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Annotation of OpenXM_contrib2/asir2000/builtin/dp.c, Revision 1.108

1.5       noro        1: /*
                      2:  * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
                      3:  * All rights reserved.
                      4:  *
                      5:  * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
                      6:  * non-exclusive and royalty-free license to use, copy, modify and
                      7:  * redistribute, solely for non-commercial and non-profit purposes, the
                      8:  * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
1.106     noro        9:  * conditions of this Agreement. For the avoidance of doubt, you acquire
                     10:  * only a limited right to use the SOFTWARE hereunder, and FLL or any
1.5       noro       11:  * third party developer retains all rights, including but not limited to
                     12:  * copyrights, in and to the SOFTWARE.
                     13:  *
                     14:  * (1) FLL does not grant you a license in any way for commercial
                     15:  * purposes. You may use the SOFTWARE only for non-commercial and
                     16:  * non-profit purposes only, such as academic, research and internal
                     17:  * business use.
                     18:  * (2) The SOFTWARE is protected by the Copyright Law of Japan and
                     19:  * international copyright treaties. If you make copies of the SOFTWARE,
                     20:  * with or without modification, as permitted hereunder, you shall affix
                     21:  * to all such copies of the SOFTWARE the above copyright notice.
                     22:  * (3) An explicit reference to this SOFTWARE and its copyright owner
                     23:  * shall be made on your publication or presentation in any form of the
                     24:  * results obtained by use of the SOFTWARE.
                     25:  * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.6       noro       26:  * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.5       noro       27:  * for such modification or the source code of the modified part of the
                     28:  * SOFTWARE.
                     29:  *
                     30:  * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
                     31:  * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
                     32:  * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
                     33:  * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
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                     35:  * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
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                     38:  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
                     39:  * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
                     40:  * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
                     41:  * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
                     42:  * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
                     43:  * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
                     44:  * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
                     45:  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
                     46:  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
                     47:  *
1.108   ! noro       48:  * $OpenXM: OpenXM_contrib2/asir2000/builtin/dp.c,v 1.107 2017/09/14 01:34:53 noro Exp $
1.5       noro       49: */
1.1       noro       50: #include "ca.h"
                     51: #include "base.h"
                     52: #include "parse.h"
                     53:
1.61      noro       54: extern int dp_fcoeffs;
1.8       noro       55: extern int dp_nelim;
                     56: extern int dp_order_pair_length;
                     57: extern struct order_pair *dp_order_pair;
1.46      noro       58: extern struct order_spec *dp_current_spec;
1.52      noro       59: extern struct modorder_spec *dp_current_modspec;
1.94      noro       60: extern int nd_rref2;
1.8       noro       61:
1.11      noro       62: int do_weyl;
1.1       noro       63:
1.44      noro       64: void Pdp_sort();
1.32      noro       65: void Pdp_mul_trunc(),Pdp_quo();
1.64      noro       66: void Pdp_ord(), Pdp_ptod(), Pdp_dtop(), Phomogenize();
1.1       noro       67: void Pdp_ptozp(), Pdp_ptozp2(), Pdp_red(), Pdp_red2(), Pdp_lcm(), Pdp_redble();
                     68: void Pdp_sp(), Pdp_hm(), Pdp_ht(), Pdp_hc(), Pdp_rest(), Pdp_td(), Pdp_sugar();
1.30      ohara      69: void Pdp_set_sugar();
