Annotation of OpenXM_contrib2/asir2000/engine/nd.c, Revision 1.172
1.172 ! noro 1: /* $OpenXM: OpenXM_contrib2/asir2000/engine/nd.c,v 1.171 2009/02/11 06:30:21 noro Exp $ */
1.2 noro 2:
1.94 noro 3: #include "nd.h"
1.63 noro 4:
1.131 noro 5: int diag_period = 6;
1.61 noro 6: int (*ndl_compare_function)(UINT *a1,UINT *a2);
1.94 noro 7: int nd_dcomp;
8: NM _nm_free_list;
9: ND _nd_free_list;
10: ND_pairs _ndp_free_list;
1.150 noro 11: NODE nd_hcf;
1.32 noro 12:
1.146 noro 13: static NODE nd_subst;
14: static VL nd_vc;
1.121 noro 15: static int nd_ntrans;
1.117 noro 16: static int nd_nalg;
1.103 noro 17: #if 0
1.74 noro 18: static int ndv_alloc;
1.103 noro 19: #endif
1.87 noro 20: #if 1
1.69 noro 21: static int nd_f4_nsp=0x7fffffff;
1.87 noro 22: #else
23: static int nd_f4_nsp=50;
24: #endif
1.42 noro 25: static double nd_scale=2;
1.61 noro 26: static UINT **nd_bound;
1.42 noro 27: static struct order_spec *nd_ord;
28: static EPOS nd_epos;
1.43 noro 29: static BlockMask nd_blockmask;
1.42 noro 30: static int nd_nvar;
31: static int nd_isrlex;
32: static int nd_epw,nd_bpe,nd_wpd,nd_exporigin;
1.61 noro 33: static UINT nd_mask[32];
34: static UINT nd_mask0,nd_mask1;
1.42 noro 35:
1.20 noro 36: static NDV *nd_ps;
1.53 noro 37: static NDV *nd_ps_trace;
1.42 noro 38: static RHist *nd_psh;
39: static int nd_psn,nd_pslen;
40: static RHist *nd_red;
1.96 noro 41: static int *nd_work_vector;
42: static int **nd_matrix;
43: static int nd_matrix_len;
1.97 noro 44: static struct weight_or_block *nd_worb;
45: static int nd_worb_len;
1.42 noro 46: static int nd_found,nd_create,nd_notfirst;
47: static int nmv_adv;
1.77 noro 48: static int nd_demand;
1.160 noro 49: static int nd_module,nd_ispot,nd_mpos;
1.167 noro 50: static NODE nd_tracelist;
51: static NODE nd_alltracelist;
1.172 ! noro 52: static int nd_gentrace,nd_gensyz;
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 ) {
1.157 noro 584: if ( MPOS(d1) < MPOS(d2) ) return 1;
585: else if ( MPOS(d1) > MPOS(d2) ) return -1;
586: }
587: if ( TD(d1) > TD(d2) ) return 1;
588: else if ( TD(d1) < TD(d2) ) return -1;
1.167 noro 589: if ( c = ndl_lex_compare(d1,d2) ) return c;
1.160 noro 590: if ( !nd_ispot ) {
1.157 noro 591: if ( MPOS(d1) < MPOS(d2) ) return 1;
592: else if ( MPOS(d1) > MPOS(d2) ) return -1;
593: }
594: return 0;
595: }
596:
597: int ndl_module_glex_compare(UINT *d1,UINT *d2)
598: {
1.164 noro 599: int i,c;
1.157 noro 600:
1.160 noro 601: if ( nd_ispot ) {
1.157 noro 602: if ( MPOS(d1) < MPOS(d2) ) return 1;
603: else if ( MPOS(d1) > MPOS(d2) ) return -1;
604: }
605: if ( TD(d1) > TD(d2) ) return 1;
606: else if ( TD(d1) < TD(d2) ) return -1;
1.167 noro 607: if ( c = ndl_lex_compare(d1,d2) ) return c;
1.160 noro 608: if ( !nd_ispot ) {
1.157 noro 609: if ( MPOS(d1) < MPOS(d2) ) return 1;
610: else if ( MPOS(d1) > MPOS(d2) ) return -1;
611: }
612: return 0;
613: }
614:
615: int ndl_module_lex_compare(UINT *d1,UINT *d2)
616: {
1.164 noro 617: int i,c;
1.157 noro 618:
1.160 noro 619: if ( nd_ispot ) {
1.157 noro 620: if ( MPOS(d1) < MPOS(d2) ) return 1;
621: else if ( MPOS(d1) > MPOS(d2) ) return -1;
622: }
1.167 noro 623: if ( c = ndl_lex_compare(d1,d2) ) return c;
1.160 noro 624: if ( !nd_ispot ) {
1.157 noro 625: if ( MPOS(d1) < MPOS(d2) ) return 1;
626: else if ( MPOS(d1) > MPOS(d2) ) return -1;
627: }
628: return 0;
629: }
630:
631: int ndl_module_block_compare(UINT *d1,UINT *d2)
632: {
633: int i,c;
634:
1.160 noro 635: if ( nd_ispot ) {
1.157 noro 636: if ( MPOS(d1) < MPOS(d2) ) return 1;
637: else if ( MPOS(d1) > MPOS(d2) ) return -1;
638: }
639: if ( c = ndl_block_compare(d1,d2) ) return c;
1.160 noro 640: if ( !nd_ispot ) {
1.157 noro 641: if ( MPOS(d1) < MPOS(d2) ) return 1;
642: else if ( MPOS(d1) > MPOS(d2) ) return -1;
643: }
644: return 0;
645: }
646:
647: int ndl_module_matrix_compare(UINT *d1,UINT *d2)
648: {
649: int i,c;
650:
1.160 noro 651: if ( nd_ispot ) {
1.157 noro 652: if ( MPOS(d1) < MPOS(d2) ) return 1;
653: else if ( MPOS(d1) > MPOS(d2) ) return -1;
654: }
655: if ( c = ndl_matrix_compare(d1,d2) ) return c;
1.160 noro 656: if ( !nd_ispot ) {
1.157 noro 657: if ( MPOS(d1) < MPOS(d2) ) return 1;
658: else if ( MPOS(d1) > MPOS(d2) ) return -1;
659: }
660: return 0;
661: }
662:
663: int ndl_module_composite_compare(UINT *d1,UINT *d2)
664: {
665: int i,c;
666:
1.160 noro 667: if ( nd_ispot ) {
1.157 noro 668: if ( MPOS(d1) > MPOS(d2) ) return 1;
669: else if ( MPOS(d1) < MPOS(d2) ) return -1;
670: }
671: if ( c = ndl_composite_compare(d1,d2) ) return c;
1.160 noro 672: if ( !nd_ispot ) {
1.157 noro 673: if ( MPOS(d1) > MPOS(d2) ) return 1;
674: else if ( MPOS(d1) < MPOS(d2) ) return -1;
675: }
676: return 0;
1.58 noro 677: }
678:
1.61 noro 679: INLINE int ndl_equal(UINT *d1,UINT *d2)
1.1 noro 680: {
1.157 noro 681: int i;
1.1 noro 682:
1.157 noro 683: switch ( nd_wpd ) {
684: case 2:
685: if ( TD(d2) != TD(d1) ) return 0;
686: if ( d2[1] != d1[1] ) return 0;
687: return 1;
688: break;
689: case 3:
690: if ( TD(d2) != TD(d1) ) return 0;
691: if ( d2[1] != d1[1] ) return 0;
692: if ( d2[2] != d1[2] ) return 0;
693: return 1;
694: break;
695: default:
696: for ( i = 0; i < nd_wpd; i++ )
697: if ( *d1++ != *d2++ ) return 0;
698: return 1;
699: break;
700: }
1.1 noro 701: }
702:
1.61 noro 703: INLINE void ndl_copy(UINT *d1,UINT *d2)
1.6 noro 704: {
1.157 noro 705: int i;
1.6 noro 706:
1.157 noro 707: switch ( nd_wpd ) {
708: case 2:
709: TD(d2) = TD(d1);
710: d2[1] = d1[1];
711: break;
712: case 3:
713: TD(d2) = TD(d1);
714: d2[1] = d1[1];
715: d2[2] = d1[2];
716: break;
717: default:
718: for ( i = 0; i < nd_wpd; i++ )
719: d2[i] = d1[i];
720: break;
721: }
1.6 noro 722: }
723:
1.61 noro 724: INLINE void ndl_zero(UINT *d)
725: {
1.157 noro 726: int i;
727: for ( i = 0; i < nd_wpd; i++ ) d[i] = 0;
1.61 noro 728: }
729:
730: INLINE void ndl_add(UINT *d1,UINT *d2,UINT *d)
1.1 noro 731: {
1.157 noro 732: int i;
1.1 noro 733:
1.162 noro 734: if ( nd_module ) {
735: if ( MPOS(d1) && MPOS(d2) && (MPOS(d1) != MPOS(d2)) )
1.167 noro 736: error("ndl_add : invalid operation");
1.162 noro 737: }
1.43 noro 738: #if 1
1.157 noro 739: switch ( nd_wpd ) {
740: case 2:
741: TD(d) = TD(d1)+TD(d2);
742: d[1] = d1[1]+d2[1];
743: break;
744: case 3:
745: TD(d) = TD(d1)+TD(d2);
746: d[1] = d1[1]+d2[1];
747: d[2] = d1[2]+d2[2];
748: break;
749: default:
750: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]+d2[i];
751: break;
752: }
1.43 noro 753: #else
1.157 noro 754: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]+d2[i];
1.43 noro 755: #endif
1.6 noro 756: }
757:
1.55 noro 758: /* d1 += d2 */
1.61 noro 759: INLINE void ndl_addto(UINT *d1,UINT *d2)
1.55 noro 760: {
1.157 noro 761: int i;
1.55 noro 762:
1.162 noro 763: if ( nd_module ) {
764: if ( MPOS(d1) && MPOS(d2) && (MPOS(d1) != MPOS(d2)) )
765: error("ndl_addto : invalid operation");
766: }
1.55 noro 767: #if 1
1.157 noro 768: switch ( nd_wpd ) {
769: case 2:
770: TD(d1) += TD(d2);
771: d1[1] += d2[1];
772: break;
773: case 3:
774: TD(d1) += TD(d2);
775: d1[1] += d2[1];
776: d1[2] += d2[2];
777: break;
778: default:
779: for ( i = 0; i < nd_wpd; i++ ) d1[i] += d2[i];
780: break;
781: }
1.55 noro 782: #else
1.157 noro 783: for ( i = 0; i < nd_wpd; i++ ) d1[i] += d2[i];
1.55 noro 784: #endif
785: }
786:
1.61 noro 787: INLINE void ndl_sub(UINT *d1,UINT *d2,UINT *d)
1.6 noro 788: {
1.157 noro 789: int i;
1.6 noro 790:
1.157 noro 791: for ( i = 0; i < nd_wpd; i++ ) d[i] = d1[i]-d2[i];
1.1 noro 792: }
793:
1.61 noro 794: int ndl_disjoint(UINT *d1,UINT *d2)
1.1 noro 795: {
1.157 noro 796: UINT t1,t2,u,u1,u2;
797: int i,j;
1.1 noro 798:
1.157 noro 799: if ( nd_module && (MPOS(d1) == MPOS(d2)) ) return 0;
1.65 noro 800: #if USE_UNROLL
1.157 noro 801: switch ( nd_bpe ) {
802: case 3:
803: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
804: u1 = d1[i]; u2 = d2[i];
805: t1 = u1&0x38000000; t2 = u2&0x38000000; if ( t1&&t2 ) return 0;
806: t1 = u1& 0x7000000; t2 = u2& 0x7000000; if ( t1&&t2 ) return 0;
807: t1 = u1& 0xe00000; t2 = u2& 0xe00000; if ( t1&&t2 ) return 0;
808: t1 = u1& 0x1c0000; t2 = u2& 0x1c0000; if ( t1&&t2 ) return 0;
809: t1 = u1& 0x38000; t2 = u2& 0x38000; if ( t1&&t2 ) return 0;
810: t1 = u1& 0x7000; t2 = u2& 0x7000; if ( t1&&t2 ) return 0;
811: t1 = u1& 0xe00; t2 = u2& 0xe00; if ( t1&&t2 ) return 0;
812: t1 = u1& 0x1c0; t2 = u2& 0x1c0; if ( t1&&t2 ) return 0;
813: t1 = u1& 0x38; t2 = u2& 0x38; if ( t1&&t2 ) return 0;
814: t1 = u1& 0x7; t2 = u2& 0x7; if ( t1&&t2 ) return 0;
815: }
816: return 1;
817: break;
818: case 4:
819: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
820: u1 = d1[i]; u2 = d2[i];
821: t1 = u1&0xf0000000; t2 = u2&0xf0000000; if ( t1&&t2 ) return 0;
822: t1 = u1& 0xf000000; t2 = u2& 0xf000000; if ( t1&&t2 ) return 0;
823: t1 = u1& 0xf00000; t2 = u2& 0xf00000; if ( t1&&t2 ) return 0;
824: t1 = u1& 0xf0000; t2 = u2& 0xf0000; if ( t1&&t2 ) return 0;
825: t1 = u1& 0xf000; t2 = u2& 0xf000; if ( t1&&t2 ) return 0;
826: t1 = u1& 0xf00; t2 = u2& 0xf00; if ( t1&&t2 ) return 0;
827: t1 = u1& 0xf0; t2 = u2& 0xf0; if ( t1&&t2 ) return 0;
828: t1 = u1& 0xf; t2 = u2& 0xf; if ( t1&&t2 ) return 0;
829: }
830: return 1;
831: break;
832: case 6:
833: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
834: u1 = d1[i]; u2 = d2[i];
835: t1 = u1&0x3f000000; t2 = u2&0x3f000000; if ( t1&&t2 ) return 0;
836: t1 = u1& 0xfc0000; t2 = u2& 0xfc0000; if ( t1&&t2 ) return 0;
837: t1 = u1& 0x3f000; t2 = u2& 0x3f000; if ( t1&&t2 ) return 0;
838: t1 = u1& 0xfc0; t2 = u2& 0xfc0; if ( t1&&t2 ) return 0;
839: t1 = u1& 0x3f; t2 = u2& 0x3f; if ( t1&&t2 ) return 0;
840: }
841: return 1;
842: break;
843: case 8:
844: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
845: u1 = d1[i]; u2 = d2[i];
846: t1 = u1&0xff000000; t2 = u2&0xff000000; if ( t1&&t2 ) return 0;
847: t1 = u1& 0xff0000; t2 = u2& 0xff0000; if ( t1&&t2 ) return 0;
848: t1 = u1& 0xff00; t2 = u2& 0xff00; if ( t1&&t2 ) return 0;
849: t1 = u1& 0xff; t2 = u2& 0xff; if ( t1&&t2 ) return 0;
850: }
851: return 1;
852: break;
853: case 16:
854: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
855: u1 = d1[i]; u2 = d2[i];
856: t1 = u1&0xffff0000; t2 = u2&0xffff0000; if ( t1&&t2 ) return 0;
857: t1 = u1& 0xffff; t2 = u2& 0xffff; if ( t1&&t2 ) return 0;
858: }
859: return 1;
860: break;
861: case 32:
862: for ( i = nd_exporigin; i < nd_wpd; i++ )
863: if ( d1[i] && d2[i] ) return 0;
864: return 1;
865: break;
866: default:
867: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
868: u1 = d1[i]; u2 = d2[i];
869: for ( j = 0; j < nd_epw; j++ ) {
870: if ( (u1&nd_mask0) && (u2&nd_mask0) ) return 0;
871: u1 >>= nd_bpe; u2 >>= nd_bpe;
872: }
873: }
874: return 1;
875: break;
876: }
1.65 noro 877: #else
1.157 noro 878: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
879: u1 = d1[i]; u2 = d2[i];
880: for ( j = 0; j < nd_epw; j++ ) {
881: if ( (u1&nd_mask0) && (u2&nd_mask0) ) return 0;
882: u1 >>= nd_bpe; u2 >>= nd_bpe;
883: }
884: }
885: return 1;
1.65 noro 886: #endif
1.1 noro 887: }
888:
1.114 noro 889: int ndl_check_bound(UINT *d1,UINT *d2)
1.1 noro 890: {
1.157 noro 891: UINT u2;
892: int i,j,ind,k;
1.1 noro 893:
1.157 noro 894: ind = 0;
1.65 noro 895: #if USE_UNROLL
1.157 noro 896: switch ( nd_bpe ) {
897: case 3:
898: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
899: u2 = d2[i];
900: if ( d1[ind++]+((u2>>27)&0x7) >= 0x8 ) return 1;
901: if ( d1[ind++]+((u2>>24)&0x7) >= 0x8 ) return 1;
902: if ( d1[ind++]+((u2>>21)&0x7) >= 0x8 ) return 1;
903: if ( d1[ind++]+((u2>>18)&0x7) >= 0x8 ) return 1;
904: if ( d1[ind++]+((u2>>15)&0x7) >= 0x8 ) return 1;
905: if ( d1[ind++]+((u2>>12)&0x7) >= 0x8 ) return 1;
906: if ( d1[ind++]+((u2>>9)&0x7) >= 0x8 ) return 1;
907: if ( d1[ind++]+((u2>>6)&0x7) >= 0x8 ) return 1;
908: if ( d1[ind++]+((u2>>3)&0x7) >= 0x8 ) return 1;
909: if ( d1[ind++]+(u2&0x7) >= 0x8 ) return 1;
910: }
911: return 0;
912: break;
913: case 4:
914: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
915: u2 = d2[i];
916: if ( d1[ind++]+((u2>>28)&0xf) >= 0x10 ) return 1;
917: if ( d1[ind++]+((u2>>24)&0xf) >= 0x10 ) return 1;
918: if ( d1[ind++]+((u2>>20)&0xf) >= 0x10 ) return 1;
919: if ( d1[ind++]+((u2>>16)&0xf) >= 0x10 ) return 1;
920: if ( d1[ind++]+((u2>>12)&0xf) >= 0x10 ) return 1;
921: if ( d1[ind++]+((u2>>8)&0xf) >= 0x10 ) return 1;
922: if ( d1[ind++]+((u2>>4)&0xf) >= 0x10 ) return 1;
923: if ( d1[ind++]+(u2&0xf) >= 0x10 ) return 1;
924: }
925: return 0;
926: break;
927: case 6:
928: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
929: u2 = d2[i];
930: if ( d1[ind++]+((u2>>24)&0x3f) >= 0x40 ) return 1;
931: if ( d1[ind++]+((u2>>18)&0x3f) >= 0x40 ) return 1;
932: if ( d1[ind++]+((u2>>12)&0x3f) >= 0x40 ) return 1;
933: if ( d1[ind++]+((u2>>6)&0x3f) >= 0x40 ) return 1;
934: if ( d1[ind++]+(u2&0x3f) >= 0x40 ) return 1;
935: }
936: return 0;
937: break;
938: case 8:
939: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
940: u2 = d2[i];
941: if ( d1[ind++]+((u2>>24)&0xff) >= 0x100 ) return 1;
942: if ( d1[ind++]+((u2>>16)&0xff) >= 0x100 ) return 1;
943: if ( d1[ind++]+((u2>>8)&0xff) >= 0x100 ) return 1;
944: if ( d1[ind++]+(u2&0xff) >= 0x100 ) return 1;
945: }
946: return 0;
947: break;
948: case 16:
949: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
950: u2 = d2[i];
951: if ( d1[ind++]+((u2>>16)&0xffff) > 0x10000 ) return 1;
952: if ( d1[ind++]+(u2&0xffff) > 0x10000 ) return 1;
953: }
954: return 0;
955: break;
956: case 32:
957: for ( i = nd_exporigin; i < nd_wpd; i++ )
958: if ( d1[i]+d2[i]<d1[i] ) return 1;
959: return 0;
960: break;
961: default:
962: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
963: u2 = d2[i];
964: k = (nd_epw-1)*nd_bpe;
965: for ( j = 0; j < nd_epw; j++, k -= nd_bpe )
966: if ( d1[ind++]+((u2>>k)&nd_mask0) > nd_mask0 ) return 1;
967: }
968: return 0;
969: break;
970: }
1.65 noro 971: #else
1.157 noro 972: for ( i = nd_exporigin; i < nd_wpd; i++ ) {
973: u2 = d2[i];
974: k = (nd_epw-1)*nd_bpe;
975: for ( j = 0; j < nd_epw; j++, k -= nd_bpe )
976: if ( d1[ind++]+((u2>>k)&nd_mask0) > nd_mask0 ) return 1;
977: }
978: return 0;
1.65 noro 979: #endif
1.1 noro 980: }
981:
1.114 noro 982: int ndl_check_bound2(int index,UINT *d2)
983: {
1.157 noro 984: return ndl_check_bound(nd_bound[index],d2);
1.114 noro 985: }
986:
1.61 noro 987: INLINE int ndl_hash_value(UINT *d)
1.1 noro 988: {
1.157 noro 989: int i;
990: int r;
1.1 noro 991:
1.157 noro 992: r = 0;
993: for ( i = 0; i < nd_wpd; i++ )
994: r = ((r<<16)+d[i])%REDTAB_LEN;
995: return r;
1.1 noro 996: }
997:
1.63 noro 998: INLINE int ndl_find_reducer(UINT *dg)
1.1 noro 999: {
1.157 noro 1000: RHist r;
1001: int d,k,i;
1.1 noro 1002:
1.157 noro 1003: d = ndl_hash_value(dg);
1004: for ( r = nd_red[d], k = 0; r; r = NEXT(r), k++ ) {
1005: if ( ndl_equal(dg,DL(r)) ) {
1006: if ( k > 0 ) nd_notfirst++;
1007: nd_found++;
1008: return r->index;
1009: }
1010: }
1011: if ( Reverse )
1012: for ( i = nd_psn-1; i >= 0; i-- ) {
1013: r = nd_psh[i];
1014: if ( ndl_reducible(dg,DL(r)) ) {
1015: nd_create++;
1016: nd_append_red(dg,i);
1017: return i;
1018: }
1019: }
1020: else
1021: for ( i = 0; i < nd_psn; i++ ) {
1022: r = nd_psh[i];
1023: if ( ndl_reducible(dg,DL(r)) ) {
1024: nd_create++;
1025: nd_append_red(dg,i);
1026: return i;
1027: }
1028: }
1029: return -1;
1.1 noro 1030: }
1031:
1.63 noro 1032: ND nd_merge(ND p1,ND p2)
1033: {
1.157 noro 1034: int n,c;
1035: int t,can,td1,td2;
1036: ND r;
1037: NM m1,m2,mr0,mr,s;
1038:
1039: if ( !p1 ) return p2;
1040: else if ( !p2 ) return p1;
1041: else {
1042: can = 0;
1043: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1044: c = DL_COMPARE(DL(m1),DL(m2));
1045: switch ( c ) {
1046: case 0:
1047: s = m1; m1 = NEXT(m1);
1048: can++; NEXTNM2(mr0,mr,s);
1049: s = m2; m2 = NEXT(m2); FREENM(s);
1050: break;
1051: case 1:
1052: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1053: break;
1054: case -1:
1055: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1056: break;
1057: }
1058: }
1059: if ( !mr0 )
1060: if ( m1 ) mr0 = m1;
1061: else if ( m2 ) mr0 = m2;
1062: else return 0;
1063: else if ( m1 ) NEXT(mr) = m1;
1064: else if ( m2 ) NEXT(mr) = m2;
1065: else NEXT(mr) = 0;
1066: BDY(p1) = mr0;
1067: SG(p1) = MAX(SG(p1),SG(p2));
1068: LEN(p1) = LEN(p1)+LEN(p2)-can;
1069: FREEND(p2);
1070: return p1;
1071: }
1.63 noro 1072: }
1073:
1.31 noro 1074: ND nd_add(int mod,ND p1,ND p2)
1.1 noro 1075: {
1.157 noro 1076: int n,c;
1077: int t,can,td1,td2;
1078: ND r;
1079: NM m1,m2,mr0,mr,s;
1080:
1081: if ( !p1 ) return p2;
1082: else if ( !p2 ) return p1;
1083: else if ( mod == -1 ) return nd_add_sf(p1,p2);
1084: else if ( !mod ) return nd_add_q(p1,p2);
1085: else {
1086: can = 0;
1087: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1088: c = DL_COMPARE(DL(m1),DL(m2));
1089: switch ( c ) {
1090: case 0:
1091: t = ((CM(m1))+(CM(m2))) - mod;
1092: if ( t < 0 ) t += mod;
1093: s = m1; m1 = NEXT(m1);
1094: if ( t ) {
1095: can++; NEXTNM2(mr0,mr,s); CM(mr) = (t);
1096: } else {
1097: can += 2; FREENM(s);
1098: }
1099: s = m2; m2 = NEXT(m2); FREENM(s);
1100: break;
1101: case 1:
1102: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1103: break;
1104: case -1:
1105: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1106: break;
1107: }
1108: }
1109: if ( !mr0 )
1110: if ( m1 ) mr0 = m1;
1111: else if ( m2 ) mr0 = m2;
1112: else return 0;
1113: else if ( m1 ) NEXT(mr) = m1;
1114: else if ( m2 ) NEXT(mr) = m2;
1115: else NEXT(mr) = 0;
1116: BDY(p1) = mr0;
1117: SG(p1) = MAX(SG(p1),SG(p2));
1118: LEN(p1) = LEN(p1)+LEN(p2)-can;
1119: FREEND(p2);
1120: return p1;
1121: }
1.95 noro 1122: }
1123:
1124: /* XXX on opteron, the inlined manipulation of destructive additon of
1125: * two NM seems to make gcc optimizer get confused, so the part is
1126: * done in a function.
