1,index,div]] */
2597:
1.151 noro 2598: void ndv_setup(int mod,int trace,NODE f,int dont_sort,int dont_removecont)
1.1 noro 2599: {
1.157 noro 2600: int i,j,td,len,max;
1.167 noro 2601: NODE s,s0,f0,tn;
1.157 noro 2602: UINT *d;
2603: RHist r;
1.167 noro 2604: NDVI w;
1.157 noro 2605: NDV a,am;
1.167 noro 2606: union oNDC hc;
2607: NODE node;
2608: P hcp;
2609: Q iq,jq,hcq;
2610: LIST l;
1.157 noro 2611:
2612: nd_found = 0; nd_notfirst = 0; nd_create = 0;
1.167 noro 2613: /* initialize the tracelist */
2614: nd_tracelist = 0;
1.157 noro 2615:
2616: for ( nd_psn = 0, s = f; s; s = NEXT(s) ) if ( BDY(s) ) nd_psn++;
1.167 noro 2617: w = (NDVI)ALLOCA(nd_psn*sizeof(struct oNDVI));
2618: for ( i = j = 0, s = f; s; s = NEXT(s), j++ )
2619: if ( BDY(s) ) { w[i].p = BDY(s); w[i].i = j; i++; }
1.157 noro 2620: if ( !dont_sort ) {
2621: /* XXX heuristic */
2622: if ( !nd_ord->id && (nd_ord->ord.simple<2) )
1.167 noro 2623: qsort(w,nd_psn,sizeof(struct oNDVI),
2624: (int (*)(const void *,const void *))ndvi_compare_rev);
1.157 noro 2625: else
1.167 noro 2626: qsort(w,nd_psn,sizeof(struct oNDVI),
2627: (int (*)(const void *,const void *))ndvi_compare);
1.157 noro 2628: }
2629: nd_pslen = 2*nd_psn;
2630: nd_ps = (NDV *)MALLOC(nd_pslen*sizeof(NDV));
2631: nd_ps_trace = (NDV *)MALLOC(nd_pslen*sizeof(NDV));
2632: nd_psh = (RHist *)MALLOC(nd_pslen*sizeof(RHist));
2633: nd_bound = (UINT **)MALLOC(nd_pslen*sizeof(UINT *));
2634: nd_hcf = 0;
2635:
2636: if ( trace && nd_vc )
2637: makesubst(nd_vc,&nd_subst);
2638: else
2639: nd_subst = 0;
2640:
2641: if ( !nd_red )
2642: nd_red = (RHist *)MALLOC(REDTAB_LEN*sizeof(RHist));
2643: for ( i = 0; i < REDTAB_LEN; i++ ) nd_red[i] = 0;
2644: for ( i = 0; i < nd_psn; i++ ) {
1.167 noro 2645: hc = HCU(w[i].p);
1.157 noro 2646: if ( trace ) {
1.167 noro 2647: a = nd_ps_trace[i] = ndv_dup(0,w[i].p);
1.157 noro 2648: if ( !dont_removecont) ndv_removecont(0,a);
2649: register_hcf(a);
2650: am = nd_ps[i] = ndv_dup(mod,a);
2651: ndv_mod(mod,am);
2652: ndv_removecont(mod,am);
2653: } else {
1.167 noro 2654: a = nd_ps[i] = ndv_dup(mod,w[i].p);
1.157 noro 2655: if ( mod || !dont_removecont ) ndv_removecont(mod,a);
2656: if ( !mod ) register_hcf(a);
2657: }
1.172 noro 2658: if ( nd_gentrace ) {
1.167 noro 2659: STOQ(i,iq); STOQ(w[i].i,jq); node = mknode(3,iq,jq,ONE);
1.168 noro 2660: if ( !dont_removecont )
2661: ARG2(node) = (pointer)ndc_div(trace?0:mod,hc,HCU(a));
1.167 noro 2662: MKLIST(l,node); NEXTNODE(nd_tracelist,tn); BDY(tn) = l;
2663: }
1.157 noro 2664: NEWRHist(r); SG(r) = HTD(a); ndl_copy(HDL(a),DL(r));
2665: nd_bound[i] = ndv_compute_bound(a);
2666: nd_psh[i] = r;
2667: if ( nd_demand ) {
2668: if ( trace ) {
2669: ndv_save(nd_ps_trace[i],i);
2670: nd_ps_trace[i] = 0;
2671: } else {
2672: ndv_save(nd_ps[i],i);
2673: nd_ps[i] = 0;
2674: }
2675: }
2676: }
1.172 noro 2677: if ( nd_gentrace && nd_tracelist ) NEXT(tn) = 0;
1.20 noro 2678: }
2679:
1.119 noro 2680: struct order_spec *append_block(struct order_spec *spec,
2681: int nv,int nalg,int ord);
2682:
1.121 noro 2683: extern VECT current_dl_weight_vector_obj;
2684: static VECT prev_weight_vector_obj;
2685:
1.120 noro 2686: void preprocess_algcoef(VL vv,VL av,struct order_spec *ord,LIST f,
1.157 noro 2687: struct order_spec **ord1p,LIST *f1p,NODE *alistp)
1.120 noro 2688: {
1.157 noro 2689: NODE alist,t,s,r0,r,arg;
2690: VL tv;
2691: P poly;
2692: DP d;
2693: Alg alpha,dp;
2694: DAlg inv,da,hc;
2695: MP m;
2696: int i,nvar,nalg,n;
2697: NumberField nf;
2698: LIST f1,f2;
2699: struct order_spec *current_spec;
2700: VECT obj,obj0;
2701: Obj tmp;
2702:
2703: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++);
2704: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++);
2705:
2706: for ( alist = 0, tv = av; tv; tv = NEXT(tv) ) {
2707: NEXTNODE(alist,t); MKV(tv->v,poly);
2708: MKAlg(poly,alpha); BDY(t) = (pointer)alpha;
2709: tv->v = tv->v->priv;
2710: }
2711: NEXT(t) = 0;
2712:
1.167 noro 2713: /* simplification, making polynomials monic */
1.157 noro 2714: setfield_dalg(alist);
2715: obj_algtodalg(f,&f1);
2716: for ( t = BDY(f); t; t = NEXT(t) ) {
2717: initd(ord); ptod(vv,vv,(P)BDY(t),&d);
2718: hc = (DAlg)BDY(d)->c;
2719: if ( NID(hc) == N_DA ) {
2720: invdalg(hc,&inv);
2721: for ( m = BDY(d); m; m = NEXT(m) ) {
2722: muldalg(inv,(DAlg)m->c,&da); m->c = (P)da;
2723: }
2724: }
2725: initd(ord); dtop(vv,vv,d,&poly); BDY(f) = (pointer)poly;
2726: }
2727: obj_dalgtoalg(f1,&f);
2728:
2729: /* append alg vars to the var list */
2730: for ( tv = vv; NEXT(tv); tv = NEXT(tv) );
2731: NEXT(tv) = av;
2732:
2733: /* append a block to ord */
2734: *ord1p = append_block(ord,nvar,nalg,2);
2735:
2736: /* create generator list */
2737: nf = get_numberfield();
2738: for ( i = nalg-1, t = BDY(f); i >= 0; i-- ) {
2739: MKAlg(nf->defpoly[i],dp);
2740: MKNODE(s,dp,t); t = s;
2741: }
2742: MKLIST(f1,t);
2743: *alistp = alist;
2744: algobjtorat(f1,f1p);
2745:
2746: /* creating a new weight vector */
2747: prev_weight_vector_obj = obj0 = current_dl_weight_vector_obj;
2748: n = nvar+nalg+1;
2749: MKVECT(obj,n);
2750: if ( obj0 && obj0->len == nvar )
2751: for ( i = 0; i < nvar; i++ ) BDY(obj)[i] = BDY(obj0)[i];
2752: else
2753: for ( i = 0; i < nvar; i++ ) BDY(obj)[i] = (pointer)ONE;
2754: for ( i = 0; i < nalg; i++ ) BDY(obj)[i+nvar] = 0;
2755: BDY(obj)[n-1] = (pointer)ONE;
2756: arg = mknode(1,obj);
2757: Pdp_set_weight(arg,&tmp);
1.121 noro 2758: }
2759:
2760: NODE postprocess_algcoef(VL av,NODE alist,NODE r)
2761: {
1.157 noro 2762: NODE s,t,u0,u;
2763: P p;
2764: VL tv;
2765: Obj obj,tmp;
2766: NODE arg;
2767:
2768: u0 = 0;
2769: for ( t = r; t; t = NEXT(t) ) {
2770: p = (P)BDY(t);
2771: for ( tv = av, s = alist; tv; tv = NEXT(tv), s = NEXT(s) ) {
2772: substr(CO,0,(Obj)p,tv->v,(Obj)BDY(s),&obj); p = (P)obj;
2773: }
2774: if ( OID(p) == O_P || (OID(p) == O_N && NID((Num)p) != N_A) ) {
2775: NEXTNODE(u0,u);
2776: BDY(u) = (pointer)p;
2777: }
2778: }
2779: arg = mknode(1,prev_weight_vector_obj);
2780: Pdp_set_weight(arg,&tmp);
1.121 noro 2781:
1.157 noro 2782: return u0;
1.120 noro 2783: }
2784:
1.63 noro 2785: void nd_gr(LIST f,LIST v,int m,int f4,struct order_spec *ord,LIST *rp)
1.1 noro 2786: {
1.157 noro 2787: VL tv,fv,vv,vc,av;
2788: NODE fd,fd0,r,r0,t,x,s,xx,alist;
2789: int e,max,nvar,i;
2790: NDV b;
2791: int ishomo,nalg,mrank,trank;
2792: Alg alpha,dp;
2793: P p,zp;
2794: Q dmy;
2795: LIST f1,f2,zpl;
2796: Obj obj;
2797: NumberField nf;
2798: struct order_spec *ord1;
1.170 noro 2799: NODE tr,tl1,tl2,tl3,tl4;
2800: LIST l1,l2,l3,l4,l5;
1.167 noro 2801: int j;
2802: Q jq;
2803: int *perm;
1.170 noro 2804: EPOS oepos;
2805: int obpe,oadv,ompos;
1.1 noro 2806:
1.174 noro 2807: nd_module = 0;
1.157 noro 2808: if ( !m && Demand ) nd_demand = 1;
2809: else nd_demand = 0;
1.172 noro 2810: parse_nd_option(current_option);
1.78 noro 2811:
1.157 noro 2812: if ( DP_Multiple )
2813: nd_scale = ((double)DP_Multiple)/(double)(Denominator?Denominator:1);
1.103 noro 2814: #if 0
1.157 noro 2815: ndv_alloc = 0;
1.103 noro 2816: #endif
1.157 noro 2817: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
2818: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
2819: switch ( ord->id ) {
2820: case 1:
2821: if ( ord->nv != nvar )
2822: error("nd_{gr,f4} : invalid order specification");
2823: break;
2824: default:
2825: break;
2826: }
2827: nd_nalg = 0;
2828: av = 0;
2829: if ( !m ) {
2830: get_algtree((Obj)f,&av);
2831: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
2832: nd_ntrans = nvar;
2833: nd_nalg = nalg;
2834: /* #i -> t#i */
2835: if ( nalg ) {
2836: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
2837: ord = ord1;
2838: f = f1;
2839: }
2840: nvar += nalg;
2841: }
2842: nd_init_ord(ord);
2843: mrank = 0;
2844: for ( t = BDY(f), max = 0; t; t = NEXT(t) )
2845: for ( tv = vv; tv; tv = NEXT(tv) ) {
2846: if ( nd_module ) {
2847: s = BDY((LIST)BDY(t));
2848: trank = length(s);
2849: mrank = MAX(mrank,trank);
2850: for ( ; s; s = NEXT(s) ) {
2851: e = getdeg(tv->v,(P)BDY(s));
2852: max = MAX(e,max);
2853: }
2854: } else {
2855: e = getdeg(tv->v,(P)BDY(t));
2856: max = MAX(e,max);
2857: }
2858: }
2859: nd_setup_parameters(nvar,max);
1.170 noro 2860: obpe = nd_bpe; oadv = nmv_adv; oepos = nd_epos; ompos = nd_mpos;
1.157 noro 2861: ishomo = 1;
2862: for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
1.167 noro 2863: if ( nd_module ) {
1.172 noro 2864: if ( !m && !nd_gentrace ) pltozpl((LIST)BDY(t),&dmy,&zpl);
1.167 noro 2865: else zpl = (LIST)BDY(t);
1.157 noro 2866: b = (pointer)pltondv(CO,vv,zpl);
2867: } else {
1.172 noro 2868: if ( !m && !nd_gentrace ) ptozp((P)BDY(t),1,&dmy,&zp);
1.167 noro 2869: else zp = (P)BDY(t);
1.157 noro 2870: b = (pointer)ptondv(CO,vv,zp);
1.167 noro 2871: }
1.157 noro 2872: if ( ishomo )
2873: ishomo = ishomo && ndv_ishomo(b);
2874: if ( m ) ndv_mod(m,b);
2875: if ( b ) { NEXTNODE(fd0,fd); BDY(fd) = (pointer)b; }
2876: }
2877: if ( fd0 ) NEXT(fd) = 0;
2878: ndv_setup(m,0,fd0,0,0);
1.172 noro 2879: if ( nd_gentrace ) {
1.167 noro 2880: MKLIST(l1,nd_tracelist); MKNODE(nd_alltracelist,l1,0);
2881: }
1.168 noro 2882: x = f4?nd_f4(m,&perm):nd_gb(m,ishomo,0,0,&perm);
1.157 noro 2883: nd_demand = 0;
1.167 noro 2884: x = ndv_reducebase(x,perm);
1.172 noro 2885: if ( nd_gentrace ) { tl1 = nd_alltracelist; nd_alltracelist = 0; }
1.157 noro 2886: x = ndv_reduceall(m,x);
1.172 noro 2887: if ( nd_gentrace ) {
1.170 noro 2888: tl2 = nd_alltracelist; nd_alltracelist = 0;
2889: ndv_check_membership(m,fd0,obpe,oadv,oepos,x);
1.172 noro 2890: if ( nd_gentrace ) {
1.170 noro 2891: tl3 = nd_alltracelist; nd_alltracelist = 0;
2892: } else tl3 = 0;
1.172 noro 2893: nd_gb(m,0,1,nd_gensyz?1:0,0)!=0;
2894: if ( nd_gentrace && nd_gensyz ) {
1.170 noro 2895: tl4 = nd_alltracelist; nd_alltracelist = 0;
2896: } else tl4 = 0;
2897: }
1.157 noro 2898: for ( r0 = 0, t = x; t; t = NEXT(t) ) {
2899: NEXTNODE(r0,r);
1.167 noro 2900: if ( nd_module ) BDY(r) = ndvtopl(m,CO,vv,BDY(t),mrank);
1.157 noro 2901: else BDY(r) = ndvtop(m,CO,vv,BDY(t));
2902: }
2903: if ( r0 ) NEXT(r) = 0;
2904: if ( nalg )
2905: r0 = postprocess_algcoef(av,alist,r0);
2906: MKLIST(*rp,r0);
1.172 noro 2907: if ( nd_gentrace ) {
1.167 noro 2908: tl1 = reverse_node(tl1); tl2 = reverse_node(tl2);
1.170 noro 2909: tl3 = reverse_node(tl3);
1.167 noro 2910: /* tl2 = [[i,[[*,j,*,*],...]],...] */
2911: for ( t = tl2; t; t = NEXT(t) ) {
2912: /* s = [i,[*,j,*,*],...] */
2913: s = BDY((LIST)BDY(t));
2914: j = perm[QTOS((Q)ARG0(s))]; STOQ(j,jq); ARG0(s) = (pointer)jq;
2915: for ( s = BDY((LIST)ARG1(s)); s; s = NEXT(s) ) {
2916: j = perm[QTOS((Q)ARG1(BDY((LIST)BDY(s))))]; STOQ(j,jq);
2917: ARG1(BDY((LIST)BDY(s))) = (pointer)jq;
2918: }
2919: }
2920: for ( j = length(x)-1, t = 0; j >= 0; j-- ) {
2921: STOQ(perm[j],jq); MKNODE(s,jq,t); t = s;
2922: }
1.170 noro 2923: MKLIST(l1,tl1); MKLIST(l2,tl2); MKLIST(l3,t); MKLIST(l4,tl3);
2924: MKLIST(l5,tl4);
2925: tr = mknode(7,*rp,0,l1,l2,l3,l4,l5); MKLIST(*rp,tr);
1.167 noro 2926: }
1.103 noro 2927: #if 0
1.157 noro 2928: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
1.103 noro 2929: #endif
1.127 noro 2930: }
2931:
2932: void nd_gr_postproc(LIST f,LIST v,int m,struct order_spec *ord,int do_check,LIST *rp)
2933: {
1.157 noro 2934: VL tv,fv,vv,vc,av;
2935: NODE fd,fd0,r,r0,t,x,s,xx,alist;
2936: int e,max,nvar,i;
2937: NDV b;
2938: int ishomo,nalg;
2939: Alg alpha,dp;
2940: P p,zp;
2941: Q dmy;
2942: LIST f1,f2;
2943: Obj obj;
2944: NumberField nf;
2945: struct order_spec *ord1;
1.167 noro 2946: int *perm;
1.157 noro 2947:
2948: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
2949: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
2950: switch ( ord->id ) {
2951: case 1:
2952: if ( ord->nv != nvar )
2953: error("nd_check : invalid order specification");
2954: break;
2955: default:
2956: break;
2957: }
2958: nd_nalg = 0;
2959: av = 0;
2960: if ( !m ) {
2961: get_algtree((Obj)f,&av);
2962: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
2963: nd_ntrans = nvar;
2964: nd_nalg = nalg;
2965: /* #i -> t#i */
2966: if ( nalg ) {
2967: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
2968: ord = ord1;
2969: f = f1;
2970: }
2971: nvar += nalg;
2972: }
2973: nd_init_ord(ord);
2974: for ( t = BDY(f), max = 0; t; t = NEXT(t) )
2975: for ( tv = vv; tv; tv = NEXT(tv) ) {
2976: e = getdeg(tv->v,(P)BDY(t));
2977: max = MAX(e,max);
2978: }
2979: nd_setup_parameters(nvar,max);
2980: ishomo = 1;
2981: for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
2982: ptozp((P)BDY(t),1,&dmy,&zp);
2983: b = (pointer)ptondv(CO,vv,zp);
2984: if ( ishomo )
2985: ishomo = ishomo && ndv_ishomo(b);
2986: if ( m ) ndv_mod(m,b);
2987: if ( b ) { NEXTNODE(fd0,fd); BDY(fd) = (pointer)b; }
2988: }
2989: if ( fd0 ) NEXT(fd) = 0;
2990: ndv_setup(m,0,fd0,0,1);
2991: for ( x = 0, i = 0; i < nd_psn; i++ )
2992: x = update_base(x,i);
2993: if ( do_check ) {
1.168 noro 2994: x = nd_gb(m,ishomo,1,0,&perm);
1.157 noro 2995: if ( !x ) {
2996: *rp = 0;
2997: return;
2998: }
2999: } else {
1.175 noro 3000: #if 0
3001: /* bug ? */
1.157 noro 3002: for ( t = x; t; t = NEXT(t) )
1.159 noro 3003: BDY(t) = (pointer)nd_ps[(long)BDY(t)];
1.175 noro 3004: #else
3005: conv_ilist(0,0,x,&perm);
3006: #endif
1.157 noro 3007: }
1.167 noro 3008: x = ndv_reducebase(x,perm);
1.157 noro 3009: x = ndv_reduceall(m,x);
3010: for ( r0 = 0, t = x; t; t = NEXT(t) ) {
3011: NEXTNODE(r0,r);
3012: BDY(r) = ndvtop(m,CO,vv,BDY(t));
3013: }
3014: if ( r0 ) NEXT(r) = 0;
3015: if ( nalg )
3016: r0 = postprocess_algcoef(av,alist,r0);
3017: MKLIST(*rp,r0);
1.20 noro 3018: }
3019:
1.133 noro 3020: void nd_gr_trace(LIST f,LIST v,int trace,int homo,int f4,struct order_spec *ord,LIST *rp)
1.20 noro 3021: {
1.157 noro 3022: VL tv,fv,vv,vc,av;
3023: NODE fd,fd0,in0,in,r,r0,t,s,cand,alist;
3024: int m,nocheck,nvar,mindex,e,max;
3025: NDV c;
3026: NMV a;
3027: P p,zp;
3028: Q dmy;
3029: EPOS oepos;
1.164 noro 3030: int obpe,oadv,wmax,i,len,cbpe,ishomo,nalg,mrank,trank,ompos;
1.157 noro 3031: Alg alpha,dp;
3032: P poly;
1.158 noro 3033: LIST f1,f2,zpl;
1.157 noro 3034: Obj obj;
3035: NumberField nf;
3036: struct order_spec *ord1;
3037: struct oEGT eg_check,eg0,eg1;
1.168 noro 3038: NODE tr,tl1,tl2,tl3,tl4;
3039: LIST l1,l2,l3,l4,l5;
1.167 noro 3040: int *perm;
1.168 noro 3041: int j,ret;
1.167 noro 3042: Q jq;
1.157 noro 3043:
1.167 noro 3044: nd_module = 0;
1.172 noro 3045: parse_nd_option(current_option);
1.157 noro 3046: if ( DP_Multiple )
3047: nd_scale = ((double)DP_Multiple)/(double)(Denominator?Denominator:1);
3048:
3049: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
3050: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
3051: switch ( ord->id ) {
3052: case 1:
3053: if ( ord->nv != nvar )
3054: error("nd_gr_trace : invalid order specification");
3055: break;
3056: default:
3057: break;
3058: }
3059:
3060: get_algtree((Obj)f,&av);
3061: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
3062: nd_ntrans = nvar;
3063: nd_nalg = nalg;
3064: /* #i -> t#i */
3065: if ( nalg ) {
3066: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
3067: ord = ord1;
3068: f = f1;
3069: }
3070: nvar += nalg;
3071:
3072: nocheck = 0;
3073: mindex = 0;
3074:
3075: if ( Demand ) nd_demand = 1;
3076: else nd_demand = 0;
3077:
3078: /* setup modulus */
3079: if ( trace < 0 ) {
3080: trace = -trace;