1.1       noro       70: void Pdp_cri1(),Pdp_cri2(),Pdp_subd(),Pdp_mod(),Pdp_red_mod(),Pdp_tdiv();
                     71: void Pdp_prim(),Pdp_red_coef(),Pdp_mag(),Pdp_set_kara(),Pdp_rat();
1.70      noro       72: void Pdp_nf(),Pdp_true_nf(),Pdp_true_nf_marked(),Pdp_true_nf_marked_mod();
1.98      noro       73:
                     74: void Pdp_true_nf_and_quotient(),Pdp_true_nf_and_quotient_mod();
1.79      noro       75: void Pdp_true_nf_and_quotient_marked(),Pdp_true_nf_and_quotient_marked_mod();
1.98      noro       76:
1.1       noro       77: void Pdp_nf_mod(),Pdp_true_nf_mod();
                     78: void Pdp_criB(),Pdp_nelim();
1.9       noro       79: void Pdp_minp(),Pdp_sp_mod();
1.1       noro       80: void Pdp_homo(),Pdp_dehomo();
1.16      noro       81: void Pdp_gr_mod_main(),Pdp_gr_f_main();
1.1       noro       82: void Pdp_gr_main(),Pdp_gr_hm_main(),Pdp_gr_d_main(),Pdp_gr_flags();
1.63      noro       83: void Pdp_interreduce();
1.16      noro       84: void Pdp_f4_main(),Pdp_f4_mod_main(),Pdp_f4_f_main();
1.1       noro       85: void Pdp_gr_print();
1.28      noro       86: void Pdp_mbase(),Pdp_lnf_mod(),Pdp_nf_tab_mod(),Pdp_mdtod(), Pdp_nf_tab_f();
1.8       noro       87: void Pdp_vtoe(), Pdp_etov(), Pdp_dtov(), Pdp_idiv(), Pdp_sep();
                     88: void Pdp_cont();
1.22      noro       89: void Pdp_gr_checklist();
1.52      noro       90: void Pdp_ltod(),Pdpv_ord(),Pdpv_ht(),Pdpv_hm(),Pdpv_hc();
1.105     noro       91: void Pdpm_ltod(),Pdpm_dtol(),Pdpm_ord(),Pdpm_nf(),Pdpm_weyl_nf(),Pdpm_sp(),Pdpm_weyl_sp();
                     92: void Pdpm_hm(),Pdpm_ht(),Pdpm_hc();
1.1       noro       93:
1.13      noro       94: void Pdp_weyl_red();
                     95: void Pdp_weyl_sp();
1.98      noro       96:
1.13      noro       97: void Pdp_weyl_nf(),Pdp_weyl_nf_mod();
1.98      noro       98: void Pdp_weyl_true_nf_and_quotient(),Pdp_weyl_true_nf_and_quotient_mod();
                     99: void Pdp_weyl_true_nf_and_quotient_marked(),Pdp_weyl_true_nf_and_quotient_marked_mod();
                    100:
1.16      noro      101: void Pdp_weyl_gr_main(),Pdp_weyl_gr_mod_main(),Pdp_weyl_gr_f_main();
                    102: void Pdp_weyl_f4_main(),Pdp_weyl_f4_mod_main(),Pdp_weyl_f4_f_main();
1.96      noro      103: void Pdp_weyl_mul(),Pdp_weyl_mul_mod(),Pdp_weyl_act();
1.15      noro      104: void Pdp_weyl_set_weight();
1.77      noro      105: void Pdp_set_weight(),Pdp_set_top_weight(),Pdp_set_module_weight();
1.16      noro      106: void Pdp_nf_f(),Pdp_weyl_nf_f();
1.105     noro      107: void Pdpm_nf_f(),Pdpm_weyl_nf_f();
1.16      noro      108: void Pdp_lnf_f();
1.62      noro      109: void Pnd_gr(),Pnd_gr_trace(),Pnd_f4(),Pnd_f4_trace();
1.75      noro      110: void Pnd_gr_postproc(), Pnd_weyl_gr_postproc();
1.89      noro      111: void Pnd_gr_recompute_trace(), Pnd_btog();
1.38      noro      112: void Pnd_weyl_gr(),Pnd_weyl_gr_trace();
1.83      noro      113: void Pnd_nf(),Pnd_weyl_nf();
1.49      noro      114: void Pdp_initial_term();
                    115: void Pdp_order();
1.66      noro      116: void Pdp_inv_or_split();
1.74      noro      117: void Pdp_compute_last_t();
1.68      noro      118: void Pdp_compute_last_w();
1.70      noro      119: void Pdp_compute_essential_df();
1.72      noro      120: void Pdp_get_denomlist();
1.80      noro      121: void Pdp_symb_add();
1.82      noro      122: void Pdp_mono_raddec();
1.84      noro      123: void Pdp_mono_reduce();
1.95      noro      124: void Pdp_rref2(),Psumi_updatepairs(),Psumi_symbolic();
1.49      noro      125:
                    126: LIST dp_initial_term();
                    127: LIST dp_order();
                    128: void parse_gr_option(LIST f,NODE opt,LIST *v,Num *homo,
1.108   ! noro      129:   int *modular,struct order_spec **ord);
1.88      ohara     130: NODE dp_inv_or_split(NODE gb,DP f,struct order_spec *spec, DP *inv);
1.11      noro      131:
1.25      noro      132: LIST remove_zero_from_list(LIST);
                    133:
1.1       noro      134: struct ftab dp_tab[] = {
1.108   ! noro      135:   /* content reduction */
        !           136:   {"dp_ptozp",Pdp_ptozp,1},
        !           137:   {"dp_ptozp2",Pdp_ptozp2,2},
        !           138:   {"dp_prim",Pdp_prim,1},
        !           139:   {"dp_red_coef",Pdp_red_coef,2},
        !           140:   {"dp_cont",Pdp_cont,1},
1.8       noro      141:
1.11      noro      142: /* polynomial ring */
1.108   ! noro      143:   /* special operations */
        !           144:   {"dp_mul_trunc",Pdp_mul_trunc,3},
        !           145:   {"dp_quo",Pdp_quo,2},
        !           146:
        !           147:   /* s-poly */
        !           148:   {"dp_sp",Pdp_sp,2},
        !           149:   {"dp_sp_mod",Pdp_sp_mod,3},