1127: */
1128:
1.113 noro 1129: int nm_destructive_add_q(NM *m1,NM *m2,NM *mr0,NM *mr)
1.95 noro 1130: {
1.157 noro 1131: NM s;
1132: P t;
1133: int can;
1134:
1135: addp(nd_vc,CP(*m1),CP(*m2),&t);
1136: s = *m1; *m1 = NEXT(*m1);
1137: if ( t ) {
1138: can = 1; NEXTNM2(*mr0,*mr,s); CP(*mr) = (t);
1139: } else {
1140: can = 2; FREENM(s);
1141: }
1142: s = *m2; *m2 = NEXT(*m2); FREENM(s);
1143: return can;
1.95 noro 1144: }
1145:
1.113 noro 1146: ND nd_add_q(ND p1,ND p2)
1.95 noro 1147: {
1.157 noro 1148: int n,c,can;
1149: ND r;
1150: NM m1,m2,mr0,mr,s;
1151: P t;
1152:
1153: if ( !p1 ) return p2;
1154: else if ( !p2 ) return p1;
1155: else {
1156: can = 0;
1157: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1158: c = DL_COMPARE(DL(m1),DL(m2));
1159: switch ( c ) {
1160: case 0:
1.95 noro 1161: #if defined(__x86_64__)
1.157 noro 1162: can += nm_destructive_add_q(&m1,&m2,&mr0,&mr);
1.95 noro 1163: #else
1.157 noro 1164: addp(nd_vc,CP(m1),CP(m2),&t);
1165: s = m1; m1 = NEXT(m1);
1166: if ( t ) {
1167: can++; NEXTNM2(mr0,mr,s); CP(mr) = (t);
1168: } else {
1169: can += 2; FREENM(s);
1170: }
1171: s = m2; m2 = NEXT(m2); FREENM(s);
1.95 noro 1172: #endif
1.157 noro 1173: break;
1174: case 1:
1175: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1176: break;
1177: case -1:
1178: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1179: break;
1180: }
1181: }
1182: if ( !mr0 )
1183: if ( m1 ) mr0 = m1;
1184: else if ( m2 ) mr0 = m2;
1185: else return 0;
1186: else if ( m1 ) NEXT(mr) = m1;
1187: else if ( m2 ) NEXT(mr) = m2;
1188: else NEXT(mr) = 0;
1189: BDY(p1) = mr0;
1190: SG(p1) = MAX(SG(p1),SG(p2));
1191: LEN(p1) = LEN(p1)+LEN(p2)-can;
1192: FREEND(p2);
1193: return p1;
1194: }
1.17 noro 1195: }
1196:
1.71 noro 1197: ND nd_add_sf(ND p1,ND p2)
1198: {
1.157 noro 1199: int n,c,can;
1200: ND r;
1201: NM m1,m2,mr0,mr,s;
1202: int t;
1203:
1204: if ( !p1 ) return p2;
1205: else if ( !p2 ) return p1;
1206: else {
1207: can = 0;
1208: for ( n = NV(p1), m1 = BDY(p1), m2 = BDY(p2), mr0 = 0; m1 && m2; ) {
1209: c = DL_COMPARE(DL(m1),DL(m2));
1210: switch ( c ) {
1211: case 0:
1212: t = _addsf(CM(m1),CM(m2));
1213: s = m1; m1 = NEXT(m1);
1214: if ( t ) {
1215: can++; NEXTNM2(mr0,mr,s); CM(mr) = (t);
1216: } else {
1217: can += 2; FREENM(s);
1218: }
1219: s = m2; m2 = NEXT(m2); FREENM(s);
1220: break;
1221: case 1:
1222: s = m1; m1 = NEXT(m1); NEXTNM2(mr0,mr,s);
1223: break;
1224: case -1:
1225: s = m2; m2 = NEXT(m2); NEXTNM2(mr0,mr,s);
1226: break;
1227: }
1228: }
1229: if ( !mr0 )
1230: if ( m1 ) mr0 = m1;
1231: else if ( m2 ) mr0 = m2;
1232: else return 0;
1233: else if ( m1 ) NEXT(mr) = m1;
1234: else if ( m2 ) NEXT(mr) = m2;
1235: else NEXT(mr) = 0;
1236: BDY(p1) = mr0;
1237: SG(p1) = MAX(SG(p1),SG(p2));
1238: LEN(p1) = LEN(p1)+LEN(p2)-can;
1239: FREEND(p2);
1240: return p1;
1241: }
1.71 noro 1242: }
1243:
1.167 noro 1244: ND nd_reduce2(int mod,ND d,ND g,NDV p,NM mul,NDC dn,Obj *divp)
1.146 noro 1245: {
1.157 noro 1246: int c,c1,c2;
1247: Q cg,cred,gcd,tq;
1248: P cgp,credp,gcdp;
1249: Obj tr,tr1;
1250:
1.167 noro 1251: if ( mod == -1 ) {
1.157 noro 1252: CM(mul) = _mulsf(_invsf(HCM(p)),_chsgnsf(HCM(g)));
1.167 noro 1253: *divp = (Obj)ONE;
1254: } else if ( mod ) {
1.157 noro 1255: c1 = invm(HCM(p),mod); c2 = mod-HCM(g);
1256: DMAR(c1,c2,0,mod,c); CM(mul) = c;
1.167 noro 1257: *divp = (Obj)ONE;
1.157 noro 1258: } else if ( nd_vc ) {
1259: ezgcdpz(nd_vc,HCP(g),HCP(p),&gcdp);
1260: divsp(nd_vc,HCP(g),gcdp,&cgp); divsp(nd_vc,HCP(p),gcdp,&credp);
1261: chsgnp(cgp,&CP(mul));
1262: nd_mul_c_q(d,credp); nd_mul_c_q(g,credp);
1263: if ( dn ) {
1264: mulr(nd_vc,(Obj)dn->r,(Obj)credp,&tr);
1265: reductr(nd_vc,tr,&tr1); dn->r = (R)tr1;
1266: }
1.167 noro 1267: *divp = (Obj)credp;
1.157 noro 1268: } else {
1269: igcd_cofactor(HCQ(g),HCQ(p),&gcd,&cg,&cred);
1270: chsgnq(cg,&CQ(mul));
1271: nd_mul_c_q(d,(P)cred); nd_mul_c_q(g,(P)cred);
1272: if ( dn ) {
1273: mulq(dn->z,cred,&tq); dn->z = tq;
1274: }
1.167 noro 1275: *divp = (Obj)cred;
1.157 noro 1276: }
1277: return nd_add(mod,g,ndv_mul_nm(mod,mul,p));
1.146 noro 1278: }
1279:
1.1 noro 1280: /* ret=1 : success, ret=0 : overflow */
1.146 noro 1281: int nd_nf(int mod,ND d,ND g,NDV *ps,int full,NDC dn,ND *rp)
1.1 noro 1282: {
1.157 noro 1283: NM m,mrd,tail;
1284: NM mul;
1285: int n,sugar,psugar,sugar0,stat,index;
1286: int c,c1,c2,dummy;
1287: RHist h;
1288: NDV p,red;
1.167 noro 1289: Q cg,cred,gcd,tq,qq,iq;
1290: DP dmul;
1291: NODE node;
1292: LIST hist;
1.157 noro 1293: double hmag;
1294: P tp,tp1;
1.167 noro 1295: Obj tr,tr1,div;
1296: union oNDC hg;
1297: P cont;
1.157 noro 1298:
1299: if ( dn ) {
1300: if ( mod )
1301: dn->m = 1;
1302: else if ( nd_vc )
1303: dn->r = (R)ONE;
1304: else
1305: dn->z = ONE;
1306: }
1307: if ( !g ) {
1308: *rp = d;
1309: return 1;
1310: }
1311: if ( !mod ) hmag = ((double)p_mag(HCP(g)))*nd_scale;
1312:
1313: sugar0 = sugar = SG(g);
1314: n = NV(g);
1315: mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
1316: if ( d )
1317: for ( tail = BDY(d); NEXT(tail); tail = NEXT(tail) );
1318: for ( ; g; ) {
1319: index = ndl_find_reducer(HDL(g));
1320: if ( index >= 0 ) {
1321: h = nd_psh[index];
1322: ndl_sub(HDL(g),DL(h),DL(mul));
1323: if ( ndl_check_bound2(index,DL(mul)) ) {
1324: nd_free(g); nd_free(d);
1325: return 0;
1326: }
1327: p = nd_demand ? ndv_load(index) : ps[index];
1.167 noro 1328: /* d+g -> div*(d+g)+mul*p */
1329: g = nd_reduce2(mod,d,g,p,mul,dn,&div);
1.172 ! noro 1330: if ( nd_gentrace ) {
1.167 noro 1331: /* Trace=[div,index,mul,ONE] */
1332: STOQ(index,iq);
1333: nmtodp(mod,mul,&dmul);
1334: node = mknode(4,div,iq,dmul,ONE);
1335: }
1.157 noro 1336: sugar = MAX(sugar,SG(p)+TD(DL(mul)));
1337: if ( !mod && g && ((double)(p_mag(HCP(g))) > hmag) ) {
1.167 noro 1338: hg = HCU(g);
1.157 noro 1339: nd_removecont2(d,g);
1.172 ! noro 1340: if ( dn || nd_gentrace ) {
1.167 noro 1341: /* overwrite cont : Trace=[div,index,mul,cont] */
1342: cont = ndc_div(mod,hg,HCU(g));
1343: if ( dn ) {
1344: if ( nd_vc ) {
1345: divr(nd_vc,(Obj)dn->r,(Obj)cont,&tr);
1346: reductr(nd_vc,(Obj)tr,&tr1); dn->r = (R)tr1;
1347: } else divq(dn->z,(Q)cont,&dn->z);
1.157 noro 1348: }
1.172 ! noro 1349: if ( nd_gentrace && !UNIQ(cont) ) ARG3(node) = (pointer)cont;
1.157 noro 1350: }
1351: hmag = ((double)p_mag(HCP(g)))*nd_scale;
1352: }
1.167 noro 1353: MKLIST(hist,node);
1354: MKNODE(node,hist,nd_tracelist); nd_tracelist = node;
1.157 noro 1355: } else if ( !full ) {
1356: *rp = g;
1357: return 1;
1358: } else {
1359: m = BDY(g);
1360: if ( NEXT(m) ) {
1361: BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--;
1362: } else {
1363: FREEND(g); g = 0;
1364: }
1365: if ( d ) {
1366: NEXT(tail)=m; tail=m; LEN(d)++;
1367: } else {
1368: MKND(n,m,1,d); tail = BDY(d);
1369: }
1370: }
1371: }
1372: if ( d ) SG(d) = sugar;
1373: *rp = d;
1374: return 1;
1.1 noro 1375: }
1.28 noro 1376:
1.53 noro 1377: int nd_nf_pbucket(int mod,ND g,NDV *ps,int full,ND *rp)
1.25 noro 1378: {
1.157 noro 1379: int hindex,index;
1380: NDV p;
1381: ND u,d,red;
1382: NODE l;
1383: NM mul,m,mrd,tail;
1384: int sugar,psugar,n,h_reducible;
1385: PGeoBucket bucket;
1386: int c,c1,c2;
1387: Q cg,cred,gcd,zzz;
1388: RHist h;
1389: double hmag,gmag;
1390: int count = 0;
1391: int hcount = 0;
1392:
1393: if ( !g ) {
1394: *rp = 0;
1395: return 1;
1396: }
1397: sugar = SG(g);
1398: n = NV(g);
1399: if ( !mod ) hmag = ((double)p_mag((P)HCQ(g)))*nd_scale;
1400: bucket = create_pbucket();
1401: add_pbucket(mod,bucket,g);
1402: d = 0;
1403: mul = (NM)ALLOCA(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
1404: while ( 1 ) {
1405: hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket);
1406: if ( hindex < 0 ) {
1407: if ( DP_Print > 3 ) printf("(%d %d)",count,hcount);
1408: if ( d ) SG(d) = sugar;
1409: *rp = d;
1410: return 1;
1411: }
1412: g = bucket->body[hindex];
1413: index = ndl_find_reducer(HDL(g));
1414: if ( index >= 0 ) {
1415: count++;
1416: if ( !d ) hcount++;
1417: h = nd_psh[index];
1418: ndl_sub(HDL(g),DL(h),DL(mul));
1419: if ( ndl_check_bound2(index,DL(mul)) ) {
1420: nd_free(d);
1421: free_pbucket(bucket);
1422: *rp = 0;
1423: return 0;
1424: }
1425: p = ps[index];
1426: if ( mod == -1 )
1427: CM(mul) = _mulsf(_invsf(HCM(p)),_chsgnsf(HCM(g)));
1428: else if ( mod ) {
1429: c1 = invm(HCM(p),mod); c2 = mod-HCM(g);
1430: DMAR(c1,c2,0,mod,c); CM(mul) = c;
1431: } else {
1432: igcd_cofactor(HCQ(g),HCQ(p),&gcd,&cg,&cred);
1433: chsgnq(cg,&CQ(mul));
1434: nd_mul_c_q(d,(P)cred);
1435: mulq_pbucket(bucket,cred);
1436: g = bucket->body[hindex];
1437: gmag = (double)p_mag((P)HCQ(g));
1438: }
1439: red = ndv_mul_nm(mod,mul,p);
1440: bucket->body[hindex] = nd_remove_head(g);
1441: red = nd_remove_head(red);
1442: add_pbucket(mod,bucket,red);
1443: psugar = SG(p)+TD(DL(mul));
1444: sugar = MAX(sugar,psugar);
1445: if ( !mod && hmag && (gmag > hmag) ) {
1446: g = normalize_pbucket(mod,bucket);
1447: if ( !g ) {
1448: if ( d ) SG(d) = sugar;
1449: *rp = d;
1450: return 1;
1451: }
1452: nd_removecont2(d,g);
1453: hmag = ((double)p_mag((P)HCQ(g)))*nd_scale;
1454: add_pbucket(mod,bucket,g);
1455: }
1456: } else if ( !full ) {
1457: g = normalize_pbucket(mod,bucket);
1458: if ( g ) SG(g) = sugar;
1459: *rp = g;
1460: return 1;
1461: } else {
1462: m = BDY(g);
1463: if ( NEXT(m) ) {
1464: BDY(g) = NEXT(m); NEXT(m) = 0; LEN(g)--;
1465: } else {
1466: FREEND(g); g = 0;
1467: }
1468: bucket->body[hindex] = g;
1469: NEXT(m) = 0;
1470: if ( d ) {
1471: NEXT(tail)=m; tail=m; LEN(d)++;
1472: } else {
1473: MKND(n,m,1,d); tail = BDY(d);
1474: }
1475: }
1476: }
1.25 noro 1477: }
1.27 noro 1478:
1.61 noro 1479: /* input : list of NDV, cand : list of NDV */
1.28 noro 1480:
1.170 noro 1481: int ndv_check_membership(int m,NODE input,int obpe,int oadv,EPOS oepos,NODE cand)
1.28 noro 1482: {
1.157 noro 1483: int n,i,stat;
1484: ND nf,d;
1485: NDV r;
1486: NODE t,s;
1487: union oNDC dn;
1.168 noro 1488: Q q;
1489: LIST list;
1.45 noro 1490:
1.172 ! noro 1491: ndv_setup(m,0,cand,nd_gentrace?1:0,1);
1.157 noro 1492: n = length(cand);
1.28 noro 1493:
1.172 ! noro 1494: if ( nd_gentrace ) { nd_alltracelist = 0; nd_tracelist = 0; }
1.157 noro 1495: /* membercheck : list is a subset of Id(cand) ? */
1.168 noro 1496: for ( t = input, i = 0; t; t = NEXT(t), i++ ) {
1.45 noro 1497: again:
1.168 noro 1498: nd_tracelist = 0;
1.157 noro 1499: if ( nd_bpe > obpe )
1500: r = ndv_dup_realloc((NDV)BDY(t),obpe,oadv,oepos);
1501: else
1502: r = (NDV)BDY(t);
1.171 noro 1503: d = ndvtond(m,r);
1504: stat = nd_nf(m,0,d,nd_ps,0,0,&nf);
1.157 noro 1505: if ( !stat ) {
1506: nd_reconstruct(0,0);
1507: goto again;
1508: } else if ( nf ) return 0;
1.172 ! noro 1509: if ( nd_gentrace ) {
1.168 noro 1510: nd_tracelist = reverse_node(nd_tracelist);
1511: MKLIST(list,nd_tracelist);
1512: STOQ(i,q); s = mknode(2,q,list); MKLIST(list,s);
1513: MKNODE(s,list,nd_alltracelist);
1514: nd_alltracelist = s; nd_tracelist = 0;
1515: }
1.157 noro 1516: if ( DP_Print ) { printf("."); fflush(stdout); }
1517: }
1518: if ( DP_Print ) { printf("\n"); }
1519: return 1;
1.23 noro 1520: }
1.1 noro 1521:
1522: ND nd_remove_head(ND p)
1523: {
1.157 noro 1524: NM m;
1.1 noro 1525:
1.157 noro 1526: m = BDY(p);
1527: if ( !NEXT(m) ) {
1528: FREEND(p); p = 0;
1529: } else {
1530: BDY(p) = NEXT(m); LEN(p)--;
1531: }
1532: FREENM(m);
1533: return p;
1.1 noro 1534: }
1535:
1.69 noro 1536: ND nd_separate_head(ND p,ND *head)
1537: {
1.157 noro 1538: NM m,m0;
1539: ND r;
1.69 noro 1540:
1.157 noro 1541: m = BDY(p);
1542: if ( !NEXT(m) ) {
1543: *head = p; p = 0;
1544: } else {
1545: m0 = m;
1546: BDY(p) = NEXT(m); LEN(p)--;
1547: NEXT(m0) = 0;
1548: MKND(NV(p),m0,1,r);
1549: *head = r;
1550: }
1551: return p;
1.69 noro 1552: }
1553:
1.1 noro 1554: PGeoBucket create_pbucket()
1555: {
1556: PGeoBucket g;
1.157 noro 1557:
1558: g = CALLOC(1,sizeof(struct oPGeoBucket));
1559: g->m = -1;
1560: return g;
1.1 noro 1561: }
1562:
1.25 noro 1563: void free_pbucket(PGeoBucket b) {
1.157 noro 1564: int i;
1.25 noro 1565:
1.157 noro 1566: for ( i = 0; i <= b->m; i++ )
1567: if ( b->body[i] ) {
1568: nd_free(b->body[i]);
1569: b->body[i] = 0;
1570: }
1571: GC_free(b);
1.25 noro 1572: }
1573:
1.63 noro 1574: void add_pbucket_symbolic(PGeoBucket g,ND d)
1575: {
1.157 noro 1576: int l,i,k,m;
1.63 noro 1577:
1.157 noro 1578: if ( !d )
1579: return;
1580: l = LEN(d);
1581: for ( k = 0, m = 1; l > m; k++, m <<= 1 );
1582: /* 2^(k-1) < l <= 2^k (=m) */
1583: d = nd_merge(g->body[k],d);
1584: for ( ; d && LEN(d) > m; k++, m <<= 1 ) {
1585: g->body[k] = 0;
1586: d = nd_merge(g->body[k+1],d);
1587: }
1588: g->body[k] = d;
1589: g->m = MAX(g->m,k);
1.63 noro 1590: }
1591:
1.31 noro 1592: void add_pbucket(int mod,PGeoBucket g,ND d)
1.1 noro 1593: {
1.157 noro 1594: int l,i,k,m;
1.1 noro 1595:
1.157 noro 1596: if ( !d )
1597: return;
1598: l = LEN(d);
1599: for ( k = 0, m = 1; l > m; k++, m <<= 1 );
1600: /* 2^(k-1) < l <= 2^k (=m) */
1601: d = nd_add(mod,g->body[k],d);
1602: for ( ; d && LEN(d) > m; k++, m <<= 1 ) {
1603: g->body[k] = 0;
1604: d = nd_add(mod,g->body[k+1],d);
1605: }
1606: g->body[k] = d;
1607: g->m = MAX(g->m,k);
1.1 noro 1608: }
1609:
1.113 noro 1610: void mulq_pbucket(PGeoBucket g,Q c)
1.26 noro 1611: {
1.157 noro 1612: int k;
1.26 noro 1613:
1.157 noro 1614: for ( k = 0; k <= g->m; k++ )
1615: nd_mul_c_q(g->body[k],(P)c);
1.26 noro 1616: }
1617:
1.63 noro 1618: NM remove_head_pbucket_symbolic(PGeoBucket g)
1619: {
1.157 noro 1620: int j,i,k,c;
1621: NM head;
1622:
1623: k = g->m;
1624: j = -1;
1625: for ( i = 0; i <= k; i++ ) {
1626: if ( !g->body[i] ) continue;
1627: if ( j < 0 ) j = i;
1628: else {
1629: c = DL_COMPARE(HDL(g->body[i]),HDL(g->body[j]));
1630: if ( c > 0 )
1631: j = i;
1632: else if ( c == 0 )
1633: g->body[i] = nd_remove_head(g->body[i]);
1634: }
1635: }
1636: if ( j < 0 ) return 0;
1637: else {
1638: head = BDY(g->body[j]);
1639: if ( !NEXT(head) ) {
1640: FREEND(g->body[j]);
1641: g->body[j] = 0;
1642: } else {
1643: BDY(g->body[j]) = NEXT(head);
1644: LEN(g->body[j])--;
1645: }
1646: return head;
1647: }
1.63 noro 1648: }
1649:
1.19 noro 1650: int head_pbucket(int mod,PGeoBucket g)
1.1 noro 1651: {
1.157 noro 1652: int j,i,c,k,nv,sum;
1653: UINT *di,*dj;
1654: ND gi,gj;
1655:
1656: k = g->m;
1657: while ( 1 ) {
1658: j = -1;
1659: for ( i = 0; i <= k; i++ ) {
1660: if ( !(gi = g->body[i]) )
1661: continue;
1662: if ( j < 0 ) {
1663: j = i;
1664: gj = g->body[j];
1665: dj = HDL(gj);
1666: sum = HCM(gj);
1667: } else {
1668: c = DL_COMPARE(HDL(gi),dj);
1669: if ( c > 0 ) {
1670: if ( sum ) HCM(gj) = sum;
1671: else g->body[j] = nd_remove_head(gj);
1672: j = i;
1673: gj = g->body[j];
1674: dj = HDL(gj);
1675: sum = HCM(gj);
1676: } else if ( c == 0 ) {
1677: if ( mod == -1 )
1678: sum = _addsf(sum,HCM(gi));
1679: else {
1680: sum = sum+HCM(gi)-mod;
1681: if ( sum < 0 ) sum += mod;
1682: }
1683: g->body[i] = nd_remove_head(gi);
1684: }
1685: }
1686: }
1687: if ( j < 0 ) return -1;
1688: else if ( sum ) {
1689: HCM(gj) = sum;
1690: return j;
1691: } else
1692: g->body[j] = nd_remove_head(gj);
1693: }
1.26 noro 1694: }
1695:
1.113 noro 1696: int head_pbucket_q(PGeoBucket g)
1.26 noro 1697: {
1.157 noro 1698: int j,i,c,k,nv;
1699: Q sum,t;
1700: ND gi,gj;
1701:
1702: k = g->m;
1703: while ( 1 ) {
1704: j = -1;
1705: for ( i = 0; i <= k; i++ ) {
1706: if ( !(gi = g->body[i]) ) continue;
1707: if ( j < 0 ) {
1708: j = i;
1709: gj = g->body[j];
1710: sum = HCQ(gj);
1711: } else {
1712: nv = NV(gi);
1713: c = DL_COMPARE(HDL(gi),HDL(gj));
1714: if ( c > 0 ) {
1715: if ( sum ) HCQ(gj) = sum;
1716: else g->body[j] = nd_remove_head(gj);
1717: j = i;
1718: gj = g->body[j];
1719: sum = HCQ(gj);
1720: } else if ( c == 0 ) {
1721: addq(sum,HCQ(gi),&t);
1722: sum = t;
1723: g->body[i] = nd_remove_head(gi);
1724: }
1725: }
1726: }
1727: if ( j < 0 ) return -1;
1728: else if ( sum ) {
1729: HCQ(gj) = sum;
1730: return j;
1731: } else
1732: g->body[j] = nd_remove_head(gj);
1733: }
1.1 noro 1734: }
1735:
1.25 noro 1736: ND normalize_pbucket(int mod,PGeoBucket g)
1.1 noro 1737: {
1.157 noro 1738: int i;
1739: ND r,t;
1.1 noro 1740:
1.157 noro 1741: r = 0;
1742: for ( i = 0; i <= g->m; i++ ) {
1743: r = nd_add(mod,r,g->body[i]);
1744: g->body[i] = 0;
1745: }
1746: g->m = -1;
1747: return r;
1.1 noro 1748: }
1749:
1.150 noro 1750: #if 0
1751: void register_hcf(NDV p)
1752: {
1.157 noro 1753: DCP dc,t;
1754: P hc,h;
1755: int c;
1756: NODE l,l1,prev;
1757:
1758: hc = p->body->c.p;
1759: if ( !nd_vc || NUM(hc) ) return;
1760: fctrp(nd_vc,hc,&dc);
1761: for ( t = dc; t; t = NEXT(t) ) {
1762: h = t->c;
1763: if ( NUM(h) ) continue;
1764: for ( prev = 0, l = nd_hcf; l; prev = l, l = NEXT(l) ) {
1765: c = compp(nd_vc,h,(P)BDY(l));
1766: if ( c >= 0 ) break;
1767: }
1768: if ( !l || c > 0 ) {
1769: MKNODE(l1,h,l);
1770: if ( !prev )
1771: nd_hcf = l1;
1772: else
1773: NEXT(prev) = l1;
1774: }
1775: }
1.150 noro 1776: }
1777: #else
1778: void register_hcf(NDV p)
1779: {
1.157 noro 1780: DCP dc,t;
1781: P hc,h,q;
1782: Q dmy;
1783: int c;
1784: NODE l,l1,prev;
1785:
1786: hc = p->body->c.p;
1787: if ( NUM(hc) ) return;
1788: ptozp(hc,1,&dmy,&h);
1.150 noro 1789: #if 1
1.157 noro 1790: for ( l = nd_hcf; l; l = NEXT(l) ) {
1791: while ( 1 ) {
1792: if ( divtpz(nd_vc,h,(P)BDY(l),&q) ) h = q;
1793: else break;
1794: }
1795: }
1796: if ( NUM(h) ) return;
1.150 noro 1797: #endif
1.157 noro 1798: for ( prev = 0, l = nd_hcf; l; prev = l, l = NEXT(l) ) {
1799: c = compp(nd_vc,h,(P)BDY(l));
1800: if ( c >= 0 ) break;
1801: }
1802: if ( !l || c > 0 ) {
1803: MKNODE(l1,h,l);
1804: if ( !prev )
1805: nd_hcf = l1;
1806: else
1807: NEXT(prev) = l1;
1808: }
1.150 noro 1809: }
1810: #endif
1811:
1.122 noro 1812: int do_diagonalize(int sugar,int m)
1.92 noro 1813: {
1.157 noro 1814: int i,nh,stat;
1815: NODE r,g,t;
1816: ND h,nf,s,head;
1817: NDV nfv;
1818: Q q,num,den;
1.167 noro 1819: P nm,nmp,dn,mnp,dnp,cont,cont1;
1820: union oNDC hc;
1821: NODE node;
1822: LIST l;
1823: Q iq;
1.157 noro 1824:
1825: for ( i = nd_psn-1; i >= 0 && SG(nd_psh[i]) == sugar; i-- ) {
1.172 ! noro 1826: if ( nd_gentrace ) {
1.167 noro 1827: /* Trace = [1,index,1,1] */
1828: STOQ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
1829: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
1830: }
1.157 noro 1831: if ( nd_demand )
1832: nfv = ndv_load(i);
1833: else
1834: nfv = nd_ps[i];
1835: s = ndvtond(m,nfv);
1836: s = nd_separate_head(s,&head);
1837: stat = nd_nf(m,head,s,nd_ps,1,0,&nf);
1838: if ( !stat ) return 0;
1839: ndv_free(nfv);
1.167 noro 1840: hc = HCU(nf); nd_removecont(m,nf);
1841: cont = ndc_div(m,hc,HCU(nf));
1.172 ! noro 1842: if ( nd_gentrace ) finalize_tracelist(i,cont);
1.157 noro 1843: nfv = ndtondv(m,nf);
1844: nd_free(nf);
1845: nd_bound[i] = ndv_compute_bound(nfv);
1846: if ( !m ) register_hcf(nfv);
1847: if ( nd_demand ) {
1848: ndv_save(nfv,i);
1849: ndv_free(nfv);
1850: } else
1851: nd_ps[i] = nfv;
1852: }
1853: return 1;
1.92 noro 1854: }
1855:
1.27 noro 1856: /* return value = 0 => input is not a GB */
1857:
1.168 noro 1858: NODE nd_gb(int m,int ishomo,int checkonly,int gensyz,int **indp)
1.1 noro 1859: {
1.157 noro 1860: int i,nh,sugar,stat;
1861: NODE r,g,t;
1862: ND_pairs d;
1863: ND_pairs l;
1864: ND h,nf,s,head,nf1;
1865: NDV nfv;
1866: Q q,num,den;
1.167 noro 1867: union oNDC dn,hc;
1.157 noro 1868: int diag_count = 0;
1.167 noro 1869: P cont;
1870: LIST list;
1.157 noro 1871:
1872: g = 0; d = 0;
1873: for ( i = 0; i < nd_psn; i++ ) {
1.168 noro 1874: d = update_pairs(d,g,i,gensyz);
1.157 noro 1875: g = update_base(g,i);
1876: }
1877: sugar = 0;
1878: while ( d ) {
1.1 noro 1879: again:
1.157 noro 1880: l = nd_minp(d,&d);
1881: if ( SG(l) != sugar ) {
1882: if ( ishomo ) {
1883: diag_count = 0;
1884: stat = do_diagonalize(sugar,m);
1885: if ( !stat ) {
1886: NEXT(l) = d; d = l;
1887: d = nd_reconstruct(0,d);
1888: goto again;
1889: }
1890: }
1891: sugar = SG(l);
1892: if ( DP_Print ) fprintf(asir_out,"%d",sugar);
1893: }
1894: stat = nd_sp(m,0,l,&h);
1895: if ( !stat ) {
1896: NEXT(l) = d; d = l;
1897: d = nd_reconstruct(0,d);
1898: goto again;
1899: }
1.41 noro 1900: #if USE_GEOBUCKET
1.172 ! noro 1901: stat = (m&&!nd_gentrace)?nd_nf_pbucket(m,h,nd_ps,!Top,&nf)
1.167 noro 1902: :nd_nf(m,0,h,nd_ps,!Top,0,&nf);
1.41 noro 1903: #else
1.157 noro 1904: stat = nd_nf(m,0,h,nd_ps,!Top,0,&nf);
1.41 noro 1905: #endif
1.157 noro 1906: if ( !stat ) {
1907: NEXT(l) = d; d = l;
1908: d = nd_reconstruct(0,d);
1909: goto again;
1910: } else if ( nf ) {
1.168 noro 1911: if ( checkonly || gensyz ) return 0;
1.157 noro 1912: if ( DP_Print ) { printf("+"); fflush(stdout); }
1.167 noro 1913: hc = HCU(nf);
1.157 noro 1914: nd_removecont(m,nf);
1915: if ( !m && nd_nalg ) {
1916: nd_monic(0,&nf);
1917: nd_removecont(m,nf);
1918: }
1.172 ! noro 1919: if ( nd_gentrace ) {
1.167 noro 1920: cont = ndc_div(m,hc,HCU(nf));
1921: if ( m || !UNIQ(cont) ) {
1922: t = mknode(4,0,0,0,cont);
1923: MKLIST(list,t); MKNODE(t,list,nd_tracelist);
1924: nd_tracelist = t;
1925: }
1926: }
1.157 noro 1927: nfv = ndtondv(m,nf); nd_free(nf);
1928: nh = ndv_newps(m,nfv,0);
1929: if ( !m && (ishomo && ++diag_count == diag_period) ) {
1930: diag_count = 0;
1931: stat = do_diagonalize(sugar,m);
1932: if ( !stat ) {
1933: NEXT(l) = d; d = l;
1934: d = nd_reconstruct(1,d);
1935: goto again;
1936: }
1937: }
1.168 noro 1938: d = update_pairs(d,g,nh,0);
1.157 noro 1939: g = update_base(g,nh);
1940: FREENDP(l);
1941: } else {
1.172 ! noro 1942: if ( nd_gentrace && gensyz ) {
1.168 noro 1943: nd_tracelist = reverse_node(nd_tracelist);
1944: MKLIST(list,nd_tracelist);
1945: STOQ(-1,q); t = mknode(2,q,list); MKLIST(list,t);
1946: MKNODE(t,list,nd_alltracelist);
1947: nd_alltracelist = t; nd_tracelist = 0;
1948: }
1.157 noro 1949: if ( DP_Print ) { printf("."); fflush(stdout); }
1950: FREENDP(l);
1951: }
1952: }
1.167 noro 1953: conv_ilist(nd_demand,0,g,indp);
1.157 noro 1954: if ( !checkonly && DP_Print ) { printf("nd_gb done.\n"); fflush(stdout); }
1955: return g;
1.1 noro 1956: }
1957:
1.122 noro 1958: int do_diagonalize_trace(int sugar,int m)
1.91 noro 1959: {
1.157 noro 1960: int i,nh,stat;
1961: NODE r,g,t;
1962: ND h,nf,nfq,s,head;
1963: NDV nfv,nfqv;
1964: Q q,den,num;
1.167 noro 1965: union oNDC hc;
1966: NODE node;
1967: LIST l;
1968: Q iq;
1969: P cont,cont1;
1.157 noro 1970:
1971: for ( i = nd_psn-1; i >= 0 && SG(nd_psh[i]) == sugar; i-- ) {
1.172 ! noro 1972: if ( nd_gentrace ) {
1.167 noro 1973: /* Trace = [1,index,1,1] */
1974: STOQ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
1975: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
1976: }
1.157 noro 1977: /* for nd_ps */
1978: s = ndvtond(m,nd_ps[i]);
1979: s = nd_separate_head(s,&head);