3081: nocheck = 1;
3082: }
3083: m = trace > 1 ? trace : get_lprime(mindex);
1.158 noro 3084: nd_init_ord(ord);
3085: mrank = 0;
1.157 noro 3086: for ( t = BDY(f), max = 0; t; t = NEXT(t) )
3087: for ( tv = vv; tv; tv = NEXT(tv) ) {
1.158 noro 3088: if ( nd_module ) {
3089: s = BDY((LIST)BDY(t));
3090: trank = length(s);
3091: mrank = MAX(mrank,trank);
3092: for ( ; s; s = NEXT(s) ) {
3093: e = getdeg(tv->v,(P)BDY(s));
3094: max = MAX(e,max);
3095: }
3096: } else {
3097: e = getdeg(tv->v,(P)BDY(t));
3098: max = MAX(e,max);
3099: }
1.157 noro 3100: }
3101: nd_setup_parameters(nvar,max);
1.164 noro 3102: obpe = nd_bpe; oadv = nmv_adv; oepos = nd_epos; ompos = nd_mpos;
1.157 noro 3103: ishomo = 1;
3104: for ( in0 = 0, fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
1.167 noro 3105: if ( nd_module ) {
1.172 noro 3106: if ( !nd_gentrace ) pltozpl((LIST)BDY(t),&dmy,&zpl);
1.167 noro 3107: else zpl = (LIST)BDY(t);
1.158 noro 3108: c = (pointer)pltondv(CO,vv,zpl);
3109: } else {
1.172 noro 3110: if ( !nd_gentrace ) ptozp((P)BDY(t),1,&dmy,&zp);
1.167 noro 3111: else zp = (P)BDY(t);
1.158 noro 3112: c = (pointer)ptondv(CO,vv,zp);
1.167 noro 3113: }
1.157 noro 3114: if ( ishomo )
3115: ishomo = ishomo && ndv_ishomo(c);
3116: if ( c ) {
3117: NEXTNODE(in0,in); BDY(in) = (pointer)c;
3118: NEXTNODE(fd0,fd); BDY(fd) = (pointer)ndv_dup(0,c);
3119: }
3120: }
3121: if ( in0 ) NEXT(in) = 0;
3122: if ( fd0 ) NEXT(fd) = 0;
3123: if ( !ishomo && homo ) {
3124: for ( t = in0, wmax = max; t; t = NEXT(t) ) {
3125: c = (NDV)BDY(t); len = LEN(c);
3126: for ( a = BDY(c), i = 0; i < len; i++, NMV_ADV(a) )
3127: wmax = MAX(TD(DL(a)),wmax);
3128: }
3129: homogenize_order(ord,nvar,&ord1);
3130: nd_init_ord(ord1);
3131: nd_setup_parameters(nvar+1,wmax);
3132: for ( t = fd0; t; t = NEXT(t) )
1.164 noro 3133: ndv_homogenize((NDV)BDY(t),obpe,oadv,oepos,ompos);
1.157 noro 3134: }
3135: while ( 1 ) {
3136: if ( Demand )
3137: nd_demand = 1;
3138: ndv_setup(m,1,fd0,0,0);
1.172 noro 3139: if ( nd_gentrace ) {
1.167 noro 3140: MKLIST(l1,nd_tracelist); MKNODE(nd_alltracelist,l1,0);
3141: }
3142: cand = f4?nd_f4_trace(m,&perm):nd_gb_trace(m,ishomo || homo,&perm);
1.157 noro 3143: if ( !cand ) {
3144: /* failure */
3145: if ( trace > 1 ) { *rp = 0; return; }
3146: else m = get_lprime(++mindex);
3147: continue;
3148: }
3149: if ( !ishomo && homo ) {
3150: /* dehomogenization */
3151: for ( t = cand; t; t = NEXT(t) ) ndv_dehomogenize((NDV)BDY(t),ord);
3152: nd_init_ord(ord);
3153: nd_setup_parameters(nvar,0);
3154: }
3155: nd_demand = 0;
1.167 noro 3156: cand = ndv_reducebase(cand,perm);
1.172 noro 3157: if ( nd_gentrace ) { tl1 = nd_alltracelist; nd_alltracelist = 0; }
1.157 noro 3158: cand = ndv_reduceall(0,cand);
3159: cbpe = nd_bpe;
1.172 noro 3160: if ( nd_gentrace ) { tl2 = nd_alltracelist; nd_alltracelist = 0; }
1.173 noro 3161: get_eg(&eg0);
1.157 noro 3162: if ( nocheck )
3163: break;
1.170 noro 3164: if ( ret = ndv_check_membership(0,in0,obpe,oadv,oepos,cand) ) {
1.172 noro 3165: if ( nd_gentrace ) {
1.168 noro 3166: tl3 = nd_alltracelist; nd_alltracelist = 0;
3167: } else tl3 = 0;
3168: /* gbcheck : cand is a GB of Id(cand) ? */
1.172 noro 3169: ret = nd_gb(0,0,1,nd_gensyz?1:0,0)!=0;
3170: if ( nd_gentrace && nd_gensyz ) {
1.168 noro 3171: tl4 = nd_alltracelist; nd_alltracelist = 0;
3172: } else tl4 = 0;
3173: }
3174: if ( ret ) break;
1.157 noro 3175: else if ( trace > 1 ) {
3176: /* failure */
3177: *rp = 0; return;
3178: } else {
3179: /* try the next modulus */
3180: m = get_lprime(++mindex);
3181: /* reset the parameters */
3182: if ( !ishomo && homo ) {
3183: nd_init_ord(ord1);
3184: nd_setup_parameters(nvar+1,wmax);
3185: } else {
3186: nd_init_ord(ord);
3187: nd_setup_parameters(nvar,max);
3188: }
3189: }
3190: }
3191: get_eg(&eg1); init_eg(&eg_check); add_eg(&eg_check,&eg0,&eg1);
3192: if ( DP_Print )
3193: fprintf(asir_out,"check=%fsec\n",eg_check.exectime+eg_check.gctime);
3194: /* dp->p */
3195: nd_bpe = cbpe;
3196: nd_setup_parameters(nd_nvar,0);
1.158 noro 3197: for ( r = cand; r; r = NEXT(r) ) {
1.167 noro 3198: if ( nd_module ) BDY(r) = ndvtopl(0,CO,vv,BDY(r),mrank);
1.158 noro 3199: else BDY(r) = (pointer)ndvtop(0,CO,vv,BDY(r));
3200: }
1.157 noro 3201: if ( nalg )
3202: cand = postprocess_algcoef(av,alist,cand);
3203: MKLIST(*rp,cand);
1.172 noro 3204: if ( nd_gentrace ) {
1.167 noro 3205: tl1 = reverse_node(tl1); tl2 = reverse_node(tl2);
1.168 noro 3206: tl3 = reverse_node(tl3);
1.167 noro 3207: /* tl2 = [[i,[[*,j,*,*],...]],...] */
3208: for ( t = tl2; t; t = NEXT(t) ) {
3209: /* s = [i,[*,j,*,*],...] */
3210: s = BDY((LIST)BDY(t));
3211: j = perm[QTOS((Q)ARG0(s))]; STOQ(j,jq); ARG0(s) = (pointer)jq;
3212: for ( s = BDY((LIST)ARG1(s)); s; s = NEXT(s) ) {
3213: j = perm[QTOS((Q)ARG1(BDY((LIST)BDY(s))))]; STOQ(j,jq);
3214: ARG1(BDY((LIST)BDY(s))) = (pointer)jq;
3215: }
3216: }
3217: for ( j = length(cand)-1, t = 0; j >= 0; j-- ) {
3218: STOQ(perm[j],jq); MKNODE(s,jq,t); t = s;
3219: }
1.168 noro 3220: MKLIST(l1,tl1); MKLIST(l2,tl2); MKLIST(l3,t); MKLIST(l4,tl3);
3221: MKLIST(l5,tl4);
1.169 noro 3222: tr = mknode(7,*rp,(!ishomo&&homo)?ONE:0,l1,l2,l3,l4,l5); MKLIST(*rp,tr);
1.167 noro 3223: }
1.157 noro 3224: }
1.52 noro 3225:
1.157 noro 3226: /* XXX : module element is not considered */
1.1 noro 3227:
1.61 noro 3228: void dltondl(int n,DL dl,UINT *r)
1.1 noro 3229: {
1.157 noro 3230: UINT *d;
3231: int i,j,l,s,ord_l;
3232: struct order_pair *op;
3233:
3234: d = dl->d;
3235: for ( i = 0; i < nd_wpd; i++ ) r[i] = 0;
3236: if ( nd_blockmask ) {
3237: l = nd_blockmask->n;
3238: op = nd_blockmask->order_pair;
3239: for ( j = 0, s = 0; j < l; j++ ) {
3240: ord_l = op[j].length;
3241: for ( i = 0; i < ord_l; i++, s++ ) PUT_EXP(r,s,d[s]);
3242: }
3243: TD(r) = ndl_weight(r);
3244: ndl_weight_mask(r);
3245: } else {
3246: for ( i = 0; i < n; i++ ) PUT_EXP(r,i,d[i]);
3247: TD(r) = ndl_weight(r);
3248: }
1.1 noro 3249: }
3250:
1.61 noro 3251: DL ndltodl(int n,UINT *ndl)
1.1 noro 3252: {
1.157 noro 3253: DL dl;
3254: int *d;
3255: int i,j,l,s,ord_l;
3256: struct order_pair *op;
3257:
3258: NEWDL(dl,n);
3259: dl->td = TD(ndl);
3260: d = dl->d;
3261: if ( nd_blockmask ) {
3262: l = nd_blockmask->n;
3263: op = nd_blockmask->order_pair;
3264: for ( j = 0, s = 0; j < l; j++ ) {
3265: ord_l = op[j].length;
3266: for ( i = 0; i < ord_l; i++, s++ ) d[s] = GET_EXP(ndl,s);
3267: }
3268: } else {
3269: for ( i = 0; i < n; i++ ) d[i] = GET_EXP(ndl,i);
3270: }
3271: return dl;
1.1 noro 3272: }
3273:
1.167 noro 3274: void nmtodp(int mod,NM m,DP *r)
3275: {
3276: DP dp;
3277: MP mr;
3278:
3279: NEWMP(mr);
3280: mr->dl = ndltodl(nd_nvar,DL(m));
3281: mr->c = ndctop(mod,m->c);
3282: NEXT(mr) = 0; MKDP(nd_nvar,mr,dp); dp->sugar = mr->dl->td;
3283: *r = dp;
3284: }
3285:
1.61 noro 3286: void ndl_print(UINT *dl)
1.1 noro 3287: {
1.157 noro 3288: int n;
3289: int i,j,l,ord_l,s,s0;
3290: struct order_pair *op;
3291:
3292: n = nd_nvar;
3293: printf("<<");
3294: if ( nd_blockmask ) {
3295: l = nd_blockmask->n;
3296: op = nd_blockmask->order_pair;
3297: for ( j = 0, s = s0 = 0; j < l; j++ ) {
3298: ord_l = op[j].length;
3299: for ( i = 0; i < ord_l; i++, s++ )
3300: printf(s==n-1?"%d":"%d,",GET_EXP(dl,s));
3301: }
3302: } else {
3303: for ( i = 0; i < n; i++ ) printf(i==n-1?"%d":"%d,",GET_EXP(dl,i));
3304: }
3305: printf(">>");
3306: if ( MPOS(dl) )
3307: printf("*e%d",MPOS(dl));
1.1 noro 3308: }
3309:
3310: void nd_print(ND p)
3311: {
1.157 noro 3312: NM m;
1.1 noro 3313:
1.157 noro 3314: if ( !p )
3315: printf("0\n");
3316: else {
3317: for ( m = BDY(p); m; m = NEXT(m) ) {
3318: if ( CM(m) & 0x80000000 ) printf("+@_%d*",IFTOF(CM(m)));
3319: else printf("+%d*",CM(m));
3320: ndl_print(DL(m));
3321: }
3322: printf("\n");
3323: }
1.1 noro 3324: }
3325:
1.113 noro 3326: void nd_print_q(ND p)
1.16 noro 3327: {
1.157 noro 3328: NM m;
1.16 noro 3329:
1.157 noro 3330: if ( !p )
3331: printf("0\n");
3332: else {
3333: for ( m = BDY(p); m; m = NEXT(m) ) {
3334: printf("+");
3335: printexpr(CO,(Obj)CQ(m));
3336: printf("*");
3337: ndl_print(DL(m));
3338: }
3339: printf("\n");
3340: }
1.16 noro 3341: }
3342:
1.1 noro 3343: void ndp_print(ND_pairs d)
3344: {
1.157 noro 3345: ND_pairs t;
1.1 noro 3346:
1.157 noro 3347: for ( t = d; t; t = NEXT(t) ) printf("%d,%d ",t->i1,t->i2);
3348: printf("\n");
1.1 noro 3349: }
3350:
1.20 noro 3351: void nd_removecont(int mod,ND p)
1.16 noro 3352: {
1.157 noro 3353: int i,n;
3354: Q *w;
3355: Q dvr,t;
3356: NM m;
3357: struct oVECT v;
3358: N q,r;
3359:
3360: if ( mod == -1 ) nd_mul_c(mod,p,_invsf(HCM(p)));
3361: else if ( mod ) nd_mul_c(mod,p,invm(HCM(p),mod));
3362: else {
3363: for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ );
3364: w = (Q *)ALLOCA(n*sizeof(Q));
3365: v.len = n;
3366: v.body = (pointer *)w;
3367: for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) w[i] = CQ(m);
3368: removecont_array((P *)w,n,1);
3369: for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) CQ(m) = w[i];
3370: }
1.16 noro 3371: }
3372:
1.21 noro 3373: void nd_removecont2(ND p1,ND p2)
3374: {
1.157 noro 3375: int i,n1,n2,n;
3376: Q *w;
3377: Q dvr,t;
3378: NM m;
3379: struct oVECT v;
3380: N q,r;
3381:
3382: n1 = nd_length(p1);
3383: n2 = nd_length(p2);
3384: n = n1+n2;
3385: w = (Q *)ALLOCA(n*sizeof(Q));
3386: v.len = n;
3387: v.body = (pointer *)w;
3388: i = 0;
3389: if ( p1 )
3390: for ( m = BDY(p1); i < n1; m = NEXT(m), i++ ) w[i] = CQ(m);
3391: if ( p2 )
3392: for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) w[i] = CQ(m);
3393: removecont_array((P *)w,n,1);
3394: i = 0;
3395: if ( p1 )
3396: for ( m = BDY(p1); i < n1; m = NEXT(m), i++ ) CQ(m) = w[i];
3397: if ( p2 )
3398: for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) CQ(m) = w[i];
1.21 noro 3399: }
3400:
1.20 noro 3401: void ndv_removecont(int mod,NDV p)
1.16 noro 3402: {
1.157 noro 3403: int i,len,all_p;
3404: Q *c;
3405: P *w;
3406: Q dvr,t;
3407: P g,cont,tp;
3408: NMV m;
3409:
3410: if ( mod == -1 )
3411: ndv_mul_c(mod,p,_invsf(HCM(p)));
3412: else if ( mod )
3413: ndv_mul_c(mod,p,invm(HCM(p),mod));
3414: else {
3415: len = p->len;
3416: w = (P *)ALLOCA(len*sizeof(P));
3417: c = (Q *)ALLOCA(len*sizeof(Q));
3418: for ( m = BDY(p), all_p = 1, i = 0; i < len; NMV_ADV(m), i++ ) {
3419: ptozp(CP(m),1,&c[i],&w[i]);
3420: all_p = all_p && !NUM(w[i]);
3421: }
3422: if ( all_p ) {
3423: qltozl(c,len,&dvr); nd_heu_nezgcdnpz(nd_vc,w,len,1,&g);
3424: mulp(nd_vc,(P)dvr,g,&cont);
3425: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) {
3426: divsp(nd_vc,CP(m),cont,&tp); CP(m) = tp;
3427: }
3428: } else {
3429: sortbynm((Q *)c,len);
3430: qltozl((Q *)c,len,&dvr);
3431: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) {
3432: divsp(nd_vc,CP(m),(P)dvr,&tp); CP(m) = tp;
3433: }
3434: }
3435: }
1.21 noro 3436: }
3437:
1.157 noro 3438: /* koko */
3439:
1.164 noro 3440: void ndv_homogenize(NDV p,int obpe,int oadv,EPOS oepos,int ompos)
1.61 noro 3441: {
1.157 noro 3442: int len,i,max;
3443: NMV m,mr0,mr,t;
1.61 noro 3444:
1.157 noro 3445: len = p->len;
3446: for ( m = BDY(p), i = 0, max = 0; i < len; NMV_OADV(m), i++ )
3447: max = MAX(max,TD(DL(m)));
3448: mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p);
3449: m = (NMV)((char *)mr0+(len-1)*oadv);
3450: mr = (NMV)((char *)mr0+(len-1)*nmv_adv);
3451: t = (NMV)ALLOCA(nmv_adv);
3452: for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {
1.164 noro 3453: ndl_homogenize(DL(m),DL(t),obpe,oepos,ompos,max);
1.157 noro 3454: CQ(mr) = CQ(m);
3455: ndl_copy(DL(t),DL(mr));
3456: }
3457: NV(p)++;
3458: BDY(p) = mr0;
1.61 noro 3459: }
3460:
1.45 noro 3461: void ndv_dehomogenize(NDV p,struct order_spec *ord)
1.23 noro 3462: {
1.164 noro 3463: int i,j,adj,len,newnvar,newwpd,newadv,newexporigin,newmpos;
1.167 noro 3464: int pos;
1.157 noro 3465: Q *w;
3466: Q dvr,t;
3467: NMV m,r;
3468:
3469: len = p->len;
3470: newnvar = nd_nvar-1;
3471: newexporigin = nd_get_exporigin(ord);
1.167 noro 3472: if ( nd_module ) newmpos = newexporigin-1;
1.157 noro 3473: newwpd = newnvar/nd_epw+(newnvar%nd_epw?1:0)+newexporigin;
3474: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ )
3475: ndl_dehomogenize(DL(m));
3476: if ( newwpd != nd_wpd ) {
3477: newadv = ROUND_FOR_ALIGN(sizeof(struct oNMV)+(newwpd-1)*sizeof(UINT));
3478: for ( m = r = BDY(p), i = 0; i < len; NMV_ADV(m), NDV_NADV(r), i++ ) {
3479: CQ(r) = CQ(m);
1.167 noro 3480: if ( nd_module ) pos = MPOS(DL(m));
1.157 noro 3481: for ( j = 0; j < newexporigin; j++ ) DL(r)[j] = DL(m)[j];
3482: adj = nd_exporigin-newexporigin;
3483: for ( ; j < newwpd; j++ ) DL(r)[j] = DL(m)[j+adj];
1.167 noro 3484: if ( nd_module ) {
3485: DL(r)[newmpos] = pos;
3486: }
1.157 noro 3487: }
3488: }
3489: NV(p)--;
1.23 noro 3490: }
3491:
1.150 noro 3492: void nd_heu_nezgcdnpz(VL vl,P *pl,int m,int full,P *pr)
3493: {
1.157 noro 3494: int i;
3495: P *tpl,*tpl1;
3496: NODE l;
3497: P h,gcd,t;
3498:
3499: tpl = (P *)ALLOCA(m*sizeof(P));
3500: tpl1 = (P *)ALLOCA(m*sizeof(P));
3501: bcopy(pl,tpl,m*sizeof(P));
3502: gcd = (P)ONE;
3503: for ( l = nd_hcf; l; l = NEXT(l) ) {
3504: h = (P)BDY(l);
3505: while ( 1 ) {
3506: for ( i = 0; i < m; i++ )
3507: if ( !divtpz(vl,tpl[i],h,&tpl1[i]) )
3508: break;
3509: if ( i == m ) {
3510: bcopy(tpl1,tpl,m*sizeof(P));
3511: mulp(vl,gcd,h,&t); gcd = t;
3512: } else
3513: break;
3514: }
3515: }
3516: if ( DP_Print > 2 ){fprintf(asir_out,"[%d]",nmonop(gcd)); fflush(asir_out);}
3517: if ( full ) {
3518: heu_nezgcdnpz(vl,tpl,m,&t);
3519: mulp(vl,gcd,t,pr);
3520: } else
3521: *pr = gcd;
1.150 noro 3522: }
3523:
3524: void removecont_array(P *p,int n,int full)
1.146 noro 3525: {
1.157 noro 3526: int all_p,all_q,i;
3527: Q *c;
3528: P *w;
3529: P t,s;
3530:
3531: for ( all_q = 1, i = 0; i < n; i++ )
3532: all_q = all_q && NUM(p[i]);
3533: if ( all_q ) {
3534: removecont_array_q((Q *)p,n);
3535: } else {
3536: c = (Q *)ALLOCA(n*sizeof(Q));
3537: w = (P *)ALLOCA(n*sizeof(P));
3538: for ( i = 0; i < n; i++ ) {
3539: ptozp(p[i],1,&c[i],&w[i]);
3540: }
3541: removecont_array_q(c,n);
3542: nd_heu_nezgcdnpz(nd_vc,w,n,full,&t);
3543: for ( i = 0; i < n; i++ ) {
3544: divsp(nd_vc,w[i],t,&s); mulp(nd_vc,s,(P)c[i],&p[i]);
3545: }
3546: }
1.146 noro 3547: }
3548:
3549: void removecont_array_q(Q *c,int n)
1.21 noro 3550: {
1.157 noro 3551: struct oVECT v;
3552: Q d0,d1,a,u,u1,gcd;
3553: int i,j;
3554: N qn,rn,gn;
3555: Q *q,*r;
3556:
3557: q = (Q *)ALLOCA(n*sizeof(Q));
3558: r = (Q *)ALLOCA(n*sizeof(Q));
3559: v.id = O_VECT; v.len = n; v.body = (pointer *)c;
3560: igcdv_estimate(&v,&d0);
3561: for ( i = 0; i < n; i++ ) {
3562: divn(NM(c[i]),NM(d0),&qn,&rn);
3563: NTOQ(qn,SGN(c[i])*SGN(d0),q[i]);
3564: NTOQ(rn,SGN(c[i]),r[i]);
3565: }
3566: for ( i = 0; i < n; i++ ) if ( r[i] ) break;
3567: if ( i < n ) {
3568: v.id = O_VECT; v.len = n; v.body = (pointer *)r;
3569: igcdv(&v,&d1);
3570: gcdn(NM(d0),NM(d1),&gn); NTOQ(gn,1,gcd);
3571: divsn(NM(d0),gn,&qn); NTOQ(qn,1,a);
3572: for ( i = 0; i < n; i++ ) {
3573: mulq(a,q[i],&u);
3574: if ( r[i] ) {
3575: divsn(NM(r[i]),gn,&qn); NTOQ(qn,SGN(r[i]),u1);
3576: addq(u,u1,&q[i]);
3577: } else
3578: q[i] = u;
3579: }
3580: }
3581: for ( i = 0; i < n; i++ ) c[i] = q[i];
1.16 noro 3582: }
3583:
1.19 noro 3584: void nd_mul_c(int mod,ND p,int mul)
1.1 noro 3585: {
1.157 noro 3586: NM m;
3587: int c,c1;
1.1 noro 3588:
1.157 noro 3589: if ( !p ) return;
3590: if ( mul == 1 ) return;
3591: if ( mod == -1 )
3592: for ( m = BDY(p); m; m = NEXT(m) )
3593: CM(m) = _mulsf(CM(m),mul);
3594: else
3595: for ( m = BDY(p); m; m = NEXT(m) ) {
3596: c1 = CM(m); DMAR(c1,mul,0,mod,c); CM(m) = c;
3597: }
1.1 noro 3598: }
3599:
1.146 noro 3600: void nd_mul_c_q(ND p,P mul)
1.16 noro 3601: {
1.157 noro 3602: NM m;
3603: P c;
1.16 noro 3604:
1.157 noro 3605: if ( !p ) return;
3606: if ( UNIQ(mul) ) return;
3607: for ( m = BDY(p); m; m = NEXT(m) ) {
3608: mulp(nd_vc,CP(m),mul,&c); CP(m) = c;
3609: }
1.16 noro 3610: }
3611:
1.61 noro 3612: void nd_mul_c_p(VL vl,ND p,P mul)
3613: {
1.157 noro 3614: NM m;
3615: P c;
1.61 noro 3616:
1.157 noro 3617: if ( !p ) return;
3618: for ( m = BDY(p); m; m = NEXT(m) ) {
3619: mulp(vl,CP(m),mul,&c); CP(m) = c;
3620: }
1.61 noro 3621: }
3622:
1.1 noro 3623: void nd_free(ND p)
3624: {
1.157 noro 3625: NM t,s;
1.1 noro 3626:
1.157 noro 3627: if ( !p ) return;
3628: t = BDY(p);
3629: while ( t ) {
3630: s = NEXT(t);
3631: FREENM(t);
3632: t = s;
3633: }
3634: FREEND(p);
1.1 noro 3635: }
3636:
1.23 noro 3637: void ndv_free(NDV p)
3638: {
1.157 noro 3639: GC_free(BDY(p));
1.23 noro 3640: }
3641:
1.61 noro 3642: void nd_append_red(UINT *d,int i)
1.1 noro 3643: {
1.157 noro 3644: RHist m,m0;
3645: int h;
1.1 noro 3646:
1.157 noro 3647: NEWRHist(m);
3648: h = ndl_hash_value(d);
3649: m->index = i;
3650: ndl_copy(d,DL(m));
3651: NEXT(m) = nd_red[h];
3652: nd_red[h] = m;
1.1 noro 3653: }
3654:
1.61 noro 3655: UINT *ndv_compute_bound(NDV p)
1.1 noro 3656: {
1.157 noro 3657: UINT *d1,*d2,*t;
3658: UINT u;
3659: int i,j,k,l,len,ind;
3660: NMV m;
3661:
3662: if ( !p )
3663: return 0;
3664: d1 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3665: d2 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3666: len = LEN(p);
3667: m = BDY(p); ndl_copy(DL(m),d1); NMV_ADV(m);
3668: for ( i = 1; i < len; i++, NMV_ADV(m) ) {
1.159 noro 3669: ndl_max(DL(m),d1,d2);
1.157 noro 3670: t = d1; d1 = d2; d2 = t;
3671: }
3672: l = nd_nvar+31;
3673: t = (UINT *)MALLOC_ATOMIC(l*sizeof(UINT));
3674: for ( i = nd_exporigin, ind = 0; i < nd_wpd; i++ ) {
3675: u = d1[i];
3676: k = (nd_epw-1)*nd_bpe;
3677: for ( j = 0; j < nd_epw; j++, k -= nd_bpe, ind++ )
3678: t[ind] = (u>>k)&nd_mask0;
3679: }
3680: for ( ; ind < l; ind++ ) t[ind] = 0;
3681: return t;
1.1 noro 3682: }
3683:
1.99 noro 3684: UINT *nd_compute_bound(ND p)
3685: {
1.157 noro 3686: UINT *d1,*d2,*t;
3687: UINT u;
3688: int i,j,k,l,len,ind;
3689: NM m;
3690:
3691: if ( !p )
3692: return 0;
3693: d1 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3694: d2 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3695: len = LEN(p);
3696: m = BDY(p); ndl_copy(DL(m),d1); m = NEXT(m);
3697: for ( m = NEXT(m); m; m = NEXT(m) ) {
3698: ndl_lcm(DL(m),d1,d2);
3699: t = d1; d1 = d2; d2 = t;
3700: }
3701: l = nd_nvar+31;
3702: t = (UINT *)MALLOC_ATOMIC(l*sizeof(UINT));
3703: for ( i = nd_exporigin, ind = 0; i < nd_wpd; i++ ) {
3704: u = d1[i];
3705: k = (nd_epw-1)*nd_bpe;
3706: for ( j = 0; j < nd_epw; j++, k -= nd_bpe, ind++ )
3707: t[ind] = (u>>k)&nd_mask0;
3708: }
3709: for ( ; ind < l; ind++ ) t[ind] = 0;
3710: return t;
1.99 noro 3711: }
3712:
1.157 noro 3713: /* if nd_module == 1 then d[nd_exporigin-1] indicates the position */
3714: /* of a term. In this case we need additional 1 word. */
3715:
1.48 noro 3716: int nd_get_exporigin(struct order_spec *ord)
3717: {
1.157 noro 3718: switch ( ord->id ) {
3719: case 0: case 2: case 256: case 258:
3720: return 1+nd_module;
3721: case 1: case 257:
3722: /* block order */
3723: /* poly ring d[0]:weight d[1]:w0,...,d[nd_exporigin-1]:w(n-1) */
3724: /* module d[0]:weight d[1]:w0,...,d[nd_exporigin-2]:w(n-1) */
3725: return ord->ord.block.length+1+nd_module;
3726: case 3: case 259:
3727: error("nd_get_exporigin : composite order is not supported yet.");
3728: }
1.48 noro 3729: }
3730:
1.61 noro 3731: void nd_setup_parameters(int nvar,int max) {
1.157 noro 3732: int i,j,n,elen,ord_o,ord_l,l,s,wpd;
3733: struct order_pair *op;
1.48 noro 3734:
1.157 noro 3735: nd_nvar = nvar;
3736: if ( max ) {
3737: /* XXX */
3738: if ( do_weyl ) nd_bpe = 32;
3739: else if ( max < 2 ) nd_bpe = 1;
3740: else if ( max < 4 ) nd_bpe = 2;
3741: else if ( max < 8 ) nd_bpe = 3;
3742: else if ( max < 16 ) nd_bpe = 4;
3743: else if ( max < 32 ) nd_bpe = 5;
3744: else if ( max < 64 ) nd_bpe = 6;
3745: else if ( max < 256 ) nd_bpe = 8;
3746: else if ( max < 1024 ) nd_bpe = 10;
3747: else if ( max < 65536 ) nd_bpe = 16;
3748: else nd_bpe = 32;
3749: }
3750: nd_epw = (sizeof(UINT)*8)/nd_bpe;
3751: elen = nd_nvar/nd_epw+(nd_nvar%nd_epw?1:0);
3752: nd_exporigin = nd_get_exporigin(nd_ord);
3753: wpd = nd_exporigin+elen;
3754: if ( nd_module )
3755: nd_mpos = nd_exporigin-1;
3756: else
3757: nd_mpos = -1;
3758: if ( wpd != nd_wpd ) {
3759: nd_free_private_storage();
3760: nd_wpd = wpd;
3761: }
3762: if ( nd_bpe < 32 ) {
3763: nd_mask0 = (1<<nd_bpe)-1;
3764: } else {
3765: nd_mask0 = 0xffffffff;
3766: }
3767: bzero(nd_mask,sizeof(nd_mask));
3768: nd_mask1 = 0;
3769: for ( i = 0; i < nd_epw; i++ ) {
3770: nd_mask[nd_epw-i-1] = (nd_mask0<<(i*nd_bpe));
3771: nd_mask1 |= (1<<(nd_bpe-1))<<(i*nd_bpe);
3772: }
3773: nmv_adv = ROUND_FOR_ALIGN(sizeof(struct oNMV)+(nd_wpd-1)*sizeof(UINT));
3774: nd_epos = nd_create_epos(nd_ord);
3775: nd_blockmask = nd_create_blockmask(nd_ord);
3776: nd_work_vector = (int *)REALLOC(nd_work_vector,nd_nvar*sizeof(int));
1.1 noro 3777: }
3778:
1.103 noro 3779: ND_pairs nd_reconstruct(int trace,ND_pairs d)
1.1 noro 3780: {
1.157 noro 3781: int i,obpe,oadv,h;
3782: static NM prev_nm_free_list;
3783: static ND_pairs prev_ndp_free_list;
3784: RHist mr0,mr;
3785: RHist r;
3786: RHist *old_red;
3787: ND_pairs s0,s,t;
3788: EPOS oepos;
3789:
3790: obpe = nd_bpe;
3791: oadv = nmv_adv;
3792: oepos = nd_epos;
3793: if ( obpe < 2 ) nd_bpe = 2;
3794: else if ( obpe < 3 ) nd_bpe = 3;
3795: else if ( obpe < 4 ) nd_bpe = 4;
3796: else if ( obpe < 5 ) nd_bpe = 5;
3797: else if ( obpe < 6 ) nd_bpe = 6;
3798: else if ( obpe < 8 ) nd_bpe = 8;
3799: else if ( obpe < 10 ) nd_bpe = 10;
3800: else if ( obpe < 16 ) nd_bpe = 16;
3801: else if ( obpe < 32 ) nd_bpe = 32;
3802: else error("nd_reconstruct : exponent too large");
3803:
3804: nd_setup_parameters(nd_nvar,0);
3805: prev_nm_free_list = _nm_free_list;
3806: prev_ndp_free_list = _ndp_free_list;
3807: _nm_free_list = 0;
3808: _ndp_free_list = 0;
3809: for ( i = nd_psn-1; i >= 0; i-- ) ndv_realloc(nd_ps[i],obpe,oadv,oepos);
3810: if ( trace )
3811: for ( i = nd_psn-1; i >= 0; i-- )
3812: ndv_realloc(nd_ps_trace[i],obpe,oadv,oepos);
3813: s0 = 0;
3814: for ( t = d; t; t = NEXT(t) ) {
3815: NEXTND_pairs(s0,s);
3816: s->i1 = t->i1;
3817: s->i2 = t->i2;
3818: SG(s) = SG(t);
3819: ndl_reconstruct(LCM(t),LCM(s),obpe,oepos);
3820: }
3821:
3822: old_red = (RHist *)ALLOCA(REDTAB_LEN*sizeof(RHist));
3823: for ( i = 0; i < REDTAB_LEN; i++ ) {
3824: old_red[i] = nd_red[i];
3825: nd_red[i] = 0;
3826: }
3827: for ( i = 0; i < REDTAB_LEN; i++ )
3828: for ( r = old_red[i]; r; r = NEXT(r) ) {
3829: NEWRHist(mr);
3830: mr->index = r->index;
3831: SG(mr) = SG(r);
3832: ndl_reconstruct(DL(r),DL(mr),obpe,oepos);
3833: h = ndl_hash_value(DL(mr));
3834: NEXT(mr) = nd_red[h];
3835: nd_red[h] = mr;
3836: }
3837: for ( i = 0; i < REDTAB_LEN; i++ ) old_red[i] = 0;
3838: old_red = 0;
3839: for ( i = 0; i < nd_psn; i++ ) {
3840: NEWRHist(r); SG(r) = SG(nd_psh[i]);
3841: ndl_reconstruct(DL(nd_psh[i]),DL(r),obpe,oepos);
3842: nd_psh[i] = r;
3843: }
3844: if ( s0 ) NEXT(s) = 0;
3845: prev_nm_free_list = 0;
3846: prev_ndp_free_list = 0;
1.71 noro 3847: #if 0
1.157 noro 3848: GC_gcollect();
1.71 noro 3849: #endif
1.157 noro 3850: return s0;
1.1 noro 3851: }
3852:
1.61 noro 3853: void ndl_reconstruct(UINT *d,UINT *r,int obpe,EPOS oepos)
1.1 noro 3854: {
1.157 noro 3855: int n,i,ei,oepw,omask0,j,s,ord_l,l;
3856: struct order_pair *op;
1.1 noro 3857:
1.157 noro 3858: n = nd_nvar;
3859: oepw = (sizeof(UINT)*8)/obpe;
3860: omask0 = (1<<obpe)-1;
3861: TD(r) = TD(d);
3862: for ( i = nd_exporigin; i < nd_wpd; i++ ) r[i] = 0;
3863: if ( nd_blockmask ) {
3864: l = nd_blockmask->n;
3865: op = nd_blockmask->order_pair;
3866: for ( i = 1; i < nd_exporigin; i++ )
3867: r[i] = d[i];
3868: for ( j = 0, s = 0; j < l; j++ ) {
3869: ord_l = op[j].length;
3870: for ( i = 0; i < ord_l; i++, s++ ) {
3871: ei = GET_EXP_OLD(d,s);
3872: PUT_EXP(r,s,ei);
3873: }
3874: }
3875: } else {
3876: for ( i = 0; i < n; i++ ) {
3877: ei = GET_EXP_OLD(d,i);
3878: PUT_EXP(r,i,ei);
3879: }
3880: }
3881: if ( nd_module ) MPOS(r) = MPOS(d);
1.1 noro 3882: }
1.3 noro 3883:
1.6 noro 3884: ND nd_copy(ND p)
3885: {
1.157 noro 3886: NM m,mr,mr0;
3887: int c,n;
3888: ND r;
3889:
3890: if ( !p )
3891: return 0;
3892: else {
3893: for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) {
3894: NEXTNM(mr0,mr);
3895: CM(mr) = CM(m);
3896: ndl_copy(DL(m),DL(mr));
3897: }
3898: NEXT(mr) = 0;
3899: MKND(NV(p),mr0,LEN(p),r);
3900: SG(r) = SG(p);
3901: return r;
3902: }
1.6 noro 3903: }
3904:
1.53 noro 3905: int nd_sp(int mod,int trace,ND_pairs p,ND *rp)
1.11 noro 3906: {
1.157 noro 3907: NM m1,m2;
3908: NDV p1,p2;
3909: ND t1,t2;
3910: UINT *lcm;
3911: P gp,tp;
1.167 noro 3912: Q g,t,iq;
1.157 noro 3913: int td;
1.167 noro 3914: LIST hist;
3915: NODE node;
3916: DP d;
1.157 noro 3917:
3918: if ( !mod && nd_demand ) {
3919: p1 = ndv_load(p->i1); p2 = ndv_load(p->i2);
3920: } else {
3921: if ( trace ) {
3922: p1 = nd_ps_trace[p->i1]; p2 = nd_ps_trace[p->i2];
3923: } else {
3924: p1 = nd_ps[p->i1]; p2 = nd_ps[p->i2];
3925: }
3926: }
3927: lcm = LCM(p);
3928: NEWNM(m1); ndl_sub(lcm,HDL(p1),DL(m1));
3929: if ( ndl_check_bound2(p->i1,DL(m1)) ) {
3930: FREENM(m1); return 0;
3931: }
3932: NEWNM(m2); ndl_sub(lcm,HDL(p2),DL(m2));
3933: if ( ndl_check_bound2(p->i2,DL(m2)) ) {
3934: FREENM(m1); FREENM(m2); return 0;
3935: }
3936:
3937: if ( mod == -1 ) {
3938: CM(m1) = HCM(p2); CM(m2) = _chsgnsf(HCM(p1));
3939: } else if ( mod ) {
3940: CM(m1) = HCM(p2); CM(m2) = mod-HCM(p1);
3941: } else if ( nd_vc ) {
3942: ezgcdpz(nd_vc,HCP(p1),HCP(p2),&gp);
3943: divsp(nd_vc,HCP(p2),gp,&CP(m1));
3944: divsp(nd_vc,HCP(p1),gp,&tp); chsgnp(tp,&CP(m2));
3945: } else {
3946: igcd_cofactor(HCQ(p1),HCQ(p2),&g,&t,&CQ(m1)); chsgnq(t,&CQ(m2));
3947: }
3948: t1 = ndv_mul_nm(mod,m1,p1); t2 = ndv_mul_nm(mod,m2,p2);
3949: *rp = nd_add(mod,t1,t2);
1.172 noro 3950: if ( nd_gentrace ) {
1.167 noro 3951: /* nd_tracelist is initialized */
3952: STOQ(p->i1,iq); nmtodp(mod,m1,&d); node = mknode(4,ONE,iq,d,ONE);
3953: MKLIST(hist,node); MKNODE(nd_tracelist,hist,0);
3954: STOQ(p->i2,iq); nmtodp(mod,m2,&d); node = mknode(4,ONE,iq,d,ONE);
3955: MKLIST(hist,node); MKNODE(node,hist,nd_tracelist);
3956: nd_tracelist = node;
3957: }
1.157 noro 3958: FREENM(m1); FREENM(m2);
3959: return 1;
1.11 noro 3960: }
3961:
1.19 noro 3962: void ndv_mul_c(int mod,NDV p,int mul)
1.11 noro 3963: {
1.157 noro 3964: NMV m;
3965: int c,c1,len,i;
1.11 noro 3966:
1.157 noro 3967: if ( !p ) return;
3968: len = LEN(p);
3969: if ( mod == -1 )
3970: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) )
3971: CM(m) = _mulsf(CM(m),mul);
3972: else
3973: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
3974: c1 = CM(m); DMAR(c1,mul,0,mod,c); CM(m) = c;
3975: }
1.11 noro 3976: }
3977:
1.113 noro 3978: void ndv_mul_c_q(NDV p,Q mul)
1.16 noro 3979: {
1.157 noro 3980: NMV m;
3981: Q c;
3982: int len,i;
3983:
3984: if ( !p ) return;
3985: len = LEN(p);
3986: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
3987: mulq(CQ(m),mul,&c); CQ(m) = c;
3988: }
1.16 noro 3989: }
3990:
1.55 noro 3991: ND weyl_ndv_mul_nm(int mod,NM m0,NDV p) {
1.157 noro 3992: int n2,i,j,l,n,tlen;
3993: UINT *d0;
3994: NM *tab,*psum;
3995: ND s,r;
3996: NM t;
3997: NMV m1;
3998:
3999: if ( !p ) return 0;
4000: n = NV(p); n2 = n>>1;
4001: d0 = DL(m0);
4002: l = LEN(p);
4003: for ( i = 0, tlen = 1; i < n2; i++ ) tlen *= (GET_EXP(d0,n2+i)+1);
4004: tab = (NM *)ALLOCA(tlen*sizeof(NM));
4005: psum = (NM *)ALLOCA(tlen*sizeof(NM));
4006: for ( i = 0; i < tlen; i++ ) psum[i] = 0;
4007: m1 = (NMV)(((char *)BDY(p))+nmv_adv*(l-1));
4008: for ( i = l-1; i >= 0; i--, NMV_PREV(m1) ) {
4009: /* m0(NM) * m1(NMV) => tab(NM) */
4010: weyl_mul_nm_nmv(n,mod,m0,m1,tab,tlen);
4011: for ( j = 0; j < tlen; j++ ) {
4012: if ( tab[j] ) {
4013: NEXT(tab[j]) = psum[j]; psum[j] = tab[j];
4014: }
4015: }
4016: }
4017: for ( i = tlen-1, r = 0; i >= 0; i-- )
4018: if ( psum[i] ) {
4019: for ( j = 0, t = psum[i]; t; t = NEXT(t), j++ );
4020: MKND(n,psum[i],j,s);
4021: r = nd_add(mod,r,s);
4022: }
4023: if ( r ) SG(r) = SG(p)+TD(d0);
4024: return r;
1.55 noro 4025: }
4026:
1.56 noro 4027: /* product of monomials */
4028: /* XXX block order is not handled correctly */
4029:
1.55 noro 4030: void weyl_mul_nm_nmv(int n,int mod,NM m0,NMV m1,NM *tab,int tlen)
4031: {
1.157 noro 4032: int i,n2,j,s,curlen,homo,h,a,b,k,l,u,min;
4033: UINT *d0,*d1,*d,*dt,*ctab;
4034: Q *ctab_q;
4035: Q q,q1;
4036: UINT c0,c1,c;
4037: NM *p;
4038: NM m,t;
4039: int mpos;
4040:
4041: for ( i = 0; i < tlen; i++ ) tab[i] = 0;
4042: if ( !m0 || !m1 ) return;
4043: d0 = DL(m0); d1 = DL(m1); n2 = n>>1;
1.166 noro 4044: if ( nd_module )
4045: if ( MPOS(d0) ) error("weyl_mul_nm_nmv : invalid operation");
4046:
1.157 noro 4047: NEWNM(m); d = DL(m);
4048: if ( mod ) {
4049: c0 = CM(m0); c1 = CM(m1); DMAR(c0,c1,0,mod,c); CM(m) = c;
4050: } else
4051: mulq(CQ(m0),CQ(m1),&CQ(m));
4052: for ( i = 0; i < nd_wpd; i++ ) d[i] = 0;
4053: homo = n&1 ? 1 : 0;
4054: if ( homo ) {
4055: /* offset of h-degree */
4056: h = GET_EXP(d0,n-1)+GET_EXP(d1,n-1);
4057: PUT_EXP(DL(m),n-1,h);
4058: TD(DL(m)) = h;
4059: if ( nd_blockmask ) ndl_weight_mask(DL(m));
4060: }
4061: tab[0] = m;
4062: NEWNM(m); d = DL(m);
4063: for ( i = 0, curlen = 1; i < n2; i++ ) {
4064: a = GET_EXP(d0,i); b = GET_EXP(d1,n2+i);
4065: k = GET_EXP(d0,n2+i); l = GET_EXP(d1,i);
4066: /* xi^a*(Di^k*xi^l)*Di^b */
4067: a += l; b += k;
4068: s = MUL_WEIGHT(a,i)+MUL_WEIGHT(b,n2+i);
4069: if ( !k || !l ) {
4070: for ( j = 0; j < curlen; j++ )
4071: if ( t = tab[j] ) {
4072: dt = DL(t);
4073: PUT_EXP(dt,i,a); PUT_EXP(dt,n2+i,b); TD(dt) += s;
4074: if ( nd_blockmask ) ndl_weight_mask(dt);
4075: }
4076: curlen *= k+1;
4077: continue;
4078: }
4079: min = MIN(k,l);
4080: if ( mod ) {
4081: ctab = (UINT *)ALLOCA((min+1)*sizeof(UINT));
4082: mkwcm(k,l,mod,ctab);
4083: } else {
4084: ctab_q = (Q *)ALLOCA((min+1)*sizeof(Q));
4085: mkwc(k,l,ctab_q);
4086: }
4087: for ( j = min; j >= 0; j-- ) {
4088: for ( u = 0; u < nd_wpd; u++ ) d[u] = 0;
4089: PUT_EXP(d,i,a-j); PUT_EXP(d,n2+i,b-j);
4090: h = MUL_WEIGHT(a-j,i)+MUL_WEIGHT(b-j,n2+i);
4091: if ( homo ) {
4092: TD(d) = s;
4093: PUT_EXP(d,n-1,s-h);
4094: } else TD(d) = h;
4095: if ( nd_blockmask ) ndl_weight_mask(d);
4096: if ( mod ) c = ctab[j];
4097: else q = ctab_q[j];
4098: p = tab+curlen*j;
4099: if ( j == 0 ) {
4100: for ( u = 0; u < curlen; u++, p++ ) {
4101: if ( tab[u] ) {
4102: ndl_addto(DL(tab[u]),d);
4103: if ( mod ) {
4104: c0 = CM(tab[u]); DMAR(c0,c,0,mod,c1); CM(tab[u]) = c1;
4105: } else {
4106: mulq(CQ(tab[u]),q,&q1); CQ(tab[u]) = q1;
4107: }
4108: }
4109: }
4110: } else {
4111: for ( u = 0; u < curlen; u++, p++ ) {
4112: if ( tab[u] ) {
4113: NEWNM(t);