        !           150:
        !           151:   /* m-reduction */
        !           152:   {"dp_red",Pdp_red,3},
        !           153:   {"dp_red_mod",Pdp_red_mod,4},
        !           154:
        !           155:   /* normal form */
        !           156:   {"dp_nf",Pdp_nf,4},
        !           157:   {"dp_nf_mod",Pdp_nf_mod,5},
        !           158:   {"dp_nf_f",Pdp_nf_f,4},
        !           159:   {"dpm_nf_f",Pdpm_nf_f,4},
        !           160:   {"dpm_weyl_nf_f",Pdpm_weyl_nf_f,4},
        !           161:   {"dpm_nf",Pdpm_nf,4},
        !           162:   {"dpm_sp",Pdpm_sp,2},
        !           163:   {"dpm_weyl_sp",Pdpm_weyl_sp,2},
        !           164:
        !           165:   {"dp_true_nf",Pdp_true_nf,4},
        !           166:   {"dp_true_nf_mod",Pdp_true_nf_mod,5},
        !           167:   {"dp_true_nf_marked",Pdp_true_nf_marked,4},
        !           168:   {"dp_true_nf_marked_mod",Pdp_true_nf_marked_mod,5},
        !           169:
        !           170:   {"dp_true_nf_and_quotient",Pdp_true_nf_and_quotient,3},
        !           171:   {"dp_true_nf_and_quotient_mod",Pdp_true_nf_and_quotient_mod,4},
        !           172:   {"dp_true_nf_and_quotient_marked",Pdp_true_nf_and_quotient_marked,4},
        !           173:   {"dp_true_nf_and_quotient_marked_mod",Pdp_true_nf_and_quotient_marked_mod,5},
        !           174:
        !           175:   {"dp_lnf_mod",Pdp_lnf_mod,3},
        !           176:   {"dp_nf_tab_f",Pdp_nf_tab_f,2},
        !           177:   {"dp_nf_tab_mod",Pdp_nf_tab_mod,3},
        !           178:   {"dp_lnf_f",Pdp_lnf_f,2},
        !           179:
        !           180:   /* Buchberger algorithm */
        !           181:   {"dp_gr_main",Pdp_gr_main,-5},
        !           182:   {"dp_interreduce",Pdp_interreduce,3},
        !           183:   {"dp_gr_mod_main",Pdp_gr_mod_main,5},
        !           184:   {"dp_gr_f_main",Pdp_gr_f_main,4},
        !           185:   {"dp_gr_checklist",Pdp_gr_checklist,2},
        !           186:   {"nd_f4",Pnd_f4,-4},
        !           187:   {"nd_gr",Pnd_gr,-4},
        !           188:   {"nd_gr_trace",Pnd_gr_trace,-5},
        !           189:   {"nd_f4_trace",Pnd_f4_trace,-5},
        !           190:   {"nd_gr_postproc",Pnd_gr_postproc,5},
        !           191:   {"nd_gr_recompute_trace",Pnd_gr_recompute_trace,5},
        !           192:   {"nd_btog",Pnd_btog,-6},
        !           193:   {"nd_weyl_gr_postproc",Pnd_weyl_gr_postproc,5},
        !           194:   {"nd_weyl_gr",Pnd_weyl_gr,-4},
        !           195:   {"nd_weyl_gr_trace",Pnd_weyl_gr_trace,-5},
        !           196:   {"nd_nf",Pnd_nf,5},
        !           197:   {"nd_weyl_nf",Pnd_weyl_nf,5},
        !           198:
        !           199:   /* F4 algorithm */
        !           200:   {"dp_f4_main",Pdp_f4_main,3},
        !           201:   {"dp_f4_mod_main",Pdp_f4_mod_main,4},
1.8       noro      202:
1.11      noro      203: /* weyl algebra */
1.108   ! noro      204:   /* multiplication */
        !           205:   {"dp_weyl_mul",Pdp_weyl_mul,2},
        !           206:   {"dp_weyl_mul_mod",Pdp_weyl_mul_mod,3},
        !           207:   {"dp_weyl_act",Pdp_weyl_act,2},
        !           208:
        !           209:   /* s-poly */
        !           210:   {"dp_weyl_sp",Pdp_weyl_sp,2},
        !           211:
        !           212:   /* m-reduction */
        !           213:   {"dp_weyl_red",Pdp_weyl_red,3},
        !           214:
        !           215:   /* normal form */
        !           216:   {"dp_weyl_nf",Pdp_weyl_nf,4},
        !           217:   {"dpm_weyl_nf",Pdpm_weyl_nf,4},
        !           218:   {"dp_weyl_nf_mod",Pdp_weyl_nf_mod,5},
        !           219:   {"dp_weyl_nf_f",Pdp_weyl_nf_f,4},
        !           220:
        !           221:   {"dp_weyl_true_nf_and_quotient",Pdp_weyl_true_nf_and_quotient,3},
        !           222:   {"dp_weyl_true_nf_and_quotient_mod",Pdp_weyl_true_nf_and_quotient_mod,4},
        !           223:   {"dp_weyl_true_nf_and_quotient_marked",Pdp_weyl_true_nf_and_quotient_marked,4},
        !           224:   {"dp_weyl_true_nf_and_quotient_marked_mod",Pdp_weyl_true_nf_and_quotient_marked_mod,5},
        !           225:
        !           226:
        !           227:   /* Buchberger algorithm */
        !           228:   {"dp_weyl_gr_main",Pdp_weyl_gr_main,-5},
        !           229:   {"dp_weyl_gr_mod_main",Pdp_weyl_gr_mod_main,5},
        !           230:   {"dp_weyl_gr_f_main",Pdp_weyl_gr_f_main,4},
        !           231:
        !           232:   /* F4 algorithm */
        !           233:   {"dp_weyl_f4_main",Pdp_weyl_f4_main,3},
        !           234:   {"dp_weyl_f4_mod_main",Pdp_weyl_f4_mod_main,4},
        !           235:
        !           236:   /* misc */
        !           237:   {"dp_inv_or_split",Pdp_inv_or_split,3},
        !           238:   {"dp_set_weight",Pdp_set_weight,-1},
        !           239:   {"dp_set_module_weight",Pdp_set_module_weight,-1},
        !           240:   {"dp_set_top_weight",Pdp_set_top_weight,-1},
        !           241:   {"dp_weyl_set_weight",Pdp_weyl_set_weight,-1},
1.72      noro      242:
1.108   ! noro      243:   {"dp_get_denomlist",Pdp_get_denomlist,0},
        !           244:   {0,0,0},
1.8       noro      245: };
                    246:
                    247: struct ftab dp_supp_tab[] = {
1.108   ! noro      248:   /* setting flags */
        !           249:   {"dp_sort",Pdp_sort,1},
        !           250:   {"dp_ord",Pdp_ord,-1},
        !           251:   {"dpm_ord",Pdpm_ord,-1},
        !           252:   {"dpv_ord",Pdpv_ord,-2},
        !           253:   {"dp_set_kara",Pdp_set_kara,-1},
        !           254:   {"dp_nelim",Pdp_nelim,-1},
        !           255:   {"dp_gr_flags",Pdp_gr_flags,-1},
        !           256:   {"dp_gr_print",Pdp_gr_print,-1},
        !           257:
        !           258:   /* converters */
        !           259:   {"homogenize",Phomogenize,3},
        !           260:   {"dp_ptod",Pdp_ptod,-2},
        !           261:   {"dp_dtop",Pdp_dtop,2},
        !           262:   {"dp_homo",Pdp_homo,1},
        !           263:   {"dp_dehomo",Pdp_dehomo,1},
        !           264:   {"dp_etov",Pdp_etov,1},
        !           265:   {"dp_vtoe",Pdp_vtoe,1},
        !           266:   {"dp_dtov",Pdp_dtov,1},
        !           267:   {"dp_mdtod",Pdp_mdtod,1},
        !           268:   {"dp_mod",Pdp_mod,3},
        !           269:   {"dp_rat",Pdp_rat,1},
        !           270:   {"dp_ltod",Pdp_ltod,-2},
        !           271:
        !           272:   {"dpm_ltod",Pdpm_ltod,2},
        !           273:   {"dpm_dtol",Pdpm_dtol,3},
        !           274:
        !           275:   /* criteria */
        !           276:   {"dp_cri1",Pdp_cri1,2},
        !           277:   {"dp_cri2",Pdp_cri2,2},
        !           278:   {"dp_criB",Pdp_criB,3},
        !           279:
        !           280:   /* simple operation */
        !           281:   {"dp_subd",Pdp_subd,2},
        !           282:   {"dp_lcm",Pdp_lcm,2},
        !           283:   {"dp_hm",Pdp_hm,1},
        !           284:   {"dp_ht",Pdp_ht,1},
        !           285:   {"dp_hc",Pdp_hc,1},
        !           286:   {"dpv_hm",Pdpv_hm,1},
        !           287:   {"dpv_ht",Pdpv_ht,1},
        !           288:   {"dpv_hc",Pdpv_hc,1},
        !           289:   {"dpm_hm",Pdpm_hm,1},
        !           290:   {"dpm_ht",Pdpm_ht,1},
        !           291:   {"dpm_hc",Pdpm_hc,1},
        !           292:   {"dp_rest",Pdp_rest,1},
        !           293:   {"dp_initial_term",Pdp_initial_term,1},
        !           294:   {"dp_order",Pdp_order,1},
        !           295:   {"dp_symb_add",Pdp_symb_add,2},
        !           296:
        !           297:   /* degree and size */
        !           298:   {"dp_td",Pdp_td,1},
        !           299:   {"dp_mag",Pdp_mag,1},
        !           300:   {"dp_sugar",Pdp_sugar,1},
        !           301:   {"dp_set_sugar",Pdp_set_sugar,2},
        !           302:
        !           303:   /* misc */
        !           304:   {"dp_mbase",Pdp_mbase,1},
        !           305:   {"dp_redble",Pdp_redble,2},
        !           306:   {"dp_sep",Pdp_sep,2},
        !           307:   {"dp_idiv",Pdp_idiv,2},
        !           308:   {"dp_tdiv",Pdp_tdiv,2},
        !           309:   {"dp_minp",Pdp_minp,2},
        !           310:   {"dp_compute_last_w",Pdp_compute_last_w,5},
        !           311:   {"dp_compute_last_t",Pdp_compute_last_t,5},
        !           312:   {"dp_compute_essential_df",Pdp_compute_essential_df,2},
        !           313:   {"dp_mono_raddec",Pdp_mono_raddec,2},
        !           314:   {"dp_mono_reduce",Pdp_mono_reduce,2},
        !           315:
        !           316:   {"dp_rref2",Pdp_rref2,2},
        !           317:   {"sumi_updatepairs",Psumi_updatepairs,3},
        !           318:   {"sumi_symbolic",Psumi_symbolic,5},
1.94      noro      319:
1.108   ! noro      320:   {0,0,0}
1.1       noro      321: };
1.44      noro      322:
1.68      noro      323: NODE compute_last_w(NODE g,NODE gh,int n,int **v,int row1,int **m1,int row2,int **m2);
1.74      noro      324: Q compute_last_t(NODE g,NODE gh,Q t,VECT w1,VECT w2,NODE *homo,VECT *wp);
                    325:
                    326: void Pdp_compute_last_t(NODE arg,LIST *rp)
                    327: {
1.108   ! noro      328:   NODE g,gh,homo,n;
        !           329:   LIST hlist;
        !           330:   VECT v1,v2,w;
        !           331:   Q t;