1980: stat = nd_nf_pbucket(m,s,nd_ps,1,&nf);
1981: if ( !stat ) return 0;
1982: nf = nd_add(m,head,nf);
1983: ndv_free(nd_ps[i]);
1984: nd_ps[i] = ndtondv(m,nf);
1985: nd_free(nf);
1986:
1987: /* for nd_ps_trace */
1988: if ( nd_demand )
1989: nfv = ndv_load(i);
1990: else
1991: nfv = nd_ps_trace[i];
1992: s = ndvtond(0,nfv);
1993: s = nd_separate_head(s,&head);
1994: stat = nd_nf(0,head,s,nd_ps_trace,1,0,&nf);
1995: if ( !stat ) return 0;
1996: ndv_free(nfv);
1.167 noro 1997: hc = HCU(nf); nd_removecont(0,nf);
1998: cont = ndc_div(0,hc,HCU(nf));
1.172 ! noro 1999: if ( nd_gentrace ) finalize_tracelist(i,cont);
1.157 noro 2000: nfv = ndtondv(0,nf);
2001: nd_free(nf);
2002: nd_bound[i] = ndv_compute_bound(nfv);
2003: register_hcf(nfv);
2004: if ( nd_demand ) {
2005: ndv_save(nfv,i);
2006: ndv_free(nfv);
2007: } else
2008: nd_ps_trace[i] = nfv;
2009: }
2010: return 1;
1.91 noro 2011: }
2012:
1.118 noro 2013: static struct oEGT eg_invdalg;
2014: struct oEGT eg_le;
2015:
1.147 noro 2016: void nd_subst_vector(VL vl,P p,NODE subst,P *r)
2017: {
1.157 noro 2018: NODE tn;
2019: P p1;
1.147 noro 2020:
1.157 noro 2021: for ( tn = subst; tn; tn = NEXT(NEXT(tn)) ) {
2022: substp(vl,p,BDY(tn),BDY(NEXT(tn)),&p1); p = p1;
2023: }
2024: *r = p;
1.147 noro 2025: }
2026:
1.167 noro 2027: NODE nd_gb_trace(int m,int ishomo,int **indp)
1.20 noro 2028: {
1.157 noro 2029: int i,nh,sugar,stat;
2030: NODE r,g,t;
2031: ND_pairs d;
2032: ND_pairs l;
2033: ND h,nf,nfq,s,head;
2034: NDV nfv,nfqv;
2035: Q q,den,num;
2036: P hc;
1.167 noro 2037: union oNDC dn,hnfq;
1.157 noro 2038: struct oEGT eg_monic,egm0,egm1;
2039: int diag_count = 0;
1.167 noro 2040: P cont;
2041: LIST list;
1.157 noro 2042:
2043: init_eg(&eg_monic);
2044: init_eg(&eg_invdalg);
2045: init_eg(&eg_le);
2046: g = 0; d = 0;
2047: for ( i = 0; i < nd_psn; i++ ) {
1.168 noro 2048: d = update_pairs(d,g,i,0);
1.157 noro 2049: g = update_base(g,i);
2050: }
2051: sugar = 0;
2052: while ( d ) {
1.20 noro 2053: again:
1.157 noro 2054: l = nd_minp(d,&d);
2055: if ( SG(l) != sugar ) {
1.130 noro 2056: #if 1
1.157 noro 2057: if ( ishomo ) {
2058: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2059: stat = do_diagonalize_trace(sugar,m);
2060: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2061: diag_count = 0;
2062: if ( !stat ) {
2063: NEXT(l) = d; d = l;
2064: d = nd_reconstruct(1,d);
2065: goto again;
2066: }
2067: }
1.130 noro 2068: #endif
1.157 noro 2069: sugar = SG(l);
2070: if ( DP_Print ) fprintf(asir_out,"%d",sugar);
2071: }
2072: stat = nd_sp(m,0,l,&h);
2073: if ( !stat ) {
2074: NEXT(l) = d; d = l;
2075: d = nd_reconstruct(1,d);
2076: goto again;
2077: }
1.41 noro 2078: #if USE_GEOBUCKET
1.157 noro 2079: stat = nd_nf_pbucket(m,h,nd_ps,!Top,&nf);
1.41 noro 2080: #else
1.157 noro 2081: stat = nd_nf(m,0,h,nd_ps,!Top,0,&nf);
1.41 noro 2082: #endif
1.157 noro 2083: if ( !stat ) {
2084: NEXT(l) = d; d = l;
2085: d = nd_reconstruct(1,d);
2086: goto again;
2087: } else if ( nf ) {
2088: if ( nd_demand ) {
2089: nfqv = ndv_load(nd_psn);
2090: nfq = ndvtond(0,nfqv);
2091: } else
2092: nfq = 0;
2093: if ( !nfq ) {
2094: if ( !nd_sp(0,1,l,&h) || !nd_nf(0,0,h,nd_ps_trace,!Top,0,&nfq) ) {
2095: NEXT(l) = d; d = l;
2096: d = nd_reconstruct(1,d);
2097: goto again;
2098: }
2099: }
2100: if ( nfq ) {
2101: /* m|HC(nfq) => failure */
2102: if ( nd_vc ) {
2103: nd_subst_vector(nd_vc,HCP(nfq),nd_subst,&hc); q = (Q)hc;
2104: } else
2105: q = HCQ(nfq);
2106: if ( !rem(NM(q),m) ) return 0;
2107:
2108: if ( DP_Print ) { printf("+"); fflush(stdout); }
1.167 noro 2109: hnfq = HCU(nfq);
1.157 noro 2110: if ( nd_nalg ) {
2111: /* m|DN(HC(nf)^(-1)) => failure */
2112: get_eg(&egm0);
2113: if ( !nd_monic(m,&nfq) ) return 0;
2114: get_eg(&egm1); add_eg(&eg_monic,&egm0,&egm1);
2115: nd_removecont(0,nfq); nfqv = ndtondv(0,nfq); nd_free(nfq);
2116: nfv = ndv_dup(0,nfqv); ndv_mod(m,nfv); nd_free(nf);
2117: } else {
2118: nd_removecont(0,nfq); nfqv = ndtondv(0,nfq); nd_free(nfq);
2119: nd_removecont(m,nf); nfv = ndtondv(m,nf); nd_free(nf);
2120: }
1.172 ! noro 2121: if ( nd_gentrace ) {
1.167 noro 2122: cont = ndc_div(0,hnfq,HCU(nfqv));
2123: if ( !UNIQ(cont) ) {
2124: t = mknode(4,0,0,0,cont);
2125: MKLIST(list,t); MKNODE(t,list,nd_tracelist);
2126: nd_tracelist = t;
2127: }
2128: }
1.157 noro 2129: nh = ndv_newps(0,nfv,nfqv);
2130: if ( ishomo && ++diag_count == diag_period ) {
2131: diag_count = 0;
2132: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2133: stat = do_diagonalize_trace(sugar,m);
2134: if ( DP_Print > 2 ) fprintf(asir_out,"|");
2135: if ( !stat ) {
2136: NEXT(l) = d; d = l;
2137: d = nd_reconstruct(1,d);
2138: goto again;
2139: }
2140: }
1.168 noro 2141: d = update_pairs(d,g,nh,0);
1.157 noro 2142: g = update_base(g,nh);
2143: } else {
2144: if ( DP_Print ) { printf("*"); fflush(stdout); }
2145: }
2146: } else {
2147: if ( DP_Print ) { printf("."); fflush(stdout); }
2148: }
2149: FREENDP(l);
2150: }
2151: if ( nd_nalg ) {
2152: print_eg("monic",&eg_monic);
2153: print_eg("invdalg",&eg_invdalg);
2154: print_eg("le",&eg_le);
2155: }
1.167 noro 2156: conv_ilist(nd_demand,1,g,indp);
1.157 noro 2157: if ( DP_Print ) { printf("nd_gb_trace done.\n"); fflush(stdout); }
2158: return g;
1.20 noro 2159: }
2160:
1.23 noro 2161: int ndv_compare(NDV *p1,NDV *p2)
2162: {
1.157 noro 2163: return DL_COMPARE(HDL(*p1),HDL(*p2));
1.23 noro 2164: }
2165:
2166: int ndv_compare_rev(NDV *p1,NDV *p2)
2167: {
1.157 noro 2168: return -DL_COMPARE(HDL(*p1),HDL(*p2));
1.23 noro 2169: }
2170:
1.167 noro 2171: int ndvi_compare(NDVI p1,NDVI p2)
2172: {
2173: return DL_COMPARE(HDL(p1->p),HDL(p2->p));
2174: }
2175:
2176: int ndvi_compare_rev(NDVI p1,NDVI p2)
2177: {
2178: return -DL_COMPARE(HDL(p1->p),HDL(p2->p));
2179: }
2180:
1.61 noro 2181: NODE ndv_reduceall(int m,NODE f)
1.23 noro 2182: {
1.167 noro 2183: int i,j,n,stat;
1.157 noro 2184: ND nf,g,head;
2185: NODE t,a0,a;
2186: union oNDC dn;
2187: Q q,num,den;
1.167 noro 2188: NODE node;
2189: LIST l;
2190: Q iq,jq;
2191: int *perm;
2192: union oNDC hc;
2193: P cont,cont1;
1.23 noro 2194:
1.157 noro 2195: n = length(f);
2196: ndv_setup(m,0,f,0,1);
1.167 noro 2197: perm = (int *)MALLOC(n*sizeof(int));
1.172 ! noro 2198: if ( nd_gentrace ) {
1.167 noro 2199: for ( t = nd_tracelist, i = 0; i < n; i++, t = NEXT(t) )
2200: perm[i] = QTOS((Q)ARG1(BDY((LIST)BDY(t))));
2201: }
1.157 noro 2202: for ( i = 0; i < n; ) {
1.172 ! noro 2203: if ( nd_gentrace ) {
1.167 noro 2204: /* Trace = [1,index,1,1] */
2205: STOQ(i,iq); node = mknode(4,ONE,iq,ONE,ONE);
2206: MKLIST(l,node); MKNODE(nd_tracelist,l,0);
2207: }
1.157 noro 2208: g = ndvtond(m,nd_ps[i]);
2209: g = nd_separate_head(g,&head);
2210: stat = nd_nf(m,head,g,nd_ps,1,0,&nf);
2211: if ( !stat )
2212: nd_reconstruct(0,0);
2213: else {
2214: if ( DP_Print ) { printf("."); fflush(stdout); }
2215: ndv_free(nd_ps[i]);
1.167 noro 2216: hc = HCU(nf); nd_removecont(m,nf);
1.172 ! noro 2217: if ( nd_gentrace ) {
1.167 noro 2218: for ( t = nd_tracelist; t; t = NEXT(t) ) {
2219: jq = ARG1(BDY((LIST)BDY(t))); j = QTOS(jq);
2220: STOQ(perm[j],jq); ARG1(BDY((LIST)BDY(t))) = jq;
2221: }
2222: cont = ndc_div(m,hc,HCU(nf));
2223: finalize_tracelist(perm[i],cont);
2224: }
1.157 noro 2225: nd_ps[i] = ndtondv(m,nf); nd_free(nf);
2226: nd_bound[i] = ndv_compute_bound(nd_ps[i]);
2227: i++;
2228: }
2229: }
2230: if ( DP_Print ) { printf("\n"); }
2231: for ( a0 = 0, i = 0; i < n; i++ ) {
2232: NEXTNODE(a0,a);
1.172 ! noro 2233: if ( !nd_gentrace ) BDY(a) = (pointer)nd_ps[i];
1.167 noro 2234: else {
2235: for ( j = 0; j < n; j++ ) if ( perm[j] == i ) break;
2236: BDY(a) = (pointer)nd_ps[j];
2237: }
1.157 noro 2238: }
2239: NEXT(a) = 0;
2240: return a0;
1.23 noro 2241: }
2242:
1.168 noro 2243: ND_pairs update_pairs( ND_pairs d, NODE /* of index */ g, int t, int gensyz)
1.1 noro 2244: {
1.157 noro 2245: ND_pairs d1,nd,cur,head,prev,remove;
1.1 noro 2246:
1.157 noro 2247: if ( !g ) return d;
1.168 noro 2248: /* for testing */
1.172 ! noro 2249: if ( gensyz && nd_gensyz == 2 ) {
1.168 noro 2250: d1 = nd_newpairs(g,t);
2251: if ( !d )
2252: return d1;
2253: else {
2254: nd = d;
2255: while ( NEXT(nd) ) nd = NEXT(nd);
2256: NEXT(nd) = d1;
2257: return d;
2258: }
2259: }
1.157 noro 2260: d = crit_B(d,t);
2261: d1 = nd_newpairs(g,t);
2262: d1 = crit_M(d1);
2263: d1 = crit_F(d1);
1.168 noro 2264: if ( gensyz || do_weyl )
1.157 noro 2265: head = d1;
2266: else {
2267: prev = 0; cur = head = d1;
2268: while ( cur ) {
2269: if ( crit_2( cur->i1,cur->i2 ) ) {
2270: remove = cur;
2271: if ( !prev ) head = cur = NEXT(cur);
2272: else cur = NEXT(prev) = NEXT(cur);
2273: FREENDP(remove);
2274: } else {
2275: prev = cur; cur = NEXT(cur);
2276: }
2277: }
2278: }
2279: if ( !d )
2280: return head;
2281: else {
2282: nd = d;
2283: while ( NEXT(nd) ) nd = NEXT(nd);
2284: NEXT(nd) = head;
2285: return d;
2286: }
1.1 noro 2287: }
2288:
1.157 noro 2289:
1.1 noro 2290: ND_pairs nd_newpairs( NODE g, int t )
2291: {
1.157 noro 2292: NODE h;
2293: UINT *dl;
2294: int ts,s;
2295: ND_pairs r,r0;
2296:
2297: dl = DL(nd_psh[t]);
2298: ts = SG(nd_psh[t]) - TD(dl);
2299: for ( r0 = 0, h = g; h; h = NEXT(h) ) {
1.159 noro 2300: if ( nd_module && (MPOS(DL(nd_psh[(long)BDY(h)])) != MPOS(dl)) )
1.157 noro 2301: continue;
2302: NEXTND_pairs(r0,r);
1.159 noro 2303: r->i1 = (long)BDY(h);
1.157 noro 2304: r->i2 = t;
2305: ndl_lcm(DL(nd_psh[r->i1]),dl,r->lcm);
2306: s = SG(nd_psh[r->i1])-TD(DL(nd_psh[r->i1]));
2307: SG(r) = MAX(s,ts) + TD(LCM(r));
2308: }
2309: if ( r0 ) NEXT(r) = 0;
2310: return r0;
1.1 noro 2311: }
2312:
1.157 noro 2313: /* kokokara */
2314:
1.1 noro 2315: ND_pairs crit_B( ND_pairs d, int s )
2316: {
1.157 noro 2317: ND_pairs cur,head,prev,remove;
2318: UINT *t,*tl,*lcm;
2319: int td,tdl;
2320:
2321: if ( !d ) return 0;
2322: t = DL(nd_psh[s]);
2323: prev = 0;
2324: head = cur = d;
2325: lcm = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
2326: while ( cur ) {
2327: tl = cur->lcm;
1.163 noro 2328: if ( ndl_reducible(tl,t) ) {
2329: ndl_lcm(DL(nd_psh[cur->i1]),t,lcm);
1.167 noro 2330: if ( !ndl_equal(lcm,tl) ) {
2331: ndl_lcm(DL(nd_psh[cur->i2]),t,lcm);
2332: if (!ndl_equal(lcm,tl)) {
2333: remove = cur;
2334: if ( !prev ) {
2335: head = cur = NEXT(cur);
2336: } else {
2337: cur = NEXT(prev) = NEXT(cur);
2338: }
2339: FREENDP(remove);
2340: } else {
2341: prev = cur; cur = NEXT(cur);
2342: }
2343: } else {
2344: prev = cur; cur = NEXT(cur);
2345: }
1.157 noro 2346: } else {
2347: prev = cur; cur = NEXT(cur);
2348: }
2349: }
2350: return head;
1.1 noro 2351: }
2352:
2353: ND_pairs crit_M( ND_pairs d1 )
2354: {
1.157 noro 2355: ND_pairs e,d2,d3,dd,p;
2356: UINT *id,*jd;
1.1 noro 2357:
1.157 noro 2358: if ( !d1 ) return d1;
2359: for ( dd = 0, e = d1; e; e = d3 ) {
2360: if ( !(d2 = NEXT(e)) ) {
2361: NEXT(e) = dd;
2362: return e;
2363: }
2364: id = LCM(e);
2365: for ( d3 = 0; d2; d2 = p ) {
2366: p = NEXT(d2);
2367: jd = LCM(d2);
2368: if ( ndl_equal(jd,id) )
2369: ;
2370: else if ( TD(jd) > TD(id) )
2371: if ( ndl_reducible(jd,id) ) continue;
2372: else ;
2373: else if ( ndl_reducible(id,jd) ) goto delit;
2374: NEXT(d2) = d3;
2375: d3 = d2;
2376: }
2377: NEXT(e) = dd;
2378: dd = e;
2379: continue;
2380: /**/
2381: delit: NEXT(d2) = d3;
2382: d3 = d2;
2383: for ( ; p; p = d2 ) {
2384: d2 = NEXT(p);
2385: NEXT(p) = d3;
2386: d3 = p;
2387: }
2388: FREENDP(e);
2389: }
2390: return dd;
1.1 noro 2391: }
2392:
2393: ND_pairs crit_F( ND_pairs d1 )
2394: {
1.157 noro 2395: ND_pairs rest, head,remove;
2396: ND_pairs last, p, r, w;
2397: int s;
2398:
2399: if ( !d1 ) return d1;
2400: for ( head = last = 0, p = d1; NEXT(p); ) {
2401: r = w = equivalent_pairs(p,&rest);
2402: s = SG(r);
2403: w = NEXT(w);
2404: while ( w ) {
2405: if ( crit_2(w->i1,w->i2) ) {
2406: r = w;
2407: w = NEXT(w);
2408: while ( w ) {
2409: remove = w;
2410: w = NEXT(w);
2411: FREENDP(remove);
2412: }
2413: break;
2414: } else if ( SG(w) < s ) {
2415: FREENDP(r);
2416: r = w;
2417: s = SG(r);
2418: w = NEXT(w);
2419: } else {
2420: remove = w;
2421: w = NEXT(w);
2422: FREENDP(remove);
2423: }
2424: }
2425: if ( last ) NEXT(last) = r;
2426: else head = r;
2427: NEXT(last = r) = 0;
2428: p = rest;
2429: if ( !p ) return head;
2430: }
2431: if ( !last ) return p;
2432: NEXT(last) = p;
2433: return head;
1.1 noro 2434: }
2435:
2436: int crit_2( int dp1, int dp2 )
2437: {
1.157 noro 2438: return ndl_disjoint(DL(nd_psh[dp1]),DL(nd_psh[dp2]));
1.1 noro 2439: }
2440:
1.40 noro 2441: ND_pairs equivalent_pairs( ND_pairs d1, ND_pairs *prest )
1.1 noro 2442: {
1.157 noro 2443: ND_pairs w,p,r,s;
2444: UINT *d;
1.1 noro 2445:
1.157 noro 2446: w = d1;
2447: d = LCM(w);
2448: s = NEXT(w);
2449: NEXT(w) = 0;
2450: for ( r = 0; s; s = p ) {
2451: p = NEXT(s);
2452: if ( ndl_equal(d,LCM(s)) ) {
2453: NEXT(s) = w; w = s;
2454: } else {
2455: NEXT(s) = r; r = s;
2456: }
2457: }
2458: *prest = r;
2459: return w;
1.1 noro 2460: }
2461:
2462: NODE update_base(NODE nd,int ndp)
2463: {
1.157 noro 2464: UINT *dl, *dln;
2465: NODE last, p, head;
1.1 noro 2466:
1.157 noro 2467: dl = DL(nd_psh[ndp]);
2468: for ( head = last = 0, p = nd; p; ) {
1.159 noro 2469: dln = DL(nd_psh[(long)BDY(p)]);
1.157 noro 2470: if ( ndl_reducible( dln, dl ) ) {
2471: p = NEXT(p);
2472: if ( last ) NEXT(last) = p;
2473: } else {
2474: if ( !last ) head = p;
2475: p = NEXT(last = p);
2476: }
2477: }
2478: head = append_one(head,ndp);
2479: return head;
1.1 noro 2480: }
2481:
2482: ND_pairs nd_minp( ND_pairs d, ND_pairs *prest )
2483: {
1.157 noro 2484: ND_pairs m,ml,p,l;
2485: UINT *lcm;
2486: int s,td,len,tlen,c,c1;
2487:
2488: if ( !(p = NEXT(m = d)) ) {
2489: *prest = p;
2490: NEXT(m) = 0;
2491: return m;
2492: }
2493: s = SG(m);
2494: if ( !NoSugar ) {
2495: for ( ml = 0, l = m; p; p = NEXT(l = p) )
2496: if ( (SG(p) < s)
2497: || ((SG(p) == s) && (DL_COMPARE(LCM(p),LCM(m)) < 0)) ) {
2498: ml = l; m = p; s = SG(m);
2499: }
2500: } else {
2501: for ( ml = 0, l = m; p; p = NEXT(l = p) )
2502: if ( DL_COMPARE(LCM(p),LCM(m)) < 0 ) {
2503: ml = l; m = p; s = SG(m);
2504: }
2505: }
2506: if ( !ml ) *prest = NEXT(m);
2507: else {
2508: NEXT(ml) = NEXT(m);
2509: *prest = d;
2510: }
2511: NEXT(m) = 0;
2512: return m;
1.1 noro 2513: }
2514:
1.63 noro 2515: ND_pairs nd_minsugarp( ND_pairs d, ND_pairs *prest )
2516: {
1.157 noro 2517: int msugar,i;
2518: ND_pairs t,dm0,dm,dr0,dr;
1.63 noro 2519:
1.157 noro 2520: for ( msugar = SG(d), t = NEXT(d); t; t = NEXT(t) )
2521: if ( SG(t) < msugar ) msugar = SG(t);
2522: dm0 = 0; dr0 = 0;
2523: for ( i = 0, t = d; t; t = NEXT(t) )
2524: if ( i < nd_f4_nsp && SG(t) == msugar ) {
2525: if ( dm0 ) NEXT(dm) = t;
2526: else dm0 = t;
2527: dm = t;
2528: i++;
2529: } else {
2530: if ( dr0 ) NEXT(dr) = t;
2531: else dr0 = t;
2532: dr = t;
2533: }
2534: NEXT(dm) = 0;
2535: if ( dr0 ) NEXT(dr) = 0;
2536: *prest = dr0;
2537: return dm0;
1.63 noro 2538: }
2539:
1.77 noro 2540: int ndv_newps(int m,NDV a,NDV aq)
1.1 noro 2541: {
1.157 noro 2542: int len;
2543: RHist r;
2544: NDV b;
1.167 noro 2545: NODE tn;
2546: LIST l;
2547: Q iq;
1.157 noro 2548:
2549: if ( nd_psn == nd_pslen ) {
2550: nd_pslen *= 2;
2551: nd_ps = (NDV *)REALLOC((char *)nd_ps,nd_pslen*sizeof(NDV));
2552: nd_ps_trace = (NDV *)REALLOC((char *)nd_ps_trace,nd_pslen*sizeof(NDV));
2553: nd_psh = (RHist *)REALLOC((char *)nd_psh,nd_pslen*sizeof(RHist));
2554: nd_bound = (UINT **)
2555: REALLOC((char *)nd_bound,nd_pslen*sizeof(UINT *));
2556: }
2557: NEWRHist(r); nd_psh[nd_psn] = r;
2558: nd_ps[nd_psn] = a;
2559: if ( aq ) {
2560: nd_ps_trace[nd_psn] = aq;
2561: register_hcf(aq);
2562: nd_bound[nd_psn] = ndv_compute_bound(aq);
2563: SG(r) = SG(aq); ndl_copy(HDL(aq),DL(r));
2564: } else {
2565: if ( !m ) register_hcf(a);
2566: nd_bound[nd_psn] = ndv_compute_bound(a);
2567: SG(r) = SG(a); ndl_copy(HDL(a),DL(r));
2568: }
2569: if ( nd_demand ) {
2570: if ( aq ) {
2571: ndv_save(nd_ps_trace[nd_psn],nd_psn);
2572: nd_ps_trace[nd_psn] = 0;
2573: } else {
2574: ndv_save(nd_ps[nd_psn],nd_psn);
2575: nd_ps[nd_psn] = 0;
2576: }
2577: }
1.172 ! noro 2578: if ( nd_gentrace ) {
1.167 noro 2579: /* reverse the tracelist and append it to alltracelist */
2580: nd_tracelist = reverse_node(nd_tracelist); MKLIST(l,nd_tracelist);
2581: STOQ(nd_psn,iq); tn = mknode(2,iq,l); MKLIST(l,tn);
2582: MKNODE(tn,l,nd_alltracelist); nd_alltracelist = tn; nd_tracelist = 0;
2583: }
1.157 noro 2584: return nd_psn++;
1.1 noro 2585: }
2586:
1.167 noro 2587: /* nd_tracelist = [[0,index,div],...,[nd_psn-1,index,div]] */
2588:
1.151 noro 2589: void ndv_setup(int mod,int trace,NODE f,int dont_sort,int dont_removecont)
1.1 noro 2590: {
1.157 noro 2591: int i,j,td,len,max;
1.167 noro 2592: NODE s,s0,f0,tn;
1.157 noro 2593: UINT *d;
2594: RHist r;
1.167 noro 2595: NDVI w;
1.157 noro 2596: NDV a,am;
1.167 noro 2597: union oNDC hc;
2598: NODE node;
2599: P hcp;
2600: Q iq,jq,hcq;
2601: LIST l;
1.157 noro 2602:
2603: nd_found = 0; nd_notfirst = 0; nd_create = 0;
1.167 noro 2604: /* initialize the tracelist */
2605: nd_tracelist = 0;
1.157 noro 2606:
2607: for ( nd_psn = 0, s = f; s; s = NEXT(s) ) if ( BDY(s) ) nd_psn++;
1.167 noro 2608: w = (NDVI)ALLOCA(nd_psn*sizeof(struct oNDVI));
2609: for ( i = j = 0, s = f; s; s = NEXT(s), j++ )
2610: if ( BDY(s) ) { w[i].p = BDY(s); w[i].i = j; i++; }
1.157 noro 2611: if ( !dont_sort ) {
2612: /* XXX heuristic */
2613: if ( !nd_ord->id && (nd_ord->ord.simple<2) )
1.167 noro 2614: qsort(w,nd_psn,sizeof(struct oNDVI),
2615: (int (*)(const void *,const void *))ndvi_compare_rev);
1.157 noro 2616: else
1.167 noro 2617: qsort(w,nd_psn,sizeof(struct oNDVI),
2618: (int (*)(const void *,const void *))ndvi_compare);
1.157 noro 2619: }
2620: nd_pslen = 2*nd_psn;
2621: nd_ps = (NDV *)MALLOC(nd_pslen*sizeof(NDV));
2622: nd_ps_trace = (NDV *)MALLOC(nd_pslen*sizeof(NDV));
2623: nd_psh = (RHist *)MALLOC(nd_pslen*sizeof(RHist));
2624: nd_bound = (UINT **)MALLOC(nd_pslen*sizeof(UINT *));
2625: nd_hcf = 0;
2626:
2627: if ( trace && nd_vc )
2628: makesubst(nd_vc,&nd_subst);
2629: else
2630: nd_subst = 0;
2631:
2632: if ( !nd_red )
2633: nd_red = (RHist *)MALLOC(REDTAB_LEN*sizeof(RHist));
2634: for ( i = 0; i < REDTAB_LEN; i++ ) nd_red[i] = 0;
2635: for ( i = 0; i < nd_psn; i++ ) {
1.167 noro 2636: hc = HCU(w[i].p);
1.157 noro 2637: if ( trace ) {
1.167 noro 2638: a = nd_ps_trace[i] = ndv_dup(0,w[i].p);
1.157 noro 2639: if ( !dont_removecont) ndv_removecont(0,a);
2640: register_hcf(a);
2641: am = nd_ps[i] = ndv_dup(mod,a);
2642: ndv_mod(mod,am);
2643: ndv_removecont(mod,am);
2644: } else {
1.167 noro 2645: a = nd_ps[i] = ndv_dup(mod,w[i].p);
1.157 noro 2646: if ( mod || !dont_removecont ) ndv_removecont(mod,a);
2647: if ( !mod ) register_hcf(a);
2648: }
1.172 ! noro 2649: if ( nd_gentrace ) {
1.167 noro 2650: STOQ(i,iq); STOQ(w[i].i,jq); node = mknode(3,iq,jq,ONE);
1.168 noro 2651: if ( !dont_removecont )
2652: ARG2(node) = (pointer)ndc_div(trace?0:mod,hc,HCU(a));
1.167 noro 2653: MKLIST(l,node); NEXTNODE(nd_tracelist,tn); BDY(tn) = l;
2654: }
1.157 noro 2655: NEWRHist(r); SG(r) = HTD(a); ndl_copy(HDL(a),DL(r));
2656: nd_bound[i] = ndv_compute_bound(a);
2657: nd_psh[i] = r;
2658: if ( nd_demand ) {
2659: if ( trace ) {
2660: ndv_save(nd_ps_trace[i],i);
2661: nd_ps_trace[i] = 0;
2662: } else {
2663: ndv_save(nd_ps[i],i);
2664: nd_ps[i] = 0;
2665: }
2666: }
2667: }
1.172 ! noro 2668: if ( nd_gentrace && nd_tracelist ) NEXT(tn) = 0;
1.20 noro 2669: }
2670:
1.119 noro 2671: struct order_spec *append_block(struct order_spec *spec,
2672: int nv,int nalg,int ord);
2673:
1.121 noro 2674: extern VECT current_dl_weight_vector_obj;
2675: static VECT prev_weight_vector_obj;
2676:
1.120 noro 2677: void preprocess_algcoef(VL vv,VL av,struct order_spec *ord,LIST f,
1.157 noro 2678: struct order_spec **ord1p,LIST *f1p,NODE *alistp)
1.120 noro 2679: {
1.157 noro 2680: NODE alist,t,s,r0,r,arg;
2681: VL tv;
2682: P poly;
2683: DP d;
2684: Alg alpha,dp;
2685: DAlg inv,da,hc;
2686: MP m;
2687: int i,nvar,nalg,n;
2688: NumberField nf;
2689: LIST f1,f2;
2690: struct order_spec *current_spec;
2691: VECT obj,obj0;
2692: Obj tmp;
2693:
2694: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++);
2695: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++);
2696:
2697: for ( alist = 0, tv = av; tv; tv = NEXT(tv) ) {
2698: NEXTNODE(alist,t); MKV(tv->v,poly);
2699: MKAlg(poly,alpha); BDY(t) = (pointer)alpha;
2700: tv->v = tv->v->priv;
2701: }
2702: NEXT(t) = 0;
2703:
1.167 noro 2704: /* simplification, making polynomials monic */
1.157 noro 2705: setfield_dalg(alist);
2706: obj_algtodalg(f,&f1);
2707: for ( t = BDY(f); t; t = NEXT(t) ) {
2708: initd(ord); ptod(vv,vv,(P)BDY(t),&d);
2709: hc = (DAlg)BDY(d)->c;
2710: if ( NID(hc) == N_DA ) {
2711: invdalg(hc,&inv);
2712: for ( m = BDY(d); m; m = NEXT(m) ) {
2713: muldalg(inv,(DAlg)m->c,&da); m->c = (P)da;
2714: }
2715: }
2716: initd(ord); dtop(vv,vv,d,&poly); BDY(f) = (pointer)poly;
2717: }
2718: obj_dalgtoalg(f1,&f);
2719:
2720: /* append alg vars to the var list */
2721: for ( tv = vv; NEXT(tv); tv = NEXT(tv) );
2722: NEXT(tv) = av;
2723:
2724: /* append a block to ord */
2725: *ord1p = append_block(ord,nvar,nalg,2);
2726:
2727: /* create generator list */
2728: nf = get_numberfield();
2729: for ( i = nalg-1, t = BDY(f); i >= 0; i-- ) {
2730: MKAlg(nf->defpoly[i],dp);
2731: MKNODE(s,dp,t); t = s;
2732: }
2733: MKLIST(f1,t);
2734: *alistp = alist;
2735: algobjtorat(f1,f1p);
2736:
2737: /* creating a new weight vector */
2738: prev_weight_vector_obj = obj0 = current_dl_weight_vector_obj;
2739: n = nvar+nalg+1;
2740: MKVECT(obj,n);
2741: if ( obj0 && obj0->len == nvar )
2742: for ( i = 0; i < nvar; i++ ) BDY(obj)[i] = BDY(obj0)[i];
2743: else
2744: for ( i = 0; i < nvar; i++ ) BDY(obj)[i] = (pointer)ONE;
2745: for ( i = 0; i < nalg; i++ ) BDY(obj)[i+nvar] = 0;
2746: BDY(obj)[n-1] = (pointer)ONE;
2747: arg = mknode(1,obj);
2748: Pdp_set_weight(arg,&tmp);
1.121 noro 2749: }
2750:
2751: NODE postprocess_algcoef(VL av,NODE alist,NODE r)
2752: {
1.157 noro 2753: NODE s,t,u0,u;
2754: P p;
2755: VL tv;
2756: Obj obj,tmp;
2757: NODE arg;
2758:
2759: u0 = 0;
2760: for ( t = r; t; t = NEXT(t) ) {
2761: p = (P)BDY(t);
2762: for ( tv = av, s = alist; tv; tv = NEXT(tv), s = NEXT(s) ) {
2763: substr(CO,0,(Obj)p,tv->v,(Obj)BDY(s),&obj); p = (P)obj;
2764: }
2765: if ( OID(p) == O_P || (OID(p) == O_N && NID((Num)p) != N_A) ) {
2766: NEXTNODE(u0,u);
2767: BDY(u) = (pointer)p;
2768: }
2769: }
2770: arg = mknode(1,prev_weight_vector_obj);
2771: Pdp_set_weight(arg,&tmp);
1.121 noro 2772:
1.157 noro 2773: return u0;
1.120 noro 2774: }
2775:
1.63 noro 2776: void nd_gr(LIST f,LIST v,int m,int f4,struct order_spec *ord,LIST *rp)
1.1 noro 2777: {
1.157 noro 2778: VL tv,fv,vv,vc,av;