4114: ndl_add(DL(tab[u]),d,DL(t));
4115: if ( mod ) {
4116: c0 = CM(tab[u]); DMAR(c0,c,0,mod,c1); CM(t) = c1;
4117: } else
4118: mulq(CQ(tab[u]),q,&CQ(t));
4119: *p = t;
4120: }
4121: }
4122: }
4123: }
4124: curlen *= k+1;
4125: }
4126: FREENM(m);
1.167 noro 4127: if ( nd_module ) {
1.166 noro 4128: mpos = MPOS(d1);
1.167 noro 4129: for ( i = 0; i < tlen; i++ )
4130: if ( tab[i] ) {
4131: d = DL(tab[i]);
4132: MPOS(d) = mpos;
4133: TD(d) = ndl_weight(d);
4134: }
4135: }
1.55 noro 4136: }
4137:
1.63 noro 4138: ND ndv_mul_nm_symbolic(NM m0,NDV p)
4139: {
1.157 noro 4140: NM mr,mr0;
4141: NMV m;
4142: UINT *d,*dt,*dm;
4143: int c,n,td,i,c1,c2,len;
4144: Q q;
4145: ND r;
4146:
4147: if ( !p ) return 0;
4148: else {
4149: n = NV(p); m = BDY(p);
4150: d = DL(m0);
4151: len = LEN(p);
4152: mr0 = 0;
4153: td = TD(d);
4154: c = CM(m0);
4155: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4156: NEXTNM(mr0,mr);
4157: CM(mr) = 1;
4158: ndl_add(DL(m),d,DL(mr));
4159: }
4160: NEXT(mr) = 0;
4161: MKND(NV(p),mr0,len,r);
4162: SG(r) = SG(p) + TD(d);
4163: return r;
4164: }
1.63 noro 4165: }
4166:
1.55 noro 4167: ND ndv_mul_nm(int mod,NM m0,NDV p)
1.9 noro 4168: {
1.157 noro 4169: NM mr,mr0;
4170: NMV m;
4171: UINT *d,*dt,*dm;
4172: int c,n,td,i,c1,c2,len;
4173: P q;
4174: ND r;
4175:
4176: if ( !p ) return 0;
4177: else if ( do_weyl )
4178: if ( mod == -1 )
4179: error("ndv_mul_nm : not implemented (weyl)");
4180: else
4181: return weyl_ndv_mul_nm(mod,m0,p);
4182: else {
4183: n = NV(p); m = BDY(p);
4184: d = DL(m0);
4185: len = LEN(p);
4186: mr0 = 0;
4187: td = TD(d);
4188: if ( mod == -1 ) {
4189: c = CM(m0);
4190: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4191: NEXTNM(mr0,mr);
4192: CM(mr) = _mulsf(CM(m),c);
4193: ndl_add(DL(m),d,DL(mr));
4194: }
4195: } else if ( mod ) {
4196: c = CM(m0);
4197: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4198: NEXTNM(mr0,mr);
4199: c1 = CM(m);
4200: DMAR(c1,c,0,mod,c2);
4201: CM(mr) = c2;
4202: ndl_add(DL(m),d,DL(mr));
4203: }
4204: } else {
4205: q = CP(m0);
4206: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4207: NEXTNM(mr0,mr);
4208: mulp(nd_vc,CP(m),q,&CP(mr));
4209: ndl_add(DL(m),d,DL(mr));
4210: }
4211: }
4212: NEXT(mr) = 0;
4213: MKND(NV(p),mr0,len,r);
4214: SG(r) = SG(p) + TD(d);
4215: return r;
4216: }
1.4 noro 4217: }
4218:
1.104 noro 4219: ND nd_quo(int mod,PGeoBucket bucket,NDV d)
1.99 noro 4220: {
1.157 noro 4221: NM mq0,mq;
4222: NMV tm;
4223: Q q;
4224: int i,nv,sg,c,c1,c2,hindex;
4225: ND p,t,r;
4226: N tnm;
4227:
4228: if ( bucket->m < 0 ) return 0;
4229: else {
4230: nv = NV(d);
4231: mq0 = 0;
4232: tm = (NMV)ALLOCA(nmv_adv);
4233: while ( 1 ) {
4234: hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket);
4235: if ( hindex < 0 ) break;
4236: p = bucket->body[hindex];
4237: NEXTNM(mq0,mq);
4238: ndl_sub(HDL(p),HDL(d),DL(mq));
4239: ndl_copy(DL(mq),DL(tm));
4240: if ( mod ) {
4241: c1 = invm(HCM(d),mod); c2 = HCM(p);
4242: DMAR(c1,c2,0,mod,c); CM(mq) = c;
4243: CM(tm) = mod-c;
4244: } else {
4245: divsn(NM(HCQ(p)),NM(HCQ(d)),&tnm);
4246: NTOQ(tnm,SGN(HCQ(p))*SGN(HCQ(d)),CQ(mq));
4247: chsgnq(CQ(mq),&CQ(tm));
4248: }
4249: t = ndv_mul_nmv_trunc(mod,tm,d,HDL(d));
4250: bucket->body[hindex] = nd_remove_head(p);
4251: t = nd_remove_head(t);
4252: add_pbucket(mod,bucket,t);
4253: }
4254: if ( !mq0 )
4255: r = 0;
4256: else {
4257: NEXT(mq) = 0;
4258: for ( i = 0, mq = mq0; mq; mq = NEXT(mq), i++ );
4259: MKND(nv,mq0,i,r);
4260: /* XXX */
4261: SG(r) = HTD(r);
4262: }
4263: return r;
4264: }
1.99 noro 4265: }
4266:
1.43 noro 4267: void ndv_realloc(NDV p,int obpe,int oadv,EPOS oepos)
1.11 noro 4268: {
1.157 noro 4269: NMV m,mr,mr0,t;
4270: int len,i,k;
1.11 noro 4271:
1.157 noro 4272: if ( !p ) return;
4273: m = BDY(p); len = LEN(p);
4274: mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p);
4275: m = (NMV)((char *)mr0+(len-1)*oadv);
4276: mr = (NMV)((char *)mr0+(len-1)*nmv_adv);
4277: t = (NMV)ALLOCA(nmv_adv);
4278: for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {
4279: CQ(t) = CQ(m);
4280: for ( k = 0; k < nd_wpd; k++ ) DL(t)[k] = 0;
4281: ndl_reconstruct(DL(m),DL(t),obpe,oepos);
4282: CQ(mr) = CQ(t);
4283: ndl_copy(DL(t),DL(mr));
4284: }
4285: BDY(p) = mr0;
1.61 noro 4286: }
4287:
4288: NDV ndv_dup_realloc(NDV p,int obpe,int oadv,EPOS oepos)
4289: {
1.157 noro 4290: NMV m,mr,mr0;
4291: int len,i;
4292: NDV r;
4293:
4294: if ( !p ) return 0;
4295: m = BDY(p); len = LEN(p);
4296: mr0 = mr = (NMV)MALLOC(len*nmv_adv);
4297: for ( i = 0; i < len; i++, NMV_OADV(m), NMV_ADV(mr) ) {
4298: ndl_zero(DL(mr));
4299: ndl_reconstruct(DL(m),DL(mr),obpe,oepos);
4300: CQ(mr) = CQ(m);
4301: }
4302: MKNDV(NV(p),mr0,len,r);
4303: SG(r) = SG(p);
4304: return r;
1.11 noro 4305: }
4306:
1.61 noro 4307: /* duplicate p */
4308:
4309: NDV ndv_dup(int mod,NDV p)
1.3 noro 4310: {
1.157 noro 4311: NDV d;
4312: NMV t,m,m0;
4313: int i,len;
4314:
4315: if ( !p ) return 0;
4316: len = LEN(p);
4317: m0 = m = (NMV)(mod?MALLOC_ATOMIC(len*nmv_adv):MALLOC(len*nmv_adv));
4318: for ( t = BDY(p), i = 0; i < len; i++, NMV_ADV(t), NMV_ADV(m) ) {
4319: ndl_copy(DL(t),DL(m));
4320: CQ(m) = CQ(t);
4321: }
4322: MKNDV(NV(p),m0,len,d);
4323: SG(d) = SG(p);
4324: return d;
1.23 noro 4325: }
4326:
1.63 noro 4327: ND nd_dup(ND p)
4328: {
1.157 noro 4329: ND d;
4330: NM t,m,m0;
1.63 noro 4331:
1.157 noro 4332: if ( !p ) return 0;
4333: for ( m0 = 0, t = BDY(p); t; t = NEXT(t) ) {
4334: NEXTNM(m0,m);
4335: ndl_copy(DL(t),DL(m));
4336: CQ(m) = CQ(t);
4337: }
4338: if ( m0 ) NEXT(m) = 0;
4339: MKND(NV(p),m0,LEN(p),d);
4340: SG(d) = SG(p);
4341: return d;
1.63 noro 4342: }
4343:
1.61 noro 4344: /* XXX if p->len == 0 then it represents 0 */
4345:
4346: void ndv_mod(int mod,NDV p)
4347: {
1.157 noro 4348: NMV t,d;
4349: int r,s,u;
4350: int i,len,dlen;
4351: P cp;
4352: Q c;
4353: Obj gfs;
4354:
4355: if ( !p ) return;
4356: len = LEN(p);
4357: dlen = 0;
4358: if ( mod == -1 )
4359: for ( t = d = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) {
4360: simp_ff((Obj)CP(t),&gfs);
4361: r = FTOIF(CONT((GFS)gfs));
4362: CM(d) = r;
4363: ndl_copy(DL(t),DL(d));
4364: NMV_ADV(d);
4365: dlen++;
4366: }
4367: else
4368: for ( t = d = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) {
4369: if ( nd_vc ) {
4370: nd_subst_vector(nd_vc,CP(t),nd_subst,&cp);
4371: c = (Q)cp;
4372: } else
4373: c = CQ(t);
4374: r = rem(NM(c),mod);
4375: if ( r ) {
4376: if ( SGN(c) < 0 )
4377: r = mod-r;
4378: if ( DN(c) ) {
4379: s = rem(DN(c),mod);
4380: if ( !s )
4381: error("ndv_mod : division by 0");
4382: s = invm(s,mod);
4383: DMAR(r,s,0,mod,u); r = u;
4384: }
4385: CM(d) = r;
4386: ndl_copy(DL(t),DL(d));
4387: NMV_ADV(d);
4388: dlen++;
4389: }
4390: }
4391: LEN(p) = dlen;
1.61 noro 4392: }
4393:
4394: NDV ptondv(VL vl,VL dvl,P p)
4395: {
1.157 noro 4396: ND nd;
4397:
4398: nd = ptond(vl,dvl,p);
4399: return ndtondv(0,nd);
4400: }
1.61 noro 4401:
1.157 noro 4402: void pltozpl(LIST l,Q *cont,LIST *pp)
4403: {
4404: NODE nd,nd1;
4405: int n;
4406: P *pl;
4407: Q *cl;
4408: int i;
4409: P dmy;
4410: Q dvr;
4411: LIST r;
4412:
4413: nd = BDY(l); n = length(nd);
4414: pl = (P *)ALLOCA(n*sizeof(P));
4415: cl = (Q *)ALLOCA(n*sizeof(P));
4416: for ( i = 0; i < n; i++, nd = NEXT(nd) )
4417: ptozp((P)BDY(nd),1,&cl[i],&dmy);
4418: qltozl(cl,n,&dvr);
4419: nd = BDY(l);
4420: for ( i = 0; i < n; i++, nd = NEXT(nd) ) {
4421: divsp(CO,(P)BDY(nd),(P)dvr,&pl[i]);
4422: }
4423: nd = 0;
4424: for ( i = n-1; i >= 0; i-- ) {
4425: MKNODE(nd1,pl[i],nd); nd = nd1;
4426: }
4427: MKLIST(r,nd);
4428: *pp = r;
4429: }
4430:
4431: /* (a1,a2,...,an) -> a1*e(1)+...+an*e(n) */
4432:
4433: NDV pltondv(VL vl,VL dvl,LIST p)
4434: {
4435: int i;
4436: NODE t;
4437: ND r,ri;
4438: NM m;
4439:
4440: if ( !nd_module ) error("pltond : module order must be set");
4441: r = 0;
4442: for ( i = 1, t = BDY(p); t; t = NEXT(t), i++ ) {
4443: ri = ptond(vl,dvl,(P)BDY(t));
1.163 noro 4444: if ( ri )
4445: for ( m = BDY(ri); m; m = NEXT(m) ) {
1.167 noro 4446: MPOS(DL(m)) = i;
4447: TD(DL(m)) = ndl_weight(DL(m));
1.163 noro 4448: if ( nd_blockmask ) ndl_weight_mask(DL(m));
4449: }
1.157 noro 4450: r = nd_add(0,r,ri);
4451: }
4452: return ndtondv(0,r);
1.61 noro 4453: }
4454:
4455: ND ptond(VL vl,VL dvl,P p)
1.23 noro 4456: {
1.157 noro 4457: int n,i,j,k,e;
4458: VL tvl;
4459: V v;
4460: DCP dc;
4461: DCP *w;
4462: ND r,s,t,u;
4463: P x;
4464: int c;
4465: UINT *d;
4466: NM m,m0;
4467:
4468: if ( !p )
4469: return 0;
4470: else if ( NUM(p) ) {
4471: NEWNM(m);
4472: ndl_zero(DL(m));
4473: CQ(m) = (Q)p;
4474: NEXT(m) = 0;
4475: MKND(nd_nvar,m,1,r);
4476: SG(r) = 0;
4477: return r;
4478: } else {
4479: for ( dc = DC(p), k = 0; dc; dc = NEXT(dc), k++ );
4480: w = (DCP *)ALLOCA(k*sizeof(DCP));
4481: for ( dc = DC(p), j = 0; j < k; dc = NEXT(dc), j++ ) w[j] = dc;
4482: for ( i = 0, tvl = dvl, v = VR(p);
4483: tvl && tvl->v != v; tvl = NEXT(tvl), i++ );
4484: if ( !tvl ) {
4485: for ( j = k-1, s = 0, MKV(v,x); j >= 0; j-- ) {
4486: t = ptond(vl,dvl,COEF(w[j]));
4487: pwrp(vl,x,DEG(w[j]),&p);
4488: nd_mul_c_p(CO,t,p); s = nd_add(0,s,t);
4489: }
4490: return s;
4491: } else {
4492: NEWNM(m0); d = DL(m0);
4493: for ( j = k-1, s = 0; j >= 0; j-- ) {
4494: ndl_zero(d); e = QTOS(DEG(w[j])); PUT_EXP(d,i,e);
4495: TD(d) = MUL_WEIGHT(e,i);
4496: if ( nd_blockmask) ndl_weight_mask(d);
4497: if ( nd_module ) MPOS(d) = 0;
4498: t = ptond(vl,dvl,COEF(w[j]));
4499: for ( m = BDY(t); m; m = NEXT(m) )
4500: ndl_addto(DL(m),d);
4501: SG(t) += TD(d);
4502: s = nd_add(0,s,t);
4503: }
4504: FREENM(m0);
4505: return s;
4506: }
4507: }
1.61 noro 4508: }
4509:
4510: P ndvtop(int mod,VL vl,VL dvl,NDV p)
4511: {
1.157 noro 4512: VL tvl;
4513: int len,n,j,i,e;
4514: NMV m;
4515: Q q;
4516: P c;
4517: UINT *d;
4518: P s,r,u,t,w;
4519: GFS gfs;
4520:
4521: if ( !p ) return 0;
4522: else {
4523: len = LEN(p);
4524: n = NV(p);
4525: m = (NMV)(((char *)BDY(p))+nmv_adv*(len-1));
4526: for ( j = len-1, s = 0; j >= 0; j--, NMV_PREV(m) ) {
4527: if ( mod == -1 ) {
4528: e = IFTOF(CM(m)); MKGFS(e,gfs); c = (P)gfs;
4529: } else if ( mod ) {
4530: STOQ(CM(m),q); c = (P)q;
4531: } else
4532: c = CP(m);
4533: d = DL(m);
4534: for ( i = 0, t = c, tvl = dvl; i < n; tvl = NEXT(tvl), i++ ) {
4535: MKV(tvl->v,r); e = GET_EXP(d,i); STOQ(e,q);
4536: pwrp(vl,r,q,&u); mulp(vl,t,u,&w); t = w;
4537: }
4538: addp(vl,s,t,&u); s = u;
4539: }
4540: return s;
4541: }
4542: }
4543:
4544: LIST ndvtopl(int mod,VL vl,VL dvl,NDV p,int rank)
4545: {
4546: VL tvl;
4547: int len,n,j,i,e;
4548: NMV m;
4549: Q q;
4550: P c;
4551: UINT *d;
4552: P s,r,u,t,w;
4553: GFS gfs;
4554: P *a;
4555: LIST l;
4556: NODE nd,nd1;
4557:
4558: if ( !p ) return 0;
4559: else {
4560: a = (P *)ALLOCA((rank+1)*sizeof(P));
4561: for ( i = 0; i <= rank; i++ ) a[i] = 0;
4562: len = LEN(p);
4563: n = NV(p);
4564: m = (NMV)(((char *)BDY(p))+nmv_adv*(len-1));
4565: for ( j = len-1; j >= 0; j--, NMV_PREV(m) ) {
4566: if ( mod == -1 ) {
4567: e = IFTOF(CM(m)); MKGFS(e,gfs); c = (P)gfs;
4568: } else if ( mod ) {
4569: STOQ(CM(m),q); c = (P)q;
4570: } else
4571: c = CP(m);
4572: d = DL(m);
4573: for ( i = 0, t = c, tvl = dvl; i < n; tvl = NEXT(tvl), i++ ) {
4574: MKV(tvl->v,r); e = GET_EXP(d,i); STOQ(e,q);
4575: pwrp(vl,r,q,&u); mulp(vl,t,u,&w); t = w;
4576: }
4577: addp(vl,a[MPOS(d)],t,&u); a[MPOS(d)] = u;
4578: }
4579: nd = 0;
4580: for ( i = rank; i > 0; i-- ) {
4581: MKNODE(nd1,a[i],nd); nd = nd1;
4582: }
4583: MKLIST(l,nd);
4584: return l;
4585: }
1.3 noro 4586: }
4587:
1.61 noro 4588: NDV ndtondv(int mod,ND p)
1.11 noro 4589: {
1.157 noro 4590: NDV d;
4591: NMV m,m0;
4592: NM t;
4593: int i,len;
4594:
4595: if ( !p ) return 0;
4596: len = LEN(p);
4597: if ( mod )
4598: m0 = m = (NMV)GC_malloc_atomic_ignore_off_page(len*nmv_adv);
4599: else
4600: m0 = m = MALLOC(len*nmv_adv);
1.103 noro 4601: #if 0
1.157 noro 4602: ndv_alloc += nmv_adv*len;
1.103 noro 4603: #endif
1.157 noro 4604: for ( t = BDY(p), i = 0; t; t = NEXT(t), i++, NMV_ADV(m) ) {
4605: ndl_copy(DL(t),DL(m));
4606: CQ(m) = CQ(t);
4607: }
4608: MKNDV(NV(p),m0,len,d);
4609: SG(d) = SG(p);
4610: return d;
1.11 noro 4611: }
4612:
1.61 noro 4613: ND ndvtond(int mod,NDV p)
1.11 noro 4614: {
1.157 noro 4615: ND d;
4616: NM m,m0;
4617: NMV t;
4618: int i,len;
4619:
4620: if ( !p ) return 0;
4621: m0 = 0;
4622: len = p->len;
4623: for ( t = BDY(p), i = 0; i < len; NMV_ADV(t), i++ ) {
4624: NEXTNM(m0,m);
4625: ndl_copy(DL(t),DL(m));
4626: CQ(m) = CQ(t);
4627: }
4628: NEXT(m) = 0;
4629: MKND(NV(p),m0,len,d);
4630: SG(d) = SG(p);
4631: return d;
1.11 noro 4632: }
4633:
1.3 noro 4634: void ndv_print(NDV p)
4635: {
1.157 noro 4636: NMV m;
4637: int i,len;
1.3 noro 4638:
1.157 noro 4639: if ( !p ) printf("0\n");
4640: else {
4641: len = LEN(p);
4642: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
4643: if ( CM(m) & 0x80000000 ) printf("+@_%d*",IFTOF(CM(m)));
4644: else printf("+%d*",CM(m));
4645: ndl_print(DL(m));
4646: }
4647: printf("\n");
4648: }
1.16 noro 4649: }
4650:
1.113 noro 4651: void ndv_print_q(NDV p)
1.16 noro 4652: {
1.157 noro 4653: NMV m;
4654: int i,len;
1.16 noro 4655:
1.157 noro 4656: if ( !p ) printf("0\n");
4657: else {
4658: len = LEN(p);
4659: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
4660: printf("+");
4661: printexpr(CO,(Obj)CQ(m));
4662: printf("*");
4663: ndl_print(DL(m));
4664: }
4665: printf("\n");
4666: }
1.25 noro 4667: }
4668:
1.167 noro 4669: NODE ndv_reducebase(NODE x,int *perm)
1.27 noro 4670: {
1.157 noro 4671: int len,i,j;
1.167 noro 4672: NDVI w;
1.157 noro 4673: NODE t,t0;
4674:
4675: len = length(x);
1.167 noro 4676: w = (NDVI)ALLOCA(len*sizeof(struct oNDVI));
4677: for ( i = 0, t = x; i < len; i++, t = NEXT(t) ) {
4678: w[i].p = BDY(t); w[i].i = perm[i];
4679: }
1.157 noro 4680: for ( i = 0; i < len; i++ ) {
4681: for ( j = 0; j < i; j++ ) {
1.167 noro 4682: if ( w[i].p && w[j].p )
4683: if ( ndl_reducible(HDL(w[i].p),HDL(w[j].p)) ) w[i].p = 0;
4684: else if ( ndl_reducible(HDL(w[j].p),HDL(w[i].p)) ) w[j].p = 0;
1.157 noro 4685: }
4686: }
1.167 noro 4687: for ( i = j = 0, t0 = 0; i < len; i++ ) {
4688: if ( w[i].p ) {
4689: NEXTNODE(t0,t); BDY(t) = (pointer)w[i].p;
4690: perm[j++] = w[i].i;
4691: }
1.157 noro 4692: }
4693: NEXT(t) = 0; x = t0;
4694: return x;
1.11 noro 4695: }
1.32 noro 4696:
1.43 noro 4697: /* XXX incomplete */
4698:
1.32 noro 4699: void nd_init_ord(struct order_spec *ord)
4700: {
1.157 noro 4701: nd_module = (ord->id >= 256);
4702: switch ( ord->id ) {
4703: case 0:
4704: switch ( ord->ord.simple ) {
4705: case 0:
4706: nd_dcomp = 1;
4707: nd_isrlex = 1;
4708: break;
4709: case 1:
4710: nd_dcomp = 1;
4711: nd_isrlex = 0;
4712: break;
4713: case 2:
4714: nd_dcomp = 0;
4715: nd_isrlex = 0;
4716: ndl_compare_function = ndl_lex_compare;
4717: break;
4718: case 11:
4719: /* XXX */
4720: nd_dcomp = 0;
4721: nd_isrlex = 1;
4722: ndl_compare_function = ndl_ww_lex_compare;
4723: break;
4724: default:
4725: error("nd_gr : unsupported order");
4726: }
4727: break;
4728: case 1:
4729: /* block order */
4730: /* XXX */
4731: nd_dcomp = -1;
4732: nd_isrlex = 0;
4733: ndl_compare_function = ndl_block_compare;
4734: break;
4735: case 2:
4736: /* matrix order */
4737: /* XXX */
4738: nd_dcomp = -1;
4739: nd_isrlex = 0;
4740: nd_matrix_len = ord->ord.matrix.row;
4741: nd_matrix = ord->ord.matrix.matrix;