        !           332:
        !           333:   g = (NODE)BDY((LIST)ARG0(arg));
        !           334:   gh = (NODE)BDY((LIST)ARG1(arg));
        !           335:   t = (Q)ARG2(arg);
        !           336:   v1 = (VECT)ARG3(arg);
        !           337:   v2 = (VECT)ARG4(arg);
        !           338:   t = compute_last_t(g,gh,t,v1,v2,&homo,&w);
        !           339:   MKLIST(hlist,homo);
        !           340:   n = mknode(3,t,w,hlist);
        !           341:   MKLIST(*rp,n);
1.74      noro      342: }
1.68      noro      343:
                    344: void Pdp_compute_last_w(NODE arg,LIST *rp)
                    345: {
1.108   ! noro      346:   NODE g,gh,r;
        !           347:   VECT w,rv;
        !           348:   LIST l;
        !           349:   MAT w1,w2;
        !           350:   int row1,row2,i,j,n;
        !           351:   int *v;
        !           352:   int **m1,**m2;
        !           353:   Q q;
        !           354:
        !           355:   g = (NODE)BDY((LIST)ARG0(arg));
        !           356:   gh = (NODE)BDY((LIST)ARG1(arg));
        !           357:   w = (VECT)ARG2(arg);
        !           358:   w1 = (MAT)ARG3(arg);
        !           359:   w2 = (MAT)ARG4(arg);
        !           360:   n = w1->col;
        !           361:   row1 = w1->row;
        !           362:   row2 = w2->row;
        !           363:   if ( w ) {
        !           364:     v = W_ALLOC(n);
        !           365:     for ( i = 0; i < n; i++ ) v[i] = QTOS((Q)w->body[i]);
        !           366:   } else v = 0;
        !           367:   m1 = almat(row1,n);
        !           368:   for ( i = 0; i < row1; i++ )
        !           369:     for ( j = 0; j < n; j++ ) m1[i][j] = QTOS((Q)w1->body[i][j]);
        !           370:   m2 = almat(row2,n);
        !           371:   for ( i = 0; i < row2; i++ )
        !           372:     for ( j = 0; j < n; j++ ) m2[i][j] = QTOS((Q)w2->body[i][j]);
        !           373:   r = compute_last_w(g,gh,n,&v,row1,m1,row2,m2);
        !           374:   if ( !r ) *rp = 0;
        !           375:   else {
        !           376:     MKVECT(rv,n);
        !           377:     for ( i = 0; i < n; i++ ) {
        !           378:       STOQ(v[i],q); rv->body[i] = (pointer)q;
        !           379:     }
        !           380:     MKLIST(l,r);
        !           381:     r = mknode(2,rv,l);
        !           382:     MKLIST(*rp,r);
        !           383:   }
1.68      noro      384: }
                    385:
1.70      noro      386: NODE compute_essential_df(DP *g,DP *gh,int n);
                    387:
                    388: void Pdp_compute_essential_df(NODE arg,LIST *rp)
                    389: {
1.108   ! noro      390:   VECT g,gh;
        !           391:   NODE r;
1.70      noro      392:
1.108   ! noro      393:   g = (VECT)ARG0(arg);
        !           394:   gh = (VECT)ARG1(arg);
        !           395:   r = (NODE)compute_essential_df((DP *)BDY(g),(DP *)BDY(gh),g->len);
        !           396:   MKLIST(*rp,r);
1.70      noro      397: }
                    398:
1.97      noro      399: void Pdp_inv_or_split(NODE arg,Obj *rp)
1.66      noro      400: {
1.108   ! noro      401:   NODE gb,newgb;
        !           402:   DP f,inv;
        !           403:   struct order_spec *spec;
        !           404:   LIST list;
        !           405:
        !           406:   do_weyl = 0; dp_fcoeffs = 0;
        !           407:   asir_assert(ARG0(arg),O_LIST,"dp_inv_or_split");
        !           408:   asir_assert(ARG1(arg),O_DP,"dp_inv_or_split");
        !           409:   if ( !create_order_spec(0,(Obj)ARG2(arg),&spec) )
        !           410:     error("dp_inv_or_split : invalid order specification");
        !           411:   gb = BDY((LIST)ARG0(arg));
        !           412:   f = (DP)ARG1(arg);
        !           413:   newgb = (NODE)dp_inv_or_split(gb,f,spec,&inv);
        !           414:   if ( !newgb ) {
        !           415:     /* invertible */
        !           416:     *rp = (Obj)inv;
        !           417:   } else {
        !           418:     MKLIST(list,newgb);
        !           419:     *rp = (Obj)list;
        !           420:   }
1.66      noro      421: }
                    422:
1.97      noro      423: void Pdp_sort(NODE arg,DP *rp)
1.44      noro      424: {
1.108   ! noro      425:   dp_sort((DP)ARG0(arg),rp);
1.44      noro      426: }
1.1       noro      427:
1.97      noro      428: void Pdp_mdtod(NODE arg,DP *rp)
1.8       noro      429: {
1.108   ! noro      430:   MP m,mr,mr0;
        !           431:   DP p;
        !           432:   P t;
        !           433:
        !           434:   p = (DP)ARG0(arg);
        !           435:   if ( !p )
        !           436:     *rp = 0;