2779: NODE fd,fd0,r,r0,t,x,s,xx,alist;
2780: int e,max,nvar,i;
2781: NDV b;
2782: int ishomo,nalg,mrank,trank;
2783: Alg alpha,dp;
2784: P p,zp;
2785: Q dmy;
2786: LIST f1,f2,zpl;
2787: Obj obj;
2788: NumberField nf;
2789: struct order_spec *ord1;
1.170 noro 2790: NODE tr,tl1,tl2,tl3,tl4;
2791: LIST l1,l2,l3,l4,l5;
1.167 noro 2792: int j;
2793: Q jq;
2794: int *perm;
1.170 noro 2795: EPOS oepos;
2796: int obpe,oadv,ompos;
1.1 noro 2797:
1.172 ! noro 2798: nd_module;
1.157 noro 2799: if ( !m && Demand ) nd_demand = 1;
2800: else nd_demand = 0;
1.172 ! noro 2801: parse_nd_option(current_option);
1.78 noro 2802:
1.157 noro 2803: if ( DP_Multiple )
2804: nd_scale = ((double)DP_Multiple)/(double)(Denominator?Denominator:1);
1.103 noro 2805: #if 0
1.157 noro 2806: ndv_alloc = 0;
1.103 noro 2807: #endif
1.157 noro 2808: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
2809: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
2810: switch ( ord->id ) {
2811: case 1:
2812: if ( ord->nv != nvar )
2813: error("nd_{gr,f4} : invalid order specification");
2814: break;
2815: default:
2816: break;
2817: }
2818: nd_nalg = 0;
2819: av = 0;
2820: if ( !m ) {
2821: get_algtree((Obj)f,&av);
2822: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
2823: nd_ntrans = nvar;
2824: nd_nalg = nalg;
2825: /* #i -> t#i */
2826: if ( nalg ) {
2827: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
2828: ord = ord1;
2829: f = f1;
2830: }
2831: nvar += nalg;
2832: }
2833: nd_init_ord(ord);
2834: mrank = 0;
2835: for ( t = BDY(f), max = 0; t; t = NEXT(t) )
2836: for ( tv = vv; tv; tv = NEXT(tv) ) {
2837: if ( nd_module ) {
2838: s = BDY((LIST)BDY(t));
2839: trank = length(s);
2840: mrank = MAX(mrank,trank);
2841: for ( ; s; s = NEXT(s) ) {
2842: e = getdeg(tv->v,(P)BDY(s));
2843: max = MAX(e,max);
2844: }
2845: } else {
2846: e = getdeg(tv->v,(P)BDY(t));
2847: max = MAX(e,max);
2848: }
2849: }
2850: nd_setup_parameters(nvar,max);
1.170 noro 2851: obpe = nd_bpe; oadv = nmv_adv; oepos = nd_epos; ompos = nd_mpos;
1.157 noro 2852: ishomo = 1;
2853: for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
1.167 noro 2854: if ( nd_module ) {
1.172 ! noro 2855: if ( !m && !nd_gentrace ) pltozpl((LIST)BDY(t),&dmy,&zpl);
1.167 noro 2856: else zpl = (LIST)BDY(t);
1.157 noro 2857: b = (pointer)pltondv(CO,vv,zpl);
2858: } else {
1.172 ! noro 2859: if ( !m && !nd_gentrace ) ptozp((P)BDY(t),1,&dmy,&zp);
1.167 noro 2860: else zp = (P)BDY(t);
1.157 noro 2861: b = (pointer)ptondv(CO,vv,zp);
1.167 noro 2862: }
1.157 noro 2863: if ( ishomo )
2864: ishomo = ishomo && ndv_ishomo(b);
2865: if ( m ) ndv_mod(m,b);
2866: if ( b ) { NEXTNODE(fd0,fd); BDY(fd) = (pointer)b; }
2867: }
2868: if ( fd0 ) NEXT(fd) = 0;
2869: ndv_setup(m,0,fd0,0,0);
1.172 ! noro 2870: if ( nd_gentrace ) {
1.167 noro 2871: MKLIST(l1,nd_tracelist); MKNODE(nd_alltracelist,l1,0);
2872: }
1.168 noro 2873: x = f4?nd_f4(m,&perm):nd_gb(m,ishomo,0,0,&perm);
1.157 noro 2874: nd_demand = 0;
1.167 noro 2875: x = ndv_reducebase(x,perm);
1.172 ! noro 2876: if ( nd_gentrace ) { tl1 = nd_alltracelist; nd_alltracelist = 0; }
1.157 noro 2877: x = ndv_reduceall(m,x);
1.172 ! noro 2878: if ( nd_gentrace ) {
1.170 noro 2879: tl2 = nd_alltracelist; nd_alltracelist = 0;
2880: ndv_check_membership(m,fd0,obpe,oadv,oepos,x);
1.172 ! noro 2881: if ( nd_gentrace ) {
1.170 noro 2882: tl3 = nd_alltracelist; nd_alltracelist = 0;
2883: } else tl3 = 0;
1.172 ! noro 2884: nd_gb(m,0,1,nd_gensyz?1:0,0)!=0;
! 2885: if ( nd_gentrace && nd_gensyz ) {
1.170 noro 2886: tl4 = nd_alltracelist; nd_alltracelist = 0;
2887: } else tl4 = 0;
2888: }
1.157 noro 2889: for ( r0 = 0, t = x; t; t = NEXT(t) ) {
2890: NEXTNODE(r0,r);
1.167 noro 2891: if ( nd_module ) BDY(r) = ndvtopl(m,CO,vv,BDY(t),mrank);
1.157 noro 2892: else BDY(r) = ndvtop(m,CO,vv,BDY(t));
2893: }
2894: if ( r0 ) NEXT(r) = 0;
2895: if ( nalg )
2896: r0 = postprocess_algcoef(av,alist,r0);
2897: MKLIST(*rp,r0);
1.172 ! noro 2898: if ( nd_gentrace ) {
1.167 noro 2899: tl1 = reverse_node(tl1); tl2 = reverse_node(tl2);
1.170 noro 2900: tl3 = reverse_node(tl3);
1.167 noro 2901: /* tl2 = [[i,[[*,j,*,*],...]],...] */
2902: for ( t = tl2; t; t = NEXT(t) ) {
2903: /* s = [i,[*,j,*,*],...] */
2904: s = BDY((LIST)BDY(t));
2905: j = perm[QTOS((Q)ARG0(s))]; STOQ(j,jq); ARG0(s) = (pointer)jq;
2906: for ( s = BDY((LIST)ARG1(s)); s; s = NEXT(s) ) {
2907: j = perm[QTOS((Q)ARG1(BDY((LIST)BDY(s))))]; STOQ(j,jq);
2908: ARG1(BDY((LIST)BDY(s))) = (pointer)jq;
2909: }
2910: }
2911: for ( j = length(x)-1, t = 0; j >= 0; j-- ) {
2912: STOQ(perm[j],jq); MKNODE(s,jq,t); t = s;
2913: }
1.170 noro 2914: MKLIST(l1,tl1); MKLIST(l2,tl2); MKLIST(l3,t); MKLIST(l4,tl3);
2915: MKLIST(l5,tl4);
2916: tr = mknode(7,*rp,0,l1,l2,l3,l4,l5); MKLIST(*rp,tr);
1.167 noro 2917: }
1.103 noro 2918: #if 0
1.157 noro 2919: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
1.103 noro 2920: #endif
1.127 noro 2921: }
2922:
2923: void nd_gr_postproc(LIST f,LIST v,int m,struct order_spec *ord,int do_check,LIST *rp)
2924: {
1.157 noro 2925: VL tv,fv,vv,vc,av;
2926: NODE fd,fd0,r,r0,t,x,s,xx,alist;
2927: int e,max,nvar,i;
2928: NDV b;
2929: int ishomo,nalg;
2930: Alg alpha,dp;
2931: P p,zp;
2932: Q dmy;
2933: LIST f1,f2;
2934: Obj obj;
2935: NumberField nf;
2936: struct order_spec *ord1;
1.167 noro 2937: int *perm;
1.157 noro 2938:
2939: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
2940: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
2941: switch ( ord->id ) {
2942: case 1:
2943: if ( ord->nv != nvar )
2944: error("nd_check : invalid order specification");
2945: break;
2946: default:
2947: break;
2948: }
2949: nd_nalg = 0;
2950: av = 0;
2951: if ( !m ) {
2952: get_algtree((Obj)f,&av);
2953: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
2954: nd_ntrans = nvar;
2955: nd_nalg = nalg;
2956: /* #i -> t#i */
2957: if ( nalg ) {
2958: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
2959: ord = ord1;
2960: f = f1;
2961: }
2962: nvar += nalg;
2963: }
2964: nd_init_ord(ord);
2965: for ( t = BDY(f), max = 0; t; t = NEXT(t) )
2966: for ( tv = vv; tv; tv = NEXT(tv) ) {
2967: e = getdeg(tv->v,(P)BDY(t));
2968: max = MAX(e,max);
2969: }
2970: nd_setup_parameters(nvar,max);
2971: ishomo = 1;
2972: for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
2973: ptozp((P)BDY(t),1,&dmy,&zp);
2974: b = (pointer)ptondv(CO,vv,zp);
2975: if ( ishomo )
2976: ishomo = ishomo && ndv_ishomo(b);
2977: if ( m ) ndv_mod(m,b);
2978: if ( b ) { NEXTNODE(fd0,fd); BDY(fd) = (pointer)b; }
2979: }
2980: if ( fd0 ) NEXT(fd) = 0;
2981: ndv_setup(m,0,fd0,0,1);
2982: for ( x = 0, i = 0; i < nd_psn; i++ )
2983: x = update_base(x,i);
2984: if ( do_check ) {
1.168 noro 2985: x = nd_gb(m,ishomo,1,0,&perm);
1.157 noro 2986: if ( !x ) {
2987: *rp = 0;
2988: return;
2989: }
2990: } else {
2991: for ( t = x; t; t = NEXT(t) )
1.159 noro 2992: BDY(t) = (pointer)nd_ps[(long)BDY(t)];
1.157 noro 2993: }
1.167 noro 2994: x = ndv_reducebase(x,perm);
1.157 noro 2995: x = ndv_reduceall(m,x);
2996: for ( r0 = 0, t = x; t; t = NEXT(t) ) {
2997: NEXTNODE(r0,r);
2998: BDY(r) = ndvtop(m,CO,vv,BDY(t));
2999: }
3000: if ( r0 ) NEXT(r) = 0;
3001: if ( nalg )
3002: r0 = postprocess_algcoef(av,alist,r0);
3003: MKLIST(*rp,r0);
1.20 noro 3004: }
3005:
1.133 noro 3006: void nd_gr_trace(LIST f,LIST v,int trace,int homo,int f4,struct order_spec *ord,LIST *rp)
1.20 noro 3007: {
1.157 noro 3008: VL tv,fv,vv,vc,av;
3009: NODE fd,fd0,in0,in,r,r0,t,s,cand,alist;
3010: int m,nocheck,nvar,mindex,e,max;
3011: NDV c;
3012: NMV a;
3013: P p,zp;
3014: Q dmy;
3015: EPOS oepos;
1.164 noro 3016: int obpe,oadv,wmax,i,len,cbpe,ishomo,nalg,mrank,trank,ompos;
1.157 noro 3017: Alg alpha,dp;
3018: P poly;
1.158 noro 3019: LIST f1,f2,zpl;
1.157 noro 3020: Obj obj;
3021: NumberField nf;
3022: struct order_spec *ord1;
3023: struct oEGT eg_check,eg0,eg1;
1.168 noro 3024: NODE tr,tl1,tl2,tl3,tl4;
3025: LIST l1,l2,l3,l4,l5;
1.167 noro 3026: int *perm;
1.168 noro 3027: int j,ret;
1.167 noro 3028: Q jq;
1.157 noro 3029:
1.167 noro 3030: nd_module = 0;
1.172 ! noro 3031: parse_nd_option(current_option);
1.157 noro 3032: if ( DP_Multiple )
3033: nd_scale = ((double)DP_Multiple)/(double)(Denominator?Denominator:1);
3034:
3035: get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&nd_vc);
3036: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
3037: switch ( ord->id ) {
3038: case 1:
3039: if ( ord->nv != nvar )
3040: error("nd_gr_trace : invalid order specification");
3041: break;
3042: default:
3043: break;
3044: }
3045:
3046: get_algtree((Obj)f,&av);
3047: for ( nalg = 0, tv = av; tv; tv = NEXT(tv), nalg++ );
3048: nd_ntrans = nvar;
3049: nd_nalg = nalg;
3050: /* #i -> t#i */
3051: if ( nalg ) {
3052: preprocess_algcoef(vv,av,ord,f,&ord1,&f1,&alist);
3053: ord = ord1;
3054: f = f1;
3055: }
3056: nvar += nalg;
3057:
3058: nocheck = 0;
3059: mindex = 0;
3060:
3061: if ( Demand ) nd_demand = 1;
3062: else nd_demand = 0;
3063:
3064: /* setup modulus */
3065: if ( trace < 0 ) {
3066: trace = -trace;
3067: nocheck = 1;
3068: }
3069: m = trace > 1 ? trace : get_lprime(mindex);
1.158 noro 3070: nd_init_ord(ord);
3071: mrank = 0;
1.157 noro 3072: for ( t = BDY(f), max = 0; t; t = NEXT(t) )
3073: for ( tv = vv; tv; tv = NEXT(tv) ) {
1.158 noro 3074: if ( nd_module ) {
3075: s = BDY((LIST)BDY(t));
3076: trank = length(s);
3077: mrank = MAX(mrank,trank);
3078: for ( ; s; s = NEXT(s) ) {
3079: e = getdeg(tv->v,(P)BDY(s));
3080: max = MAX(e,max);
3081: }
3082: } else {
3083: e = getdeg(tv->v,(P)BDY(t));
3084: max = MAX(e,max);
3085: }
1.157 noro 3086: }
3087: nd_setup_parameters(nvar,max);
1.164 noro 3088: obpe = nd_bpe; oadv = nmv_adv; oepos = nd_epos; ompos = nd_mpos;
1.157 noro 3089: ishomo = 1;
3090: for ( in0 = 0, fd0 = 0, t = BDY(f); t; t = NEXT(t) ) {
1.167 noro 3091: if ( nd_module ) {
1.172 ! noro 3092: if ( !nd_gentrace ) pltozpl((LIST)BDY(t),&dmy,&zpl);
1.167 noro 3093: else zpl = (LIST)BDY(t);
1.158 noro 3094: c = (pointer)pltondv(CO,vv,zpl);
3095: } else {
1.172 ! noro 3096: if ( !nd_gentrace ) ptozp((P)BDY(t),1,&dmy,&zp);
1.167 noro 3097: else zp = (P)BDY(t);
1.158 noro 3098: c = (pointer)ptondv(CO,vv,zp);
1.167 noro 3099: }
1.157 noro 3100: if ( ishomo )
3101: ishomo = ishomo && ndv_ishomo(c);
3102: if ( c ) {
3103: NEXTNODE(in0,in); BDY(in) = (pointer)c;
3104: NEXTNODE(fd0,fd); BDY(fd) = (pointer)ndv_dup(0,c);
3105: }
3106: }
3107: if ( in0 ) NEXT(in) = 0;
3108: if ( fd0 ) NEXT(fd) = 0;
3109: if ( !ishomo && homo ) {
3110: for ( t = in0, wmax = max; t; t = NEXT(t) ) {
3111: c = (NDV)BDY(t); len = LEN(c);
3112: for ( a = BDY(c), i = 0; i < len; i++, NMV_ADV(a) )
3113: wmax = MAX(TD(DL(a)),wmax);
3114: }
3115: homogenize_order(ord,nvar,&ord1);
3116: nd_init_ord(ord1);
3117: nd_setup_parameters(nvar+1,wmax);
3118: for ( t = fd0; t; t = NEXT(t) )
1.164 noro 3119: ndv_homogenize((NDV)BDY(t),obpe,oadv,oepos,ompos);
1.157 noro 3120: }
3121: while ( 1 ) {
3122: if ( Demand )
3123: nd_demand = 1;
3124: ndv_setup(m,1,fd0,0,0);
1.172 ! noro 3125: if ( nd_gentrace ) {
1.167 noro 3126: MKLIST(l1,nd_tracelist); MKNODE(nd_alltracelist,l1,0);
3127: }
3128: cand = f4?nd_f4_trace(m,&perm):nd_gb_trace(m,ishomo || homo,&perm);
1.157 noro 3129: if ( !cand ) {
3130: /* failure */
3131: if ( trace > 1 ) { *rp = 0; return; }
3132: else m = get_lprime(++mindex);
3133: continue;
3134: }
3135: if ( !ishomo && homo ) {
3136: /* dehomogenization */
3137: for ( t = cand; t; t = NEXT(t) ) ndv_dehomogenize((NDV)BDY(t),ord);
3138: nd_init_ord(ord);
3139: nd_setup_parameters(nvar,0);
3140: }
3141: nd_demand = 0;
1.167 noro 3142: cand = ndv_reducebase(cand,perm);
1.172 ! noro 3143: if ( nd_gentrace ) { tl1 = nd_alltracelist; nd_alltracelist = 0; }
1.157 noro 3144: cand = ndv_reduceall(0,cand);
3145: cbpe = nd_bpe;
1.172 ! noro 3146: if ( nd_gentrace ) { tl2 = nd_alltracelist; nd_alltracelist = 0; }
1.157 noro 3147: if ( nocheck )
3148: break;
3149: get_eg(&eg0);
1.170 noro 3150: if ( ret = ndv_check_membership(0,in0,obpe,oadv,oepos,cand) ) {
1.172 ! noro 3151: if ( nd_gentrace ) {
1.168 noro 3152: tl3 = nd_alltracelist; nd_alltracelist = 0;
3153: } else tl3 = 0;
3154: /* gbcheck : cand is a GB of Id(cand) ? */
1.172 ! noro 3155: ret = nd_gb(0,0,1,nd_gensyz?1:0,0)!=0;
! 3156: if ( nd_gentrace && nd_gensyz ) {
1.168 noro 3157: tl4 = nd_alltracelist; nd_alltracelist = 0;
3158: } else tl4 = 0;
3159: }
3160: if ( ret ) break;
1.157 noro 3161: else if ( trace > 1 ) {
3162: /* failure */
3163: *rp = 0; return;
3164: } else {
3165: /* try the next modulus */
3166: m = get_lprime(++mindex);
3167: /* reset the parameters */
3168: if ( !ishomo && homo ) {
3169: nd_init_ord(ord1);
3170: nd_setup_parameters(nvar+1,wmax);
3171: } else {
3172: nd_init_ord(ord);
3173: nd_setup_parameters(nvar,max);
3174: }
3175: }
3176: }
3177: get_eg(&eg1); init_eg(&eg_check); add_eg(&eg_check,&eg0,&eg1);
3178: if ( DP_Print )
3179: fprintf(asir_out,"check=%fsec\n",eg_check.exectime+eg_check.gctime);
3180: /* dp->p */
3181: nd_bpe = cbpe;
3182: nd_setup_parameters(nd_nvar,0);
1.158 noro 3183: for ( r = cand; r; r = NEXT(r) ) {
1.167 noro 3184: if ( nd_module ) BDY(r) = ndvtopl(0,CO,vv,BDY(r),mrank);
1.158 noro 3185: else BDY(r) = (pointer)ndvtop(0,CO,vv,BDY(r));
3186: }
1.157 noro 3187: if ( nalg )
3188: cand = postprocess_algcoef(av,alist,cand);
3189: MKLIST(*rp,cand);
1.172 ! noro 3190: if ( nd_gentrace ) {
1.167 noro 3191: tl1 = reverse_node(tl1); tl2 = reverse_node(tl2);
1.168 noro 3192: tl3 = reverse_node(tl3);
1.167 noro 3193: /* tl2 = [[i,[[*,j,*,*],...]],...] */
3194: for ( t = tl2; t; t = NEXT(t) ) {
3195: /* s = [i,[*,j,*,*],...] */
3196: s = BDY((LIST)BDY(t));
3197: j = perm[QTOS((Q)ARG0(s))]; STOQ(j,jq); ARG0(s) = (pointer)jq;
3198: for ( s = BDY((LIST)ARG1(s)); s; s = NEXT(s) ) {
3199: j = perm[QTOS((Q)ARG1(BDY((LIST)BDY(s))))]; STOQ(j,jq);
3200: ARG1(BDY((LIST)BDY(s))) = (pointer)jq;
3201: }
3202: }
3203: for ( j = length(cand)-1, t = 0; j >= 0; j-- ) {
3204: STOQ(perm[j],jq); MKNODE(s,jq,t); t = s;
3205: }
1.168 noro 3206: MKLIST(l1,tl1); MKLIST(l2,tl2); MKLIST(l3,t); MKLIST(l4,tl3);
3207: MKLIST(l5,tl4);
1.169 noro 3208: tr = mknode(7,*rp,(!ishomo&&homo)?ONE:0,l1,l2,l3,l4,l5); MKLIST(*rp,tr);
1.167 noro 3209: }
1.157 noro 3210: }
1.52 noro 3211:
1.157 noro 3212: /* XXX : module element is not considered */
1.1 noro 3213:
1.61 noro 3214: void dltondl(int n,DL dl,UINT *r)
1.1 noro 3215: {
1.157 noro 3216: UINT *d;
3217: int i,j,l,s,ord_l;
3218: struct order_pair *op;
3219:
3220: d = dl->d;
3221: for ( i = 0; i < nd_wpd; i++ ) r[i] = 0;
3222: if ( nd_blockmask ) {
3223: l = nd_blockmask->n;
3224: op = nd_blockmask->order_pair;
3225: for ( j = 0, s = 0; j < l; j++ ) {
3226: ord_l = op[j].length;
3227: for ( i = 0; i < ord_l; i++, s++ ) PUT_EXP(r,s,d[s]);
3228: }
3229: TD(r) = ndl_weight(r);
3230: ndl_weight_mask(r);
3231: } else {
3232: for ( i = 0; i < n; i++ ) PUT_EXP(r,i,d[i]);
3233: TD(r) = ndl_weight(r);
3234: }
1.1 noro 3235: }
3236:
1.61 noro 3237: DL ndltodl(int n,UINT *ndl)
1.1 noro 3238: {
1.157 noro 3239: DL dl;
3240: int *d;
3241: int i,j,l,s,ord_l;
3242: struct order_pair *op;
3243:
3244: NEWDL(dl,n);
3245: dl->td = TD(ndl);
3246: d = dl->d;
3247: if ( nd_blockmask ) {
3248: l = nd_blockmask->n;
3249: op = nd_blockmask->order_pair;
3250: for ( j = 0, s = 0; j < l; j++ ) {
3251: ord_l = op[j].length;
3252: for ( i = 0; i < ord_l; i++, s++ ) d[s] = GET_EXP(ndl,s);
3253: }
3254: } else {
3255: for ( i = 0; i < n; i++ ) d[i] = GET_EXP(ndl,i);
3256: }
3257: return dl;
1.1 noro 3258: }
3259:
1.167 noro 3260: void nmtodp(int mod,NM m,DP *r)
3261: {
3262: DP dp;
3263: MP mr;
3264:
3265: NEWMP(mr);
3266: mr->dl = ndltodl(nd_nvar,DL(m));
3267: mr->c = ndctop(mod,m->c);
3268: NEXT(mr) = 0; MKDP(nd_nvar,mr,dp); dp->sugar = mr->dl->td;
3269: *r = dp;
3270: }
3271:
1.61 noro 3272: void ndl_print(UINT *dl)
1.1 noro 3273: {
1.157 noro 3274: int n;
3275: int i,j,l,ord_l,s,s0;
3276: struct order_pair *op;
3277:
3278: n = nd_nvar;
3279: printf("<<");
3280: if ( nd_blockmask ) {
3281: l = nd_blockmask->n;
3282: op = nd_blockmask->order_pair;
3283: for ( j = 0, s = s0 = 0; j < l; j++ ) {
3284: ord_l = op[j].length;
3285: for ( i = 0; i < ord_l; i++, s++ )
3286: printf(s==n-1?"%d":"%d,",GET_EXP(dl,s));
3287: }
3288: } else {
3289: for ( i = 0; i < n; i++ ) printf(i==n-1?"%d":"%d,",GET_EXP(dl,i));
3290: }
3291: printf(">>");
3292: if ( MPOS(dl) )
3293: printf("*e%d",MPOS(dl));
1.1 noro 3294: }
3295:
3296: void nd_print(ND p)
3297: {
1.157 noro 3298: NM m;
1.1 noro 3299:
1.157 noro 3300: if ( !p )
3301: printf("0\n");
3302: else {
3303: for ( m = BDY(p); m; m = NEXT(m) ) {
3304: if ( CM(m) & 0x80000000 ) printf("+@_%d*",IFTOF(CM(m)));
3305: else printf("+%d*",CM(m));
3306: ndl_print(DL(m));
3307: }
3308: printf("\n");
3309: }
1.1 noro 3310: }
3311:
1.113 noro 3312: void nd_print_q(ND p)
1.16 noro 3313: {
1.157 noro 3314: NM m;
1.16 noro 3315:
1.157 noro 3316: if ( !p )
3317: printf("0\n");
3318: else {
3319: for ( m = BDY(p); m; m = NEXT(m) ) {
3320: printf("+");
3321: printexpr(CO,(Obj)CQ(m));
3322: printf("*");
3323: ndl_print(DL(m));
3324: }
3325: printf("\n");
3326: }
1.16 noro 3327: }
3328:
1.1 noro 3329: void ndp_print(ND_pairs d)
3330: {
1.157 noro 3331: ND_pairs t;
1.1 noro 3332:
1.157 noro 3333: for ( t = d; t; t = NEXT(t) ) printf("%d,%d ",t->i1,t->i2);
3334: printf("\n");
1.1 noro 3335: }
3336:
1.20 noro 3337: void nd_removecont(int mod,ND p)
1.16 noro 3338: {
1.157 noro 3339: int i,n;
3340: Q *w;
3341: Q dvr,t;
3342: NM m;
3343: struct oVECT v;
3344: N q,r;
3345:
3346: if ( mod == -1 ) nd_mul_c(mod,p,_invsf(HCM(p)));
3347: else if ( mod ) nd_mul_c(mod,p,invm(HCM(p),mod));
3348: else {
3349: for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ );
3350: w = (Q *)ALLOCA(n*sizeof(Q));
3351: v.len = n;
3352: v.body = (pointer *)w;
3353: for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) w[i] = CQ(m);
3354: removecont_array((P *)w,n,1);
3355: for ( m = BDY(p), i = 0; i < n; m = NEXT(m), i++ ) CQ(m) = w[i];
3356: }
1.16 noro 3357: }
3358:
1.21 noro 3359: void nd_removecont2(ND p1,ND p2)
3360: {
1.157 noro 3361: int i,n1,n2,n;
3362: Q *w;
3363: Q dvr,t;
3364: NM m;
3365: struct oVECT v;
3366: N q,r;
3367:
3368: n1 = nd_length(p1);
3369: n2 = nd_length(p2);
3370: n = n1+n2;
3371: w = (Q *)ALLOCA(n*sizeof(Q));
3372: v.len = n;
3373: v.body = (pointer *)w;
3374: i = 0;
3375: if ( p1 )
3376: for ( m = BDY(p1); i < n1; m = NEXT(m), i++ ) w[i] = CQ(m);
3377: if ( p2 )
3378: for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) w[i] = CQ(m);
3379: removecont_array((P *)w,n,1);
3380: i = 0;
3381: if ( p1 )
3382: for ( m = BDY(p1); i < n1; m = NEXT(m), i++ ) CQ(m) = w[i];
3383: if ( p2 )
3384: for ( m = BDY(p2); i < n; m = NEXT(m), i++ ) CQ(m) = w[i];
1.21 noro 3385: }
3386:
1.20 noro 3387: void ndv_removecont(int mod,NDV p)
1.16 noro 3388: {
1.157 noro 3389: int i,len,all_p;
3390: Q *c;
3391: P *w;
3392: Q dvr,t;
3393: P g,cont,tp;
3394: NMV m;
3395:
3396: if ( mod == -1 )
3397: ndv_mul_c(mod,p,_invsf(HCM(p)));
3398: else if ( mod )
3399: ndv_mul_c(mod,p,invm(HCM(p),mod));
3400: else {
3401: len = p->len;
3402: w = (P *)ALLOCA(len*sizeof(P));
3403: c = (Q *)ALLOCA(len*sizeof(Q));
3404: for ( m = BDY(p), all_p = 1, i = 0; i < len; NMV_ADV(m), i++ ) {
3405: ptozp(CP(m),1,&c[i],&w[i]);
3406: all_p = all_p && !NUM(w[i]);
3407: }
3408: if ( all_p ) {
3409: qltozl(c,len,&dvr); nd_heu_nezgcdnpz(nd_vc,w,len,1,&g);
3410: mulp(nd_vc,(P)dvr,g,&cont);
3411: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) {
3412: divsp(nd_vc,CP(m),cont,&tp); CP(m) = tp;
3413: }
3414: } else {
3415: sortbynm((Q *)c,len);
3416: qltozl((Q *)c,len,&dvr);
3417: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ ) {
3418: divsp(nd_vc,CP(m),(P)dvr,&tp); CP(m) = tp;
3419: }
3420: }
3421: }
1.21 noro 3422: }
3423:
1.157 noro 3424: /* koko */
3425:
1.164 noro 3426: void ndv_homogenize(NDV p,int obpe,int oadv,EPOS oepos,int ompos)
1.61 noro 3427: {
1.157 noro 3428: int len,i,max;
3429: NMV m,mr0,mr,t;
1.61 noro 3430:
1.157 noro 3431: len = p->len;
3432: for ( m = BDY(p), i = 0, max = 0; i < len; NMV_OADV(m), i++ )
3433: max = MAX(max,TD(DL(m)));
3434: mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p);
3435: m = (NMV)((char *)mr0+(len-1)*oadv);
3436: mr = (NMV)((char *)mr0+(len-1)*nmv_adv);
3437: t = (NMV)ALLOCA(nmv_adv);
3438: for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {
1.164 noro 3439: ndl_homogenize(DL(m),DL(t),obpe,oepos,ompos,max);
1.157 noro 3440: CQ(mr) = CQ(m);
3441: ndl_copy(DL(t),DL(mr));
3442: }
3443: NV(p)++;
3444: BDY(p) = mr0;
1.61 noro 3445: }
3446:
1.45 noro 3447: void ndv_dehomogenize(NDV p,struct order_spec *ord)
1.23 noro 3448: {
1.164 noro 3449: int i,j,adj,len,newnvar,newwpd,newadv,newexporigin,newmpos;
1.167 noro 3450: int pos;
1.157 noro 3451: Q *w;
3452: Q dvr,t;
3453: NMV m,r;
3454:
3455: len = p->len;
3456: newnvar = nd_nvar-1;
3457: newexporigin = nd_get_exporigin(ord);
1.167 noro 3458: if ( nd_module ) newmpos = newexporigin-1;
1.157 noro 3459: newwpd = newnvar/nd_epw+(newnvar%nd_epw?1:0)+newexporigin;
3460: for ( m = BDY(p), i = 0; i < len; NMV_ADV(m), i++ )
3461: ndl_dehomogenize(DL(m));
3462: if ( newwpd != nd_wpd ) {
3463: newadv = ROUND_FOR_ALIGN(sizeof(struct oNMV)+(newwpd-1)*sizeof(UINT));
3464: for ( m = r = BDY(p), i = 0; i < len; NMV_ADV(m), NDV_NADV(r), i++ ) {
3465: CQ(r) = CQ(m);
1.167 noro 3466: if ( nd_module ) pos = MPOS(DL(m));
1.157 noro 3467: for ( j = 0; j < newexporigin; j++ ) DL(r)[j] = DL(m)[j];
3468: adj = nd_exporigin-newexporigin;
3469: for ( ; j < newwpd; j++ ) DL(r)[j] = DL(m)[j+adj];
1.167 noro 3470: if ( nd_module ) {
3471: DL(r)[newmpos] = pos;
3472: }
1.157 noro 3473: }
3474: }
3475: NV(p)--;
1.23 noro 3476: }
3477:
1.150 noro 3478: void nd_heu_nezgcdnpz(VL vl,P *pl,int m,int full,P *pr)
3479: {
1.157 noro 3480: int i;
3481: P *tpl,*tpl1;
3482: NODE l;
3483: P h,gcd,t;
3484:
3485: tpl = (P *)ALLOCA(m*sizeof(P));
3486: tpl1 = (P *)ALLOCA(m*sizeof(P));
3487: bcopy(pl,tpl,m*sizeof(P));
3488: gcd = (P)ONE;
3489: for ( l = nd_hcf; l; l = NEXT(l) ) {
3490: h = (P)BDY(l);
3491: while ( 1 ) {
3492: for ( i = 0; i < m; i++ )
3493: if ( !divtpz(vl,tpl[i],h,&tpl1[i]) )
3494: break;
3495: if ( i == m ) {
3496: bcopy(tpl1,tpl,m*sizeof(P));
3497: mulp(vl,gcd,h,&t); gcd = t;
3498: } else
3499: break;
3500: }
3501: }
3502: if ( DP_Print > 2 ){fprintf(asir_out,"[%d]",nmonop(gcd)); fflush(asir_out);}
3503: if ( full ) {
3504: heu_nezgcdnpz(vl,tpl,m,&t);
3505: mulp(vl,gcd,t,pr);
3506: } else
3507: *pr = gcd;
1.150 noro 3508: }
3509:
3510: void removecont_array(P *p,int n,int full)
1.146 noro 3511: {
1.157 noro 3512: int all_p,all_q,i;
3513: Q *c;
3514: P *w;
3515: P t,s;
3516:
3517: for ( all_q = 1, i = 0; i < n; i++ )