4742: ndl_compare_function = ndl_matrix_compare;
4743: break;
4744: case 3:
4745: /* composite order */
4746: nd_dcomp = -1;
4747: nd_isrlex = 0;
4748: nd_worb_len = ord->ord.composite.length;
4749: nd_worb = ord->ord.composite.w_or_b;
4750: ndl_compare_function = ndl_composite_compare;
4751: break;
4752:
4753: /* module order */
4754: case 256:
1.160 noro 4755: nd_ispot = ord->ispot;
1.174 noro 4756: nd_pot_nelim = ord->pot_nelim;
1.157 noro 4757: nd_dcomp = -1;
4758: switch ( ord->ord.simple ) {
4759: case 0:
1.167 noro 4760: nd_isrlex = 1;
1.157 noro 4761: ndl_compare_function = ndl_module_grlex_compare;
4762: break;
4763: case 1:
1.167 noro 4764: nd_isrlex = 0;
1.157 noro 4765: ndl_compare_function = ndl_module_glex_compare;
4766: break;
4767: case 2:
1.167 noro 4768: nd_isrlex = 0;
1.157 noro 4769: ndl_compare_function = ndl_module_lex_compare;
4770: break;
4771: default:
4772: error("nd_gr : unsupported order");
4773: }
4774: break;
4775: case 257:
4776: /* block order */
1.174 noro 4777: nd_ispot = ord->ispot;
4778: nd_pot_nelim = ord->pot_nelim;
4779: nd_dcomp = -1;
4780: nd_isrlex = 0;
1.157 noro 4781: ndl_compare_function = ndl_module_block_compare;
4782: break;
4783: case 258:
4784: /* matrix order */
1.174 noro 4785: nd_ispot = ord->ispot;
4786: nd_pot_nelim = ord->pot_nelim;
4787: nd_dcomp = -1;
4788: nd_isrlex = 0;
1.157 noro 4789: nd_matrix_len = ord->ord.matrix.row;
4790: nd_matrix = ord->ord.matrix.matrix;
4791: ndl_compare_function = ndl_module_matrix_compare;
4792: break;
4793: case 259:
4794: /* composite order */
1.174 noro 4795: nd_ispot = ord->ispot;
4796: nd_pot_nelim = ord->pot_nelim;
4797: nd_dcomp = -1;
4798: nd_isrlex = 0;
1.157 noro 4799: nd_worb_len = ord->ord.composite.length;
4800: nd_worb = ord->ord.composite.w_or_b;
4801: ndl_compare_function = ndl_module_composite_compare;
4802: break;
4803: }
4804: nd_ord = ord;
1.32 noro 4805: }
4806:
1.43 noro 4807: BlockMask nd_create_blockmask(struct order_spec *ord)
4808: {
1.157 noro 4809: int n,i,j,s,l;
4810: UINT *t;
4811: BlockMask bm;
4812:
4813: /* we only create mask table for block order */
1.164 noro 4814: if ( ord->id != 1 && ord->id != 257 )
1.157 noro 4815: return 0;
4816: n = ord->ord.block.length;
4817: bm = (BlockMask)MALLOC(sizeof(struct oBlockMask));
4818: bm->n = n;
4819: bm->order_pair = ord->ord.block.order_pair;
4820: bm->mask = (UINT **)MALLOC(n*sizeof(UINT *));
4821: for ( i = 0, s = 0; i < n; i++ ) {
4822: bm->mask[i] = t = (UINT *)MALLOC_ATOMIC(nd_wpd*sizeof(UINT));
4823: for ( j = 0; j < nd_wpd; j++ ) t[j] = 0;
4824: l = bm->order_pair[i].length;
4825: for ( j = 0; j < l; j++, s++ ) PUT_EXP(t,s,nd_mask0);
4826: }
4827: return bm;
1.57 noro 4828: }
4829:
4830: EPOS nd_create_epos(struct order_spec *ord)
4831: {
1.157 noro 4832: int i,j,l,s,ord_l,ord_o;
4833: EPOS epos;
4834: struct order_pair *op;
4835:
4836: epos = (EPOS)MALLOC_ATOMIC(nd_nvar*sizeof(struct oEPOS));
4837: switch ( ord->id ) {
1.164 noro 4838: case 0: case 256:
1.157 noro 4839: if ( nd_isrlex ) {
4840: for ( i = 0; i < nd_nvar; i++ ) {
4841: epos[i].i = nd_exporigin + (nd_nvar-1-i)/nd_epw;
4842: epos[i].s = (nd_epw-((nd_nvar-1-i)%nd_epw)-1)*nd_bpe;
4843: }
4844: } else {
4845: for ( i = 0; i < nd_nvar; i++ ) {
4846: epos[i].i = nd_exporigin + i/nd_epw;
4847: epos[i].s = (nd_epw-(i%nd_epw)-1)*nd_bpe;
4848: }
4849: }
4850: break;
1.164 noro 4851: case 1: case 257:
1.157 noro 4852: /* block order */
4853: l = ord->ord.block.length;
4854: op = ord->ord.block.order_pair;
4855: for ( j = 0, s = 0; j < l; j++ ) {
4856: ord_o = op[j].order;
4857: ord_l = op[j].length;
4858: if ( !ord_o )
4859: for ( i = 0; i < ord_l; i++ ) {
4860: epos[s+i].i = nd_exporigin + (s+ord_l-i-1)/nd_epw;
4861: epos[s+i].s = (nd_epw-((s+ord_l-i-1)%nd_epw)-1)*nd_bpe;
4862: }
4863: else
4864: for ( i = 0; i < ord_l; i++ ) {
4865: epos[s+i].i = nd_exporigin + (s+i)/nd_epw;
4866: epos[s+i].s = (nd_epw-((s+i)%nd_epw)-1)*nd_bpe;
4867: }
4868: s += ord_l;
4869: }
4870: break;
4871: case 2:
4872: /* matrix order */
4873: case 3:
4874: /* composite order */
1.167 noro 4875: default:
1.157 noro 4876: for ( i = 0; i < nd_nvar; i++ ) {
4877: epos[i].i = nd_exporigin + i/nd_epw;
4878: epos[i].s = (nd_epw-(i%nd_epw)-1)*nd_bpe;
4879: }
4880: break;
4881: }
4882: return epos;
1.43 noro 4883: }
1.59 noro 4884:
4885: /* external interface */
4886:
4887: void nd_nf_p(P f,LIST g,LIST v,int m,struct order_spec *ord,P *rp)
4888: {
1.157 noro 4889: NODE t,in0,in;
4890: ND nd,nf;
4891: NDV ndv;
4892: VL vv,tv;
4893: int stat,nvar,max,e;
4894: union oNDC dn;
4895: Q cont;
4896: P pp;
4897:
4898: if ( !f ) {
4899: *rp = 0;
4900: return;
4901: }
4902: pltovl(v,&vv);
4903: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
4904:
4905: /* get the degree bound */
4906: for ( t = BDY(g), max = 0; t; t = NEXT(t) )
4907: for ( tv = vv; tv; tv = NEXT(tv) ) {
4908: e = getdeg(tv->v,(P)BDY(t));
4909: max = MAX(e,max);
4910: }
4911: for ( tv = vv; tv; tv = NEXT(tv) ) {
4912: e = getdeg(tv->v,f);
4913: max = MAX(e,max);
4914: }
4915:
4916: nd_init_ord(ord);
4917: nd_setup_parameters(nvar,max);
4918:
4919: /* conversion to ndv */
4920: for ( in0 = 0, t = BDY(g); t; t = NEXT(t) ) {
4921: NEXTNODE(in0,in);
4922: ptozp((P)BDY(t),1,&cont,&pp);
4923: BDY(in) = (pointer)ptondv(CO,vv,pp);
4924: if ( m ) ndv_mod(m,(NDV)BDY(in));
4925: }
4926: NEXTNODE(in0,in);
4927: BDY(in) = (pointer)ptondv(CO,vv,f);
4928: if ( m ) ndv_mod(m,(NDV)BDY(in));
4929: NEXT(in) = 0;
4930:
4931: /* dont sort, dont removecont */
4932: ndv_setup(m,0,in0,1,1);
4933: nd_psn--;
4934: nd_scale=2;
4935: while ( 1 ) {
4936: nd = (pointer)ndvtond(m,nd_ps[nd_psn]);
4937: stat = nd_nf(m,0,nd,nd_ps,1,0,&nf);
4938: if ( !stat ) {
4939: nd_psn++;
4940: nd_reconstruct(0,0);
4941: nd_psn--;
4942: } else
4943: break;
4944: }
4945: *rp = ndvtop(m,CO,vv,ndtondv(m,nf));
1.63 noro 4946: }
4947:
4948: int nd_to_vect(int mod,UINT *s0,int n,ND d,UINT *r)
4949: {
1.157 noro 4950: NM m;
4951: UINT *t,*s;
4952: int i;
4953:
4954: for ( i = 0; i < n; i++ ) r[i] = 0;
4955: for ( i = 0, s = s0, m = BDY(d); m; m = NEXT(m) ) {
4956: t = DL(m);
4957: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
4958: r[i] = CM(m);
4959: }
4960: for ( i = 0; !r[i]; i++ );
4961: return i;
1.63 noro 4962: }
4963:
1.113 noro 4964: int nd_to_vect_q(UINT *s0,int n,ND d,Q *r)
1.74 noro 4965: {
1.157 noro 4966: NM m;
4967: UINT *t,*s;
4968: int i;
4969:
4970: for ( i = 0; i < n; i++ ) r[i] = 0;
4971: for ( i = 0, s = s0, m = BDY(d); m; m = NEXT(m) ) {
4972: t = DL(m);
4973: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
4974: r[i] = CQ(m);
4975: }
4976: for ( i = 0; !r[i]; i++ );
4977: return i;
1.74 noro 4978: }
4979:
1.129 noro 4980: Q *nm_ind_pair_to_vect(int mod,UINT *s0,int n,NM_ind_pair pair)
4981: {
1.157 noro 4982: NM m;
4983: NMV mr;
4984: UINT *d,*t,*s;
4985: NDV p;
4986: int i,j,len;
4987: Q *r;
4988:
4989: m = pair->mul;
4990: d = DL(m);
4991: p = nd_ps[pair->index];
4992: len = LEN(p);
4993: r = (Q *)CALLOC(n,sizeof(Q));
4994: t = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
4995: for ( i = j = 0, s = s0, mr = BDY(p); j < len; j++, NMV_ADV(mr) ) {
4996: ndl_add(d,DL(mr),t);
4997: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
4998: r[i] = CQ(mr);
4999: }
5000: return r;
1.129 noro 5001: }
5002:
1.67 noro 5003: IndArray nm_ind_pair_to_vect_compress(int mod,UINT *s0,int n,NM_ind_pair pair)
1.64 noro 5004: {
1.157 noro 5005: NM m;
5006: NMV mr;
5007: UINT *d,*t,*s;
5008: NDV p;
5009: unsigned char *ivc;
5010: unsigned short *ivs;
5011: UINT *v,*ivi,*s0v;
5012: int i,j,len,prev,diff,cdiff;
5013: IndArray r;
5014:
5015: m = pair->mul;
5016: d = DL(m);
5017: p = nd_ps[pair->index];
5018: len = LEN(p);
5019: t = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
5020: v = (unsigned int *)ALLOCA(len*sizeof(unsigned int));
5021: for ( i = j = 0, s = s0, mr = BDY(p); j < len; j++, NMV_ADV(mr) ) {
5022: ndl_add(d,DL(mr),t);
5023: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
5024: v[j] = i;
5025: }
5026: r = (IndArray)MALLOC(sizeof(struct oIndArray));
5027: r->head = v[0];
5028: diff = 0;
5029: for ( i = 1; i < len; i++ ) {
5030: cdiff = v[i]-v[i-1]; diff = MAX(cdiff,diff);
5031: }
5032: if ( diff < 256 ) {
5033: r->width = 1;
5034: ivc = (unsigned char *)MALLOC_ATOMIC(len*sizeof(unsigned char));
5035: r->index.c = ivc;
5036: for ( i = 1, ivc[0] = 0; i < len; i++ ) ivc[i] = v[i]-v[i-1];
5037: } else if ( diff < 65536 ) {
5038: r->width = 2;
5039: ivs = (unsigned short *)MALLOC_ATOMIC(len*sizeof(unsigned short));
5040: r->index.s = ivs;
5041: for ( i = 1, ivs[0] = 0; i < len; i++ ) ivs[i] = v[i]-v[i-1];
5042: } else {
5043: r->width = 4;
5044: ivi = (unsigned int *)MALLOC_ATOMIC(len*sizeof(unsigned int));
5045: r->index.i = ivi;
5046: for ( i = 1, ivi[0] = 0; i < len; i++ ) ivi[i] = v[i]-v[i-1];
5047: }
5048: return r;
1.64 noro 5049: }
5050:
1.135 noro 5051: int compress_array(Q *svect,Q *cvect,int n)
5052: {
1.157 noro 5053: int i,j;
1.135 noro 5054:
1.157 noro 5055: for ( i = j = 0; i < n; i++ )
5056: if ( svect[i] ) cvect[j++] = svect[i];
5057: return j;
1.135 noro 5058: }
5059:
5060: void expand_array(Q *svect,Q *cvect,int n)
5061: {
1.157 noro 5062: int i,j;
1.135 noro 5063:
1.157 noro 5064: for ( i = j = 0; j < n; i++ )
5065: if ( svect[i] ) svect[i] = cvect[j++];
1.135 noro 5066: }
5067:
1.133 noro 5068: int ndv_reduce_vect_q(Q *svect,int trace,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
1.107 noro 5069: {
1.157 noro 5070: int i,j,k,len,pos,prev,nz;
5071: Q cs,mcs,c1,c2,cr,gcd,t;
5072: IndArray ivect;
5073: unsigned char *ivc;
5074: unsigned short *ivs;
5075: unsigned int *ivi;
5076: NDV redv;
5077: NMV mr;
5078: NODE rp;
5079: int maxrs;
5080: double hmag;
5081: Q *cvect;
5082:
5083: maxrs = 0;
5084: for ( i = 0; i < col && !svect[i]; i++ );
5085: if ( i == col ) return maxrs;
5086: hmag = p_mag((P)svect[i])*nd_scale;
5087: cvect = (Q *)ALLOCA(col*sizeof(Q));
5088: for ( i = 0; i < nred; i++ ) {
5089: ivect = imat[i];
5090: k = ivect->head;
5091: if ( svect[k] ) {
5092: maxrs = MAX(maxrs,rp0[i]->sugar);
5093: redv = trace?nd_ps_trace[rp0[i]->index]:nd_ps[rp0[i]->index];
5094: len = LEN(redv); mr = BDY(redv);
5095: igcd_cofactor(svect[k],CQ(mr),&gcd,&cs,&cr);
5096: chsgnq(cs,&mcs);
5097: if ( !UNIQ(cr) ) {
5098: for ( j = 0; j < col; j++ ) {
5099: mulq(svect[j],cr,&c1); svect[j] = c1;
5100: }
5101: }
5102: svect[k] = 0; prev = k;
5103: switch ( ivect->width ) {
5104: case 1:
5105: ivc = ivect->index.c;
5106: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5107: pos = prev+ivc[j]; prev = pos;
5108: mulq(CQ(mr),mcs,&c2); addq(svect[pos],c2,&t); svect[pos] = t;
5109: }
5110: break;
5111: case 2:
5112: ivs = ivect->index.s;
5113: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5114: pos = prev+ivs[j]; prev = pos;
5115: mulq(CQ(mr),mcs,&c2); addq(svect[pos],c2,&t); svect[pos] = t;
5116: }
5117: break;
5118: case 4:
5119: ivi = ivect->index.i;
5120: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5121: pos = prev+ivi[j]; prev = pos;
5122: mulq(CQ(mr),mcs,&c2); addq(svect[pos],c2,&t); svect[pos] = t;
5123: }
5124: break;
5125: }
5126: for ( j = k+1; j < col && !svect[j]; j++ );
5127: if ( j == col ) break;
5128: if ( hmag && ((double)p_mag((P)svect[j]) > hmag) ) {
5129: nz = compress_array(svect,cvect,col);
5130: removecont_array((P *)cvect,nz,1);
5131: expand_array(svect,cvect,nz);
5132: hmag = ((double)p_mag((P)svect[j]))*nd_scale;
5133: }
5134: }
5135: }
5136: nz = compress_array(svect,cvect,col);
5137: removecont_array((P *)cvect,nz,1);
5138: expand_array(svect,cvect,nz);
5139: if ( DP_Print ) {
5140: fprintf(asir_out,"-"); fflush(asir_out);
5141: }
5142: return maxrs;
1.107 noro 5143: }
5144:
1.76 noro 5145: int ndv_reduce_vect(int m,UINT *svect,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
1.65 noro 5146: {
1.157 noro 5147: int i,j,k,len,pos,prev;
5148: UINT c,c1,c2,c3,up,lo,dmy;
5149: IndArray ivect;
5150: unsigned char *ivc;
5151: unsigned short *ivs;
5152: unsigned int *ivi;
5153: NDV redv;
5154: NMV mr;
5155: NODE rp;
5156: int maxrs;
5157:
5158: maxrs = 0;
5159: for ( i = 0; i < nred; i++ ) {
5160: ivect = imat[i];
5161: k = ivect->head; svect[k] %= m;
5162: if ( c = svect[k] ) {
5163: maxrs = MAX(maxrs,rp0[i]->sugar);
5164: c = m-c; redv = nd_ps[rp0[i]->index];
5165: len = LEN(redv); mr = BDY(redv);
5166: svect[k] = 0; prev = k;
5167: switch ( ivect->width ) {
5168: case 1:
5169: ivc = ivect->index.c;
5170: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5171: pos = prev+ivc[j]; c1 = CM(mr); c2 = svect[pos];
5172: prev = pos;
5173: DMA(c1,c,c2,up,lo);
5174: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
5175: } else svect[pos] = lo;
5176: }
5177: break;
5178: case 2:
5179: ivs = ivect->index.s;
5180: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5181: pos = prev+ivs[j]; c1 = CM(mr); c2 = svect[pos];
5182: prev = pos;
5183: DMA(c1,c,c2,up,lo);
5184: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
5185: } else svect[pos] = lo;
5186: }
5187: break;
5188: case 4:
5189: ivi = ivect->index.i;
5190: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5191: pos = prev+ivi[j]; c1 = CM(mr); c2 = svect[pos];
5192: prev = pos;
5193: DMA(c1,c,c2,up,lo);
5194: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
5195: } else svect[pos] = lo;
5196: }
5197: break;
5198: }
5199: }
5200: }
5201: for ( i = 0; i < col; i++ )
5202: if ( svect[i] >= (UINT)m ) svect[i] %= m;
5203: return maxrs;
1.65 noro 5204: }
5205:
1.76 noro 5206: int ndv_reduce_vect_sf(int m,UINT *svect,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
1.72 noro 5207: {
1.157 noro 5208: int i,j,k,len,pos,prev;
5209: UINT c,c1,c2,c3,up,lo,dmy;
5210: IndArray ivect;
5211: unsigned char *ivc;
5212: unsigned short *ivs;
5213: unsigned int *ivi;
5214: NDV redv;
5215: NMV mr;
5216: NODE rp;
5217: int maxrs;
5218:
5219: maxrs = 0;
5220: for ( i = 0; i < nred; i++ ) {
5221: ivect = imat[i];
5222: k = ivect->head; svect[k] %= m;
5223: if ( c = svect[k] ) {
5224: maxrs = MAX(maxrs,rp0[i]->sugar);
5225: c = _chsgnsf(c); redv = nd_ps[rp0[i]->index];
5226: len = LEN(redv); mr = BDY(redv);
5227: svect[k] = 0; prev = k;
5228: switch ( ivect->width ) {
5229: case 1:
5230: ivc = ivect->index.c;
5231: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5232: pos = prev+ivc[j]; prev = pos;
5233: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
5234: }
5235: break;
5236: case 2:
5237: ivs = ivect->index.s;
5238: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5239: pos = prev+ivs[j]; prev = pos;
5240: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
5241: }
5242: break;
5243: case 4:
5244: ivi = ivect->index.i;
5245: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5246: pos = prev+ivi[j]; prev = pos;
5247: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
5248: }
5249: break;
5250: }
5251: }
5252: }
5253: return maxrs;
1.72 noro 5254: }
5255:
1.65 noro 5256: NDV vect_to_ndv(UINT *vect,int spcol,int col,int *rhead,UINT *s0vect)
5257: {
1.157 noro 5258: int j,k,len;
5259: UINT *p;
5260: UINT c;
5261: NDV r;
5262: NMV mr0,mr;
5263:
5264: for ( j = 0, len = 0; j < spcol; j++ ) if ( vect[j] ) len++;
5265: if ( !len ) return 0;
5266: else {
5267: mr0 = (NMV)GC_malloc_atomic_ignore_off_page(nmv_adv*len);
1.103 noro 5268: #if 0