        !           437:   else {
        !           438:     for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) {
        !           439:       mptop((P)m->c,&t); NEXTMP(mr0,mr); mr->c = (Obj)t; mr->dl = m->dl;
        !           440:     }
        !           441:     NEXT(mr) = 0; MKDP(p->nv,mr0,*rp); (*rp)->sugar = p->sugar;
        !           442:   }
1.8       noro      443: }
                    444:
1.97      noro      445: void Pdp_sep(NODE arg,VECT *rp)
1.8       noro      446: {
1.108   ! noro      447:   DP p,r;
        !           448:   MP m,t;
        !           449:   MP *w0,*w;
        !           450:   int i,n,d,nv,sugar;
        !           451:   VECT v;
        !           452:   pointer *pv;
        !           453:
        !           454:   p = (DP)ARG0(arg); m = BDY(p);
        !           455:   d = QTOS((Q)ARG1(arg));
        !           456:   for ( t = m, n = 0; t; t = NEXT(t), n++ );
        !           457:   if ( d > n )
        !           458:     d = n;
        !           459:   MKVECT(v,d); *rp = v;
        !           460:   pv = BDY(v); nv = p->nv; sugar = p->sugar;
        !           461:   w0 = (MP *)MALLOC(d*sizeof(MP)); bzero(w0,d*sizeof(MP));
        !           462:   w = (MP *)MALLOC(d*sizeof(MP)); bzero(w,d*sizeof(MP));
        !           463:   for ( t = BDY(p), i = 0; t; t = NEXT(t), i++, i %= d  ) {
        !           464:     NEXTMP(w0[i],w[i]); w[i]->c = t->c; w[i]->dl = t->dl;
        !           465:   }
        !           466:   for ( i = 0; i < d; i++ ) {
        !           467:     NEXT(w[i]) = 0; MKDP(nv,w0[i],r); r->sugar = sugar;
        !           468:     pv[i] = (pointer)r;
        !           469:   }
1.8       noro      470: }
                    471:
1.97      noro      472: void Pdp_idiv(NODE arg,DP *rp)
1.8       noro      473: {
1.108   ! noro      474:   dp_idiv((DP)ARG0(arg),(Q)ARG1(arg),rp);
1.8       noro      475: }
                    476:
1.97      noro      477: void Pdp_cont(NODE arg,Q *rp)
1.8       noro      478: {
1.108   ! noro      479:   dp_cont((DP)ARG0(arg),rp);
1.8       noro      480: }
                    481:
1.97      noro      482: void Pdp_dtov(NODE arg,VECT *rp)
1.8       noro      483: {
1.108   ! noro      484:   dp_dtov((DP)ARG0(arg),rp);
1.8       noro      485: }
                    486:
1.97      noro      487: void Pdp_mbase(NODE arg,LIST *rp)
1.8       noro      488: {
1.108   ! noro      489:   NODE mb;
1.8       noro      490:
1.108   ! noro      491:   asir_assert(ARG0(arg),O_LIST,"dp_mbase");
        !           492:   dp_mbase(BDY((LIST)ARG0(arg)),&mb);
        !           493:   MKLIST(*rp,mb);
1.8       noro      494: }
                    495:
1.97      noro      496: void Pdp_etov(NODE arg,VECT *rp)
1.8       noro      497: {
1.108   ! noro      498:   DP dp;
        !           499:   int n,i;
        !           500:   int *d;
        !           501:   VECT v;
        !           502:   Q t;
        !           503:
        !           504:   dp = (DP)ARG0(arg);
        !           505:   asir_assert(dp,O_DP,"dp_etov");
        !           506:   n = dp->nv; d = BDY(dp)->dl->d;
        !           507:   MKVECT(v,n);
        !           508:   for ( i = 0; i < n; i++ ) {
        !           509:     STOQ(d[i],t); v->body[i] = (pointer)t;
        !           510:   }
        !           511:   *rp = v;
1.8       noro      512: }
                    513:
1.97      noro      514: void Pdp_vtoe(NODE arg,DP *rp)
1.8       noro      515: {
1.108   ! noro      516:   DP dp;
        !           517:   DL dl;
        !           518:   MP m;
        !           519:   int n,i,td;
        !           520:   int *d;
        !           521:   VECT v;
        !           522:
        !           523:   v = (VECT)ARG0(arg);
        !           524:   asir_assert(v,O_VECT,"dp_vtoe");
        !           525:   n = v->len;
        !           526:   NEWDL(dl,n); d = dl->d;
        !           527:   for ( i = 0, td = 0; i < n; i++ ) {
        !           528:     d[i] = QTOS((Q)(v->body[i])); td += MUL_WEIGHT(d[i],i);
        !           529:   }
        !           530:   dl->td = td;
        !           531:   NEWMP(m); m->dl = dl; m->c = (Obj)ONE; NEXT(m) = 0;
        !           532:   MKDP(n,m,dp); dp->sugar = td;
        !           533:   *rp = dp;
1.8       noro      534: }
                    535:
1.97      noro      536: void Pdp_lnf_mod(NODE arg,LIST *rp)
1.8       noro      537: {
1.108   ! noro      538:   DP r1,r2;
        !           539:   NODE b,g,n;
        !           540:   int mod;
        !           541:
        !           542:   asir_assert(ARG0(arg),O_LIST,"dp_lnf_mod");
        !           543:   asir_assert(ARG1(arg),O_LIST,"dp_lnf_mod");