3518: all_q = all_q && NUM(p[i]);
3519: if ( all_q ) {
3520: removecont_array_q((Q *)p,n);
3521: } else {
3522: c = (Q *)ALLOCA(n*sizeof(Q));
3523: w = (P *)ALLOCA(n*sizeof(P));
3524: for ( i = 0; i < n; i++ ) {
3525: ptozp(p[i],1,&c[i],&w[i]);
3526: }
3527: removecont_array_q(c,n);
3528: nd_heu_nezgcdnpz(nd_vc,w,n,full,&t);
3529: for ( i = 0; i < n; i++ ) {
3530: divsp(nd_vc,w[i],t,&s); mulp(nd_vc,s,(P)c[i],&p[i]);
3531: }
3532: }
1.146 noro 3533: }
3534:
3535: void removecont_array_q(Q *c,int n)
1.21 noro 3536: {
1.157 noro 3537: struct oVECT v;
3538: Q d0,d1,a,u,u1,gcd;
3539: int i,j;
3540: N qn,rn,gn;
3541: Q *q,*r;
3542:
3543: q = (Q *)ALLOCA(n*sizeof(Q));
3544: r = (Q *)ALLOCA(n*sizeof(Q));
3545: v.id = O_VECT; v.len = n; v.body = (pointer *)c;
3546: igcdv_estimate(&v,&d0);
3547: for ( i = 0; i < n; i++ ) {
3548: divn(NM(c[i]),NM(d0),&qn,&rn);
3549: NTOQ(qn,SGN(c[i])*SGN(d0),q[i]);
3550: NTOQ(rn,SGN(c[i]),r[i]);
3551: }
3552: for ( i = 0; i < n; i++ ) if ( r[i] ) break;
3553: if ( i < n ) {
3554: v.id = O_VECT; v.len = n; v.body = (pointer *)r;
3555: igcdv(&v,&d1);
3556: gcdn(NM(d0),NM(d1),&gn); NTOQ(gn,1,gcd);
3557: divsn(NM(d0),gn,&qn); NTOQ(qn,1,a);
3558: for ( i = 0; i < n; i++ ) {
3559: mulq(a,q[i],&u);
3560: if ( r[i] ) {
3561: divsn(NM(r[i]),gn,&qn); NTOQ(qn,SGN(r[i]),u1);
3562: addq(u,u1,&q[i]);
3563: } else
3564: q[i] = u;
3565: }
3566: }
3567: for ( i = 0; i < n; i++ ) c[i] = q[i];
1.16 noro 3568: }
3569:
1.19 noro 3570: void nd_mul_c(int mod,ND p,int mul)
1.1 noro 3571: {
1.157 noro 3572: NM m;
3573: int c,c1;
1.1 noro 3574:
1.157 noro 3575: if ( !p ) return;
3576: if ( mul == 1 ) return;
3577: if ( mod == -1 )
3578: for ( m = BDY(p); m; m = NEXT(m) )
3579: CM(m) = _mulsf(CM(m),mul);
3580: else
3581: for ( m = BDY(p); m; m = NEXT(m) ) {
3582: c1 = CM(m); DMAR(c1,mul,0,mod,c); CM(m) = c;
3583: }
1.1 noro 3584: }
3585:
1.146 noro 3586: void nd_mul_c_q(ND p,P mul)
1.16 noro 3587: {
1.157 noro 3588: NM m;
3589: P c;
1.16 noro 3590:
1.157 noro 3591: if ( !p ) return;
3592: if ( UNIQ(mul) ) return;
3593: for ( m = BDY(p); m; m = NEXT(m) ) {
3594: mulp(nd_vc,CP(m),mul,&c); CP(m) = c;
3595: }
1.16 noro 3596: }
3597:
1.61 noro 3598: void nd_mul_c_p(VL vl,ND p,P mul)
3599: {
1.157 noro 3600: NM m;
3601: P c;
1.61 noro 3602:
1.157 noro 3603: if ( !p ) return;
3604: for ( m = BDY(p); m; m = NEXT(m) ) {
3605: mulp(vl,CP(m),mul,&c); CP(m) = c;
3606: }
1.61 noro 3607: }
3608:
1.1 noro 3609: void nd_free(ND p)
3610: {
1.157 noro 3611: NM t,s;
1.1 noro 3612:
1.157 noro 3613: if ( !p ) return;
3614: t = BDY(p);
3615: while ( t ) {
3616: s = NEXT(t);
3617: FREENM(t);
3618: t = s;
3619: }
3620: FREEND(p);
1.1 noro 3621: }
3622:
1.23 noro 3623: void ndv_free(NDV p)
3624: {
1.157 noro 3625: GC_free(BDY(p));
1.23 noro 3626: }
3627:
1.61 noro 3628: void nd_append_red(UINT *d,int i)
1.1 noro 3629: {
1.157 noro 3630: RHist m,m0;
3631: int h;
1.1 noro 3632:
1.157 noro 3633: NEWRHist(m);
3634: h = ndl_hash_value(d);
3635: m->index = i;
3636: ndl_copy(d,DL(m));
3637: NEXT(m) = nd_red[h];
3638: nd_red[h] = m;
1.1 noro 3639: }
3640:
1.61 noro 3641: UINT *ndv_compute_bound(NDV p)
1.1 noro 3642: {
1.157 noro 3643: UINT *d1,*d2,*t;
3644: UINT u;
3645: int i,j,k,l,len,ind;
3646: NMV m;
3647:
3648: if ( !p )
3649: return 0;
3650: d1 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3651: d2 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3652: len = LEN(p);
3653: m = BDY(p); ndl_copy(DL(m),d1); NMV_ADV(m);
3654: for ( i = 1; i < len; i++, NMV_ADV(m) ) {
1.159 noro 3655: ndl_max(DL(m),d1,d2);
1.157 noro 3656: t = d1; d1 = d2; d2 = t;
3657: }
3658: l = nd_nvar+31;
3659: t = (UINT *)MALLOC_ATOMIC(l*sizeof(UINT));
3660: for ( i = nd_exporigin, ind = 0; i < nd_wpd; i++ ) {
3661: u = d1[i];
3662: k = (nd_epw-1)*nd_bpe;
3663: for ( j = 0; j < nd_epw; j++, k -= nd_bpe, ind++ )
3664: t[ind] = (u>>k)&nd_mask0;
3665: }
3666: for ( ; ind < l; ind++ ) t[ind] = 0;
3667: return t;
1.1 noro 3668: }
3669:
1.99 noro 3670: UINT *nd_compute_bound(ND p)
3671: {
1.157 noro 3672: UINT *d1,*d2,*t;
3673: UINT u;
3674: int i,j,k,l,len,ind;
3675: NM m;
3676:
3677: if ( !p )
3678: return 0;
3679: d1 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3680: d2 = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
3681: len = LEN(p);
3682: m = BDY(p); ndl_copy(DL(m),d1); m = NEXT(m);
3683: for ( m = NEXT(m); m; m = NEXT(m) ) {
3684: ndl_lcm(DL(m),d1,d2);
3685: t = d1; d1 = d2; d2 = t;
3686: }
3687: l = nd_nvar+31;
3688: t = (UINT *)MALLOC_ATOMIC(l*sizeof(UINT));
3689: for ( i = nd_exporigin, ind = 0; i < nd_wpd; i++ ) {
3690: u = d1[i];
3691: k = (nd_epw-1)*nd_bpe;
3692: for ( j = 0; j < nd_epw; j++, k -= nd_bpe, ind++ )
3693: t[ind] = (u>>k)&nd_mask0;
3694: }
3695: for ( ; ind < l; ind++ ) t[ind] = 0;
3696: return t;
1.99 noro 3697: }
3698:
1.157 noro 3699: /* if nd_module == 1 then d[nd_exporigin-1] indicates the position */
3700: /* of a term. In this case we need additional 1 word. */
3701:
1.48 noro 3702: int nd_get_exporigin(struct order_spec *ord)
3703: {
1.157 noro 3704: switch ( ord->id ) {
3705: case 0: case 2: case 256: case 258:
3706: return 1+nd_module;
3707: case 1: case 257:
3708: /* block order */
3709: /* poly ring d[0]:weight d[1]:w0,...,d[nd_exporigin-1]:w(n-1) */
3710: /* module d[0]:weight d[1]:w0,...,d[nd_exporigin-2]:w(n-1) */
3711: return ord->ord.block.length+1+nd_module;
3712: case 3: case 259:
3713: error("nd_get_exporigin : composite order is not supported yet.");
3714: }
1.48 noro 3715: }
3716:
1.61 noro 3717: void nd_setup_parameters(int nvar,int max) {
1.157 noro 3718: int i,j,n,elen,ord_o,ord_l,l,s,wpd;
3719: struct order_pair *op;
1.48 noro 3720:
1.157 noro 3721: nd_nvar = nvar;
3722: if ( max ) {
3723: /* XXX */
3724: if ( do_weyl ) nd_bpe = 32;
3725: else if ( max < 2 ) nd_bpe = 1;
3726: else if ( max < 4 ) nd_bpe = 2;
3727: else if ( max < 8 ) nd_bpe = 3;
3728: else if ( max < 16 ) nd_bpe = 4;
3729: else if ( max < 32 ) nd_bpe = 5;
3730: else if ( max < 64 ) nd_bpe = 6;
3731: else if ( max < 256 ) nd_bpe = 8;
3732: else if ( max < 1024 ) nd_bpe = 10;
3733: else if ( max < 65536 ) nd_bpe = 16;
3734: else nd_bpe = 32;
3735: }
3736: nd_epw = (sizeof(UINT)*8)/nd_bpe;
3737: elen = nd_nvar/nd_epw+(nd_nvar%nd_epw?1:0);
3738: nd_exporigin = nd_get_exporigin(nd_ord);
3739: wpd = nd_exporigin+elen;
3740: if ( nd_module )
3741: nd_mpos = nd_exporigin-1;
3742: else
3743: nd_mpos = -1;
3744: if ( wpd != nd_wpd ) {
3745: nd_free_private_storage();
3746: nd_wpd = wpd;
3747: }
3748: if ( nd_bpe < 32 ) {
3749: nd_mask0 = (1<<nd_bpe)-1;
3750: } else {
3751: nd_mask0 = 0xffffffff;
3752: }
3753: bzero(nd_mask,sizeof(nd_mask));
3754: nd_mask1 = 0;
3755: for ( i = 0; i < nd_epw; i++ ) {
3756: nd_mask[nd_epw-i-1] = (nd_mask0<<(i*nd_bpe));
3757: nd_mask1 |= (1<<(nd_bpe-1))<<(i*nd_bpe);
3758: }
3759: nmv_adv = ROUND_FOR_ALIGN(sizeof(struct oNMV)+(nd_wpd-1)*sizeof(UINT));
3760: nd_epos = nd_create_epos(nd_ord);
3761: nd_blockmask = nd_create_blockmask(nd_ord);
3762: nd_work_vector = (int *)REALLOC(nd_work_vector,nd_nvar*sizeof(int));
1.1 noro 3763: }
3764:
1.103 noro 3765: ND_pairs nd_reconstruct(int trace,ND_pairs d)
1.1 noro 3766: {
1.157 noro 3767: int i,obpe,oadv,h;
3768: static NM prev_nm_free_list;
3769: static ND_pairs prev_ndp_free_list;
3770: RHist mr0,mr;
3771: RHist r;
3772: RHist *old_red;
3773: ND_pairs s0,s,t;
3774: EPOS oepos;
3775:
3776: obpe = nd_bpe;
3777: oadv = nmv_adv;
3778: oepos = nd_epos;
3779: if ( obpe < 2 ) nd_bpe = 2;
3780: else if ( obpe < 3 ) nd_bpe = 3;
3781: else if ( obpe < 4 ) nd_bpe = 4;
3782: else if ( obpe < 5 ) nd_bpe = 5;
3783: else if ( obpe < 6 ) nd_bpe = 6;
3784: else if ( obpe < 8 ) nd_bpe = 8;
3785: else if ( obpe < 10 ) nd_bpe = 10;
3786: else if ( obpe < 16 ) nd_bpe = 16;
3787: else if ( obpe < 32 ) nd_bpe = 32;
3788: else error("nd_reconstruct : exponent too large");
3789:
3790: nd_setup_parameters(nd_nvar,0);
3791: prev_nm_free_list = _nm_free_list;
3792: prev_ndp_free_list = _ndp_free_list;
3793: _nm_free_list = 0;
3794: _ndp_free_list = 0;
3795: for ( i = nd_psn-1; i >= 0; i-- ) ndv_realloc(nd_ps[i],obpe,oadv,oepos);
3796: if ( trace )
3797: for ( i = nd_psn-1; i >= 0; i-- )
3798: ndv_realloc(nd_ps_trace[i],obpe,oadv,oepos);
3799: s0 = 0;
3800: for ( t = d; t; t = NEXT(t) ) {
3801: NEXTND_pairs(s0,s);
3802: s->i1 = t->i1;
3803: s->i2 = t->i2;
3804: SG(s) = SG(t);
3805: ndl_reconstruct(LCM(t),LCM(s),obpe,oepos);
3806: }
3807:
3808: old_red = (RHist *)ALLOCA(REDTAB_LEN*sizeof(RHist));
3809: for ( i = 0; i < REDTAB_LEN; i++ ) {
3810: old_red[i] = nd_red[i];
3811: nd_red[i] = 0;
3812: }
3813: for ( i = 0; i < REDTAB_LEN; i++ )
3814: for ( r = old_red[i]; r; r = NEXT(r) ) {
3815: NEWRHist(mr);
3816: mr->index = r->index;
3817: SG(mr) = SG(r);
3818: ndl_reconstruct(DL(r),DL(mr),obpe,oepos);
3819: h = ndl_hash_value(DL(mr));
3820: NEXT(mr) = nd_red[h];
3821: nd_red[h] = mr;
3822: }
3823: for ( i = 0; i < REDTAB_LEN; i++ ) old_red[i] = 0;
3824: old_red = 0;
3825: for ( i = 0; i < nd_psn; i++ ) {
3826: NEWRHist(r); SG(r) = SG(nd_psh[i]);
3827: ndl_reconstruct(DL(nd_psh[i]),DL(r),obpe,oepos);
3828: nd_psh[i] = r;
3829: }
3830: if ( s0 ) NEXT(s) = 0;
3831: prev_nm_free_list = 0;
3832: prev_ndp_free_list = 0;
1.71 noro 3833: #if 0
1.157 noro 3834: GC_gcollect();
1.71 noro 3835: #endif
1.157 noro 3836: return s0;
1.1 noro 3837: }
3838:
1.61 noro 3839: void ndl_reconstruct(UINT *d,UINT *r,int obpe,EPOS oepos)
1.1 noro 3840: {
1.157 noro 3841: int n,i,ei,oepw,omask0,j,s,ord_l,l;
3842: struct order_pair *op;
1.1 noro 3843:
1.157 noro 3844: n = nd_nvar;
3845: oepw = (sizeof(UINT)*8)/obpe;
3846: omask0 = (1<<obpe)-1;
3847: TD(r) = TD(d);
3848: for ( i = nd_exporigin; i < nd_wpd; i++ ) r[i] = 0;
3849: if ( nd_blockmask ) {
3850: l = nd_blockmask->n;
3851: op = nd_blockmask->order_pair;
3852: for ( i = 1; i < nd_exporigin; i++ )
3853: r[i] = d[i];
3854: for ( j = 0, s = 0; j < l; j++ ) {
3855: ord_l = op[j].length;
3856: for ( i = 0; i < ord_l; i++, s++ ) {
3857: ei = GET_EXP_OLD(d,s);
3858: PUT_EXP(r,s,ei);
3859: }
3860: }
3861: } else {
3862: for ( i = 0; i < n; i++ ) {
3863: ei = GET_EXP_OLD(d,i);
3864: PUT_EXP(r,i,ei);
3865: }
3866: }
3867: if ( nd_module ) MPOS(r) = MPOS(d);
1.1 noro 3868: }
1.3 noro 3869:
1.6 noro 3870: ND nd_copy(ND p)
3871: {
1.157 noro 3872: NM m,mr,mr0;
3873: int c,n;
3874: ND r;
3875:
3876: if ( !p )
3877: return 0;
3878: else {
3879: for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) {
3880: NEXTNM(mr0,mr);
3881: CM(mr) = CM(m);
3882: ndl_copy(DL(m),DL(mr));
3883: }
3884: NEXT(mr) = 0;
3885: MKND(NV(p),mr0,LEN(p),r);
3886: SG(r) = SG(p);
3887: return r;
3888: }
1.6 noro 3889: }
3890:
1.53 noro 3891: int nd_sp(int mod,int trace,ND_pairs p,ND *rp)
1.11 noro 3892: {
1.157 noro 3893: NM m1,m2;
3894: NDV p1,p2;
3895: ND t1,t2;
3896: UINT *lcm;
3897: P gp,tp;
1.167 noro 3898: Q g,t,iq;
1.157 noro 3899: int td;
1.167 noro 3900: LIST hist;
3901: NODE node;
3902: DP d;
1.157 noro 3903:
3904: if ( !mod && nd_demand ) {
3905: p1 = ndv_load(p->i1); p2 = ndv_load(p->i2);
3906: } else {
3907: if ( trace ) {
3908: p1 = nd_ps_trace[p->i1]; p2 = nd_ps_trace[p->i2];
3909: } else {
3910: p1 = nd_ps[p->i1]; p2 = nd_ps[p->i2];
3911: }
3912: }
3913: lcm = LCM(p);
3914: NEWNM(m1); ndl_sub(lcm,HDL(p1),DL(m1));
3915: if ( ndl_check_bound2(p->i1,DL(m1)) ) {
3916: FREENM(m1); return 0;
3917: }
3918: NEWNM(m2); ndl_sub(lcm,HDL(p2),DL(m2));
3919: if ( ndl_check_bound2(p->i2,DL(m2)) ) {
3920: FREENM(m1); FREENM(m2); return 0;
3921: }
3922:
3923: if ( mod == -1 ) {
3924: CM(m1) = HCM(p2); CM(m2) = _chsgnsf(HCM(p1));
3925: } else if ( mod ) {
3926: CM(m1) = HCM(p2); CM(m2) = mod-HCM(p1);
3927: } else if ( nd_vc ) {
3928: ezgcdpz(nd_vc,HCP(p1),HCP(p2),&gp);
3929: divsp(nd_vc,HCP(p2),gp,&CP(m1));
3930: divsp(nd_vc,HCP(p1),gp,&tp); chsgnp(tp,&CP(m2));
3931: } else {
3932: igcd_cofactor(HCQ(p1),HCQ(p2),&g,&t,&CQ(m1)); chsgnq(t,&CQ(m2));
3933: }
3934: t1 = ndv_mul_nm(mod,m1,p1); t2 = ndv_mul_nm(mod,m2,p2);
3935: *rp = nd_add(mod,t1,t2);
1.172 ! noro 3936: if ( nd_gentrace ) {
1.167 noro 3937: /* nd_tracelist is initialized */
3938: STOQ(p->i1,iq); nmtodp(mod,m1,&d); node = mknode(4,ONE,iq,d,ONE);
3939: MKLIST(hist,node); MKNODE(nd_tracelist,hist,0);
3940: STOQ(p->i2,iq); nmtodp(mod,m2,&d); node = mknode(4,ONE,iq,d,ONE);
3941: MKLIST(hist,node); MKNODE(node,hist,nd_tracelist);
3942: nd_tracelist = node;
3943: }
1.157 noro 3944: FREENM(m1); FREENM(m2);
3945: return 1;
1.11 noro 3946: }
3947:
1.19 noro 3948: void ndv_mul_c(int mod,NDV p,int mul)
1.11 noro 3949: {
1.157 noro 3950: NMV m;
3951: int c,c1,len,i;
1.11 noro 3952:
1.157 noro 3953: if ( !p ) return;
3954: len = LEN(p);
3955: if ( mod == -1 )
3956: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) )
3957: CM(m) = _mulsf(CM(m),mul);
3958: else
3959: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
3960: c1 = CM(m); DMAR(c1,mul,0,mod,c); CM(m) = c;
3961: }
1.11 noro 3962: }
3963:
1.113 noro 3964: void ndv_mul_c_q(NDV p,Q mul)
1.16 noro 3965: {
1.157 noro 3966: NMV m;
3967: Q c;
3968: int len,i;
3969:
3970: if ( !p ) return;
3971: len = LEN(p);
3972: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
3973: mulq(CQ(m),mul,&c); CQ(m) = c;
3974: }
1.16 noro 3975: }
3976:
1.55 noro 3977: ND weyl_ndv_mul_nm(int mod,NM m0,NDV p) {
1.157 noro 3978: int n2,i,j,l,n,tlen;
3979: UINT *d0;
3980: NM *tab,*psum;
3981: ND s,r;
3982: NM t;
3983: NMV m1;
3984:
3985: if ( !p ) return 0;
3986: n = NV(p); n2 = n>>1;
3987: d0 = DL(m0);
3988: l = LEN(p);
3989: for ( i = 0, tlen = 1; i < n2; i++ ) tlen *= (GET_EXP(d0,n2+i)+1);
3990: tab = (NM *)ALLOCA(tlen*sizeof(NM));
3991: psum = (NM *)ALLOCA(tlen*sizeof(NM));
3992: for ( i = 0; i < tlen; i++ ) psum[i] = 0;
3993: m1 = (NMV)(((char *)BDY(p))+nmv_adv*(l-1));
3994: for ( i = l-1; i >= 0; i--, NMV_PREV(m1) ) {
3995: /* m0(NM) * m1(NMV) => tab(NM) */
3996: weyl_mul_nm_nmv(n,mod,m0,m1,tab,tlen);
3997: for ( j = 0; j < tlen; j++ ) {
3998: if ( tab[j] ) {
3999: NEXT(tab[j]) = psum[j]; psum[j] = tab[j];
4000: }
4001: }
4002: }
4003: for ( i = tlen-1, r = 0; i >= 0; i-- )
4004: if ( psum[i] ) {
4005: for ( j = 0, t = psum[i]; t; t = NEXT(t), j++ );
4006: MKND(n,psum[i],j,s);
4007: r = nd_add(mod,r,s);
4008: }
4009: if ( r ) SG(r) = SG(p)+TD(d0);
4010: return r;
1.55 noro 4011: }
4012:
1.56 noro 4013: /* product of monomials */
4014: /* XXX block order is not handled correctly */
4015:
1.55 noro 4016: void weyl_mul_nm_nmv(int n,int mod,NM m0,NMV m1,NM *tab,int tlen)
4017: {
1.157 noro 4018: int i,n2,j,s,curlen,homo,h,a,b,k,l,u,min;
4019: UINT *d0,*d1,*d,*dt,*ctab;
4020: Q *ctab_q;
4021: Q q,q1;
4022: UINT c0,c1,c;
4023: NM *p;
4024: NM m,t;
4025: int mpos;
4026:
4027: for ( i = 0; i < tlen; i++ ) tab[i] = 0;
4028: if ( !m0 || !m1 ) return;
4029: d0 = DL(m0); d1 = DL(m1); n2 = n>>1;
1.166 noro 4030: if ( nd_module )
4031: if ( MPOS(d0) ) error("weyl_mul_nm_nmv : invalid operation");
4032:
1.157 noro 4033: NEWNM(m); d = DL(m);
4034: if ( mod ) {
4035: c0 = CM(m0); c1 = CM(m1); DMAR(c0,c1,0,mod,c); CM(m) = c;
4036: } else
4037: mulq(CQ(m0),CQ(m1),&CQ(m));
4038: for ( i = 0; i < nd_wpd; i++ ) d[i] = 0;
4039: homo = n&1 ? 1 : 0;
4040: if ( homo ) {
4041: /* offset of h-degree */
4042: h = GET_EXP(d0,n-1)+GET_EXP(d1,n-1);
4043: PUT_EXP(DL(m),n-1,h);
4044: TD(DL(m)) = h;
4045: if ( nd_blockmask ) ndl_weight_mask(DL(m));
4046: }
4047: tab[0] = m;
4048: NEWNM(m); d = DL(m);
4049: for ( i = 0, curlen = 1; i < n2; i++ ) {
4050: a = GET_EXP(d0,i); b = GET_EXP(d1,n2+i);
4051: k = GET_EXP(d0,n2+i); l = GET_EXP(d1,i);
4052: /* xi^a*(Di^k*xi^l)*Di^b */
4053: a += l; b += k;
4054: s = MUL_WEIGHT(a,i)+MUL_WEIGHT(b,n2+i);
4055: if ( !k || !l ) {
4056: for ( j = 0; j < curlen; j++ )
4057: if ( t = tab[j] ) {
4058: dt = DL(t);
4059: PUT_EXP(dt,i,a); PUT_EXP(dt,n2+i,b); TD(dt) += s;
4060: if ( nd_blockmask ) ndl_weight_mask(dt);
4061: }
4062: curlen *= k+1;
4063: continue;
4064: }
4065: min = MIN(k,l);
4066: if ( mod ) {
4067: ctab = (UINT *)ALLOCA((min+1)*sizeof(UINT));
4068: mkwcm(k,l,mod,ctab);
4069: } else {
4070: ctab_q = (Q *)ALLOCA((min+1)*sizeof(Q));
4071: mkwc(k,l,ctab_q);
4072: }
4073: for ( j = min; j >= 0; j-- ) {
4074: for ( u = 0; u < nd_wpd; u++ ) d[u] = 0;
4075: PUT_EXP(d,i,a-j); PUT_EXP(d,n2+i,b-j);
4076: h = MUL_WEIGHT(a-j,i)+MUL_WEIGHT(b-j,n2+i);
4077: if ( homo ) {
4078: TD(d) = s;
4079: PUT_EXP(d,n-1,s-h);
4080: } else TD(d) = h;
4081: if ( nd_blockmask ) ndl_weight_mask(d);
4082: if ( mod ) c = ctab[j];
4083: else q = ctab_q[j];
4084: p = tab+curlen*j;
4085: if ( j == 0 ) {
4086: for ( u = 0; u < curlen; u++, p++ ) {
4087: if ( tab[u] ) {
4088: ndl_addto(DL(tab[u]),d);
4089: if ( mod ) {
4090: c0 = CM(tab[u]); DMAR(c0,c,0,mod,c1); CM(tab[u]) = c1;
4091: } else {
4092: mulq(CQ(tab[u]),q,&q1); CQ(tab[u]) = q1;
4093: }
4094: }
4095: }
4096: } else {
4097: for ( u = 0; u < curlen; u++, p++ ) {
4098: if ( tab[u] ) {
4099: NEWNM(t);
4100: ndl_add(DL(tab[u]),d,DL(t));
4101: if ( mod ) {
4102: c0 = CM(tab[u]); DMAR(c0,c,0,mod,c1); CM(t) = c1;
4103: } else
4104: mulq(CQ(tab[u]),q,&CQ(t));
4105: *p = t;
4106: }
4107: }
4108: }
4109: }
4110: curlen *= k+1;
4111: }
4112: FREENM(m);
1.167 noro 4113: if ( nd_module ) {
1.166 noro 4114: mpos = MPOS(d1);
1.167 noro 4115: for ( i = 0; i < tlen; i++ )
4116: if ( tab[i] ) {
4117: d = DL(tab[i]);
4118: MPOS(d) = mpos;
4119: TD(d) = ndl_weight(d);
4120: }
4121: }
1.55 noro 4122: }
4123:
1.63 noro 4124: ND ndv_mul_nm_symbolic(NM m0,NDV p)
4125: {
1.157 noro 4126: NM mr,mr0;
4127: NMV m;
4128: UINT *d,*dt,*dm;
4129: int c,n,td,i,c1,c2,len;
4130: Q q;
4131: ND r;
4132:
4133: if ( !p ) return 0;
4134: else {
4135: n = NV(p); m = BDY(p);
4136: d = DL(m0);
4137: len = LEN(p);
4138: mr0 = 0;
4139: td = TD(d);
4140: c = CM(m0);
4141: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4142: NEXTNM(mr0,mr);
4143: CM(mr) = 1;
4144: ndl_add(DL(m),d,DL(mr));
4145: }
4146: NEXT(mr) = 0;
4147: MKND(NV(p),mr0,len,r);
4148: SG(r) = SG(p) + TD(d);
4149: return r;
4150: }
1.63 noro 4151: }
4152:
1.55 noro 4153: ND ndv_mul_nm(int mod,NM m0,NDV p)
1.9 noro 4154: {
1.157 noro 4155: NM mr,mr0;
4156: NMV m;
4157: UINT *d,*dt,*dm;
4158: int c,n,td,i,c1,c2,len;
4159: P q;
4160: ND r;
4161:
4162: if ( !p ) return 0;
4163: else if ( do_weyl )
4164: if ( mod == -1 )
4165: error("ndv_mul_nm : not implemented (weyl)");
4166: else
4167: return weyl_ndv_mul_nm(mod,m0,p);
4168: else {
4169: n = NV(p); m = BDY(p);
4170: d = DL(m0);
4171: len = LEN(p);
4172: mr0 = 0;
4173: td = TD(d);
4174: if ( mod == -1 ) {
4175: c = CM(m0);
4176: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4177: NEXTNM(mr0,mr);
4178: CM(mr) = _mulsf(CM(m),c);
4179: ndl_add(DL(m),d,DL(mr));
4180: }
4181: } else if ( mod ) {
4182: c = CM(m0);
4183: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4184: NEXTNM(mr0,mr);
4185: c1 = CM(m);
4186: DMAR(c1,c,0,mod,c2);
4187: CM(mr) = c2;
4188: ndl_add(DL(m),d,DL(mr));
4189: }
4190: } else {
4191: q = CP(m0);
4192: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
4193: NEXTNM(mr0,mr);
4194: mulp(nd_vc,CP(m),q,&CP(mr));
4195: ndl_add(DL(m),d,DL(mr));
4196: }
4197: }
4198: NEXT(mr) = 0;
4199: MKND(NV(p),mr0,len,r);
4200: SG(r) = SG(p) + TD(d);
4201: return r;
4202: }
1.4 noro 4203: }
4204:
1.104 noro 4205: ND nd_quo(int mod,PGeoBucket bucket,NDV d)
1.99 noro 4206: {
1.157 noro 4207: NM mq0,mq;
4208: NMV tm;
4209: Q q;
4210: int i,nv,sg,c,c1,c2,hindex;
4211: ND p,t,r;
4212: N tnm;
4213:
4214: if ( bucket->m < 0 ) return 0;
4215: else {
4216: nv = NV(d);
4217: mq0 = 0;
4218: tm = (NMV)ALLOCA(nmv_adv);
4219: while ( 1 ) {
4220: hindex = mod?head_pbucket(mod,bucket):head_pbucket_q(bucket);
4221: if ( hindex < 0 ) break;
4222: p = bucket->body[hindex];
4223: NEXTNM(mq0,mq);
4224: ndl_sub(HDL(p),HDL(d),DL(mq));
4225: ndl_copy(DL(mq),DL(tm));
4226: if ( mod ) {
4227: c1 = invm(HCM(d),mod); c2 = HCM(p);
4228: DMAR(c1,c2,0,mod,c); CM(mq) = c;
4229: CM(tm) = mod-c;
4230: } else {
4231: divsn(NM(HCQ(p)),NM(HCQ(d)),&tnm);
4232: NTOQ(tnm,SGN(HCQ(p))*SGN(HCQ(d)),CQ(mq));
4233: chsgnq(CQ(mq),&CQ(tm));
4234: }
4235: t = ndv_mul_nmv_trunc(mod,tm,d,HDL(d));
4236: bucket->body[hindex] = nd_remove_head(p);
4237: t = nd_remove_head(t);
4238: add_pbucket(mod,bucket,t);
4239: }
4240: if ( !mq0 )
4241: r = 0;
4242: else {
4243: NEXT(mq) = 0;
4244: for ( i = 0, mq = mq0; mq; mq = NEXT(mq), i++ );
4245: MKND(nv,mq0,i,r);
4246: /* XXX */
4247: SG(r) = HTD(r);
4248: }
4249: return r;
4250: }
1.99 noro 4251: }
4252:
1.43 noro 4253: void ndv_realloc(NDV p,int obpe,int oadv,EPOS oepos)
1.11 noro 4254: {
1.157 noro 4255: NMV m,mr,mr0,t;
4256: int len,i,k;
1.11 noro 4257:
1.157 noro 4258: if ( !p ) return;
4259: m = BDY(p); len = LEN(p);
4260: mr0 = nmv_adv>oadv?(NMV)REALLOC(BDY(p),len*nmv_adv):BDY(p);
4261: m = (NMV)((char *)mr0+(len-1)*oadv);
4262: mr = (NMV)((char *)mr0+(len-1)*nmv_adv);
4263: t = (NMV)ALLOCA(nmv_adv);
4264: for ( i = 0; i < len; i++, NMV_OPREV(m), NMV_PREV(mr) ) {
4265: CQ(t) = CQ(m);
4266: for ( k = 0; k < nd_wpd; k++ ) DL(t)[k] = 0;
4267: ndl_reconstruct(DL(m),DL(t),obpe,oepos);
4268: CQ(mr) = CQ(t);
4269: ndl_copy(DL(t),DL(mr));
4270: }
4271: BDY(p) = mr0;
1.61 noro 4272: }
4273:
4274: NDV ndv_dup_realloc(NDV p,int obpe,int oadv,EPOS oepos)
4275: {
1.157 noro 4276: NMV m,mr,mr0;
4277: int len,i;
4278: NDV r;
4279:
4280: if ( !p ) return 0;
4281: m = BDY(p); len = LEN(p);
4282: mr0 = mr = (NMV)MALLOC(len*nmv_adv);
4283: for ( i = 0; i < len; i++, NMV_OADV(m), NMV_ADV(mr) ) {
4284: ndl_zero(DL(mr));
4285: ndl_reconstruct(DL(m),DL(mr),obpe,oepos);
4286: CQ(mr) = CQ(m);
4287: }
4288: MKNDV(NV(p),mr0,len,r);
4289: SG(r) = SG(p);
4290: return r;
1.11 noro 4291: }
4292:
1.61 noro 4293: /* duplicate p */
4294:
4295: NDV ndv_dup(int mod,NDV p)
1.3 noro 4296: {
1.157 noro 4297: NDV d;
4298: NMV t,m,m0;
4299: int i,len;
4300:
4301: if ( !p ) return 0;
4302: len = LEN(p);
4303: m0 = m = (NMV)(mod?MALLOC_ATOMIC(len*nmv_adv):MALLOC(len*nmv_adv));
4304: for ( t = BDY(p), i = 0; i < len; i++, NMV_ADV(t), NMV_ADV(m) ) {
4305: ndl_copy(DL(t),DL(m));
4306: CQ(m) = CQ(t);
4307: }
4308: MKNDV(NV(p),m0,len,d);
4309: SG(d) = SG(p);
4310: return d;
1.23 noro 4311: }
4312:
1.63 noro 4313: ND nd_dup(ND p)
4314: {
1.157 noro 4315: ND d;
4316: NM t,m,m0;
1.63 noro 4317:
1.157 noro 4318: if ( !p ) return 0;
4319: for ( m0 = 0, t = BDY(p); t; t = NEXT(t) ) {
4320: NEXTNM(m0,m);
4321: ndl_copy(DL(t),DL(m));
4322: CQ(m) = CQ(t);
4323: }
4324: if ( m0 ) NEXT(m) = 0;
4325: MKND(NV(p),m0,LEN(p),d);
4326: SG(d) = SG(p);
4327: return d;
1.63 noro 4328: }
4329:
1.61 noro 4330: /* XXX if p->len == 0 then it represents 0 */
4331:
4332: void ndv_mod(int mod,NDV p)
4333: {
1.157 noro 4334: NMV t,d;
4335: int r,s,u;
4336: int i,len,dlen;
4337: P cp;
4338: Q c;