1.157 noro 5269: ndv_alloc += nmv_adv*len;
1.103 noro 5270: #endif
1.157 noro 5271: mr = mr0;
5272: p = s0vect;
5273: for ( j = k = 0; j < col; j++, p += nd_wpd )
5274: if ( !rhead[j] ) {
5275: if ( c = vect[k++] ) {
5276: ndl_copy(p,DL(mr)); CM(mr) = c; NMV_ADV(mr);
5277: }
5278: }
5279: MKNDV(nd_nvar,mr0,len,r);
5280: return r;
5281: }
1.65 noro 5282: }
5283:
1.129 noro 5284: /* for preprocessed vector */
5285:
1.113 noro 5286: NDV vect_to_ndv_q(Q *vect,int spcol,int col,int *rhead,UINT *s0vect)
1.107 noro 5287: {
1.157 noro 5288: int j,k,len;
5289: UINT *p;
5290: Q c;
5291: NDV r;
5292: NMV mr0,mr;
5293:
5294: for ( j = 0, len = 0; j < spcol; j++ ) if ( vect[j] ) len++;
5295: if ( !len ) return 0;
5296: else {
5297: mr0 = (NMV)GC_malloc(nmv_adv*len);
1.107 noro 5298: #if 0
1.157 noro 5299: ndv_alloc += nmv_adv*len;
1.107 noro 5300: #endif
1.157 noro 5301: mr = mr0;
5302: p = s0vect;
5303: for ( j = k = 0; j < col; j++, p += nd_wpd )
5304: if ( !rhead[j] ) {
5305: if ( c = vect[k++] ) {
5306: if ( DN(c) )
5307: error("afo");
5308: ndl_copy(p,DL(mr)); CQ(mr) = c; NMV_ADV(mr);
5309: }
5310: }
5311: MKNDV(nd_nvar,mr0,len,r);
5312: return r;
5313: }
1.107 noro 5314: }
5315:
1.129 noro 5316: /* for plain vector */
5317:
5318: NDV plain_vect_to_ndv_q(Q *vect,int col,UINT *s0vect)
5319: {
1.157 noro 5320: int j,k,len;
5321: UINT *p;
5322: Q c;
5323: NDV r;
5324: NMV mr0,mr;
5325:
5326: for ( j = 0, len = 0; j < col; j++ ) if ( vect[j] ) len++;
5327: if ( !len ) return 0;
5328: else {
5329: mr0 = (NMV)GC_malloc(nmv_adv*len);
1.129 noro 5330: #if 0
1.157 noro 5331: ndv_alloc += nmv_adv*len;
1.129 noro 5332: #endif
1.157 noro 5333: mr = mr0;
5334: p = s0vect;
5335: for ( j = k = 0; j < col; j++, p += nd_wpd, k++ )
5336: if ( c = vect[k] ) {
5337: if ( DN(c) )
5338: error("afo");
5339: ndl_copy(p,DL(mr)); CQ(mr) = c; NMV_ADV(mr);
5340: }
5341: MKNDV(nd_nvar,mr0,len,r);
5342: return r;
5343: }
1.129 noro 5344: }
5345:
1.133 noro 5346: int nd_sp_f4(int m,int trace,ND_pairs l,PGeoBucket bucket)
1.65 noro 5347: {
1.157 noro 5348: ND_pairs t;
5349: NODE sp0,sp;
5350: int stat;
5351: ND spol;
5352:
5353: for ( t = l; t; t = NEXT(t) ) {
5354: stat = nd_sp(m,trace,t,&spol);
5355: if ( !stat ) return 0;
5356: if ( spol ) {
5357: add_pbucket_symbolic(bucket,spol);
5358: }
5359: }
5360: return 1;
1.65 noro 5361: }
5362:
1.133 noro 5363: int nd_symbolic_preproc(PGeoBucket bucket,int trace,UINT **s0vect,NODE *r)
1.65 noro 5364: {
1.157 noro 5365: NODE rp0,rp;
5366: NM mul,head,s0,s;
5367: int index,col,i,sugar;
5368: RHist h;
5369: UINT *s0v,*p;
5370: NM_ind_pair pair;
5371: ND red;
5372: NDV *ps;
5373:
5374: s0 = 0; rp0 = 0; col = 0;
5375: ps = trace?nd_ps_trace:nd_ps;
5376: while ( 1 ) {
5377: head = remove_head_pbucket_symbolic(bucket);
5378: if ( !head ) break;
5379: if ( !s0 ) s0 = head;
5380: else NEXT(s) = head;
5381: s = head;
5382: index = ndl_find_reducer(DL(head));
5383: if ( index >= 0 ) {
5384: h = nd_psh[index];
5385: NEWNM(mul);
5386: ndl_sub(DL(head),DL(h),DL(mul));
5387: if ( ndl_check_bound2(index,DL(mul)) ) return 0;
5388: sugar = TD(DL(mul))+SG(ps[index]);
5389: MKNM_ind_pair(pair,mul,index,sugar);
5390: red = ndv_mul_nm_symbolic(mul,ps[index]);
5391: add_pbucket_symbolic(bucket,nd_remove_head(red));
5392: NEXTNODE(rp0,rp); BDY(rp) = (pointer)pair;
5393: }
5394: col++;
5395: }
5396: if ( rp0 ) NEXT(rp) = 0;
5397: NEXT(s) = 0;
5398: s0v = (UINT *)MALLOC_ATOMIC(col*nd_wpd*sizeof(UINT));
5399: for ( i = 0, p = s0v, s = s0; i < col;
5400: i++, p += nd_wpd, s = NEXT(s) ) ndl_copy(DL(s),p);
5401: *s0vect = s0v;
5402: *r = rp0;
5403: return col;
1.65 noro 5404: }
5405:
1.167 noro 5406: NODE nd_f4(int m,int **indp)
1.69 noro 5407: {
1.157 noro 5408: int i,nh,stat,index;
5409: NODE r,g;
5410: ND_pairs d,l,t;
5411: ND spol,red;
5412: NDV nf,redv;
5413: NM s0,s;
5414: NODE rp0,srp0,nflist;
5415: int nsp,nred,col,rank,len,k,j,a;
5416: UINT c;
5417: UINT **spmat;
5418: UINT *s0vect,*svect,*p,*v;
5419: int *colstat;
5420: IndArray *imat;
5421: int *rhead;
5422: int spcol,sprow;
5423: int sugar;
5424: PGeoBucket bucket;
5425: struct oEGT eg0,eg1,eg_f4;
1.69 noro 5426:
1.103 noro 5427: #if 0
1.157 noro 5428: ndv_alloc = 0;
1.103 noro 5429: #endif
1.157 noro 5430: g = 0; d = 0;
5431: for ( i = 0; i < nd_psn; i++ ) {
1.168 noro 5432: d = update_pairs(d,g,i,0);
1.157 noro 5433: g = update_base(g,i);
5434: }
5435: while ( d ) {
5436: get_eg(&eg0);
5437: l = nd_minsugarp(d,&d);
5438: sugar = SG(l);
5439: bucket = create_pbucket();
5440: stat = nd_sp_f4(m,0,l,bucket);
5441: if ( !stat ) {
5442: for ( t = l; NEXT(t); t = NEXT(t) );
5443: NEXT(t) = d; d = l;
5444: d = nd_reconstruct(0,d);
5445: continue;
5446: }
5447: if ( bucket->m < 0 ) continue;
5448: col = nd_symbolic_preproc(bucket,0,&s0vect,&rp0);
5449: if ( !col ) {
5450: for ( t = l; NEXT(t); t = NEXT(t) );
5451: NEXT(t) = d; d = l;
5452: d = nd_reconstruct(0,d);
5453: continue;
5454: }
5455: get_eg(&eg1); init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg1);
5456: if ( DP_Print )
5457: fprintf(asir_out,"sugar=%d,symb=%fsec,",
5458: sugar,eg_f4.exectime+eg_f4.gctime);
5459: if ( 1 )
5460: nflist = nd_f4_red(m,l,0,s0vect,col,rp0,0);
5461: else
5462: nflist = nd_f4_red_dist(m,l,s0vect,col,rp0,0);
5463: /* adding new bases */
5464: for ( r = nflist; r; r = NEXT(r) ) {
5465: nf = (NDV)BDY(r);
5466: ndv_removecont(m,nf);
5467: if ( !m && nd_nalg ) {
5468: ND nf1;
5469:
5470: nf1 = ndvtond(m,nf);
5471: nd_monic(0,&nf1);
5472: nd_removecont(m,nf1);
5473: nf = ndtondv(m,nf1);
5474: }
5475: nh = ndv_newps(m,nf,0);
1.168 noro 5476: d = update_pairs(d,g,nh,0);
1.157 noro 5477: g = update_base(g,nh);
5478: }
5479: }
1.103 noro 5480: #if 0
1.157 noro 5481: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
1.103 noro 5482: #endif
1.167 noro 5483: conv_ilist(0,0,g,indp);
1.157 noro 5484: return g;
1.69 noro 5485: }
1.74 noro 5486:
1.167 noro 5487: NODE nd_f4_trace(int m,int **indp)
1.133 noro 5488: {
1.157 noro 5489: int i,nh,stat,index;
5490: NODE r,g;
5491: ND_pairs d,l,l0,t;
5492: ND spol,red;
5493: NDV nf,redv,nfqv,nfv;
5494: NM s0,s;
5495: NODE rp0,srp0,nflist;
5496: int nsp,nred,col,rank,len,k,j,a;
5497: UINT c;
5498: UINT **spmat;
5499: UINT *s0vect,*svect,*p,*v;
5500: int *colstat;
5501: IndArray *imat;
5502: int *rhead;
5503: int spcol,sprow;
5504: int sugar;
5505: PGeoBucket bucket;
5506: struct oEGT eg0,eg1,eg_f4;
5507:
5508: g = 0; d = 0;
5509: for ( i = 0; i < nd_psn; i++ ) {
1.168 noro 5510: d = update_pairs(d,g,i,0);
1.157 noro 5511: g = update_base(g,i);
5512: }
5513: while ( d ) {
5514: get_eg(&eg0);
5515: l = nd_minsugarp(d,&d);
5516: sugar = SG(l);
5517: bucket = create_pbucket();
5518: stat = nd_sp_f4(m,0,l,bucket);
5519: if ( !stat ) {
5520: for ( t = l; NEXT(t); t = NEXT(t) );
5521: NEXT(t) = d; d = l;
5522: d = nd_reconstruct(1,d);
5523: continue;
5524: }
5525: if ( bucket->m < 0 ) continue;
5526: col = nd_symbolic_preproc(bucket,0,&s0vect,&rp0);
5527: if ( !col ) {
5528: for ( t = l; NEXT(t); t = NEXT(t) );
5529: NEXT(t) = d; d = l;
5530: d = nd_reconstruct(1,d);
5531: continue;
5532: }
5533: get_eg(&eg1); init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg1);
5534: if ( DP_Print )
5535: fprintf(asir_out,"sugar=%d,symb=%fsec,",
5536: sugar,eg_f4.exectime+eg_f4.gctime);
5537: nflist = nd_f4_red(m,l,0,s0vect,col,rp0,&l0);
5538: if ( !l0 ) continue;
5539: l = l0;
5540:
5541: /* over Q */
5542: bucket = create_pbucket();
5543: stat = nd_sp_f4(0,1,l,bucket);
5544: if ( !stat ) {
5545: for ( t = l; NEXT(t); t = NEXT(t) );
5546: NEXT(t) = d; d = l;
5547: d = nd_reconstruct(1,d);
5548: continue;
5549: }
5550: if ( bucket->m < 0 ) continue;
5551: col = nd_symbolic_preproc(bucket,1,&s0vect,&rp0);
5552: if ( !col ) {
5553: for ( t = l; NEXT(t); t = NEXT(t) );
5554: NEXT(t) = d; d = l;
5555: d = nd_reconstruct(1,d);
5556: continue;
5557: }
5558: nflist = nd_f4_red(0,l,1,s0vect,col,rp0,0);
5559: /* adding new bases */
5560: for ( r = nflist; r; r = NEXT(r) ) {
5561: nfqv = (NDV)BDY(r);
5562: ndv_removecont(0,nfqv);
5563: if ( !rem(NM(HCQ(nfqv)),m) ) return 0;
5564: if ( nd_nalg ) {
5565: ND nf1;
5566:
5567: nf1 = ndvtond(m,nfqv);
5568: nd_monic(0,&nf1);
5569: nd_removecont(0,nf1);
5570: nfqv = ndtondv(0,nf1); nd_free(nf1);
5571: }
5572: nfv = ndv_dup(0,nfqv);
5573: ndv_mod(m,nfv);
5574: ndv_removecont(m,nfv);
5575: nh = ndv_newps(0,nfv,nfqv);
1.168 noro 5576: d = update_pairs(d,g,nh,0);
1.157 noro 5577: g = update_base(g,nh);
5578: }
5579: }
1.133 noro 5580: #if 0
1.157 noro 5581: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
1.133 noro 5582: #endif
1.167 noro 5583: conv_ilist(0,1,g,indp);
1.157 noro 5584: return g;
1.133 noro 5585: }
5586:
1.176 ! noro 5587: NODE nd_f4_pseudo_trace(int m,int **indp)
! 5588: {
! 5589: int i,nh,stat,index;
! 5590: NODE r,g;
! 5591: ND_pairs d,l,l0,t;
! 5592: ND spol,red;
! 5593: NDV nf,redv,nfqv,nfv;
! 5594: NM s0,s;
! 5595: NODE rp0,srp0,nflist;
! 5596: int nsp,nred,col,rank,len,k,j,a;
! 5597: UINT c;
! 5598: UINT **spmat;
! 5599: UINT *s0vect,*svect,*p,*v;
! 5600: int *colstat;
! 5601: IndArray *imat;
! 5602: int *rhead;
! 5603: int spcol,sprow;
! 5604: int sugar;
! 5605: PGeoBucket bucket;
! 5606: struct oEGT eg0,eg1,eg_f4;
! 5607:
! 5608: g = 0; d = 0;
! 5609: for ( i = 0; i < nd_psn; i++ ) {
! 5610: d = update_pairs(d,g,i,0);
! 5611: g = update_base(g,i);
! 5612: }
! 5613: while ( d ) {
! 5614: get_eg(&eg0);
! 5615: l = nd_minsugarp(d,&d);
! 5616: sugar = SG(l);
! 5617: bucket = create_pbucket();
! 5618: stat = nd_sp_f4(m,0,l,bucket);
! 5619: if ( !stat ) {
! 5620: for ( t = l; NEXT(t); t = NEXT(t) );
! 5621: NEXT(t) = d; d = l;
! 5622: d = nd_reconstruct(1,d);
! 5623: continue;
! 5624: }
! 5625: if ( bucket->m < 0 ) continue;
! 5626: col = nd_symbolic_preproc(bucket,0,&s0vect,&rp0);
! 5627: if ( !col ) {
! 5628: for ( t = l; NEXT(t); t = NEXT(t) );
! 5629: NEXT(t) = d; d = l;
! 5630: d = nd_reconstruct(1,d);
! 5631: continue;
! 5632: }
! 5633: get_eg(&eg1); init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg1);
! 5634: if ( DP_Print )
! 5635: fprintf(asir_out,"sugar=%d,symb=%fsec,",
! 5636: sugar,eg_f4.exectime+eg_f4.gctime);
! 5637: nflist = nd_f4_red(m,l,0,s0vect,col,rp0,&l0);
! 5638: if ( !l0 ) continue;
! 5639: l = l0;
! 5640:
! 5641: /* over Q */
! 5642: while ( 1 ) {
! 5643: bucket = create_pbucket();
! 5644: stat = nd_sp_f4(0,1,l,bucket);
! 5645: if ( !stat ) {
! 5646: for ( t = l; NEXT(t); t = NEXT(t) );
! 5647: NEXT(t) = d; d = l;
! 5648: d = nd_reconstruct(1,d);
! 5649: continue;
! 5650: }
! 5651: if ( bucket->m < 0 ) continue;
! 5652: col = nd_symbolic_preproc(bucket,1,&s0vect,&rp0);
! 5653: if ( !col ) {
! 5654: for ( t = l; NEXT(t); t = NEXT(t) );
! 5655: NEXT(t) = d; d = l;
! 5656: d = nd_reconstruct(1,d);
! 5657: continue;
! 5658: }
! 5659: nflist = nd_f4_red(0,l,1,s0vect,col,rp0,0);
! 5660: }
! 5661:
! 5662: /* adding new bases */
! 5663: for ( r = nflist; r; r = NEXT(r) ) {
! 5664: nfqv = (NDV)BDY(r);
! 5665: ndv_removecont(0,nfqv);
! 5666: if ( !rem(NM(HCQ(nfqv)),m) ) return 0;
! 5667: if ( nd_nalg ) {
! 5668: ND nf1;
! 5669:
! 5670: nf1 = ndvtond(m,nfqv);
! 5671: nd_monic(0,&nf1);
! 5672: nd_removecont(0,nf1);
! 5673: nfqv = ndtondv(0,nf1); nd_free(nf1);
! 5674: }
! 5675: nfv = ndv_dup(0,nfqv);
! 5676: ndv_mod(m,nfv);
! 5677: ndv_removecont(m,nfv);
! 5678: nh = ndv_newps(0,nfv,nfqv);
! 5679: d = update_pairs(d,g,nh,0);
! 5680: g = update_base(g,nh);
! 5681: }
! 5682: }
! 5683: #if 0
! 5684: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
! 5685: #endif
! 5686: conv_ilist(0,1,g,indp);
! 5687: return g;
! 5688: }
! 5689:
1.133 noro 5690: NODE nd_f4_red(int m,ND_pairs sp0,int trace,UINT *s0vect,int col,NODE rp0,ND_pairs *nz)
1.63 noro 5691: {
1.157 noro 5692: IndArray *imat;
5693: int nsp,nred,i;
5694: int *rhead;
5695: NODE r0,rp;
5696: ND_pairs sp;
5697: NM_ind_pair *rvect;
5698:
5699: for ( sp = sp0, nsp = 0; sp; sp = NEXT(sp), nsp++ );
5700: nred = length(rp0);
5701: imat = (IndArray *)ALLOCA(nred*sizeof(IndArray));
5702: rhead = (int *)ALLOCA(col*sizeof(int));
5703: for ( i = 0; i < col; i++ ) rhead[i] = 0;
5704:
5705: /* construction of index arrays */
5706: rvect = (NM_ind_pair *)ALLOCA(nred*sizeof(NM_ind_pair));
5707: for ( rp = rp0, i = 0; rp; i++, rp = NEXT(rp) ) {
5708: rvect[i] = (NM_ind_pair)BDY(rp);
5709: imat[i] = nm_ind_pair_to_vect_compress(m,s0vect,col,rvect[i]);
5710: rhead[imat[i]->head] = 1;
5711: }
5712: if ( m )
5713: r0 = nd_f4_red_main(m,sp0,nsp,s0vect,col,rvect,rhead,imat,nred,nz);
5714: else
5715: r0 = nd_f4_red_q_main(sp0,nsp,trace,s0vect,col,rvect,rhead,imat,nred);
5716: return r0;
1.106 noro 5717: }
1.74 noro 5718:
1.106 noro 5719: NODE nd_f4_red_main(int m,ND_pairs sp0,int nsp,UINT *s0vect,int col,
1.133 noro 5720: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred,ND_pairs *nz)
1.106 noro 5721: {
1.157 noro 5722: int spcol,sprow,a;
5723: int i,j,k,l,rank;
5724: NODE r0,r;
5725: ND_pairs sp;
5726: ND spol;
5727: int **spmat;
5728: UINT *svect,*v;
5729: int *colstat;
5730: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
5731: int maxrs;
5732: int *spsugar;
5733: ND_pairs *spactive;
5734:
5735: spcol = col-nred;
5736: get_eg(&eg0);
5737: /* elimination (1st step) */
5738: spmat = (int **)ALLOCA(nsp*sizeof(UINT *));
5739: svect = (UINT *)ALLOCA(col*sizeof(UINT));
5740: spsugar = (int *)ALLOCA(nsp*sizeof(UINT));
5741: spactive = !nz?0:(ND_pairs *)ALLOCA(nsp*sizeof(ND_pairs));
5742: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
5743: nd_sp(m,0,sp,&spol);
5744: if ( !spol ) continue;
5745: nd_to_vect(m,s0vect,col,spol,svect);
5746: if ( m == -1 )
5747: maxrs = ndv_reduce_vect_sf(m,svect,col,imat,rvect,nred);
5748: else
5749: maxrs = ndv_reduce_vect(m,svect,col,imat,rvect,nred);
5750: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
5751: if ( i < col ) {
5752: spmat[sprow] = v = (UINT *)MALLOC_ATOMIC(spcol*sizeof(UINT));
5753: for ( j = k = 0; j < col; j++ )
5754: if ( !rhead[j] ) v[k++] = svect[j];
5755: spsugar[sprow] = MAX(maxrs,SG(spol));
5756: if ( nz )
5757: spactive[sprow] = sp;
5758: sprow++;
5759: }
5760: nd_free(spol);
5761: }
5762: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1);
5763: if ( DP_Print ) {
5764: fprintf(asir_out,"elim1=%fsec,",eg_f4_1.exectime+eg_f4_1.gctime);
5765: fflush(asir_out);
5766: }
5767: /* free index arrays */
5768: for ( i = 0; i < nred; i++ ) GC_free(imat[i]->index.c);
5769:
5770: /* elimination (2nd step) */
5771: colstat = (int *)ALLOCA(spcol*sizeof(int));
5772: if ( m == -1 )
5773: rank = nd_gauss_elim_sf(spmat,spsugar,sprow,spcol,m,colstat);
5774: else
5775: rank = nd_gauss_elim_mod(spmat,spsugar,spactive,sprow,spcol,m,colstat);
5776: r0 = 0;
5777: for ( i = 0; i < rank; i++ ) {
5778: NEXTNODE(r0,r); BDY(r) =
5779: (pointer)vect_to_ndv(spmat[i],spcol,col,rhead,s0vect);
5780: SG((NDV)BDY(r)) = spsugar[i];
5781: GC_free(spmat[i]);
5782: }
5783: if ( r0 ) NEXT(r) = 0;
5784:
5785: for ( ; i < sprow; i++ ) GC_free(spmat[i]);
5786: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2);
5787: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
5788: if ( DP_Print ) {
5789: fprintf(asir_out,"elim2=%fsec\n",eg_f4_2.exectime+eg_f4_2.gctime);
5790: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
5791: nsp,nred,sprow,spcol,rank);
5792: fprintf(asir_out,"%fsec\n",eg_f4.exectime+eg_f4.gctime);