        !           544:   asir_assert(ARG2(arg),O_N,"dp_lnf_mod");
        !           545:   b = BDY((LIST)ARG0(arg)); g = BDY((LIST)ARG1(arg));
        !           546:   mod = QTOS((Q)ARG2(arg));
        !           547:   dp_lnf_mod((DP)BDY(b),(DP)BDY(NEXT(b)),g,mod,&r1,&r2);
        !           548:   NEWNODE(n); BDY(n) = (pointer)r1;
        !           549:   NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)r2;
        !           550:   NEXT(NEXT(n)) = 0; MKLIST(*rp,n);
1.8       noro      551: }
                    552:
1.97      noro      553: void Pdp_lnf_f(NODE arg,LIST *rp)
1.16      noro      554: {
1.108   ! noro      555:   DP r1,r2;
        !           556:   NODE b,g,n;
1.16      noro      557:
1.108   ! noro      558:   asir_assert(ARG0(arg),O_LIST,"dp_lnf_f");
        !           559:   asir_assert(ARG1(arg),O_LIST,"dp_lnf_f");
        !           560:   b = BDY((LIST)ARG0(arg)); g = BDY((LIST)ARG1(arg));
        !           561:   dp_lnf_f((DP)BDY(b),(DP)BDY(NEXT(b)),g,&r1,&r2);
        !           562:   NEWNODE(n); BDY(n) = (pointer)r1;
        !           563:   NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)r2;
        !           564:   NEXT(NEXT(n)) = 0; MKLIST(*rp,n);
1.16      noro      565: }
                    566:
1.97      noro      567: void Pdp_nf_tab_mod(NODE arg,DP *rp)
1.8       noro      568: {
1.108   ! noro      569:   asir_assert(ARG0(arg),O_DP,"dp_nf_tab_mod");
        !           570:   asir_assert(ARG1(arg),O_VECT,"dp_nf_tab_mod");
        !           571:   asir_assert(ARG2(arg),O_N,"dp_nf_tab_mod");
        !           572:   dp_nf_tab_mod((DP)ARG0(arg),(LIST *)BDY((VECT)ARG1(arg)),
        !           573:     QTOS((Q)ARG2(arg)),rp);
1.28      noro      574: }
                    575:
1.97      noro      576: void Pdp_nf_tab_f(NODE arg,DP *rp)
1.28      noro      577: {
1.108   ! noro      578:   asir_assert(ARG0(arg),O_DP,"dp_nf_tab_f");
        !           579:   asir_assert(ARG1(arg),O_VECT,"dp_nf_tab_f");
        !           580:   dp_nf_tab_f((DP)ARG0(arg),(LIST *)BDY((VECT)ARG1(arg)),rp);
1.8       noro      581: }
1.1       noro      582:
1.97      noro      583: void Pdp_ord(NODE arg,Obj *rp)
1.1       noro      584: {
1.108   ! noro      585:   struct order_spec *spec;
        !           586:   LIST v;
        !           587:   struct oLIST f;
        !           588:   Num homo;
        !           589:   int modular;
        !           590:
        !           591:   f.id = O_LIST; f.body = 0;
        !           592:   if ( !arg && !current_option )
        !           593:     *rp = dp_current_spec->obj;
        !           594:   else {
        !           595:     if ( current_option )
        !           596:       parse_gr_option(&f,current_option,&v,&homo,&modular,&spec);
        !           597:     else if ( !create_order_spec(0,(Obj)ARG0(arg),&spec) )
        !           598:       error("dp_ord : invalid order specification");
        !           599:     initd(spec); *rp = spec->obj;
        !           600:   }
1.1       noro      601: }
                    602:
1.97      noro      603: void Pdp_ptod(NODE arg,DP *rp)
1.1       noro      604: {
1.108   ! noro      605:   P p;
        !           606:   NODE n;
        !           607:   VL vl,tvl;
        !           608:   struct oLIST f;
        !           609:   int ac;
        !           610:   LIST v;
        !           611:   Num homo;
        !           612:   int modular;
        !           613:   struct order_spec *ord;
        !           614:
        !           615:   asir_assert(ARG0(arg),O_P,"dp_ptod");
        !           616:   p = (P)ARG0(arg);
        !           617:   ac = argc(arg);
        !           618:   if ( ac == 1 ) {
        !           619:     if ( current_option ) {
        !           620:       f.id = O_LIST; f.body = mknode(1,p);
        !           621:       parse_gr_option(&f,current_option,&v,&homo,&modular,&ord);
        !           622:       initd(ord);
        !           623:     } else
        !           624:       error("dp_ptod : invalid argument");
        !           625:   } else {
        !           626:     asir_assert(ARG1(arg),O_LIST,"dp_ptod");
        !           627:     v = (LIST)ARG1(arg);
        !           628:   }
        !           629:   for ( vl = 0, n = BDY(v); n; n = NEXT(n) ) {
        !           630:     if ( !vl ) {
        !           631:       NEWVL(vl); tvl = vl;
        !           632:     } else {
        !           633:       NEWVL(NEXT(tvl)); tvl = NEXT(tvl);
        !           634:     }
        !           635:     VR(tvl) = VR((P)BDY(n));
        !           636:   }
        !           637:   if ( vl )
        !           638:     NEXT(tvl) = 0;
        !           639:   ptod(CO,vl,p,rp);
1.64      noro      640: }