4339: Obj gfs;
4340:
4341: if ( !p ) return;
4342: len = LEN(p);
4343: dlen = 0;
4344: if ( mod == -1 )
4345: for ( t = d = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) {
4346: simp_ff((Obj)CP(t),&gfs);
4347: r = FTOIF(CONT((GFS)gfs));
4348: CM(d) = r;
4349: ndl_copy(DL(t),DL(d));
4350: NMV_ADV(d);
4351: dlen++;
4352: }
4353: else
4354: for ( t = d = BDY(p), i = 0; i < len; i++, NMV_ADV(t) ) {
4355: if ( nd_vc ) {
4356: nd_subst_vector(nd_vc,CP(t),nd_subst,&cp);
4357: c = (Q)cp;
4358: } else
4359: c = CQ(t);
4360: r = rem(NM(c),mod);
4361: if ( r ) {
4362: if ( SGN(c) < 0 )
4363: r = mod-r;
4364: if ( DN(c) ) {
4365: s = rem(DN(c),mod);
4366: if ( !s )
4367: error("ndv_mod : division by 0");
4368: s = invm(s,mod);
4369: DMAR(r,s,0,mod,u); r = u;
4370: }
4371: CM(d) = r;
4372: ndl_copy(DL(t),DL(d));
4373: NMV_ADV(d);
4374: dlen++;
4375: }
4376: }
4377: LEN(p) = dlen;
1.61 noro 4378: }
4379:
4380: NDV ptondv(VL vl,VL dvl,P p)
4381: {
1.157 noro 4382: ND nd;
4383:
4384: nd = ptond(vl,dvl,p);
4385: return ndtondv(0,nd);
4386: }
1.61 noro 4387:
1.157 noro 4388: void pltozpl(LIST l,Q *cont,LIST *pp)
4389: {
4390: NODE nd,nd1;
4391: int n;
4392: P *pl;
4393: Q *cl;
4394: int i;
4395: P dmy;
4396: Q dvr;
4397: LIST r;
4398:
4399: nd = BDY(l); n = length(nd);
4400: pl = (P *)ALLOCA(n*sizeof(P));
4401: cl = (Q *)ALLOCA(n*sizeof(P));
4402: for ( i = 0; i < n; i++, nd = NEXT(nd) )
4403: ptozp((P)BDY(nd),1,&cl[i],&dmy);
4404: qltozl(cl,n,&dvr);
4405: nd = BDY(l);
4406: for ( i = 0; i < n; i++, nd = NEXT(nd) ) {
4407: divsp(CO,(P)BDY(nd),(P)dvr,&pl[i]);
4408: }
4409: nd = 0;
4410: for ( i = n-1; i >= 0; i-- ) {
4411: MKNODE(nd1,pl[i],nd); nd = nd1;
4412: }
4413: MKLIST(r,nd);
4414: *pp = r;
4415: }
4416:
4417: /* (a1,a2,...,an) -> a1*e(1)+...+an*e(n) */
4418:
4419: NDV pltondv(VL vl,VL dvl,LIST p)
4420: {
4421: int i;
4422: NODE t;
4423: ND r,ri;
4424: NM m;
4425:
4426: if ( !nd_module ) error("pltond : module order must be set");
4427: r = 0;
4428: for ( i = 1, t = BDY(p); t; t = NEXT(t), i++ ) {
4429: ri = ptond(vl,dvl,(P)BDY(t));
1.163 noro 4430: if ( ri )
4431: for ( m = BDY(ri); m; m = NEXT(m) ) {
1.167 noro 4432: MPOS(DL(m)) = i;
4433: TD(DL(m)) = ndl_weight(DL(m));
1.163 noro 4434: if ( nd_blockmask ) ndl_weight_mask(DL(m));
4435: }
1.157 noro 4436: r = nd_add(0,r,ri);
4437: }
4438: return ndtondv(0,r);
1.61 noro 4439: }
4440:
4441: ND ptond(VL vl,VL dvl,P p)
1.23 noro 4442: {
1.157 noro 4443: int n,i,j,k,e;
4444: VL tvl;
4445: V v;
4446: DCP dc;
4447: DCP *w;
4448: ND r,s,t,u;
4449: P x;
4450: int c;
4451: UINT *d;
4452: NM m,m0;
4453:
4454: if ( !p )
4455: return 0;
4456: else if ( NUM(p) ) {
4457: NEWNM(m);
4458: ndl_zero(DL(m));
4459: CQ(m) = (Q)p;
4460: NEXT(m) = 0;
4461: MKND(nd_nvar,m,1,r);
4462: SG(r) = 0;
4463: return r;
4464: } else {
4465: for ( dc = DC(p), k = 0; dc; dc = NEXT(dc), k++ );
4466: w = (DCP *)ALLOCA(k*sizeof(DCP));
4467: for ( dc = DC(p), j = 0; j < k; dc = NEXT(dc), j++ ) w[j] = dc;
4468: for ( i = 0, tvl = dvl, v = VR(p);
4469: tvl && tvl->v != v; tvl = NEXT(tvl), i++ );
4470: if ( !tvl ) {
4471: for ( j = k-1, s = 0, MKV(v,x); j >= 0; j-- ) {
4472: t = ptond(vl,dvl,COEF(w[j]));
4473: pwrp(vl,x,DEG(w[j]),&p);
4474: nd_mul_c_p(CO,t,p); s = nd_add(0,s,t);
4475: }
4476: return s;
4477: } else {
4478: NEWNM(m0); d = DL(m0);
4479: for ( j = k-1, s = 0; j >= 0; j-- ) {
4480: ndl_zero(d); e = QTOS(DEG(w[j])); PUT_EXP(d,i,e);
4481: TD(d) = MUL_WEIGHT(e,i);
4482: if ( nd_blockmask) ndl_weight_mask(d);
4483: if ( nd_module ) MPOS(d) = 0;
4484: t = ptond(vl,dvl,COEF(w[j]));
4485: for ( m = BDY(t); m; m = NEXT(m) )
4486: ndl_addto(DL(m),d);
4487: SG(t) += TD(d);
4488: s = nd_add(0,s,t);
4489: }
4490: FREENM(m0);
4491: return s;
4492: }
4493: }
1.61 noro 4494: }
4495:
4496: P ndvtop(int mod,VL vl,VL dvl,NDV p)
4497: {
1.157 noro 4498: VL tvl;
4499: int len,n,j,i,e;
4500: NMV m;
4501: Q q;
4502: P c;
4503: UINT *d;
4504: P s,r,u,t,w;
4505: GFS gfs;
4506:
4507: if ( !p ) return 0;
4508: else {
4509: len = LEN(p);
4510: n = NV(p);
4511: m = (NMV)(((char *)BDY(p))+nmv_adv*(len-1));
4512: for ( j = len-1, s = 0; j >= 0; j--, NMV_PREV(m) ) {
4513: if ( mod == -1 ) {
4514: e = IFTOF(CM(m)); MKGFS(e,gfs); c = (P)gfs;
4515: } else if ( mod ) {
4516: STOQ(CM(m),q); c = (P)q;
4517: } else
4518: c = CP(m);
4519: d = DL(m);
4520: for ( i = 0, t = c, tvl = dvl; i < n; tvl = NEXT(tvl), i++ ) {
4521: MKV(tvl->v,r); e = GET_EXP(d,i); STOQ(e,q);
4522: pwrp(vl,r,q,&u); mulp(vl,t,u,&w); t = w;
4523: }
4524: addp(vl,s,t,&u); s = u;
4525: }
4526: return s;
4527: }
4528: }
4529:
4530: LIST ndvtopl(int mod,VL vl,VL dvl,NDV p,int rank)
4531: {
4532: VL tvl;
4533: int len,n,j,i,e;
4534: NMV m;
4535: Q q;
4536: P c;
4537: UINT *d;
4538: P s,r,u,t,w;
4539: GFS gfs;
4540: P *a;
4541: LIST l;
4542: NODE nd,nd1;
4543:
4544: if ( !p ) return 0;
4545: else {
4546: a = (P *)ALLOCA((rank+1)*sizeof(P));
4547: for ( i = 0; i <= rank; i++ ) a[i] = 0;
4548: len = LEN(p);
4549: n = NV(p);
4550: m = (NMV)(((char *)BDY(p))+nmv_adv*(len-1));
4551: for ( j = len-1; j >= 0; j--, NMV_PREV(m) ) {
4552: if ( mod == -1 ) {
4553: e = IFTOF(CM(m)); MKGFS(e,gfs); c = (P)gfs;
4554: } else if ( mod ) {
4555: STOQ(CM(m),q); c = (P)q;
4556: } else
4557: c = CP(m);
4558: d = DL(m);
4559: for ( i = 0, t = c, tvl = dvl; i < n; tvl = NEXT(tvl), i++ ) {
4560: MKV(tvl->v,r); e = GET_EXP(d,i); STOQ(e,q);
4561: pwrp(vl,r,q,&u); mulp(vl,t,u,&w); t = w;
4562: }
4563: addp(vl,a[MPOS(d)],t,&u); a[MPOS(d)] = u;
4564: }
4565: nd = 0;
4566: for ( i = rank; i > 0; i-- ) {
4567: MKNODE(nd1,a[i],nd); nd = nd1;
4568: }
4569: MKLIST(l,nd);
4570: return l;
4571: }
1.3 noro 4572: }
4573:
1.61 noro 4574: NDV ndtondv(int mod,ND p)
1.11 noro 4575: {
1.157 noro 4576: NDV d;
4577: NMV m,m0;
4578: NM t;
4579: int i,len;
4580:
4581: if ( !p ) return 0;
4582: len = LEN(p);
4583: if ( mod )
4584: m0 = m = (NMV)GC_malloc_atomic_ignore_off_page(len*nmv_adv);
4585: else
4586: m0 = m = MALLOC(len*nmv_adv);
1.103 noro 4587: #if 0
1.157 noro 4588: ndv_alloc += nmv_adv*len;
1.103 noro 4589: #endif
1.157 noro 4590: for ( t = BDY(p), i = 0; t; t = NEXT(t), i++, NMV_ADV(m) ) {
4591: ndl_copy(DL(t),DL(m));
4592: CQ(m) = CQ(t);
4593: }
4594: MKNDV(NV(p),m0,len,d);
4595: SG(d) = SG(p);
4596: return d;
1.11 noro 4597: }
4598:
1.61 noro 4599: ND ndvtond(int mod,NDV p)
1.11 noro 4600: {
1.157 noro 4601: ND d;
4602: NM m,m0;
4603: NMV t;
4604: int i,len;
4605:
4606: if ( !p ) return 0;
4607: m0 = 0;
4608: len = p->len;
4609: for ( t = BDY(p), i = 0; i < len; NMV_ADV(t), i++ ) {
4610: NEXTNM(m0,m);
4611: ndl_copy(DL(t),DL(m));
4612: CQ(m) = CQ(t);
4613: }
4614: NEXT(m) = 0;
4615: MKND(NV(p),m0,len,d);
4616: SG(d) = SG(p);
4617: return d;
1.11 noro 4618: }
4619:
1.3 noro 4620: void ndv_print(NDV p)
4621: {
1.157 noro 4622: NMV m;
4623: int i,len;
1.3 noro 4624:
1.157 noro 4625: if ( !p ) printf("0\n");
4626: else {
4627: len = LEN(p);
4628: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
4629: if ( CM(m) & 0x80000000 ) printf("+@_%d*",IFTOF(CM(m)));
4630: else printf("+%d*",CM(m));
4631: ndl_print(DL(m));
4632: }
4633: printf("\n");
4634: }
1.16 noro 4635: }
4636:
1.113 noro 4637: void ndv_print_q(NDV p)
1.16 noro 4638: {
1.157 noro 4639: NMV m;
4640: int i,len;
1.16 noro 4641:
1.157 noro 4642: if ( !p ) printf("0\n");
4643: else {
4644: len = LEN(p);
4645: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
4646: printf("+");
4647: printexpr(CO,(Obj)CQ(m));
4648: printf("*");
4649: ndl_print(DL(m));
4650: }
4651: printf("\n");
4652: }
1.25 noro 4653: }
4654:
1.167 noro 4655: NODE ndv_reducebase(NODE x,int *perm)
1.27 noro 4656: {
1.157 noro 4657: int len,i,j;
1.167 noro 4658: NDVI w;
1.157 noro 4659: NODE t,t0;
4660:
4661: len = length(x);
1.167 noro 4662: w = (NDVI)ALLOCA(len*sizeof(struct oNDVI));
4663: for ( i = 0, t = x; i < len; i++, t = NEXT(t) ) {
4664: w[i].p = BDY(t); w[i].i = perm[i];
4665: }
1.157 noro 4666: for ( i = 0; i < len; i++ ) {
4667: for ( j = 0; j < i; j++ ) {
1.167 noro 4668: if ( w[i].p && w[j].p )
4669: if ( ndl_reducible(HDL(w[i].p),HDL(w[j].p)) ) w[i].p = 0;
4670: else if ( ndl_reducible(HDL(w[j].p),HDL(w[i].p)) ) w[j].p = 0;
1.157 noro 4671: }
4672: }
1.167 noro 4673: for ( i = j = 0, t0 = 0; i < len; i++ ) {
4674: if ( w[i].p ) {
4675: NEXTNODE(t0,t); BDY(t) = (pointer)w[i].p;
4676: perm[j++] = w[i].i;
4677: }
1.157 noro 4678: }
4679: NEXT(t) = 0; x = t0;
4680: return x;
1.11 noro 4681: }
1.32 noro 4682:
1.43 noro 4683: /* XXX incomplete */
4684:
1.32 noro 4685: void nd_init_ord(struct order_spec *ord)
4686: {
1.157 noro 4687: nd_module = (ord->id >= 256);
4688: switch ( ord->id ) {
4689: case 0:
4690: switch ( ord->ord.simple ) {
4691: case 0:
4692: nd_dcomp = 1;
4693: nd_isrlex = 1;
4694: break;
4695: case 1:
4696: nd_dcomp = 1;
4697: nd_isrlex = 0;
4698: break;
4699: case 2:
4700: nd_dcomp = 0;
4701: nd_isrlex = 0;
4702: ndl_compare_function = ndl_lex_compare;
4703: break;
4704: case 11:
4705: /* XXX */
4706: nd_dcomp = 0;
4707: nd_isrlex = 1;
4708: ndl_compare_function = ndl_ww_lex_compare;
4709: break;
4710: default:
4711: error("nd_gr : unsupported order");
4712: }
4713: break;
4714: case 1:
4715: /* block order */
4716: /* XXX */
4717: nd_dcomp = -1;
4718: nd_isrlex = 0;
4719: ndl_compare_function = ndl_block_compare;
4720: break;
4721: case 2:
4722: /* matrix order */
4723: /* XXX */
4724: nd_dcomp = -1;
4725: nd_isrlex = 0;
4726: nd_matrix_len = ord->ord.matrix.row;
4727: nd_matrix = ord->ord.matrix.matrix;
4728: ndl_compare_function = ndl_matrix_compare;
4729: break;
4730: case 3:
4731: /* composite order */
4732: nd_dcomp = -1;
4733: nd_isrlex = 0;
4734: nd_worb_len = ord->ord.composite.length;
4735: nd_worb = ord->ord.composite.w_or_b;
4736: ndl_compare_function = ndl_composite_compare;
4737: break;
4738:
4739: /* module order */
4740: case 256:
1.160 noro 4741: nd_ispot = ord->ispot;
1.157 noro 4742: nd_dcomp = -1;
4743: switch ( ord->ord.simple ) {
4744: case 0:
1.167 noro 4745: nd_isrlex = 1;
1.157 noro 4746: ndl_compare_function = ndl_module_grlex_compare;
4747: break;
4748: case 1:
1.167 noro 4749: nd_isrlex = 0;
1.157 noro 4750: ndl_compare_function = ndl_module_glex_compare;
4751: break;
4752: case 2:
1.167 noro 4753: nd_isrlex = 0;
1.157 noro 4754: ndl_compare_function = ndl_module_lex_compare;
4755: break;
4756: default:
4757: error("nd_gr : unsupported order");
4758: }
4759: break;
4760: case 257:
4761: /* block order */
4762: ndl_compare_function = ndl_module_block_compare;
4763: break;
4764: case 258:
4765: /* matrix order */
4766: nd_matrix_len = ord->ord.matrix.row;
4767: nd_matrix = ord->ord.matrix.matrix;
4768: ndl_compare_function = ndl_module_matrix_compare;
4769: break;
4770: case 259:
4771: /* composite order */
4772: nd_worb_len = ord->ord.composite.length;
4773: nd_worb = ord->ord.composite.w_or_b;
4774: ndl_compare_function = ndl_module_composite_compare;
4775: break;
4776: }
4777: nd_ord = ord;
1.32 noro 4778: }
4779:
1.43 noro 4780: BlockMask nd_create_blockmask(struct order_spec *ord)
4781: {
1.157 noro 4782: int n,i,j,s,l;
4783: UINT *t;
4784: BlockMask bm;
4785:
4786: /* we only create mask table for block order */
1.164 noro 4787: if ( ord->id != 1 && ord->id != 257 )
1.157 noro 4788: return 0;
4789: n = ord->ord.block.length;
4790: bm = (BlockMask)MALLOC(sizeof(struct oBlockMask));
4791: bm->n = n;
4792: bm->order_pair = ord->ord.block.order_pair;
4793: bm->mask = (UINT **)MALLOC(n*sizeof(UINT *));
4794: for ( i = 0, s = 0; i < n; i++ ) {
4795: bm->mask[i] = t = (UINT *)MALLOC_ATOMIC(nd_wpd*sizeof(UINT));
4796: for ( j = 0; j < nd_wpd; j++ ) t[j] = 0;
4797: l = bm->order_pair[i].length;
4798: for ( j = 0; j < l; j++, s++ ) PUT_EXP(t,s,nd_mask0);
4799: }
4800: return bm;
1.57 noro 4801: }
4802:
4803: EPOS nd_create_epos(struct order_spec *ord)
4804: {
1.157 noro 4805: int i,j,l,s,ord_l,ord_o;
4806: EPOS epos;
4807: struct order_pair *op;
4808:
4809: epos = (EPOS)MALLOC_ATOMIC(nd_nvar*sizeof(struct oEPOS));
4810: switch ( ord->id ) {
1.164 noro 4811: case 0: case 256:
1.157 noro 4812: if ( nd_isrlex ) {
4813: for ( i = 0; i < nd_nvar; i++ ) {
4814: epos[i].i = nd_exporigin + (nd_nvar-1-i)/nd_epw;
4815: epos[i].s = (nd_epw-((nd_nvar-1-i)%nd_epw)-1)*nd_bpe;
4816: }
4817: } else {
4818: for ( i = 0; i < nd_nvar; i++ ) {
4819: epos[i].i = nd_exporigin + i/nd_epw;
4820: epos[i].s = (nd_epw-(i%nd_epw)-1)*nd_bpe;
4821: }
4822: }
4823: break;
1.164 noro 4824: case 1: case 257:
1.157 noro 4825: /* block order */
4826: l = ord->ord.block.length;
4827: op = ord->ord.block.order_pair;
4828: for ( j = 0, s = 0; j < l; j++ ) {
4829: ord_o = op[j].order;
4830: ord_l = op[j].length;
4831: if ( !ord_o )
4832: for ( i = 0; i < ord_l; i++ ) {
4833: epos[s+i].i = nd_exporigin + (s+ord_l-i-1)/nd_epw;
4834: epos[s+i].s = (nd_epw-((s+ord_l-i-1)%nd_epw)-1)*nd_bpe;
4835: }
4836: else
4837: for ( i = 0; i < ord_l; i++ ) {
4838: epos[s+i].i = nd_exporigin + (s+i)/nd_epw;
4839: epos[s+i].s = (nd_epw-((s+i)%nd_epw)-1)*nd_bpe;
4840: }
4841: s += ord_l;
4842: }
4843: break;
4844: case 2:
4845: /* matrix order */
4846: case 3:
4847: /* composite order */
1.167 noro 4848: default:
1.157 noro 4849: for ( i = 0; i < nd_nvar; i++ ) {
4850: epos[i].i = nd_exporigin + i/nd_epw;
4851: epos[i].s = (nd_epw-(i%nd_epw)-1)*nd_bpe;
4852: }
4853: break;
4854: }
4855: return epos;
1.43 noro 4856: }
1.59 noro 4857:
4858: /* external interface */
4859:
4860: void nd_nf_p(P f,LIST g,LIST v,int m,struct order_spec *ord,P *rp)
4861: {
1.157 noro 4862: NODE t,in0,in;
4863: ND nd,nf;
4864: NDV ndv;
4865: VL vv,tv;
4866: int stat,nvar,max,e;
4867: union oNDC dn;
4868: Q cont;
4869: P pp;
4870:
4871: if ( !f ) {
4872: *rp = 0;
4873: return;
4874: }
4875: pltovl(v,&vv);
4876: for ( nvar = 0, tv = vv; tv; tv = NEXT(tv), nvar++ );
4877:
4878: /* get the degree bound */
4879: for ( t = BDY(g), max = 0; t; t = NEXT(t) )
4880: for ( tv = vv; tv; tv = NEXT(tv) ) {
4881: e = getdeg(tv->v,(P)BDY(t));
4882: max = MAX(e,max);
4883: }
4884: for ( tv = vv; tv; tv = NEXT(tv) ) {
4885: e = getdeg(tv->v,f);
4886: max = MAX(e,max);
4887: }
4888:
4889: nd_init_ord(ord);
4890: nd_setup_parameters(nvar,max);
4891:
4892: /* conversion to ndv */
4893: for ( in0 = 0, t = BDY(g); t; t = NEXT(t) ) {
4894: NEXTNODE(in0,in);
4895: ptozp((P)BDY(t),1,&cont,&pp);
4896: BDY(in) = (pointer)ptondv(CO,vv,pp);
4897: if ( m ) ndv_mod(m,(NDV)BDY(in));
4898: }
4899: NEXTNODE(in0,in);
4900: BDY(in) = (pointer)ptondv(CO,vv,f);
4901: if ( m ) ndv_mod(m,(NDV)BDY(in));
4902: NEXT(in) = 0;
4903:
4904: /* dont sort, dont removecont */
4905: ndv_setup(m,0,in0,1,1);
4906: nd_psn--;
4907: nd_scale=2;
4908: while ( 1 ) {
4909: nd = (pointer)ndvtond(m,nd_ps[nd_psn]);
4910: stat = nd_nf(m,0,nd,nd_ps,1,0,&nf);
4911: if ( !stat ) {
4912: nd_psn++;
4913: nd_reconstruct(0,0);
4914: nd_psn--;
4915: } else
4916: break;
4917: }
4918: *rp = ndvtop(m,CO,vv,ndtondv(m,nf));
1.63 noro 4919: }
4920:
4921: int nd_to_vect(int mod,UINT *s0,int n,ND d,UINT *r)
4922: {
1.157 noro 4923: NM m;
4924: UINT *t,*s;
4925: int i;
4926:
4927: for ( i = 0; i < n; i++ ) r[i] = 0;
4928: for ( i = 0, s = s0, m = BDY(d); m; m = NEXT(m) ) {
4929: t = DL(m);
4930: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
4931: r[i] = CM(m);
4932: }
4933: for ( i = 0; !r[i]; i++ );
4934: return i;
1.63 noro 4935: }
4936:
1.113 noro 4937: int nd_to_vect_q(UINT *s0,int n,ND d,Q *r)
1.74 noro 4938: {
1.157 noro 4939: NM m;
4940: UINT *t,*s;
4941: int i;
4942:
4943: for ( i = 0; i < n; i++ ) r[i] = 0;
4944: for ( i = 0, s = s0, m = BDY(d); m; m = NEXT(m) ) {
4945: t = DL(m);
4946: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
4947: r[i] = CQ(m);
4948: }
4949: for ( i = 0; !r[i]; i++ );
4950: return i;
1.74 noro 4951: }
4952:
1.129 noro 4953: Q *nm_ind_pair_to_vect(int mod,UINT *s0,int n,NM_ind_pair pair)
4954: {
1.157 noro 4955: NM m;
4956: NMV mr;
4957: UINT *d,*t,*s;
4958: NDV p;
4959: int i,j,len;
4960: Q *r;
4961:
4962: m = pair->mul;
4963: d = DL(m);
4964: p = nd_ps[pair->index];
4965: len = LEN(p);
4966: r = (Q *)CALLOC(n,sizeof(Q));
4967: t = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
4968: for ( i = j = 0, s = s0, mr = BDY(p); j < len; j++, NMV_ADV(mr) ) {
4969: ndl_add(d,DL(mr),t);
4970: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
4971: r[i] = CQ(mr);
4972: }
4973: return r;
1.129 noro 4974: }
4975:
1.67 noro 4976: IndArray nm_ind_pair_to_vect_compress(int mod,UINT *s0,int n,NM_ind_pair pair)
1.64 noro 4977: {
1.157 noro 4978: NM m;
4979: NMV mr;
4980: UINT *d,*t,*s;
4981: NDV p;
4982: unsigned char *ivc;
4983: unsigned short *ivs;
4984: UINT *v,*ivi,*s0v;
4985: int i,j,len,prev,diff,cdiff;
4986: IndArray r;
4987:
4988: m = pair->mul;
4989: d = DL(m);
4990: p = nd_ps[pair->index];
4991: len = LEN(p);
4992: t = (UINT *)ALLOCA(nd_wpd*sizeof(UINT));
4993: v = (unsigned int *)ALLOCA(len*sizeof(unsigned int));
4994: for ( i = j = 0, s = s0, mr = BDY(p); j < len; j++, NMV_ADV(mr) ) {
4995: ndl_add(d,DL(mr),t);
4996: for ( ; !ndl_equal(t,s); s += nd_wpd, i++ );
4997: v[j] = i;
4998: }
4999: r = (IndArray)MALLOC(sizeof(struct oIndArray));
5000: r->head = v[0];
5001: diff = 0;
5002: for ( i = 1; i < len; i++ ) {
5003: cdiff = v[i]-v[i-1]; diff = MAX(cdiff,diff);
5004: }
5005: if ( diff < 256 ) {
5006: r->width = 1;
5007: ivc = (unsigned char *)MALLOC_ATOMIC(len*sizeof(unsigned char));
5008: r->index.c = ivc;
5009: for ( i = 1, ivc[0] = 0; i < len; i++ ) ivc[i] = v[i]-v[i-1];
5010: } else if ( diff < 65536 ) {
5011: r->width = 2;
5012: ivs = (unsigned short *)MALLOC_ATOMIC(len*sizeof(unsigned short));
5013: r->index.s = ivs;
5014: for ( i = 1, ivs[0] = 0; i < len; i++ ) ivs[i] = v[i]-v[i-1];
5015: } else {
5016: r->width = 4;
5017: ivi = (unsigned int *)MALLOC_ATOMIC(len*sizeof(unsigned int));
5018: r->index.i = ivi;
5019: for ( i = 1, ivi[0] = 0; i < len; i++ ) ivi[i] = v[i]-v[i-1];
5020: }
5021: return r;
1.64 noro 5022: }
5023:
1.135 noro 5024: int compress_array(Q *svect,Q *cvect,int n)
5025: {
1.157 noro 5026: int i,j;
1.135 noro 5027:
1.157 noro 5028: for ( i = j = 0; i < n; i++ )
5029: if ( svect[i] ) cvect[j++] = svect[i];
5030: return j;
1.135 noro 5031: }
5032:
5033: void expand_array(Q *svect,Q *cvect,int n)
5034: {
1.157 noro 5035: int i,j;
1.135 noro 5036:
1.157 noro 5037: for ( i = j = 0; j < n; i++ )
5038: if ( svect[i] ) svect[i] = cvect[j++];
1.135 noro 5039: }
5040:
1.133 noro 5041: int ndv_reduce_vect_q(Q *svect,int trace,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
1.107 noro 5042: {
1.157 noro 5043: int i,j,k,len,pos,prev,nz;
5044: Q cs,mcs,c1,c2,cr,gcd,t;
5045: IndArray ivect;
5046: unsigned char *ivc;
5047: unsigned short *ivs;
5048: unsigned int *ivi;
5049: NDV redv;
5050: NMV mr;
5051: NODE rp;
5052: int maxrs;
5053: double hmag;
5054: Q *cvect;
5055:
5056: maxrs = 0;
5057: for ( i = 0; i < col && !svect[i]; i++ );
5058: if ( i == col ) return maxrs;
5059: hmag = p_mag((P)svect[i])*nd_scale;
5060: cvect = (Q *)ALLOCA(col*sizeof(Q));
5061: for ( i = 0; i < nred; i++ ) {
5062: ivect = imat[i];
5063: k = ivect->head;
5064: if ( svect[k] ) {
5065: maxrs = MAX(maxrs,rp0[i]->sugar);
5066: redv = trace?nd_ps_trace[rp0[i]->index]:nd_ps[rp0[i]->index];
5067: len = LEN(redv); mr = BDY(redv);
5068: igcd_cofactor(svect[k],CQ(mr),&gcd,&cs,&cr);
5069: chsgnq(cs,&mcs);
5070: if ( !UNIQ(cr) ) {
5071: for ( j = 0; j < col; j++ ) {
5072: mulq(svect[j],cr,&c1); svect[j] = c1;
5073: }
5074: }
5075: svect[k] = 0; prev = k;
5076: switch ( ivect->width ) {
5077: case 1:
5078: ivc = ivect->index.c;
5079: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5080: pos = prev+ivc[j]; prev = pos;
5081: mulq(CQ(mr),mcs,&c2); addq(svect[pos],c2,&t); svect[pos] = t;
5082: }
5083: break;
5084: case 2:
5085: ivs = ivect->index.s;
5086: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5087: pos = prev+ivs[j]; prev = pos;
5088: mulq(CQ(mr),mcs,&c2); addq(svect[pos],c2,&t); svect[pos] = t;
5089: }
5090: break;
5091: case 4:
5092: ivi = ivect->index.i;
5093: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5094: pos = prev+ivi[j]; prev = pos;
5095: mulq(CQ(mr),mcs,&c2); addq(svect[pos],c2,&t); svect[pos] = t;
5096: }
5097: break;
5098: }
5099: for ( j = k+1; j < col && !svect[j]; j++ );
5100: if ( j == col ) break;
5101: if ( hmag && ((double)p_mag((P)svect[j]) > hmag) ) {
5102: nz = compress_array(svect,cvect,col);
5103: removecont_array((P *)cvect,nz,1);
5104: expand_array(svect,cvect,nz);
5105: hmag = ((double)p_mag((P)svect[j]))*nd_scale;
5106: }
5107: }
5108: }
5109: nz = compress_array(svect,cvect,col);
5110: removecont_array((P *)cvect,nz,1);
5111: expand_array(svect,cvect,nz);
5112: if ( DP_Print ) {
5113: fprintf(asir_out,"-"); fflush(asir_out);
5114: }
5115: return maxrs;
1.107 noro 5116: }
5117:
1.76 noro 5118: int ndv_reduce_vect(int m,UINT *svect,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
1.65 noro 5119: {
1.157 noro 5120: int i,j,k,len,pos,prev;
5121: UINT c,c1,c2,c3,up,lo,dmy;
5122: IndArray ivect;
5123: unsigned char *ivc;
5124: unsigned short *ivs;
5125: unsigned int *ivi;
5126: NDV redv;
5127: NMV mr;
5128: NODE rp;
5129: int maxrs;
5130:
5131: maxrs = 0;
5132: for ( i = 0; i < nred; i++ ) {
5133: ivect = imat[i];
5134: k = ivect->head; svect[k] %= m;
5135: if ( c = svect[k] ) {
5136: maxrs = MAX(maxrs,rp0[i]->sugar);
5137: c = m-c; redv = nd_ps[rp0[i]->index];
5138: len = LEN(redv); mr = BDY(redv);
5139: svect[k] = 0; prev = k;
5140: switch ( ivect->width ) {
5141: case 1:
5142: ivc = ivect->index.c;
5143: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5144: pos = prev+ivc[j]; c1 = CM(mr); c2 = svect[pos];
5145: prev = pos;
5146: DMA(c1,c,c2,up,lo);
5147: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
5148: } else svect[pos] = lo;
5149: }
5150: break;
5151: case 2:
5152: ivs = ivect->index.s;
5153: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5154: pos = prev+ivs[j]; c1 = CM(mr); c2 = svect[pos];
5155: prev = pos;
5156: DMA(c1,c,c2,up,lo);
5157: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
5158: } else svect[pos] = lo;
5159: }
5160: break;
5161: case 4:
5162: ivi = ivect->index.i;
5163: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5164: pos = prev+ivi[j]; c1 = CM(mr); c2 = svect[pos];
5165: prev = pos;
5166: DMA(c1,c,c2,up,lo);
5167: if ( up ) { DSAB(m,up,lo,dmy,c3); svect[pos] = c3;
5168: } else svect[pos] = lo;
5169: }
5170: break;
5171: }
5172: }
5173: }
5174: for ( i = 0; i < col; i++ )
5175: if ( svect[i] >= (UINT)m ) svect[i] %= m;
5176: return maxrs;
1.65 noro 5177: }
5178:
1.76 noro 5179: int ndv_reduce_vect_sf(int m,UINT *svect,int col,IndArray *imat,NM_ind_pair *rp0,int nred)
1.72 noro 5180: {
1.157 noro 5181: int i,j,k,len,pos,prev;
5182: UINT c,c1,c2,c3,up,lo,dmy;