5793: }
5794: if ( nz ) {
5795: for ( i = 0; i < rank-1; i++ ) NEXT(spactive[i]) = spactive[i+1];
5796: if ( rank > 0 ) {
5797: NEXT(spactive[rank-1]) = 0;
5798: *nz = spactive[0];
5799: } else
5800: *nz = 0;
5801: }
5802: return r0;
1.74 noro 5803: }
5804:
1.133 noro 5805: #if 1
5806: NODE nd_f4_red_q_main(ND_pairs sp0,int nsp,int trace,UINT *s0vect,int col,
1.107 noro 5807: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred)
5808: {
1.157 noro 5809: int spcol,sprow,a;
5810: int i,j,k,l,rank;
5811: NODE r0,r;
5812: ND_pairs sp;
5813: ND spol;
5814: Q **spmat;
5815: Q *svect,*v;
5816: int *colstat;
5817: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
5818: int maxrs;
5819: int *spsugar;
5820: pointer *w;
5821:
5822: spcol = col-nred;
5823: get_eg(&eg0);
5824: /* elimination (1st step) */
5825: spmat = (Q **)ALLOCA(nsp*sizeof(Q *));
5826: svect = (Q *)ALLOCA(col*sizeof(Q));
5827: spsugar = (int *)ALLOCA(nsp*sizeof(Q));
5828: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
5829: nd_sp(0,trace,sp,&spol);
5830: if ( !spol ) continue;
5831: nd_to_vect_q(s0vect,col,spol,svect);
5832: maxrs = ndv_reduce_vect_q(svect,trace,col,imat,rvect,nred);
5833: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
5834: if ( i < col ) {
5835: spmat[sprow] = v = (Q *)MALLOC(spcol*sizeof(Q));
5836: for ( j = k = 0; j < col; j++ )
5837: if ( !rhead[j] ) v[k++] = svect[j];
5838: spsugar[sprow] = MAX(maxrs,SG(spol));
5839: sprow++;
5840: }
5841: /* nd_free(spol); */
5842: }
5843: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1);
5844: if ( DP_Print ) {
5845: fprintf(asir_out,"elim1=%fsec,",eg_f4_1.exectime+eg_f4_1.gctime);
5846: fflush(asir_out);
5847: }
5848: /* free index arrays */
5849: /* for ( i = 0; i < nred; i++ ) GC_free(imat[i]->index.c); */
5850:
5851: /* elimination (2nd step) */
5852: colstat = (int *)ALLOCA(spcol*sizeof(int));
5853: rank = nd_gauss_elim_q(spmat,spsugar,sprow,spcol,colstat);
5854: w = (pointer *)ALLOCA(rank*sizeof(pointer));
5855: for ( i = 0; i < rank; i++ ) {
5856: w[rank-i-1] = (pointer)vect_to_ndv_q(spmat[i],spcol,col,rhead,s0vect);
5857: SG((NDV)w[rank-i-1]) = spsugar[i];
5858: /* GC_free(spmat[i]); */
5859: }
1.138 noro 5860: #if 0
1.157 noro 5861: qsort(w,rank,sizeof(NDV),
5862: (int (*)(const void *,const void *))ndv_compare);
1.137 noro 5863: #endif
1.157 noro 5864: r0 = 0;
5865: for ( i = 0; i < rank; i++ ) {
5866: NEXTNODE(r0,r); BDY(r) = w[i];
5867: }
5868: if ( r0 ) NEXT(r) = 0;
5869:
5870: /* for ( ; i < sprow; i++ ) GC_free(spmat[i]); */
5871: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2);
5872: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
5873: if ( DP_Print ) {
5874: fprintf(asir_out,"elim2=%fsec\n",eg_f4_2.exectime+eg_f4_2.gctime);
5875: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
5876: nsp,nred,sprow,spcol,rank);
5877: fprintf(asir_out,"%fsec\n",eg_f4.exectime+eg_f4.gctime);
5878: }
5879: return r0;
1.107 noro 5880: }
1.129 noro 5881: #else
5882: void printm(Q **mat,int row,int col)
5883: {
1.157 noro 5884: int i,j;
5885: printf("[");
5886: for ( i = 0; i < row; i++ ) {
5887: for ( j = 0; j < col; j++ ) {
5888: printexpr(CO,mat[i][j]); printf(" ");
5889: }
5890: printf("]\n");
5891: }
1.129 noro 5892: }
5893:
5894: NODE nd_f4_red_q_main(ND_pairs sp0,int nsp,UINT *s0vect,int col,
5895: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred)
5896: {
1.157 noro 5897: int row,a;
5898: int i,j,rank;
5899: NODE r0,r;
5900: ND_pairs sp;
5901: ND spol;
5902: Q **mat;
5903: int *colstat;
5904: int *sugar;
5905:
5906: row = nsp+nred;
5907: /* make the matrix */
5908: mat = (Q **)ALLOCA(row*sizeof(Q *));
5909: sugar = (int *)ALLOCA(row*sizeof(int));
5910: for ( row = a = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
5911: nd_sp(0,0,sp,&spol);
5912: if ( !spol ) continue;
5913: mat[row] = (Q *)MALLOC(col*sizeof(Q));
5914: nd_to_vect_q(s0vect,col,spol,mat[row]);
5915: sugar[row] = SG(spol);
5916: row++;
5917: }
5918: for ( i = 0; i < nred; i++, row++ ) {
5919: mat[row] = nm_ind_pair_to_vect(0,s0vect,col,rvect[i]);
5920: sugar[row] = rvect[i]->sugar;
5921: }
5922: /* elimination */
5923: colstat = (int *)ALLOCA(col*sizeof(int));
5924: rank = nd_gauss_elim_q(mat,sugar,row,col,colstat);
5925: r0 = 0;
5926: for ( i = 0; i < rank; i++ ) {
5927: for ( j = 0; j < col; j++ ) if ( mat[i][j] ) break;
5928: if ( j == col ) error("nd_f4_red_q_main : cannot happen");
5929: if ( rhead[j] ) continue;
5930: NEXTNODE(r0,r); BDY(r) =
5931: (pointer)plain_vect_to_ndv_q(mat[i],col,s0vect);
5932: SG((NDV)BDY(r)) = sugar[i];
5933: }
5934: if ( r0 ) NEXT(r) = 0;
5935: printf("\n");
5936: return r0;
1.129 noro 5937: }
5938: #endif
1.107 noro 5939:
1.74 noro 5940: FILE *nd_write,*nd_read;
5941:
5942: void nd_send_int(int a) {
1.157 noro 5943: write_int(nd_write,&a);
1.74 noro 5944: }
5945:
5946: void nd_send_intarray(int *p,int len) {
1.157 noro 5947: write_intarray(nd_write,p,len);
1.74 noro 5948: }
5949:
5950: int nd_recv_int() {
1.157 noro 5951: int a;
1.74 noro 5952:
1.157 noro 5953: read_int(nd_read,&a);
5954: return a;
1.74 noro 5955: }
5956:
5957: void nd_recv_intarray(int *p,int len) {
1.157 noro 5958: read_intarray(nd_read,p,len);
1.74 noro 5959: }
5960:
5961: void nd_send_ndv(NDV p) {
1.157 noro 5962: int len,i;
5963: NMV m;
1.74 noro 5964:
1.157 noro 5965: if ( !p ) nd_send_int(0);
5966: else {
5967: len = LEN(p);
5968: nd_send_int(len);
5969: m = BDY(p);
5970: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
5971: nd_send_int(CM(m));
5972: nd_send_intarray(DL(m),nd_wpd);
5973: }
5974: }
1.74 noro 5975: }
5976:
5977: void nd_send_nd(ND p) {
1.157 noro 5978: int len,i;
5979: NM m;
1.74 noro 5980:
1.157 noro 5981: if ( !p ) nd_send_int(0);
5982: else {
5983: len = LEN(p);
5984: nd_send_int(len);
5985: m = BDY(p);
5986: for ( i = 0; i < len; i++, m = NEXT(m) ) {
5987: nd_send_int(CM(m));
5988: nd_send_intarray(DL(m),nd_wpd);
5989: }
5990: }
1.74 noro 5991: }
1.65 noro 5992:
1.74 noro 5993: NDV nd_recv_ndv()
5994: {
1.157 noro 5995: int len,i;
5996: NMV m,m0;
5997: NDV r;
5998:
5999: len = nd_recv_int();
6000: if ( !len ) return 0;
6001: else {
6002: m0 = m = (NMV)GC_malloc_atomic_ignore_off_page(nmv_adv*len);
1.103 noro 6003: #if 0
1.157 noro 6004: ndv_alloc += len*nmv_adv;
1.103 noro 6005: #endif
1.157 noro 6006: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6007: CM(m) = nd_recv_int();
6008: nd_recv_intarray(DL(m),nd_wpd);
6009: }
6010: MKNDV(nd_nvar,m0,len,r);
6011: return r;
6012: }
1.74 noro 6013: }
1.65 noro 6014:
1.74 noro 6015: int ox_exec_f4_red(Q proc)
6016: {
1.157 noro 6017: Obj obj;
6018: STRING fname;
6019: NODE arg;
6020: int s;
6021: extern int ox_need_conv,ox_file_io;
6022:
6023: MKSTR(fname,"nd_exec_f4_red");
6024: arg = mknode(2,proc,fname);
6025: Pox_cmo_rpc(arg,&obj);
6026: s = get_ox_server_id(QTOS(proc));
6027: nd_write = iofp[s].out;
6028: nd_read = iofp[s].in;
6029: ox_need_conv = ox_file_io = 0;
6030: return s;
1.74 noro 6031: }
6032:
1.133 noro 6033: NODE nd_f4_red_dist(int m,ND_pairs sp0,UINT *s0vect,int col,NODE rp0,ND_pairs *nz)
1.74 noro 6034: {
1.157 noro 6035: int nsp,nred;
6036: int i,rank,s;
6037: NODE rp,r0,r;
6038: ND_pairs sp;
6039: NM_ind_pair pair;
6040: NMV nmv;
6041: NM nm;
6042: NDV nf;
6043: Obj proc,dmy;
6044:
6045: ox_launch_main(0,0,&proc);
6046: s = ox_exec_f4_red((Q)proc);
6047:
6048: nd_send_int(m);
6049: nd_send_int(nd_nvar);
6050: nd_send_int(nd_bpe);
6051: nd_send_int(nd_wpd);
6052: nd_send_int(nmv_adv);
6053:
6054: saveobj(nd_write,dp_current_spec->obj); fflush(nd_write);
6055:
6056: nd_send_int(nd_psn);
6057: for ( i = 0; i < nd_psn; i++ ) nd_send_ndv(nd_ps[i]);
6058:
6059: for ( sp = sp0, nsp = 0; sp; sp = NEXT(sp), nsp++ );
6060: nd_send_int(nsp);
6061: for ( i = 0, sp = sp0; i < nsp; i++, sp = NEXT(sp) ) {
6062: nd_send_int(sp->i1); nd_send_int(sp->i2);
6063: }
6064:
6065: nd_send_int(col); nd_send_intarray(s0vect,col*nd_wpd);
6066:
6067: nred = length(rp0); nd_send_int(nred);
6068: for ( i = 0, rp = rp0; i < nred; i++, rp = NEXT(rp) ) {
6069: pair = (NM_ind_pair)BDY(rp);
6070: nd_send_int(pair->index);
6071: nd_send_intarray(pair->mul->dl,nd_wpd);
6072: }
6073: fflush(nd_write);
6074: rank = nd_recv_int();
6075: fprintf(asir_out,"rank=%d\n",rank);
6076: r0 = 0;
6077: for ( i = 0; i < rank; i++ ) {
6078: nf = nd_recv_ndv();
6079: NEXTNODE(r0,r); BDY(r) = (pointer)nf;
6080: }
6081: Pox_shutdown(mknode(1,proc),&dmy);
6082: return r0;
1.74 noro 6083: }
6084:
6085: /* server side */
6086:
6087: void nd_exec_f4_red_dist()
6088: {
1.157 noro 6089: int m,i,nsp,col,s0size,nred,spcol,j,k;
6090: NM_ind_pair *rp0;
6091: NDV nf;
6092: UINT *s0vect;
6093: IndArray *imat;
6094: int *rhead;
6095: int **spmat;
6096: UINT *svect,*v;
6097: ND_pairs *sp0;
6098: int *colstat;
6099: int a,sprow,rank;
6100: struct order_spec *ord;
6101: Obj ordspec;
6102: ND spol;
6103: int maxrs;
6104: int *spsugar;
6105:
6106: nd_read = iofp[0].in;
6107: nd_write = iofp[0].out;
6108: m = nd_recv_int();
6109: nd_nvar = nd_recv_int();
6110: nd_bpe = nd_recv_int();
6111: nd_wpd = nd_recv_int();
6112: nmv_adv = nd_recv_int();
6113:
6114: loadobj(nd_read,&ordspec);
6115: create_order_spec(0,ordspec,&ord);
6116: nd_init_ord(ord);
6117: nd_setup_parameters(nd_nvar,0);
6118:
6119: nd_psn = nd_recv_int();
6120: nd_ps = (NDV *)MALLOC(nd_psn*sizeof(NDV));
6121: nd_bound = (UINT **)MALLOC(nd_psn*sizeof(UINT *));
6122: for ( i = 0; i < nd_psn; i++ ) {
6123: nd_ps[i] = nd_recv_ndv();
6124: nd_bound[i] = ndv_compute_bound(nd_ps[i]);
6125: }
6126:
6127: nsp = nd_recv_int();
6128: sp0 = (ND_pairs *)MALLOC(nsp*sizeof(ND_pairs));
6129: for ( i = 0; i < nsp; i++ ) {
6130: NEWND_pairs(sp0[i]);
6131: sp0[i]->i1 = nd_recv_int(); sp0[i]->i2 = nd_recv_int();
6132: ndl_lcm(HDL(nd_ps[sp0[i]->i1]),HDL(nd_ps[sp0[i]->i2]),LCM(sp0[i]));
6133: }
6134:
6135: col = nd_recv_int();
6136: s0size = col*nd_wpd;
6137: s0vect = (UINT *)MALLOC(s0size*sizeof(UINT));
6138: nd_recv_intarray(s0vect,s0size);
6139:
6140: nred = nd_recv_int();
6141: rp0 = (NM_ind_pair *)MALLOC(nred*sizeof(NM_ind_pair));
6142: for ( i = 0; i < nred; i++ ) {
6143: rp0[i] = (NM_ind_pair)MALLOC(sizeof(struct oNM_ind_pair));
6144: rp0[i]->index = nd_recv_int();
6145: rp0[i]->mul = (NM)MALLOC(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
6146: nd_recv_intarray(rp0[i]->mul->dl,nd_wpd);
6147: }
6148:
6149: spcol = col-nred;
6150: imat = (IndArray *)MALLOC(nred*sizeof(IndArray));
6151: rhead = (int *)MALLOC(col*sizeof(int));
6152: for ( i = 0; i < col; i++ ) rhead[i] = 0;
6153:
6154: /* construction of index arrays */
6155: for ( i = 0; i < nred; i++ ) {
6156: imat[i] = nm_ind_pair_to_vect_compress(m,s0vect,col,rp0[i]);
6157: rhead[imat[i]->head] = 1;
6158: }
6159:
6160: /* elimination (1st step) */
6161: spmat = (int **)MALLOC(nsp*sizeof(UINT *));
6162: svect = (UINT *)MALLOC(col*sizeof(UINT));
6163: spsugar = (int *)ALLOCA(nsp*sizeof(UINT));
6164: for ( a = sprow = 0; a < nsp; a++ ) {
6165: nd_sp(m,0,sp0[a],&spol);
6166: if ( !spol ) continue;
6167: nd_to_vect(m,s0vect,col,spol,svect);
6168: if ( m == -1 )
6169: maxrs = ndv_reduce_vect_sf(m,svect,col,imat,rp0,nred);
6170: else
6171: maxrs = ndv_reduce_vect(m,svect,col,imat,rp0,nred);
6172: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
6173: if ( i < col ) {
6174: spmat[sprow] = v = (UINT *)MALLOC(spcol*sizeof(UINT));
6175: for ( j = k = 0; j < col; j++ )
6176: if ( !rhead[j] ) v[k++] = svect[j];
6177: spsugar[sprow] = MAX(maxrs,SG(spol));
6178: sprow++;
6179: }
6180: nd_free(spol);
6181: }
6182: /* elimination (2nd step) */
6183: colstat = (int *)ALLOCA(spcol*sizeof(int));
6184: if ( m == -1 )
6185: rank = nd_gauss_elim_sf(spmat,spsugar,sprow,spcol,m,colstat);
6186: else
6187: rank = nd_gauss_elim_mod(spmat,spsugar,0,sprow,spcol,m,colstat);
6188: nd_send_int(rank);
6189: for ( i = 0; i < rank; i++ ) {
6190: nf = vect_to_ndv(spmat[i],spcol,col,rhead,s0vect);
6191: nd_send_ndv(nf);
6192: }
6193: fflush(nd_write);
1.107 noro 6194: }
6195:
1.113 noro 6196: int nd_gauss_elim_q(Q **mat0,int *sugar,int row,int col,int *colstat)
1.107 noro 6197: {
1.176 ! noro 6198: int i,j,t,c,rank,inv;
1.157 noro 6199: int *ci,*ri;
6200: Q dn;
6201: MAT m,nm;
6202:
6203: NEWMAT(m); m->row = row; m->col = col; m->body = (pointer **)mat0;
6204: rank = generic_gauss_elim(m,&nm,&dn,&ri,&ci);
6205: for ( i = 0; i < row; i++ )
6206: for ( j = 0; j < col; j++ )
6207: mat0[i][j] = 0;
6208: c = col-rank;
6209: for ( i = 0; i < rank; i++ ) {
6210: mat0[i][ri[i]] = dn;
6211: for ( j = 0; j < c; j++ )
6212: mat0[i][ci[j]] = (Q)BDY(nm)[i][j];
6213: }
6214: return rank;
1.76 noro 6215: }
6216:
1.133 noro 6217: int nd_gauss_elim_mod(int **mat0,int *sugar,ND_pairs *spactive,int row,int col,int md,int *colstat)
1.76 noro 6218: {
1.157 noro 6219: int i,j,k,l,inv,a,rank,s;
6220: unsigned int *t,*pivot,*pk;
6221: unsigned int **mat;
6222: ND_pairs pair;
6223:
6224: mat = (unsigned int **)mat0;
6225: for ( rank = 0, j = 0; j < col; j++ ) {
6226: for ( i = rank; i < row; i++ )
6227: mat[i][j] %= md;
6228: for ( i = rank; i < row; i++ )
6229: if ( mat[i][j] )
6230: break;
6231: if ( i == row ) {
6232: colstat[j] = 0;
6233: continue;
6234: } else
6235: colstat[j] = 1;
6236: if ( i != rank ) {
6237: t = mat[i]; mat[i] = mat[rank]; mat[rank] = t;
6238: s = sugar[i]; sugar[i] = sugar[rank]; sugar[rank] = s;
6239: if ( spactive ) {
6240: pair = spactive[i]; spactive[i] = spactive[rank];
6241: spactive[rank] = pair;
6242: }
6243: }
6244: pivot = mat[rank];
6245: s = sugar[rank];
6246: inv = invm(pivot[j],md);
6247: for ( k = j, pk = pivot+k; k < col; k++, pk++ )
6248: if ( *pk ) {
6249: if ( *pk >= (unsigned int)md )
6250: *pk %= md;
6251: DMAR(*pk,inv,0,md,*pk)
6252: }
6253: for ( i = rank+1; i < row; i++ ) {
6254: t = mat[i];
6255: if ( a = t[j] ) {
6256: sugar[i] = MAX(sugar[i],s);
6257: red_by_vect(md,t+j,pivot+j,md-a,col-j);
6258: }
6259: }
6260: rank++;
6261: }
6262: for ( j = col-1, l = rank-1; j >= 0; j-- )
6263: if ( colstat[j] ) {
6264: pivot = mat[l];
6265: s = sugar[l];
6266: for ( i = 0; i < l; i++ ) {
6267: t = mat[i];
6268: t[j] %= md;
6269: if ( a = t[j] ) {
6270: sugar[i] = MAX(sugar[i],s);
6271: red_by_vect(md,t+j,pivot+j,md-a,col-j);
6272: }
6273: }
6274: l--;
6275: }
6276: for ( j = 0, l = 0; l < rank; j++ )
6277: if ( colstat[j] ) {
6278: t = mat[l];
6279: for ( k = j; k < col; k++ )
6280: if ( t[k] >= (unsigned int)md )
6281: t[k] %= md;
6282: l++;
6283: }
6284: return rank;
1.76 noro 6285: }
6286:
6287: int nd_gauss_elim_sf(int **mat0,int *sugar,int row,int col,int md,int *colstat)
6288: {
1.157 noro 6289: int i,j,k,l,inv,a,rank,s;
6290: unsigned int *t,*pivot,*pk;
6291: unsigned int **mat;
6292:
6293: mat = (unsigned int **)mat0;
6294: for ( rank = 0, j = 0; j < col; j++ ) {
6295: for ( i = rank; i < row; i++ )
6296: if ( mat[i][j] )
6297: break;
6298: if ( i == row ) {
6299: colstat[j] = 0;
6300: continue;
6301: } else
6302: colstat[j] = 1;
6303: if ( i != rank ) {
6304: t = mat[i]; mat[i] = mat[rank]; mat[rank] = t;
6305: s = sugar[i]; sugar[i] = sugar[rank]; sugar[rank] = s;
6306: }
6307: pivot = mat[rank];
6308: s = sugar[rank];
6309: inv = _invsf(pivot[j]);
6310: for ( k = j, pk = pivot+k; k < col; k++, pk++ )
6311: if ( *pk )
6312: *pk = _mulsf(*pk,inv);
6313: for ( i = rank+1; i < row; i++ ) {
6314: t = mat[i];
6315: if ( a = t[j] ) {
6316: sugar[i] = MAX(sugar[i],s);
6317: red_by_vect_sf(md,t+j,pivot+j,_chsgnsf(a),col-j);
6318: }
6319: }
6320: rank++;
6321: }
6322: for ( j = col-1, l = rank-1; j >= 0; j-- )
6323: if ( colstat[j] ) {
6324: pivot = mat[l];
6325: s = sugar[l];
6326: for ( i = 0; i < l; i++ ) {
6327: t = mat[i];
6328: if ( a = t[j] ) {
6329: sugar[i] = MAX(sugar[i],s);
6330: red_by_vect_sf(md,t+j,pivot+j,_chsgnsf(a),col-j);
6331: }
6332: }
6333: l--;
6334: }
6335: return rank;
1.77 noro 6336: }
6337:
6338: int ndv_ishomo(NDV p)
6339: {
1.157 noro 6340: NMV m;
6341: int len,h;
1.77 noro 6342:
1.157 noro 6343: if ( !p ) return 1;
6344: len = LEN(p);
6345: m = BDY(p);
6346: h = TD(DL(m));
6347: NMV_ADV(m);
6348: for ( len--; len; len--, NMV_ADV(m) )
6349: if ( TD(DL(m)) != h ) return 0;
6350: return 1;
1.77 noro 6351: }
6352:
6353: void ndv_save(NDV p,int index)
6354: {
1.157 noro 6355: FILE *s;
6356: char name[BUFSIZ];
6357: short id;
6358: int nv,sugar,len,n,i,td,e,j;
6359: NMV m;
6360: unsigned int *dl;
6361: int mpos;
6362:
6363: sprintf(name,"%s/%d",Demand,index);
6364: s = fopen(name,"w");
6365: savevl(s,0);
6366: if ( !p ) {
6367: saveobj(s,0);
6368: return;
6369: }
6370: id = O_DP;
6371: nv = NV(p);
6372: sugar = SG(p);
6373: len = LEN(p);
6374: write_short(s,&id); write_int(s,&nv); write_int(s,&sugar);
6375: write_int(s,&len);
6376:
6377: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
6378: saveobj(s,(Obj)CQ(m));
6379: dl = DL(m);
6380: td = TD(dl);
6381: write_int(s,&td);
6382: for ( j = 0; j < nv; j++ ) {
6383: e = GET_EXP(dl,j);
6384: write_int(s,&e);
6385: }
6386: if ( nd_module ) {
6387: mpos = MPOS(dl); write_int(s,&mpos);
6388: }
6389: }
6390: fclose(s);
1.77 noro 6391: }
6392:
6393: NDV ndv_load(int index)
6394: {
1.157 noro 6395: FILE *s;
6396: char name[BUFSIZ];
6397: short id;
6398: int nv,sugar,len,n,i,td,e,j;
6399: NDV d;
6400: NMV m0,m;
6401: unsigned int *dl;
6402: Obj obj;
6403: int mpos;
6404:
6405: sprintf(name,"%s/%d",Demand,index);
6406: s = fopen(name,"r");
6407: if ( !s ) return 0;
6408:
6409: skipvl(s);
6410: read_short(s,&id);
6411: if ( !id ) return 0;
6412: read_int(s,&nv);
6413: read_int(s,&sugar);
6414: read_int(s,&len);
6415:
6416: m0 = m = MALLOC(len*nmv_adv);
6417: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6418: loadobj(s,&obj); CQ(m) = (Q)obj;
6419: dl = DL(m);
6420: ndl_zero(dl);
6421: read_int(s,&td); TD(dl) = td;
6422: for ( j = 0; j < nv; j++ ) {
6423: read_int(s,&e);
6424: PUT_EXP(dl,j,e);
6425: }
6426: if ( nd_module ) {
6427: read_int(s,&mpos); MPOS(dl) = mpos;
6428: }
6429: if ( nd_blockmask ) ndl_weight_mask(dl);
6430: }
6431: fclose(s);
6432: MKNDV(nv,m0,len,d);
6433: SG(d) = sugar;
6434: return d;
1.99 noro 6435: }
6436:
1.102 noro 6437: void nd_det(int mod,MAT f,P *rp)
1.99 noro 6438: {
1.157 noro 6439: VL fv,tv;
6440: int n,i,j,max,e,nvar,sgn,k0,l0,len0,len,k,l,a;
6441: pointer **m;
6442: Q mone;
6443: P **w;
6444: P mp,r;
6445: NDV **dm;
6446: NDV *t,*mi,*mj;
6447: NDV d,s,mij,mjj;
6448: ND u;
6449: NMV nmv;
6450: UINT *bound;
6451: PGeoBucket bucket;
6452: struct order_spec *ord;
6453: Q dq,dt,ds;
6454: N gn,qn,dn0,nm,dn;
6455:
6456: create_order_spec(0,0,&ord);
6457: nd_init_ord(ord);
6458: get_vars((Obj)f,&fv);
6459: if ( f->row != f->col )
6460: error("nd_det : non-square matrix");
6461: n = f->row;
6462: m = f->body;
6463: for ( nvar = 0, tv = fv; tv; tv = NEXT(tv), nvar++ );
6464:
6465: if ( !nvar ) {
6466: if ( !mod )
6467: detp(CO,(P **)m,n,rp);
6468: else {
6469: w = (P **)almat_pointer(n,n);
6470: for ( i = 0; i < n; i++ )
6471: for ( j = 0; j < n; j++ )
6472: ptomp(mod,(P)m[i][j],&w[i][j]);
6473: detmp(CO,mod,w,n,&mp);
6474: mptop(mp,rp);
6475: }
6476: return;
6477: }
6478:
6479: if ( !mod ) {
6480: w = (P **)almat_pointer(n,n);
6481: dq = ONE;
6482: for ( i = 0; i < n; i++ ) {
6483: dn0 = ONEN;
6484: for ( j = 0; j < n; j++ ) {
6485: if ( !m[i][j] ) continue;
6486: lgp(m[i][j],&nm,&dn);
6487: gcdn(dn0,dn,&gn); divsn(dn0,gn,&qn); muln(qn,dn,&dn0);
6488: }
6489: if ( !UNIN(dn0) ) {
6490: NTOQ(dn0,1,ds);
6491: for ( j = 0; j < n; j++ )
6492: mulp(CO,(P)m[i][j],(P)ds,&w[i][j]);
6493: mulq(dq,ds,&dt); dq = dt;
6494: } else
6495: for ( j = 0; j < n; j++ )
6496: w[i][j] = (P)m[i][j];
6497: }
6498: m = (pointer **)w;
6499: }
6500:
6501: for ( i = 0, max = 0; i < n; i++ )
6502: for ( j = 0; j < n; j++ )
6503: for ( tv = fv; tv; tv = NEXT(tv) ) {
6504: e = getdeg(tv->v,(P)m[i][j]);
6505: max = MAX(e,max);
6506: }
6507: nd_setup_parameters(nvar,max);
6508: dm = (NDV **)almat_pointer(n,n);
6509: for ( i = 0, max = 0; i < n; i++ )
6510: for ( j = 0; j < n; j++ ) {
6511: dm[i][j] = ptondv(CO,fv,m[i][j]);
6512: if ( mod ) ndv_mod(mod,dm[i][j]);
6513: if ( dm[i][j] && !LEN(dm[i][j]) ) dm[i][j] = 0;
6514: }
6515: d = ptondv(CO,fv,(P)ONE);
6516: if ( mod ) ndv_mod(mod,d);
6517: chsgnq(ONE,&mone);
6518: for ( j = 0, sgn = 1; j < n; j++ ) {
6519: if ( DP_Print ) fprintf(stderr,".",j);
6520: for ( i = j; i < n && !dm[i][j]; i++ );
6521: if ( i == n ) {
6522: *rp = 0;
6523: return;
6524: }
6525: k0 = i; l0 = j; len0 = LEN(dm[k0][l0]);
6526: for ( k = j; k < n; k++ )
6527: for ( l = j; l < n; l++ )
6528: if ( dm[k][l] && LEN(dm[k][l]) < len0 ) {
6529: k0 = k; l0 = l; len0 = LEN(dm[k][l]);
6530: }
6531: if ( k0 != j ) {
6532: t = dm[j]; dm[j] = dm[k0]; dm[k0] = t;
6533: sgn = -sgn;
6534: }
6535: if ( l0 != j ) {
6536: for ( k = j; k < n; k++ ) {
6537: s = dm[k][j]; dm[k][j] = dm[k][l0]; dm[k][l0] = s;
6538: }
6539: sgn = -sgn;
6540: }
6541: bound = nd_det_compute_bound(dm,n,j);
6542: for ( k = 0; k < nd_nvar; k++ )
6543: if ( bound[k]*2 > nd_mask0 ) break;
6544: if ( k < nd_nvar )
6545: nd_det_reconstruct(dm,n,j,d);
6546:
6547: for ( i = j+1, mj = dm[j], mjj = mj[j]; i < n; i++ ) {
6548: /* if ( DP_Print ) fprintf(stderr," i=%d\n ",i); */
6549: mi = dm[i]; mij = mi[j];
6550: if ( mod )
6551: ndv_mul_c(mod,mij,mod-1);
6552: else
6553: ndv_mul_c_q(mij,mone);
6554: for ( k = j+1; k < n; k++ ) {
6555: /* if ( DP_Print ) fprintf(stderr,"k=%d ",k); */
6556: bucket = create_pbucket();
6557: if ( mi[k] ) {
6558: nmv = BDY(mjj); len = LEN(mjj);
6559: for ( a = 0; a < len; a++, NMV_ADV(nmv) ) {
6560: u = ndv_mul_nmv_trunc(mod,nmv,mi[k],DL(BDY(d)));
6561: add_pbucket(mod,bucket,u);
6562: }
6563: }
6564: if ( mj[k] && mij ) {
6565: nmv = BDY(mij); len = LEN(mij);
6566: for ( a = 0; a < len; a++, NMV_ADV(nmv) ) {
6567: u = ndv_mul_nmv_trunc(mod,nmv,mj[k],DL(BDY(d)));
6568: add_pbucket(mod,bucket,u);
6569: }
6570: }
6571: u = nd_quo(mod,bucket,d);
6572: mi[k] = ndtondv(mod,u);
6573: }
6574: /* if ( DP_Print ) fprintf(stderr,"\n",k); */
6575: }
6576: d = mjj;
6577: }
6578: if ( DP_Print ) fprintf(stderr,"\n",k);
6579: if ( sgn < 0 )
6580: if ( mod )
6581: ndv_mul_c(mod,d,mod-1);
6582: else
6583: ndv_mul_c_q(d,mone);
6584: r = ndvtop(mod,CO,fv,d);
6585: if ( !mod && !UNIQ(dq) )
6586: divsp(CO,r,(P)dq,rp);
6587: else
6588: *rp = r;
1.99 noro 6589: }
6590:
1.102 noro 6591: ND ndv_mul_nmv_trunc(int mod,NMV m0,NDV p,UINT *d)
1.99 noro 6592: {
1.157 noro 6593: NM mr,mr0;
6594: NM tnm;
6595: NMV m;
6596: UINT *d0,*dt,*dm;
6597: int c,n,td,i,c1,c2,len;
6598: Q q;
6599: ND r;
6600:
6601: if ( !p ) return 0;
6602: else {
6603: n = NV(p); m = BDY(p); len = LEN(p);
6604: d0 = DL(m0);
6605: td = TD(d);
6606: mr0 = 0;
6607: NEWNM(tnm);
6608: if ( mod ) {
6609: c = CM(m0);
6610: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6611: ndl_add(DL(m),d0,DL(tnm));
6612: if ( ndl_reducible(DL(tnm),d) ) {
6613: NEXTNM(mr0,mr);
6614: c1 = CM(m); DMAR(c1,c,0,mod,c2); CM(mr) = c2;
6615: ndl_copy(DL(tnm),DL(mr));
6616: }
6617: }
6618: } else {
6619: q = CQ(m0);
6620: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6621: ndl_add(DL(m),d0,DL(tnm));
6622: if ( ndl_reducible(DL(tnm),d) ) {
6623: NEXTNM(mr0,mr);
6624: mulq(CQ(m),q,&CQ(mr));
6625: ndl_copy(DL(tnm),DL(mr));
6626: }
6627: }
6628: }
6629: if ( !mr0 )
6630: return 0;
6631: else {
6632: NEXT(mr) = 0;
6633: for ( len = 0, mr = mr0; mr; mr = NEXT(mr), len++ );
6634: MKND(NV(p),mr0,len,r);
6635: SG(r) = SG(p) + TD(d0);
6636: return r;
6637: }
6638: }
1.114 noro 6639: }
6640:
6641: void nd_det_reconstruct(NDV **dm,int n,int j,NDV d)
6642: {
1.157 noro 6643: int i,obpe,oadv,h,k,l;
6644: static NM prev_nm_free_list;
6645: EPOS oepos;
6646:
6647: obpe = nd_bpe;
6648: oadv = nmv_adv;
6649: oepos = nd_epos;
6650: if ( obpe < 2 ) nd_bpe = 2;
6651: else if ( obpe < 3 ) nd_bpe = 3;
6652: else if ( obpe < 4 ) nd_bpe = 4;
6653: else if ( obpe < 5 ) nd_bpe = 5;
6654: else if ( obpe < 6 ) nd_bpe = 6;
6655: else if ( obpe < 8 ) nd_bpe = 8;
6656: else if ( obpe < 10 ) nd_bpe = 10;
6657: else if ( obpe < 16 ) nd_bpe = 16;
6658: else if ( obpe < 32 ) nd_bpe = 32;
6659: else error("nd_det_reconstruct : exponent too large");
6660:
6661: nd_setup_parameters(nd_nvar,0);
6662: prev_nm_free_list = _nm_free_list;
6663: _nm_free_list = 0;
6664: for ( k = j; k < n; k++ )
6665: for (l = j; l < n; l++ )
6666: ndv_realloc(dm[k][l],obpe,oadv,oepos);
6667: ndv_realloc(d,obpe,oadv,oepos);
6668: prev_nm_free_list = 0;
1.114 noro 6669: #if 0
1.157 noro 6670: GC_gcollect();
1.114 noro 6671: #endif
6672: }
6673:
1.153 noro 6674: /* returns a UINT array containing degree bounds */
6675:
1.114 noro 6676: UINT *nd_det_compute_bound(NDV **dm,int n,int j)
6677: {
1.157 noro 6678: UINT *d0,*d1,*d,*t,*r;
6679: int k,l,i;
1.114 noro 6680:
1.157 noro 6681: d0 = (UINT *)MALLOC(nd_nvar*sizeof(UINT));
6682: for ( k = 0; k < nd_nvar; k++ ) d0[k] = 0;
6683: for ( k = j; k < n; k++ )
6684: for ( l = j; l < n; l++ )
6685: if ( dm[k][l] ) {
6686: d = ndv_compute_bound(dm[k][l]);
6687: for ( i = 0; i < nd_nvar; i++ )
6688: d0[i] = MAX(d0[i],d[i]);
6689: }
6690: return d0;
1.117 noro 6691: }
6692:
6693: DL nd_separate_d(UINT *d,UINT *trans)
6694: {
1.157 noro 6695: int n,td,i,e,j;
6696: DL a;
1.117 noro 6697:
1.157 noro 6698: ndl_zero(trans);
6699: td = 0;
6700: for ( i = 0; i < nd_ntrans; i++ ) {
6701: e = GET_EXP(d,i);
6702: PUT_EXP(trans,i,e);
6703: td += MUL_WEIGHT(e,i);
6704: }
6705: if ( nd_ntrans+nd_nalg < nd_nvar ) {
6706: /* homogenized */
6707: i = nd_nvar-1;
6708: e = GET_EXP(d,i);
6709: PUT_EXP(trans,i,e);
6710: td += MUL_WEIGHT(e,i);
6711: }
6712: TD(trans) = td;
6713: if ( nd_blockmask) ndl_weight_mask(trans);
6714: NEWDL(a,nd_nalg);
6715: td = 0;
6716: for ( i = 0; i < nd_nalg; i++ ) {
6717: j = nd_ntrans+i;
6718: e = GET_EXP(d,j);
6719: a->d[i] = e;
6720: td += e;
6721: }
6722: a->td = td;
6723: return a;
1.117 noro 6724: }
6725:
1.118 noro 6726: int nd_monic(int mod,ND *p)
1.117 noro 6727: {
1.157 noro 6728: UINT *trans,*t;
6729: DL alg;
6730: MP mp0,mp;
6731: NM m,m0,m1,ma0,ma,mb,mr0,mr;
6732: ND r;
6733: DL dl;
6734: DP nm;
6735: NDV ndv;
6736: DAlg inv,cd;
6737: ND s,c;
6738: Q l,mul;
6739: N ln;
6740: int n,ntrans,i,e,td,is_lc,len;
6741: NumberField nf;
6742: struct oEGT eg0,eg1;
6743:
6744: if ( !(nf = get_numberfield()) )
6745: error("nd_monic : current_numberfield is not set");
6746:
6747: /* Q coef -> DAlg coef */
6748: NEWNM(ma0); ma = ma0;
6749: m = BDY(*p);
6750: is_lc = 1;
6751: while ( 1 ) {
6752: NEWMP(mp0); mp = mp0;
6753: mp->c = (P)CQ(m);
6754: mp->dl = nd_separate_d(DL(m),DL(ma));
6755: NEWNM(mb);
6756: for ( m = NEXT(m); m; m = NEXT(m) ) {
6757: alg = nd_separate_d(DL(m),DL(mb));
6758: if ( !ndl_equal(DL(ma),DL(mb)) )
6759: break;
6760: NEXTMP(mp0,mp); mp->c = (P)CQ(m); mp->dl = alg;
6761: }
6762: NEXT(mp) = 0;
6763: MKDP(nd_nalg,mp0,nm);
6764: MKDAlg(nm,ONE,cd);
6765: if ( is_lc == 1 ) {
6766: /* if the lc is a rational number, we have nothing to do */
6767: if ( !mp0->dl->td )
6768: return 1;
6769:
6770: get_eg(&eg0);
6771: invdalg(cd,&inv);
6772: get_eg(&eg1); add_eg(&eg_invdalg,&eg0,&eg1);
6773: /* check the validity of inv */
6774: if ( mod && !rem(NM(inv->dn),mod) )
6775: return 0;
6776: CA(ma) = nf->one;
6777: is_lc = 0;
6778: ln = ONEN;
6779: } else {
6780: muldalg(cd,inv,&CA(ma));
6781: lcmn(ln,NM(CA(ma)->dn),&ln);
6782: }
6783: if ( m ) {
6784: NEXT(ma) = mb; ma = mb;
6785: } else {
6786: NEXT(ma) = 0;
6787: break;
6788: }
6789: }
6790: /* l = lcm(denoms) */
6791: NTOQ(ln,1,l);
6792: for ( mr0 = 0, m = ma0; m; m = NEXT(m) ) {
6793: divq(l,CA(m)->dn,&mul);
6794: for ( mp = BDY(CA(m)->nm); mp; mp = NEXT(mp) ) {
6795: NEXTNM(mr0,mr);
6796: mulq((Q)mp->c,mul,&CQ(mr));
6797: dl = mp->dl;
6798: td = TD(DL(m));
6799: ndl_copy(DL(m),DL(mr));
6800: for ( i = 0; i < nd_nalg; i++ ) {
6801: e = dl->d[i];
6802: PUT_EXP(DL(mr),i+nd_ntrans,e);
6803: td += MUL_WEIGHT(e,i+nd_ntrans);
6804: }
1.163 noro 6805: if ( nd_module ) MPOS(DL(mr)) = MPOS(DL(m));
1.157 noro 6806: TD(DL(mr)) = td;
6807: if ( nd_blockmask) ndl_weight_mask(DL(mr));
6808: }
6809: }
6810: NEXT(mr) = 0;
6811: for ( len = 0, mr = mr0; mr; mr = NEXT(mr), len++ );
6812: MKND(NV(*p),mr0,len,r);
6813: /* XXX */
6814: SG(r) = SG(*p);
6815: nd_free(*p);
6816: *p = r;
6817: return 1;
1.59 noro 6818: }
1.167 noro 6819:
6820: NODE reverse_node(NODE n)
6821: {
6822: NODE t,t1;
6823:
6824: for ( t = 0; n; n = NEXT(n) ) {
6825: MKNODE(t1,BDY(n),t); t = t1;
6826: }
6827: return t;
6828: }
6829:
6830: P ndc_div(int mod,union oNDC a,union oNDC b)
6831: {
6832: union oNDC c;
6833: int inv,t;
6834:
6835: if ( mod == -1 ) c.m = _mulsf(a.m,_invsf(b.m));
6836: else if ( mod ) {
6837: inv = invm(b.m,mod);
6838: DMAR(a.m,inv,0,mod,t); c.m = t;
6839: } else if ( nd_vc )
6840: divsp(nd_vc,a.p,b.p,&c.p);
6841: else
6842: divq(a.z,b.z,&c.z);
6843: return ndctop(mod,c);
6844: }
6845:
6846: P ndctop(int mod,union oNDC c)
6847: {
6848: Q q;
6849: int e;
6850: GFS gfs;
6851:
6852: if ( mod == -1 ) {
6853: e = IFTOF(c.m); MKGFS(e,gfs); return (P)gfs;
6854: } else if ( mod ) {
6855: STOQ(c.m,q); return (P)q;
6856: } else
6857: return (P)c.p;
6858: }
6859:
6860: /* [0,0,0,cont] = p -> p/cont */
6861:
6862: void finalize_tracelist(int i,P cont)
6863: {
6864: LIST l;
6865: NODE node;
6866: Q iq;
6867:
6868: if ( !UNIQ(cont) ) {
6869: node = mknode(4,0,0,0,cont);
6870: MKLIST(l,node); MKNODE(node,l,nd_tracelist);
6871: nd_tracelist = node;
6872: }
6873: STOQ(i,iq);
6874: nd_tracelist = reverse_node(nd_tracelist);
6875: MKLIST(l,nd_tracelist);
6876: node = mknode(2,iq,l); MKLIST(l,node);
6877: MKNODE(node,l,nd_alltracelist); MKLIST(l,node);
6878: nd_alltracelist = node; nd_tracelist = 0;
6879: }
6880:
6881: void conv_ilist(int demand,int trace,NODE g,int **indp)
6882: {
6883: int n,i,j;
6884: int *ind;
6885: NODE t;
6886:
6887: n = length(g);
6888: ind = (int *)MALLOC(n*sizeof(int));
6889: for ( i = 0, t = g; i < n; i++, t = NEXT(t) ) {
6890: j = (long)BDY(t); ind[i] = j;
6891: BDY(t) = (pointer)(demand?ndv_load(j):(trace?nd_ps_trace[j]:nd_ps[j]));
6892: }
6893: if ( indp ) *indp = ind;
6894: }
1.172 noro 6895:
6896: void parse_nd_option(NODE opt)
6897: {
6898: NODE t,p;
6899: char *key;
6900: Obj value;
6901:
1.173 noro 6902: nd_gentrace = 0; nd_gensyz = 0; nd_nora = 0;
1.172 noro 6903: for ( t = opt; t; t = NEXT(t) ) {
6904: p = BDY((LIST)BDY(t));
6905: key = BDY((STRING)BDY(p));
6906: value = (Obj)BDY(NEXT(p));
6907: if ( !strcmp(key,"gentrace") )
6908: nd_gentrace = value?1:0;
6909: else if ( !strcmp(key,"gensyz") )
6910: nd_gensyz = value?1:0;
1.173 noro 6911: else if ( !strcmp(key,"nora") )
6912: nd_nora = value?1:0;
1.172 noro 6913: }
6914: }
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