5183: IndArray ivect;
5184: unsigned char *ivc;
5185: unsigned short *ivs;
5186: unsigned int *ivi;
5187: NDV redv;
5188: NMV mr;
5189: NODE rp;
5190: int maxrs;
5191:
5192: maxrs = 0;
5193: for ( i = 0; i < nred; i++ ) {
5194: ivect = imat[i];
5195: k = ivect->head; svect[k] %= m;
5196: if ( c = svect[k] ) {
5197: maxrs = MAX(maxrs,rp0[i]->sugar);
5198: c = _chsgnsf(c); redv = nd_ps[rp0[i]->index];
5199: len = LEN(redv); mr = BDY(redv);
5200: svect[k] = 0; prev = k;
5201: switch ( ivect->width ) {
5202: case 1:
5203: ivc = ivect->index.c;
5204: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5205: pos = prev+ivc[j]; prev = pos;
5206: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
5207: }
5208: break;
5209: case 2:
5210: ivs = ivect->index.s;
5211: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5212: pos = prev+ivs[j]; prev = pos;
5213: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
5214: }
5215: break;
5216: case 4:
5217: ivi = ivect->index.i;
5218: for ( j = 1, NMV_ADV(mr); j < len; j++, NMV_ADV(mr) ) {
5219: pos = prev+ivi[j]; prev = pos;
5220: svect[pos] = _addsf(_mulsf(CM(mr),c),svect[pos]);
5221: }
5222: break;
5223: }
5224: }
5225: }
5226: return maxrs;
1.72 noro 5227: }
5228:
1.65 noro 5229: NDV vect_to_ndv(UINT *vect,int spcol,int col,int *rhead,UINT *s0vect)
5230: {
1.157 noro 5231: int j,k,len;
5232: UINT *p;
5233: UINT c;
5234: NDV r;
5235: NMV mr0,mr;
5236:
5237: for ( j = 0, len = 0; j < spcol; j++ ) if ( vect[j] ) len++;
5238: if ( !len ) return 0;
5239: else {
5240: mr0 = (NMV)GC_malloc_atomic_ignore_off_page(nmv_adv*len);
1.103 noro 5241: #if 0
1.157 noro 5242: ndv_alloc += nmv_adv*len;
1.103 noro 5243: #endif
1.157 noro 5244: mr = mr0;
5245: p = s0vect;
5246: for ( j = k = 0; j < col; j++, p += nd_wpd )
5247: if ( !rhead[j] ) {
5248: if ( c = vect[k++] ) {
5249: ndl_copy(p,DL(mr)); CM(mr) = c; NMV_ADV(mr);
5250: }
5251: }
5252: MKNDV(nd_nvar,mr0,len,r);
5253: return r;
5254: }
1.65 noro 5255: }
5256:
1.129 noro 5257: /* for preprocessed vector */
5258:
1.113 noro 5259: NDV vect_to_ndv_q(Q *vect,int spcol,int col,int *rhead,UINT *s0vect)
1.107 noro 5260: {
1.157 noro 5261: int j,k,len;
5262: UINT *p;
5263: Q c;
5264: NDV r;
5265: NMV mr0,mr;
5266:
5267: for ( j = 0, len = 0; j < spcol; j++ ) if ( vect[j] ) len++;
5268: if ( !len ) return 0;
5269: else {
5270: mr0 = (NMV)GC_malloc(nmv_adv*len);
1.107 noro 5271: #if 0
1.157 noro 5272: ndv_alloc += nmv_adv*len;
1.107 noro 5273: #endif
1.157 noro 5274: mr = mr0;
5275: p = s0vect;
5276: for ( j = k = 0; j < col; j++, p += nd_wpd )
5277: if ( !rhead[j] ) {
5278: if ( c = vect[k++] ) {
5279: if ( DN(c) )
5280: error("afo");
5281: ndl_copy(p,DL(mr)); CQ(mr) = c; NMV_ADV(mr);
5282: }
5283: }
5284: MKNDV(nd_nvar,mr0,len,r);
5285: return r;
5286: }
1.107 noro 5287: }
5288:
1.129 noro 5289: /* for plain vector */
5290:
5291: NDV plain_vect_to_ndv_q(Q *vect,int col,UINT *s0vect)
5292: {
1.157 noro 5293: int j,k,len;
5294: UINT *p;
5295: Q c;
5296: NDV r;
5297: NMV mr0,mr;
5298:
5299: for ( j = 0, len = 0; j < col; j++ ) if ( vect[j] ) len++;
5300: if ( !len ) return 0;
5301: else {
5302: mr0 = (NMV)GC_malloc(nmv_adv*len);
1.129 noro 5303: #if 0
1.157 noro 5304: ndv_alloc += nmv_adv*len;
1.129 noro 5305: #endif
1.157 noro 5306: mr = mr0;
5307: p = s0vect;
5308: for ( j = k = 0; j < col; j++, p += nd_wpd, k++ )
5309: if ( c = vect[k] ) {
5310: if ( DN(c) )
5311: error("afo");
5312: ndl_copy(p,DL(mr)); CQ(mr) = c; NMV_ADV(mr);
5313: }
5314: MKNDV(nd_nvar,mr0,len,r);
5315: return r;
5316: }
1.129 noro 5317: }
5318:
1.133 noro 5319: int nd_sp_f4(int m,int trace,ND_pairs l,PGeoBucket bucket)
1.65 noro 5320: {
1.157 noro 5321: ND_pairs t;
5322: NODE sp0,sp;
5323: int stat;
5324: ND spol;
5325:
5326: for ( t = l; t; t = NEXT(t) ) {
5327: stat = nd_sp(m,trace,t,&spol);
5328: if ( !stat ) return 0;
5329: if ( spol ) {
5330: add_pbucket_symbolic(bucket,spol);
5331: }
5332: }
5333: return 1;
1.65 noro 5334: }
5335:
1.133 noro 5336: int nd_symbolic_preproc(PGeoBucket bucket,int trace,UINT **s0vect,NODE *r)
1.65 noro 5337: {
1.157 noro 5338: NODE rp0,rp;
5339: NM mul,head,s0,s;
5340: int index,col,i,sugar;
5341: RHist h;
5342: UINT *s0v,*p;
5343: NM_ind_pair pair;
5344: ND red;
5345: NDV *ps;
5346:
5347: s0 = 0; rp0 = 0; col = 0;
5348: ps = trace?nd_ps_trace:nd_ps;
5349: while ( 1 ) {
5350: head = remove_head_pbucket_symbolic(bucket);
5351: if ( !head ) break;
5352: if ( !s0 ) s0 = head;
5353: else NEXT(s) = head;
5354: s = head;
5355: index = ndl_find_reducer(DL(head));
5356: if ( index >= 0 ) {
5357: h = nd_psh[index];
5358: NEWNM(mul);
5359: ndl_sub(DL(head),DL(h),DL(mul));
5360: if ( ndl_check_bound2(index,DL(mul)) ) return 0;
5361: sugar = TD(DL(mul))+SG(ps[index]);
5362: MKNM_ind_pair(pair,mul,index,sugar);
5363: red = ndv_mul_nm_symbolic(mul,ps[index]);
5364: add_pbucket_symbolic(bucket,nd_remove_head(red));
5365: NEXTNODE(rp0,rp); BDY(rp) = (pointer)pair;
5366: }
5367: col++;
5368: }
5369: if ( rp0 ) NEXT(rp) = 0;
5370: NEXT(s) = 0;
5371: s0v = (UINT *)MALLOC_ATOMIC(col*nd_wpd*sizeof(UINT));
5372: for ( i = 0, p = s0v, s = s0; i < col;
5373: i++, p += nd_wpd, s = NEXT(s) ) ndl_copy(DL(s),p);
5374: *s0vect = s0v;
5375: *r = rp0;
5376: return col;
1.65 noro 5377: }
5378:
1.167 noro 5379: NODE nd_f4(int m,int **indp)
1.69 noro 5380: {
1.157 noro 5381: int i,nh,stat,index;
5382: NODE r,g;
5383: ND_pairs d,l,t;
5384: ND spol,red;
5385: NDV nf,redv;
5386: NM s0,s;
5387: NODE rp0,srp0,nflist;
5388: int nsp,nred,col,rank,len,k,j,a;
5389: UINT c;
5390: UINT **spmat;
5391: UINT *s0vect,*svect,*p,*v;
5392: int *colstat;
5393: IndArray *imat;
5394: int *rhead;
5395: int spcol,sprow;
5396: int sugar;
5397: PGeoBucket bucket;
5398: struct oEGT eg0,eg1,eg_f4;
1.69 noro 5399:
1.103 noro 5400: #if 0
1.157 noro 5401: ndv_alloc = 0;
1.103 noro 5402: #endif
1.157 noro 5403: g = 0; d = 0;
5404: for ( i = 0; i < nd_psn; i++ ) {
1.168 noro 5405: d = update_pairs(d,g,i,0);
1.157 noro 5406: g = update_base(g,i);
5407: }
5408: while ( d ) {
5409: get_eg(&eg0);
5410: l = nd_minsugarp(d,&d);
5411: sugar = SG(l);
5412: bucket = create_pbucket();
5413: stat = nd_sp_f4(m,0,l,bucket);
5414: if ( !stat ) {
5415: for ( t = l; NEXT(t); t = NEXT(t) );
5416: NEXT(t) = d; d = l;
5417: d = nd_reconstruct(0,d);
5418: continue;
5419: }
5420: if ( bucket->m < 0 ) continue;
5421: col = nd_symbolic_preproc(bucket,0,&s0vect,&rp0);
5422: if ( !col ) {
5423: for ( t = l; NEXT(t); t = NEXT(t) );
5424: NEXT(t) = d; d = l;
5425: d = nd_reconstruct(0,d);
5426: continue;
5427: }
5428: get_eg(&eg1); init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg1);
5429: if ( DP_Print )
5430: fprintf(asir_out,"sugar=%d,symb=%fsec,",
5431: sugar,eg_f4.exectime+eg_f4.gctime);
5432: if ( 1 )
5433: nflist = nd_f4_red(m,l,0,s0vect,col,rp0,0);
5434: else
5435: nflist = nd_f4_red_dist(m,l,s0vect,col,rp0,0);
5436: /* adding new bases */
5437: for ( r = nflist; r; r = NEXT(r) ) {
5438: nf = (NDV)BDY(r);
5439: ndv_removecont(m,nf);
5440: if ( !m && nd_nalg ) {
5441: ND nf1;
5442:
5443: nf1 = ndvtond(m,nf);
5444: nd_monic(0,&nf1);
5445: nd_removecont(m,nf1);
5446: nf = ndtondv(m,nf1);
5447: }
5448: nh = ndv_newps(m,nf,0);
1.168 noro 5449: d = update_pairs(d,g,nh,0);
1.157 noro 5450: g = update_base(g,nh);
5451: }
5452: }
1.103 noro 5453: #if 0
1.157 noro 5454: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
1.103 noro 5455: #endif
1.167 noro 5456: conv_ilist(0,0,g,indp);
1.157 noro 5457: return g;
1.69 noro 5458: }
1.74 noro 5459:
1.167 noro 5460: NODE nd_f4_trace(int m,int **indp)
1.133 noro 5461: {
1.157 noro 5462: int i,nh,stat,index;
5463: NODE r,g;
5464: ND_pairs d,l,l0,t;
5465: ND spol,red;
5466: NDV nf,redv,nfqv,nfv;
5467: NM s0,s;
5468: NODE rp0,srp0,nflist;
5469: int nsp,nred,col,rank,len,k,j,a;
5470: UINT c;
5471: UINT **spmat;
5472: UINT *s0vect,*svect,*p,*v;
5473: int *colstat;
5474: IndArray *imat;
5475: int *rhead;
5476: int spcol,sprow;
5477: int sugar;
5478: PGeoBucket bucket;
5479: struct oEGT eg0,eg1,eg_f4;
5480:
5481: g = 0; d = 0;
5482: for ( i = 0; i < nd_psn; i++ ) {
1.168 noro 5483: d = update_pairs(d,g,i,0);
1.157 noro 5484: g = update_base(g,i);
5485: }
5486: while ( d ) {
5487: get_eg(&eg0);
5488: l = nd_minsugarp(d,&d);
5489: sugar = SG(l);
5490: bucket = create_pbucket();
5491: stat = nd_sp_f4(m,0,l,bucket);
5492: if ( !stat ) {
5493: for ( t = l; NEXT(t); t = NEXT(t) );
5494: NEXT(t) = d; d = l;
5495: d = nd_reconstruct(1,d);
5496: continue;
5497: }
5498: if ( bucket->m < 0 ) continue;
5499: col = nd_symbolic_preproc(bucket,0,&s0vect,&rp0);
5500: if ( !col ) {
5501: for ( t = l; NEXT(t); t = NEXT(t) );
5502: NEXT(t) = d; d = l;
5503: d = nd_reconstruct(1,d);
5504: continue;
5505: }
5506: get_eg(&eg1); init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg1);
5507: if ( DP_Print )
5508: fprintf(asir_out,"sugar=%d,symb=%fsec,",
5509: sugar,eg_f4.exectime+eg_f4.gctime);
5510: nflist = nd_f4_red(m,l,0,s0vect,col,rp0,&l0);
5511: if ( !l0 ) continue;
5512: l = l0;
5513:
5514: /* over Q */
5515: bucket = create_pbucket();
5516: stat = nd_sp_f4(0,1,l,bucket);
5517: if ( !stat ) {
5518: for ( t = l; NEXT(t); t = NEXT(t) );
5519: NEXT(t) = d; d = l;
5520: d = nd_reconstruct(1,d);
5521: continue;
5522: }
5523: if ( bucket->m < 0 ) continue;
5524: col = nd_symbolic_preproc(bucket,1,&s0vect,&rp0);
5525: if ( !col ) {
5526: for ( t = l; NEXT(t); t = NEXT(t) );
5527: NEXT(t) = d; d = l;
5528: d = nd_reconstruct(1,d);
5529: continue;
5530: }
5531: nflist = nd_f4_red(0,l,1,s0vect,col,rp0,0);
5532: /* adding new bases */
5533: for ( r = nflist; r; r = NEXT(r) ) {
5534: nfqv = (NDV)BDY(r);
5535: ndv_removecont(0,nfqv);
5536: if ( !rem(NM(HCQ(nfqv)),m) ) return 0;
5537: if ( nd_nalg ) {
5538: ND nf1;
5539:
5540: nf1 = ndvtond(m,nfqv);
5541: nd_monic(0,&nf1);
5542: nd_removecont(0,nf1);
5543: nfqv = ndtondv(0,nf1); nd_free(nf1);
5544: }
5545: nfv = ndv_dup(0,nfqv);
5546: ndv_mod(m,nfv);
5547: ndv_removecont(m,nfv);
5548: nh = ndv_newps(0,nfv,nfqv);
1.168 noro 5549: d = update_pairs(d,g,nh,0);
1.157 noro 5550: g = update_base(g,nh);
5551: }
5552: }
1.133 noro 5553: #if 0
1.157 noro 5554: fprintf(asir_out,"ndv_alloc=%d\n",ndv_alloc);
1.133 noro 5555: #endif
1.167 noro 5556: conv_ilist(0,1,g,indp);
1.157 noro 5557: return g;
1.133 noro 5558: }
5559:
5560: NODE nd_f4_red(int m,ND_pairs sp0,int trace,UINT *s0vect,int col,NODE rp0,ND_pairs *nz)
1.63 noro 5561: {
1.157 noro 5562: IndArray *imat;
5563: int nsp,nred,i;
5564: int *rhead;
5565: NODE r0,rp;
5566: ND_pairs sp;
5567: NM_ind_pair *rvect;
5568:
5569: for ( sp = sp0, nsp = 0; sp; sp = NEXT(sp), nsp++ );
5570: nred = length(rp0);
5571: imat = (IndArray *)ALLOCA(nred*sizeof(IndArray));
5572: rhead = (int *)ALLOCA(col*sizeof(int));
5573: for ( i = 0; i < col; i++ ) rhead[i] = 0;
5574:
5575: /* construction of index arrays */
5576: rvect = (NM_ind_pair *)ALLOCA(nred*sizeof(NM_ind_pair));
5577: for ( rp = rp0, i = 0; rp; i++, rp = NEXT(rp) ) {
5578: rvect[i] = (NM_ind_pair)BDY(rp);
5579: imat[i] = nm_ind_pair_to_vect_compress(m,s0vect,col,rvect[i]);
5580: rhead[imat[i]->head] = 1;
5581: }
5582: if ( m )
5583: r0 = nd_f4_red_main(m,sp0,nsp,s0vect,col,rvect,rhead,imat,nred,nz);
5584: else
5585: r0 = nd_f4_red_q_main(sp0,nsp,trace,s0vect,col,rvect,rhead,imat,nred);
5586: return r0;
1.106 noro 5587: }
1.74 noro 5588:
1.106 noro 5589: NODE nd_f4_red_main(int m,ND_pairs sp0,int nsp,UINT *s0vect,int col,
1.133 noro 5590: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred,ND_pairs *nz)
1.106 noro 5591: {
1.157 noro 5592: int spcol,sprow,a;
5593: int i,j,k,l,rank;
5594: NODE r0,r;
5595: ND_pairs sp;
5596: ND spol;
5597: int **spmat;
5598: UINT *svect,*v;
5599: int *colstat;
5600: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
5601: int maxrs;
5602: int *spsugar;
5603: ND_pairs *spactive;
5604:
5605: spcol = col-nred;
5606: get_eg(&eg0);
5607: /* elimination (1st step) */
5608: spmat = (int **)ALLOCA(nsp*sizeof(UINT *));
5609: svect = (UINT *)ALLOCA(col*sizeof(UINT));
5610: spsugar = (int *)ALLOCA(nsp*sizeof(UINT));
5611: spactive = !nz?0:(ND_pairs *)ALLOCA(nsp*sizeof(ND_pairs));
5612: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
5613: nd_sp(m,0,sp,&spol);
5614: if ( !spol ) continue;
5615: nd_to_vect(m,s0vect,col,spol,svect);
5616: if ( m == -1 )
5617: maxrs = ndv_reduce_vect_sf(m,svect,col,imat,rvect,nred);
5618: else
5619: maxrs = ndv_reduce_vect(m,svect,col,imat,rvect,nred);
5620: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
5621: if ( i < col ) {
5622: spmat[sprow] = v = (UINT *)MALLOC_ATOMIC(spcol*sizeof(UINT));
5623: for ( j = k = 0; j < col; j++ )
5624: if ( !rhead[j] ) v[k++] = svect[j];
5625: spsugar[sprow] = MAX(maxrs,SG(spol));
5626: if ( nz )
5627: spactive[sprow] = sp;
5628: sprow++;
5629: }
5630: nd_free(spol);
5631: }
5632: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1);
5633: if ( DP_Print ) {
5634: fprintf(asir_out,"elim1=%fsec,",eg_f4_1.exectime+eg_f4_1.gctime);
5635: fflush(asir_out);
5636: }
5637: /* free index arrays */
5638: for ( i = 0; i < nred; i++ ) GC_free(imat[i]->index.c);
5639:
5640: /* elimination (2nd step) */
5641: colstat = (int *)ALLOCA(spcol*sizeof(int));
5642: if ( m == -1 )
5643: rank = nd_gauss_elim_sf(spmat,spsugar,sprow,spcol,m,colstat);
5644: else
5645: rank = nd_gauss_elim_mod(spmat,spsugar,spactive,sprow,spcol,m,colstat);
5646: r0 = 0;
5647: for ( i = 0; i < rank; i++ ) {
5648: NEXTNODE(r0,r); BDY(r) =
5649: (pointer)vect_to_ndv(spmat[i],spcol,col,rhead,s0vect);
5650: SG((NDV)BDY(r)) = spsugar[i];
5651: GC_free(spmat[i]);
5652: }
5653: if ( r0 ) NEXT(r) = 0;
5654:
5655: for ( ; i < sprow; i++ ) GC_free(spmat[i]);
5656: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2);
5657: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
5658: if ( DP_Print ) {
5659: fprintf(asir_out,"elim2=%fsec\n",eg_f4_2.exectime+eg_f4_2.gctime);
5660: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
5661: nsp,nred,sprow,spcol,rank);
5662: fprintf(asir_out,"%fsec\n",eg_f4.exectime+eg_f4.gctime);
5663: }
5664: if ( nz ) {
5665: for ( i = 0; i < rank-1; i++ ) NEXT(spactive[i]) = spactive[i+1];
5666: if ( rank > 0 ) {
5667: NEXT(spactive[rank-1]) = 0;
5668: *nz = spactive[0];
5669: } else
5670: *nz = 0;
5671: }
5672: return r0;
1.74 noro 5673: }
5674:
1.133 noro 5675: #if 1
5676: NODE nd_f4_red_q_main(ND_pairs sp0,int nsp,int trace,UINT *s0vect,int col,
1.107 noro 5677: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred)
5678: {
1.157 noro 5679: int spcol,sprow,a;
5680: int i,j,k,l,rank;
5681: NODE r0,r;
5682: ND_pairs sp;
5683: ND spol;
5684: Q **spmat;
5685: Q *svect,*v;
5686: int *colstat;
5687: struct oEGT eg0,eg1,eg2,eg_f4,eg_f4_1,eg_f4_2;
5688: int maxrs;
5689: int *spsugar;
5690: pointer *w;
5691:
5692: spcol = col-nred;
5693: get_eg(&eg0);
5694: /* elimination (1st step) */
5695: spmat = (Q **)ALLOCA(nsp*sizeof(Q *));
5696: svect = (Q *)ALLOCA(col*sizeof(Q));
5697: spsugar = (int *)ALLOCA(nsp*sizeof(Q));
5698: for ( a = sprow = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
5699: nd_sp(0,trace,sp,&spol);
5700: if ( !spol ) continue;
5701: nd_to_vect_q(s0vect,col,spol,svect);
5702: maxrs = ndv_reduce_vect_q(svect,trace,col,imat,rvect,nred);
5703: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
5704: if ( i < col ) {
5705: spmat[sprow] = v = (Q *)MALLOC(spcol*sizeof(Q));
5706: for ( j = k = 0; j < col; j++ )
5707: if ( !rhead[j] ) v[k++] = svect[j];
5708: spsugar[sprow] = MAX(maxrs,SG(spol));
5709: sprow++;
5710: }
5711: /* nd_free(spol); */
5712: }
5713: get_eg(&eg1); init_eg(&eg_f4_1); add_eg(&eg_f4_1,&eg0,&eg1);
5714: if ( DP_Print ) {
5715: fprintf(asir_out,"elim1=%fsec,",eg_f4_1.exectime+eg_f4_1.gctime);
5716: fflush(asir_out);
5717: }
5718: /* free index arrays */
5719: /* for ( i = 0; i < nred; i++ ) GC_free(imat[i]->index.c); */
5720:
5721: /* elimination (2nd step) */
5722: colstat = (int *)ALLOCA(spcol*sizeof(int));
5723: rank = nd_gauss_elim_q(spmat,spsugar,sprow,spcol,colstat);
5724: w = (pointer *)ALLOCA(rank*sizeof(pointer));
5725: for ( i = 0; i < rank; i++ ) {
5726: w[rank-i-1] = (pointer)vect_to_ndv_q(spmat[i],spcol,col,rhead,s0vect);
5727: SG((NDV)w[rank-i-1]) = spsugar[i];
5728: /* GC_free(spmat[i]); */
5729: }
1.138 noro 5730: #if 0
1.157 noro 5731: qsort(w,rank,sizeof(NDV),
5732: (int (*)(const void *,const void *))ndv_compare);
1.137 noro 5733: #endif
1.157 noro 5734: r0 = 0;
5735: for ( i = 0; i < rank; i++ ) {
5736: NEXTNODE(r0,r); BDY(r) = w[i];
5737: }
5738: if ( r0 ) NEXT(r) = 0;
5739:
5740: /* for ( ; i < sprow; i++ ) GC_free(spmat[i]); */
5741: get_eg(&eg2); init_eg(&eg_f4_2); add_eg(&eg_f4_2,&eg1,&eg2);
5742: init_eg(&eg_f4); add_eg(&eg_f4,&eg0,&eg2);
5743: if ( DP_Print ) {
5744: fprintf(asir_out,"elim2=%fsec\n",eg_f4_2.exectime+eg_f4_2.gctime);
5745: fprintf(asir_out,"nsp=%d,nred=%d,spmat=(%d,%d),rank=%d ",
5746: nsp,nred,sprow,spcol,rank);
5747: fprintf(asir_out,"%fsec\n",eg_f4.exectime+eg_f4.gctime);
5748: }
5749: return r0;
1.107 noro 5750: }
1.129 noro 5751: #else
5752: void printm(Q **mat,int row,int col)
5753: {
1.157 noro 5754: int i,j;
5755: printf("[");
5756: for ( i = 0; i < row; i++ ) {
5757: for ( j = 0; j < col; j++ ) {
5758: printexpr(CO,mat[i][j]); printf(" ");
5759: }
5760: printf("]\n");
5761: }
1.129 noro 5762: }
5763:
5764: NODE nd_f4_red_q_main(ND_pairs sp0,int nsp,UINT *s0vect,int col,
5765: NM_ind_pair *rvect,int *rhead,IndArray *imat,int nred)
5766: {
1.157 noro 5767: int row,a;
5768: int i,j,rank;
5769: NODE r0,r;
5770: ND_pairs sp;
5771: ND spol;
5772: Q **mat;
5773: int *colstat;
5774: int *sugar;
5775:
5776: row = nsp+nred;
5777: /* make the matrix */
5778: mat = (Q **)ALLOCA(row*sizeof(Q *));
5779: sugar = (int *)ALLOCA(row*sizeof(int));
5780: for ( row = a = 0, sp = sp0; a < nsp; a++, sp = NEXT(sp) ) {
5781: nd_sp(0,0,sp,&spol);
5782: if ( !spol ) continue;
5783: mat[row] = (Q *)MALLOC(col*sizeof(Q));
5784: nd_to_vect_q(s0vect,col,spol,mat[row]);
5785: sugar[row] = SG(spol);
5786: row++;
5787: }
5788: for ( i = 0; i < nred; i++, row++ ) {
5789: mat[row] = nm_ind_pair_to_vect(0,s0vect,col,rvect[i]);
5790: sugar[row] = rvect[i]->sugar;
5791: }
5792: /* elimination */
5793: colstat = (int *)ALLOCA(col*sizeof(int));
5794: rank = nd_gauss_elim_q(mat,sugar,row,col,colstat);
5795: r0 = 0;
5796: for ( i = 0; i < rank; i++ ) {
5797: for ( j = 0; j < col; j++ ) if ( mat[i][j] ) break;
5798: if ( j == col ) error("nd_f4_red_q_main : cannot happen");
5799: if ( rhead[j] ) continue;
5800: NEXTNODE(r0,r); BDY(r) =
5801: (pointer)plain_vect_to_ndv_q(mat[i],col,s0vect);
5802: SG((NDV)BDY(r)) = sugar[i];
5803: }
5804: if ( r0 ) NEXT(r) = 0;
5805: printf("\n");
5806: return r0;
1.129 noro 5807: }
5808: #endif
1.107 noro 5809:
1.74 noro 5810: FILE *nd_write,*nd_read;
5811:
5812: void nd_send_int(int a) {
1.157 noro 5813: write_int(nd_write,&a);
1.74 noro 5814: }
5815:
5816: void nd_send_intarray(int *p,int len) {
1.157 noro 5817: write_intarray(nd_write,p,len);
1.74 noro 5818: }
5819:
5820: int nd_recv_int() {
1.157 noro 5821: int a;
1.74 noro 5822:
1.157 noro 5823: read_int(nd_read,&a);
5824: return a;
1.74 noro 5825: }
5826:
5827: void nd_recv_intarray(int *p,int len) {
1.157 noro 5828: read_intarray(nd_read,p,len);
1.74 noro 5829: }
5830:
5831: void nd_send_ndv(NDV p) {
1.157 noro 5832: int len,i;
5833: NMV m;
1.74 noro 5834:
1.157 noro 5835: if ( !p ) nd_send_int(0);
5836: else {
5837: len = LEN(p);
5838: nd_send_int(len);
5839: m = BDY(p);
5840: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
5841: nd_send_int(CM(m));
5842: nd_send_intarray(DL(m),nd_wpd);
5843: }
5844: }
1.74 noro 5845: }
5846:
5847: void nd_send_nd(ND p) {
1.157 noro 5848: int len,i;
5849: NM m;
1.74 noro 5850:
1.157 noro 5851: if ( !p ) nd_send_int(0);
5852: else {
5853: len = LEN(p);
5854: nd_send_int(len);
5855: m = BDY(p);
5856: for ( i = 0; i < len; i++, m = NEXT(m) ) {
5857: nd_send_int(CM(m));
5858: nd_send_intarray(DL(m),nd_wpd);
5859: }
5860: }
1.74 noro 5861: }
1.65 noro 5862:
1.74 noro 5863: NDV nd_recv_ndv()
5864: {
1.157 noro 5865: int len,i;
5866: NMV m,m0;
5867: NDV r;
5868:
5869: len = nd_recv_int();
5870: if ( !len ) return 0;
5871: else {
5872: m0 = m = (NMV)GC_malloc_atomic_ignore_off_page(nmv_adv*len);
1.103 noro 5873: #if 0
1.157 noro 5874: ndv_alloc += len*nmv_adv;
1.103 noro 5875: #endif
1.157 noro 5876: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
5877: CM(m) = nd_recv_int();
5878: nd_recv_intarray(DL(m),nd_wpd);
5879: }
5880: MKNDV(nd_nvar,m0,len,r);
5881: return r;
5882: }
1.74 noro 5883: }
1.65 noro 5884:
1.74 noro 5885: int ox_exec_f4_red(Q proc)
5886: {
1.157 noro 5887: Obj obj;
5888: STRING fname;
5889: NODE arg;
5890: int s;
5891: extern int ox_need_conv,ox_file_io;
5892:
5893: MKSTR(fname,"nd_exec_f4_red");
5894: arg = mknode(2,proc,fname);
5895: Pox_cmo_rpc(arg,&obj);
5896: s = get_ox_server_id(QTOS(proc));
5897: nd_write = iofp[s].out;
5898: nd_read = iofp[s].in;
5899: ox_need_conv = ox_file_io = 0;
5900: return s;
1.74 noro 5901: }
5902:
1.133 noro 5903: NODE nd_f4_red_dist(int m,ND_pairs sp0,UINT *s0vect,int col,NODE rp0,ND_pairs *nz)
1.74 noro 5904: {
1.157 noro 5905: int nsp,nred;
5906: int i,rank,s;
5907: NODE rp,r0,r;
5908: ND_pairs sp;
5909: NM_ind_pair pair;
5910: NMV nmv;
5911: NM nm;
5912: NDV nf;
5913: Obj proc,dmy;
5914:
5915: ox_launch_main(0,0,&proc);
5916: s = ox_exec_f4_red((Q)proc);
5917:
5918: nd_send_int(m);
5919: nd_send_int(nd_nvar);
5920: nd_send_int(nd_bpe);
5921: nd_send_int(nd_wpd);
5922: nd_send_int(nmv_adv);
5923:
5924: saveobj(nd_write,dp_current_spec->obj); fflush(nd_write);
5925:
5926: nd_send_int(nd_psn);
5927: for ( i = 0; i < nd_psn; i++ ) nd_send_ndv(nd_ps[i]);
5928:
5929: for ( sp = sp0, nsp = 0; sp; sp = NEXT(sp), nsp++ );
5930: nd_send_int(nsp);
5931: for ( i = 0, sp = sp0; i < nsp; i++, sp = NEXT(sp) ) {
5932: nd_send_int(sp->i1); nd_send_int(sp->i2);
5933: }
5934:
5935: nd_send_int(col); nd_send_intarray(s0vect,col*nd_wpd);
5936:
5937: nred = length(rp0); nd_send_int(nred);
5938: for ( i = 0, rp = rp0; i < nred; i++, rp = NEXT(rp) ) {
5939: pair = (NM_ind_pair)BDY(rp);
5940: nd_send_int(pair->index);
5941: nd_send_intarray(pair->mul->dl,nd_wpd);
5942: }
5943: fflush(nd_write);
5944: rank = nd_recv_int();
5945: fprintf(asir_out,"rank=%d\n",rank);
5946: r0 = 0;
5947: for ( i = 0; i < rank; i++ ) {
5948: nf = nd_recv_ndv();
5949: NEXTNODE(r0,r); BDY(r) = (pointer)nf;
5950: }
5951: Pox_shutdown(mknode(1,proc),&dmy);
5952: return r0;
1.74 noro 5953: }
5954:
5955: /* server side */
5956:
5957: void nd_exec_f4_red_dist()
5958: {
1.157 noro 5959: int m,i,nsp,col,s0size,nred,spcol,j,k;
5960: NM_ind_pair *rp0;
5961: NDV nf;
5962: UINT *s0vect;
5963: IndArray *imat;
5964: int *rhead;
5965: int **spmat;
5966: UINT *svect,*v;
5967: ND_pairs *sp0;
5968: int *colstat;
5969: int a,sprow,rank;
5970: struct order_spec *ord;
5971: Obj ordspec;
5972: ND spol;
5973: int maxrs;
5974: int *spsugar;
5975:
5976: nd_read = iofp[0].in;
5977: nd_write = iofp[0].out;
5978: m = nd_recv_int();
5979: nd_nvar = nd_recv_int();
5980: nd_bpe = nd_recv_int();
5981: nd_wpd = nd_recv_int();
5982: nmv_adv = nd_recv_int();
5983:
5984: loadobj(nd_read,&ordspec);
5985: create_order_spec(0,ordspec,&ord);
5986: nd_init_ord(ord);
5987: nd_setup_parameters(nd_nvar,0);
5988:
5989: nd_psn = nd_recv_int();
5990: nd_ps = (NDV *)MALLOC(nd_psn*sizeof(NDV));
5991: nd_bound = (UINT **)MALLOC(nd_psn*sizeof(UINT *));
5992: for ( i = 0; i < nd_psn; i++ ) {
5993: nd_ps[i] = nd_recv_ndv();
5994: nd_bound[i] = ndv_compute_bound(nd_ps[i]);
5995: }
5996:
5997: nsp = nd_recv_int();
5998: sp0 = (ND_pairs *)MALLOC(nsp*sizeof(ND_pairs));
5999: for ( i = 0; i < nsp; i++ ) {
6000: NEWND_pairs(sp0[i]);
6001: sp0[i]->i1 = nd_recv_int(); sp0[i]->i2 = nd_recv_int();
6002: ndl_lcm(HDL(nd_ps[sp0[i]->i1]),HDL(nd_ps[sp0[i]->i2]),LCM(sp0[i]));
6003: }
6004:
6005: col = nd_recv_int();
6006: s0size = col*nd_wpd;
6007: s0vect = (UINT *)MALLOC(s0size*sizeof(UINT));
6008: nd_recv_intarray(s0vect,s0size);
6009:
6010: nred = nd_recv_int();
6011: rp0 = (NM_ind_pair *)MALLOC(nred*sizeof(NM_ind_pair));
6012: for ( i = 0; i < nred; i++ ) {
6013: rp0[i] = (NM_ind_pair)MALLOC(sizeof(struct oNM_ind_pair));
6014: rp0[i]->index = nd_recv_int();
6015: rp0[i]->mul = (NM)MALLOC(sizeof(struct oNM)+(nd_wpd-1)*sizeof(UINT));
6016: nd_recv_intarray(rp0[i]->mul->dl,nd_wpd);
6017: }
6018:
6019: spcol = col-nred;
6020: imat = (IndArray *)MALLOC(nred*sizeof(IndArray));
6021: rhead = (int *)MALLOC(col*sizeof(int));
6022: for ( i = 0; i < col; i++ ) rhead[i] = 0;
6023:
6024: /* construction of index arrays */
6025: for ( i = 0; i < nred; i++ ) {
6026: imat[i] = nm_ind_pair_to_vect_compress(m,s0vect,col,rp0[i]);
6027: rhead[imat[i]->head] = 1;
6028: }
6029:
6030: /* elimination (1st step) */
6031: spmat = (int **)MALLOC(nsp*sizeof(UINT *));
6032: svect = (UINT *)MALLOC(col*sizeof(UINT));
6033: spsugar = (int *)ALLOCA(nsp*sizeof(UINT));
6034: for ( a = sprow = 0; a < nsp; a++ ) {
6035: nd_sp(m,0,sp0[a],&spol);
6036: if ( !spol ) continue;
6037: nd_to_vect(m,s0vect,col,spol,svect);
6038: if ( m == -1 )
6039: maxrs = ndv_reduce_vect_sf(m,svect,col,imat,rp0,nred);
6040: else
6041: maxrs = ndv_reduce_vect(m,svect,col,imat,rp0,nred);
6042: for ( i = 0; i < col; i++ ) if ( svect[i] ) break;
6043: if ( i < col ) {
6044: spmat[sprow] = v = (UINT *)MALLOC(spcol*sizeof(UINT));
6045: for ( j = k = 0; j < col; j++ )
6046: if ( !rhead[j] ) v[k++] = svect[j];
6047: spsugar[sprow] = MAX(maxrs,SG(spol));
6048: sprow++;
6049: }
6050: nd_free(spol);
6051: }
6052: /* elimination (2nd step) */
6053: colstat = (int *)ALLOCA(spcol*sizeof(int));
6054: if ( m == -1 )
6055: rank = nd_gauss_elim_sf(spmat,spsugar,sprow,spcol,m,colstat);
6056: else
6057: rank = nd_gauss_elim_mod(spmat,spsugar,0,sprow,spcol,m,colstat);
6058: nd_send_int(rank);
6059: for ( i = 0; i < rank; i++ ) {
6060: nf = vect_to_ndv(spmat[i],spcol,col,rhead,s0vect);
6061: nd_send_ndv(nf);
6062: }
6063: fflush(nd_write);
1.107 noro 6064: }
6065:
1.113 noro 6066: int nd_gauss_elim_q(Q **mat0,int *sugar,int row,int col,int *colstat)
1.107 noro 6067: {
1.157 noro 6068: int mod,i,j,t,c,rank,rank0,inv;
6069: int *ci,*ri;
6070: Q dn;
6071: MAT m,nm;
6072: int **wmat;
6073:
6074: /* XXX */
6075: mod = 99999989;
6076: wmat = (int **)ALLOCA(row*sizeof(int *));
6077: for ( i = 0; i < row; i++ ) {
6078: wmat[i] = (int *)ALLOCA(col*sizeof(int));
6079: for ( j = 0; j < col; j++ ) {
6080: if ( mat0[i][j] ) {
6081: t = rem(NM(mat0[i][j]),mod);
6082: if ( SGN(mat0[i][j]) < 0 ) t = mod-t;
6083: wmat[i][j] = t;
6084: } else
6085: wmat[i][j] = 0;
6086: }
6087: }
6088: rank0 = nd_gauss_elim_mod(wmat,sugar,0,row,col,mod,colstat);
6089: NEWMAT(m); m->row = row; m->col = col; m->body = (pointer **)mat0;
6090: rank = generic_gauss_elim(m,&nm,&dn,&ri,&ci);
6091: if ( rank != rank0 )
6092: error("afo");
6093: for ( i = 0; i < row; i++ )
6094: for ( j = 0; j < col; j++ )
6095: mat0[i][j] = 0;
6096: c = col-rank;
6097: for ( i = 0; i < rank; i++ ) {
6098: mat0[i][ri[i]] = dn;
6099: for ( j = 0; j < c; j++ )
6100: mat0[i][ci[j]] = (Q)BDY(nm)[i][j];
6101: }
6102: inv = invm(rem(NM(dn),mod),mod);
6103: if ( SGN(dn) < 0 ) inv = mod-inv;
6104: for ( i = 0; i < row; i++ )
6105: for ( j = 0; j < col; j++ ) {
6106: if ( mat0[i][j] ) {
6107: t = rem(NM(mat0[i][j]),mod);
6108: if ( SGN(mat0[i][j]) < 0 ) t = mod-t;
6109: } else
6110: t = 0;
6111: c = dmar(t,inv,0,mod);
6112: if ( wmat[i][j] != c )
6113: error("afo");
6114: }
6115: return rank;
1.76 noro 6116: }
6117:
1.133 noro 6118: int nd_gauss_elim_mod(int **mat0,int *sugar,ND_pairs *spactive,int row,int col,int md,int *colstat)
1.76 noro 6119: {
1.157 noro 6120: int i,j,k,l,inv,a,rank,s;
6121: unsigned int *t,*pivot,*pk;
6122: unsigned int **mat;
6123: ND_pairs pair;
6124:
6125: mat = (unsigned int **)mat0;
6126: for ( rank = 0, j = 0; j < col; j++ ) {
6127: for ( i = rank; i < row; i++ )
6128: mat[i][j] %= md;
6129: for ( i = rank; i < row; i++ )
6130: if ( mat[i][j] )
6131: break;
6132: if ( i == row ) {
6133: colstat[j] = 0;
6134: continue;
6135: } else
6136: colstat[j] = 1;
6137: if ( i != rank ) {
6138: t = mat[i]; mat[i] = mat[rank]; mat[rank] = t;
6139: s = sugar[i]; sugar[i] = sugar[rank]; sugar[rank] = s;
6140: if ( spactive ) {
6141: pair = spactive[i]; spactive[i] = spactive[rank];
6142: spactive[rank] = pair;
6143: }
6144: }
6145: pivot = mat[rank];
6146: s = sugar[rank];
6147: inv = invm(pivot[j],md);
6148: for ( k = j, pk = pivot+k; k < col; k++, pk++ )
6149: if ( *pk ) {
6150: if ( *pk >= (unsigned int)md )
6151: *pk %= md;
6152: DMAR(*pk,inv,0,md,*pk)
6153: }
6154: for ( i = rank+1; i < row; i++ ) {
6155: t = mat[i];
6156: if ( a = t[j] ) {
6157: sugar[i] = MAX(sugar[i],s);
6158: red_by_vect(md,t+j,pivot+j,md-a,col-j);
6159: }
6160: }
6161: rank++;
6162: }
6163: for ( j = col-1, l = rank-1; j >= 0; j-- )
6164: if ( colstat[j] ) {
6165: pivot = mat[l];
6166: s = sugar[l];
6167: for ( i = 0; i < l; i++ ) {
6168: t = mat[i];
6169: t[j] %= md;
6170: if ( a = t[j] ) {
6171: sugar[i] = MAX(sugar[i],s);
6172: red_by_vect(md,t+j,pivot+j,md-a,col-j);
6173: }
6174: }
6175: l--;
6176: }
6177: for ( j = 0, l = 0; l < rank; j++ )
6178: if ( colstat[j] ) {
6179: t = mat[l];
6180: for ( k = j; k < col; k++ )
6181: if ( t[k] >= (unsigned int)md )
6182: t[k] %= md;
6183: l++;
6184: }
6185: return rank;
1.76 noro 6186: }
6187:
6188: int nd_gauss_elim_sf(int **mat0,int *sugar,int row,int col,int md,int *colstat)
6189: {
1.157 noro 6190: int i,j,k,l,inv,a,rank,s;
6191: unsigned int *t,*pivot,*pk;
6192: unsigned int **mat;
6193:
6194: mat = (unsigned int **)mat0;
6195: for ( rank = 0, j = 0; j < col; j++ ) {
6196: for ( i = rank; i < row; i++ )
6197: if ( mat[i][j] )
6198: break;
6199: if ( i == row ) {
6200: colstat[j] = 0;
6201: continue;
6202: } else
6203: colstat[j] = 1;
6204: if ( i != rank ) {
6205: t = mat[i]; mat[i] = mat[rank]; mat[rank] = t;
6206: s = sugar[i]; sugar[i] = sugar[rank]; sugar[rank] = s;
6207: }
6208: pivot = mat[rank];
6209: s = sugar[rank];
6210: inv = _invsf(pivot[j]);
6211: for ( k = j, pk = pivot+k; k < col; k++, pk++ )
6212: if ( *pk )
6213: *pk = _mulsf(*pk,inv);
6214: for ( i = rank+1; i < row; i++ ) {
6215: t = mat[i];
6216: if ( a = t[j] ) {
6217: sugar[i] = MAX(sugar[i],s);
6218: red_by_vect_sf(md,t+j,pivot+j,_chsgnsf(a),col-j);
6219: }
6220: }
6221: rank++;
6222: }
6223: for ( j = col-1, l = rank-1; j >= 0; j-- )
6224: if ( colstat[j] ) {
6225: pivot = mat[l];
6226: s = sugar[l];
6227: for ( i = 0; i < l; i++ ) {
6228: t = mat[i];
6229: if ( a = t[j] ) {
6230: sugar[i] = MAX(sugar[i],s);
6231: red_by_vect_sf(md,t+j,pivot+j,_chsgnsf(a),col-j);
6232: }
6233: }
6234: l--;
6235: }
6236: return rank;
1.77 noro 6237: }
6238:
6239: int ndv_ishomo(NDV p)
6240: {
1.157 noro 6241: NMV m;
6242: int len,h;
1.77 noro 6243:
1.157 noro 6244: if ( !p ) return 1;
6245: len = LEN(p);
6246: m = BDY(p);
6247: h = TD(DL(m));
6248: NMV_ADV(m);
6249: for ( len--; len; len--, NMV_ADV(m) )
6250: if ( TD(DL(m)) != h ) return 0;
6251: return 1;
1.77 noro 6252: }
6253:
6254: void ndv_save(NDV p,int index)
6255: {
1.157 noro 6256: FILE *s;
6257: char name[BUFSIZ];
6258: short id;
6259: int nv,sugar,len,n,i,td,e,j;
6260: NMV m;
6261: unsigned int *dl;
6262: int mpos;
6263:
6264: sprintf(name,"%s/%d",Demand,index);
6265: s = fopen(name,"w");
6266: savevl(s,0);
6267: if ( !p ) {
6268: saveobj(s,0);
6269: return;
6270: }
6271: id = O_DP;
6272: nv = NV(p);
6273: sugar = SG(p);
6274: len = LEN(p);
6275: write_short(s,&id); write_int(s,&nv); write_int(s,&sugar);
6276: write_int(s,&len);
6277:
6278: for ( m = BDY(p), i = 0; i < len; i++, NMV_ADV(m) ) {
6279: saveobj(s,(Obj)CQ(m));
6280: dl = DL(m);
6281: td = TD(dl);
6282: write_int(s,&td);
6283: for ( j = 0; j < nv; j++ ) {
6284: e = GET_EXP(dl,j);
6285: write_int(s,&e);
6286: }
6287: if ( nd_module ) {
6288: mpos = MPOS(dl); write_int(s,&mpos);
6289: }
6290: }
6291: fclose(s);
1.77 noro 6292: }
6293:
6294: NDV ndv_load(int index)
6295: {
1.157 noro 6296: FILE *s;
6297: char name[BUFSIZ];
6298: short id;
6299: int nv,sugar,len,n,i,td,e,j;
6300: NDV d;
6301: NMV m0,m;
6302: unsigned int *dl;
6303: Obj obj;
6304: int mpos;
6305:
6306: sprintf(name,"%s/%d",Demand,index);
6307: s = fopen(name,"r");
6308: if ( !s ) return 0;
6309:
6310: skipvl(s);
6311: read_short(s,&id);
6312: if ( !id ) return 0;
6313: read_int(s,&nv);
6314: read_int(s,&sugar);
6315: read_int(s,&len);
6316:
6317: m0 = m = MALLOC(len*nmv_adv);
6318: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6319: loadobj(s,&obj); CQ(m) = (Q)obj;
6320: dl = DL(m);
6321: ndl_zero(dl);
6322: read_int(s,&td); TD(dl) = td;
6323: for ( j = 0; j < nv; j++ ) {
6324: read_int(s,&e);
6325: PUT_EXP(dl,j,e);
6326: }
6327: if ( nd_module ) {
6328: read_int(s,&mpos); MPOS(dl) = mpos;
6329: }
6330: if ( nd_blockmask ) ndl_weight_mask(dl);
6331: }
6332: fclose(s);
6333: MKNDV(nv,m0,len,d);
6334: SG(d) = sugar;
6335: return d;
1.99 noro 6336: }
6337:
1.102 noro 6338: void nd_det(int mod,MAT f,P *rp)
1.99 noro 6339: {
1.157 noro 6340: VL fv,tv;
6341: int n,i,j,max,e,nvar,sgn,k0,l0,len0,len,k,l,a;
6342: pointer **m;
6343: Q mone;
6344: P **w;
6345: P mp,r;
6346: NDV **dm;
6347: NDV *t,*mi,*mj;
6348: NDV d,s,mij,mjj;
6349: ND u;
6350: NMV nmv;
6351: UINT *bound;
6352: PGeoBucket bucket;
6353: struct order_spec *ord;
6354: Q dq,dt,ds;
6355: N gn,qn,dn0,nm,dn;
6356:
6357: create_order_spec(0,0,&ord);
6358: nd_init_ord(ord);
6359: get_vars((Obj)f,&fv);
6360: if ( f->row != f->col )
6361: error("nd_det : non-square matrix");
6362: n = f->row;
6363: m = f->body;
6364: for ( nvar = 0, tv = fv; tv; tv = NEXT(tv), nvar++ );
6365:
6366: if ( !nvar ) {
6367: if ( !mod )
6368: detp(CO,(P **)m,n,rp);
6369: else {
6370: w = (P **)almat_pointer(n,n);
6371: for ( i = 0; i < n; i++ )
6372: for ( j = 0; j < n; j++ )
6373: ptomp(mod,(P)m[i][j],&w[i][j]);
6374: detmp(CO,mod,w,n,&mp);
6375: mptop(mp,rp);
6376: }
6377: return;
6378: }
6379:
6380: if ( !mod ) {
6381: w = (P **)almat_pointer(n,n);
6382: dq = ONE;
6383: for ( i = 0; i < n; i++ ) {
6384: dn0 = ONEN;
6385: for ( j = 0; j < n; j++ ) {
6386: if ( !m[i][j] ) continue;
6387: lgp(m[i][j],&nm,&dn);
6388: gcdn(dn0,dn,&gn); divsn(dn0,gn,&qn); muln(qn,dn,&dn0);
6389: }
6390: if ( !UNIN(dn0) ) {
6391: NTOQ(dn0,1,ds);
6392: for ( j = 0; j < n; j++ )
6393: mulp(CO,(P)m[i][j],(P)ds,&w[i][j]);
6394: mulq(dq,ds,&dt); dq = dt;
6395: } else
6396: for ( j = 0; j < n; j++ )
6397: w[i][j] = (P)m[i][j];
6398: }
6399: m = (pointer **)w;
6400: }
6401:
6402: for ( i = 0, max = 0; i < n; i++ )
6403: for ( j = 0; j < n; j++ )
6404: for ( tv = fv; tv; tv = NEXT(tv) ) {
6405: e = getdeg(tv->v,(P)m[i][j]);
6406: max = MAX(e,max);
6407: }
6408: nd_setup_parameters(nvar,max);
6409: dm = (NDV **)almat_pointer(n,n);
6410: for ( i = 0, max = 0; i < n; i++ )
6411: for ( j = 0; j < n; j++ ) {
6412: dm[i][j] = ptondv(CO,fv,m[i][j]);
6413: if ( mod ) ndv_mod(mod,dm[i][j]);
6414: if ( dm[i][j] && !LEN(dm[i][j]) ) dm[i][j] = 0;
6415: }
6416: d = ptondv(CO,fv,(P)ONE);
6417: if ( mod ) ndv_mod(mod,d);
6418: chsgnq(ONE,&mone);
6419: for ( j = 0, sgn = 1; j < n; j++ ) {
6420: if ( DP_Print ) fprintf(stderr,".",j);
6421: for ( i = j; i < n && !dm[i][j]; i++ );
6422: if ( i == n ) {
6423: *rp = 0;
6424: return;
6425: }
6426: k0 = i; l0 = j; len0 = LEN(dm[k0][l0]);
6427: for ( k = j; k < n; k++ )
6428: for ( l = j; l < n; l++ )
6429: if ( dm[k][l] && LEN(dm[k][l]) < len0 ) {
6430: k0 = k; l0 = l; len0 = LEN(dm[k][l]);
6431: }
6432: if ( k0 != j ) {
6433: t = dm[j]; dm[j] = dm[k0]; dm[k0] = t;
6434: sgn = -sgn;
6435: }
6436: if ( l0 != j ) {
6437: for ( k = j; k < n; k++ ) {
6438: s = dm[k][j]; dm[k][j] = dm[k][l0]; dm[k][l0] = s;
6439: }
6440: sgn = -sgn;
6441: }
6442: bound = nd_det_compute_bound(dm,n,j);
6443: for ( k = 0; k < nd_nvar; k++ )
6444: if ( bound[k]*2 > nd_mask0 ) break;
6445: if ( k < nd_nvar )
6446: nd_det_reconstruct(dm,n,j,d);
6447:
6448: for ( i = j+1, mj = dm[j], mjj = mj[j]; i < n; i++ ) {
6449: /* if ( DP_Print ) fprintf(stderr," i=%d\n ",i); */
6450: mi = dm[i]; mij = mi[j];
6451: if ( mod )
6452: ndv_mul_c(mod,mij,mod-1);
6453: else
6454: ndv_mul_c_q(mij,mone);
6455: for ( k = j+1; k < n; k++ ) {
6456: /* if ( DP_Print ) fprintf(stderr,"k=%d ",k); */
6457: bucket = create_pbucket();
6458: if ( mi[k] ) {
6459: nmv = BDY(mjj); len = LEN(mjj);
6460: for ( a = 0; a < len; a++, NMV_ADV(nmv) ) {
6461: u = ndv_mul_nmv_trunc(mod,nmv,mi[k],DL(BDY(d)));
6462: add_pbucket(mod,bucket,u);
6463: }
6464: }
6465: if ( mj[k] && mij ) {
6466: nmv = BDY(mij); len = LEN(mij);
6467: for ( a = 0; a < len; a++, NMV_ADV(nmv) ) {
6468: u = ndv_mul_nmv_trunc(mod,nmv,mj[k],DL(BDY(d)));
6469: add_pbucket(mod,bucket,u);
6470: }
6471: }
6472: u = nd_quo(mod,bucket,d);
6473: mi[k] = ndtondv(mod,u);
6474: }
6475: /* if ( DP_Print ) fprintf(stderr,"\n",k); */
6476: }
6477: d = mjj;
6478: }
6479: if ( DP_Print ) fprintf(stderr,"\n",k);
6480: if ( sgn < 0 )
6481: if ( mod )
6482: ndv_mul_c(mod,d,mod-1);
6483: else
6484: ndv_mul_c_q(d,mone);
6485: r = ndvtop(mod,CO,fv,d);
6486: if ( !mod && !UNIQ(dq) )
6487: divsp(CO,r,(P)dq,rp);
6488: else
6489: *rp = r;
1.99 noro 6490: }
6491:
1.102 noro 6492: ND ndv_mul_nmv_trunc(int mod,NMV m0,NDV p,UINT *d)
1.99 noro 6493: {
1.157 noro 6494: NM mr,mr0;
6495: NM tnm;
6496: NMV m;
6497: UINT *d0,*dt,*dm;
6498: int c,n,td,i,c1,c2,len;
6499: Q q;
6500: ND r;
6501:
6502: if ( !p ) return 0;
6503: else {
6504: n = NV(p); m = BDY(p); len = LEN(p);
6505: d0 = DL(m0);
6506: td = TD(d);
6507: mr0 = 0;
6508: NEWNM(tnm);
6509: if ( mod ) {
6510: c = CM(m0);
6511: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6512: ndl_add(DL(m),d0,DL(tnm));
6513: if ( ndl_reducible(DL(tnm),d) ) {
6514: NEXTNM(mr0,mr);
6515: c1 = CM(m); DMAR(c1,c,0,mod,c2); CM(mr) = c2;
6516: ndl_copy(DL(tnm),DL(mr));
6517: }
6518: }
6519: } else {
6520: q = CQ(m0);
6521: for ( i = 0; i < len; i++, NMV_ADV(m) ) {
6522: ndl_add(DL(m),d0,DL(tnm));
6523: if ( ndl_reducible(DL(tnm),d) ) {
6524: NEXTNM(mr0,mr);
6525: mulq(CQ(m),q,&CQ(mr));
6526: ndl_copy(DL(tnm),DL(mr));
6527: }
6528: }
6529: }
6530: if ( !mr0 )
6531: return 0;
6532: else {
6533: NEXT(mr) = 0;
6534: for ( len = 0, mr = mr0; mr; mr = NEXT(mr), len++ );
6535: MKND(NV(p),mr0,len,r);
6536: SG(r) = SG(p) + TD(d0);
6537: return r;
6538: }
6539: }
1.114 noro 6540: }
6541:
6542: void nd_det_reconstruct(NDV **dm,int n,int j,NDV d)
6543: {
1.157 noro 6544: int i,obpe,oadv,h,k,l;
6545: static NM prev_nm_free_list;
6546: EPOS oepos;
6547:
6548: obpe = nd_bpe;
6549: oadv = nmv_adv;
6550: oepos = nd_epos;
6551: if ( obpe < 2 ) nd_bpe = 2;
6552: else if ( obpe < 3 ) nd_bpe = 3;
6553: else if ( obpe < 4 ) nd_bpe = 4;
6554: else if ( obpe < 5 ) nd_bpe = 5;
6555: else if ( obpe < 6 ) nd_bpe = 6;
6556: else if ( obpe < 8 ) nd_bpe = 8;
6557: else if ( obpe < 10 ) nd_bpe = 10;
6558: else if ( obpe < 16 ) nd_bpe = 16;
6559: else if ( obpe < 32 ) nd_bpe = 32;
6560: else error("nd_det_reconstruct : exponent too large");
6561:
6562: nd_setup_parameters(nd_nvar,0);
6563: prev_nm_free_list = _nm_free_list;
6564: _nm_free_list = 0;
6565: for ( k = j; k < n; k++ )
6566: for (l = j; l < n; l++ )
6567: ndv_realloc(dm[k][l],obpe,oadv,oepos);
6568: ndv_realloc(d,obpe,oadv,oepos);
6569: prev_nm_free_list = 0;
1.114 noro 6570: #if 0
1.157 noro 6571: GC_gcollect();
1.114 noro 6572: #endif
6573: }
6574:
1.153 noro 6575: /* returns a UINT array containing degree bounds */
6576:
1.114 noro 6577: UINT *nd_det_compute_bound(NDV **dm,int n,int j)
6578: {
1.157 noro 6579: UINT *d0,*d1,*d,*t,*r;
6580: int k,l,i;
1.114 noro 6581:
1.157 noro 6582: d0 = (UINT *)MALLOC(nd_nvar*sizeof(UINT));
6583: for ( k = 0; k < nd_nvar; k++ ) d0[k] = 0;
6584: for ( k = j; k < n; k++ )
6585: for ( l = j; l < n; l++ )
6586: if ( dm[k][l] ) {
6587: d = ndv_compute_bound(dm[k][l]);
6588: for ( i = 0; i < nd_nvar; i++ )
6589: d0[i] = MAX(d0[i],d[i]);
6590: }
6591: return d0;
1.117 noro 6592: }
6593:
6594: DL nd_separate_d(UINT *d,UINT *trans)
6595: {
1.157 noro 6596: int n,td,i,e,j;
6597: DL a;
1.117 noro 6598:
1.157 noro 6599: ndl_zero(trans);
6600: td = 0;
6601: for ( i = 0; i < nd_ntrans; i++ ) {
6602: e = GET_EXP(d,i);
6603: PUT_EXP(trans,i,e);
6604: td += MUL_WEIGHT(e,i);
6605: }
6606: if ( nd_ntrans+nd_nalg < nd_nvar ) {
6607: /* homogenized */
6608: i = nd_nvar-1;
6609: e = GET_EXP(d,i);
6610: PUT_EXP(trans,i,e);
6611: td += MUL_WEIGHT(e,i);
6612: }
6613: TD(trans) = td;
6614: if ( nd_blockmask) ndl_weight_mask(trans);
6615: NEWDL(a,nd_nalg);
6616: td = 0;
6617: for ( i = 0; i < nd_nalg; i++ ) {
6618: j = nd_ntrans+i;
6619: e = GET_EXP(d,j);
6620: a->d[i] = e;
6621: td += e;
6622: }
6623: a->td = td;
6624: return a;
1.117 noro 6625: }
6626:
1.118 noro 6627: int nd_monic(int mod,ND *p)
1.117 noro 6628: {
1.157 noro 6629: UINT *trans,*t;
6630: DL alg;
6631: MP mp0,mp;
6632: NM m,m0,m1,ma0,ma,mb,mr0,mr;
6633: ND r;
6634: DL dl;
6635: DP nm;
6636: NDV ndv;
6637: DAlg inv,cd;
6638: ND s,c;
6639: Q l,mul;
6640: N ln;
6641: int n,ntrans,i,e,td,is_lc,len;
6642: NumberField nf;
6643: struct oEGT eg0,eg1;
6644:
6645: if ( !(nf = get_numberfield()) )
6646: error("nd_monic : current_numberfield is not set");
6647:
6648: /* Q coef -> DAlg coef */
6649: NEWNM(ma0); ma = ma0;
6650: m = BDY(*p);
6651: is_lc = 1;
6652: while ( 1 ) {
6653: NEWMP(mp0); mp = mp0;
6654: mp->c = (P)CQ(m);
6655: mp->dl = nd_separate_d(DL(m),DL(ma));
6656: NEWNM(mb);
6657: for ( m = NEXT(m); m; m = NEXT(m) ) {
6658: alg = nd_separate_d(DL(m),DL(mb));
6659: if ( !ndl_equal(DL(ma),DL(mb)) )
6660: break;
6661: NEXTMP(mp0,mp); mp->c = (P)CQ(m); mp->dl = alg;
6662: }
6663: NEXT(mp) = 0;
6664: MKDP(nd_nalg,mp0,nm);
6665: MKDAlg(nm,ONE,cd);
6666: if ( is_lc == 1 ) {
6667: /* if the lc is a rational number, we have nothing to do */
6668: if ( !mp0->dl->td )
6669: return 1;
6670:
6671: get_eg(&eg0);
6672: invdalg(cd,&inv);
6673: get_eg(&eg1); add_eg(&eg_invdalg,&eg0,&eg1);
6674: /* check the validity of inv */
6675: if ( mod && !rem(NM(inv->dn),mod) )
6676: return 0;
6677: CA(ma) = nf->one;
6678: is_lc = 0;
6679: ln = ONEN;
6680: } else {
6681: muldalg(cd,inv,&CA(ma));
6682: lcmn(ln,NM(CA(ma)->dn),&ln);
6683: }
6684: if ( m ) {
6685: NEXT(ma) = mb; ma = mb;
6686: } else {
6687: NEXT(ma) = 0;
6688: break;
6689: }
6690: }
6691: /* l = lcm(denoms) */
6692: NTOQ(ln,1,l);
6693: for ( mr0 = 0, m = ma0; m; m = NEXT(m) ) {
6694: divq(l,CA(m)->dn,&mul);
6695: for ( mp = BDY(CA(m)->nm); mp; mp = NEXT(mp) ) {
6696: NEXTNM(mr0,mr);
6697: mulq((Q)mp->c,mul,&CQ(mr));
6698: dl = mp->dl;
6699: td = TD(DL(m));
6700: ndl_copy(DL(m),DL(mr));
6701: for ( i = 0; i < nd_nalg; i++ ) {
6702: e = dl->d[i];
6703: PUT_EXP(DL(mr),i+nd_ntrans,e);
6704: td += MUL_WEIGHT(e,i+nd_ntrans);
6705: }
1.163 noro 6706: if ( nd_module ) MPOS(DL(mr)) = MPOS(DL(m));
1.157 noro 6707: TD(DL(mr)) = td;
6708: if ( nd_blockmask) ndl_weight_mask(DL(mr));
6709: }
6710: }
6711: NEXT(mr) = 0;
6712: for ( len = 0, mr = mr0; mr; mr = NEXT(mr), len++ );
6713: MKND(NV(*p),mr0,len,r);
6714: /* XXX */
6715: SG(r) = SG(*p);
6716: nd_free(*p);
6717: *p = r;
6718: return 1;
1.59 noro 6719: }
1.167 noro 6720:
6721: NODE reverse_node(NODE n)
6722: {
6723: NODE t,t1;
6724:
6725: for ( t = 0; n; n = NEXT(n) ) {
6726: MKNODE(t1,BDY(n),t); t = t1;
6727: }
6728: return t;
6729: }
6730:
6731: P ndc_div(int mod,union oNDC a,union oNDC b)
6732: {
6733: union oNDC c;
6734: int inv,t;
6735:
6736: if ( mod == -1 ) c.m = _mulsf(a.m,_invsf(b.m));
6737: else if ( mod ) {
6738: inv = invm(b.m,mod);
6739: DMAR(a.m,inv,0,mod,t); c.m = t;
6740: } else if ( nd_vc )
6741: divsp(nd_vc,a.p,b.p,&c.p);
6742: else
6743: divq(a.z,b.z,&c.z);
6744: return ndctop(mod,c);
6745: }
6746:
6747: P ndctop(int mod,union oNDC c)
6748: {
6749: Q q;
6750: int e;
6751: GFS gfs;
6752:
6753: if ( mod == -1 ) {
6754: e = IFTOF(c.m); MKGFS(e,gfs); return (P)gfs;
6755: } else if ( mod ) {
6756: STOQ(c.m,q); return (P)q;
6757: } else
6758: return (P)c.p;
6759: }
6760:
6761: /* [0,0,0,cont] = p -> p/cont */
6762:
6763: void finalize_tracelist(int i,P cont)
6764: {
6765: LIST l;
6766: NODE node;
6767: Q iq;
6768:
6769: if ( !UNIQ(cont) ) {
6770: node = mknode(4,0,0,0,cont);
6771: MKLIST(l,node); MKNODE(node,l,nd_tracelist);
6772: nd_tracelist = node;
6773: }
6774: STOQ(i,iq);
6775: nd_tracelist = reverse_node(nd_tracelist);
6776: MKLIST(l,nd_tracelist);
6777: node = mknode(2,iq,l); MKLIST(l,node);
6778: MKNODE(node,l,nd_alltracelist); MKLIST(l,node);
6779: nd_alltracelist = node; nd_tracelist = 0;
6780: }
6781:
6782: void conv_ilist(int demand,int trace,NODE g,int **indp)
6783: {
6784: int n,i,j;
6785: int *ind;
6786: NODE t;
6787:
6788: n = length(g);
6789: ind = (int *)MALLOC(n*sizeof(int));
6790: for ( i = 0, t = g; i < n; i++, t = NEXT(t) ) {
6791: j = (long)BDY(t); ind[i] = j;
6792: BDY(t) = (pointer)(demand?ndv_load(j):(trace?nd_ps_trace[j]:nd_ps[j]));
6793: }
6794: if ( indp ) *indp = ind;
6795: }
1.172 ! noro 6796:
! 6797: void parse_nd_option(NODE opt)
! 6798: {
! 6799: NODE t,p;
! 6800: char *key;
! 6801: Obj value;
! 6802:
! 6803: nd_gentrace = 0; nd_gensyz = 0;
! 6804: for ( t = opt; t; t = NEXT(t) ) {
! 6805: p = BDY((LIST)BDY(t));
! 6806: key = BDY((STRING)BDY(p));
! 6807: value = (Obj)BDY(NEXT(p));
! 6808: if ( !strcmp(key,"gentrace") )
! 6809: nd_gentrace = value?1:0;
! 6810: else if ( !strcmp(key,"gensyz") )
! 6811: nd_gensyz = value?1:0;
! 6812: }
! 6813: }
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