                    641:
1.105     noro      642: void Phomogenize(NODE arg,Obj *rp)
1.64      noro      643: {
1.108   ! noro      644:   P p;
        !           645:   DP d,h;
        !           646:   NODE n;
        !           647:   V hv;
        !           648:   VL vl,tvl,last;
        !           649:   struct oLIST f;
        !           650:   LIST v;
        !           651:
        !           652:   asir_assert(ARG0(arg),O_P,"homogenize");
        !           653:   p = (P)ARG0(arg);
        !           654:   asir_assert(ARG1(arg),O_LIST,"homogenize");
        !           655:   v = (LIST)ARG1(arg);
        !           656:   asir_assert(ARG2(arg),O_P,"homogenize");
        !           657:   hv = VR((P)ARG2(arg));
        !           658:   for ( vl = 0, n = BDY(v); n; n = NEXT(n) ) {
        !           659:     if ( !vl ) {
        !           660:       NEWVL(vl); tvl = vl;
        !           661:     } else {
        !           662:       NEWVL(NEXT(tvl)); tvl = NEXT(tvl);
        !           663:     }
        !           664:     VR(tvl) = VR((P)BDY(n));
        !           665:   }
        !           666:   if ( vl ) {
        !           667:     last = tvl;
        !           668:     NEXT(tvl) = 0;
        !           669:   }
        !           670:   ptod(CO,vl,p,&d);
        !           671:   dp_homo(d,&h);
        !           672:   NEWVL(NEXT(last)); last = NEXT(last);
        !           673:   VR(last) = hv; NEXT(last) = 0;
        !           674:   dtop(CO,vl,h,rp);
1.1       noro      675: }
                    676:
1.97      noro      677: void Pdp_ltod(NODE arg,DPV *rp)
1.52      noro      678: {
1.108   ! noro      679:   NODE n;
        !           680:   VL vl,tvl;
        !           681:   LIST f,v;
        !           682:   int sugar,i,len,ac,modular;
        !           683:   Num homo;
        !           684:   struct order_spec *ord;
        !           685:   DP *e;
        !           686:   NODE nd,t;
        !           687:
        !           688:   ac = argc(arg);
        !           689:   asir_assert(ARG0(arg),O_LIST,"dp_ptod");
        !           690:   f = (LIST)ARG0(arg);
        !           691:   if ( ac == 1 ) {
        !           692:     if ( current_option ) {
        !           693:       parse_gr_option(f,current_option,&v,&homo,&modular,&ord);
        !           694:       initd(ord);
        !           695:     } else
        !           696:       error("dp_ltod : invalid argument");
        !           697:   } else {
        !           698:     asir_assert(ARG1(arg),O_LIST,"dp_ptod");
        !           699:     v = (LIST)ARG1(arg);
        !           700:   }
        !           701:   for ( vl = 0, n = BDY(v); n; n = NEXT(n) ) {
        !           702:     if ( !vl ) {
        !           703:       NEWVL(vl); tvl = vl;
        !           704:     } else {
        !           705:       NEWVL(NEXT(tvl)); tvl = NEXT(tvl);
        !           706:     }
        !           707:     VR(tvl) = VR((P)BDY(n));
        !           708:   }
        !           709:   if ( vl )
        !           710:     NEXT(tvl) = 0;
        !           711:
        !           712:   nd = BDY(f);
        !           713:   len = length(nd);
        !           714:   e = (DP *)MALLOC(len*sizeof(DP));
        !           715:   sugar = 0;
        !           716:   for ( i = 0, t = nd; i < len; i++, t = NEXT(t) ) {
        !           717:     ptod(CO,vl,(P)BDY(t),&e[i]);
        !           718:     if ( e[i] )
        !           719:       sugar = MAX(sugar,e[i]->sugar);
        !           720:   }
        !           721:   MKDPV(len,e,*rp);
1.52      noro      722: }
                    723:
1.105     noro      724: void Pdpm_ltod(NODE arg,DPM *rp)
                    725: {
1.108   ! noro      726:   NODE n;
        !           727:   VL vl,tvl;
        !           728:   LIST f,v;
        !           729:   int i,len;
        !           730:   NODE nd;
1.105     noro      731:   NODE t;
                    732:   DP d;
                    733:   DPM s,u,w;
                    734:
                    735:   f = (LIST)ARG0(arg);
                    736:   v = (LIST)ARG1(arg);
1.108   ! noro      737:   for ( vl = 0, n = BDY(v); n; n = NEXT(n) ) {
        !           738:     if ( !vl ) {
        !           739:       NEWVL(vl); tvl = vl;
        !           740:     } else {
        !           741:       NEWVL(NEXT(tvl)); tvl = NEXT(tvl);
        !           742:     }
        !           743:     VR(tvl) = VR((P)BDY(n));
        !           744:   }
        !           745:   if ( vl )
        !           746:     NEXT(tvl) = 0;
        !           747:
        !           748:   nd = BDY(f);
        !           749:   len = length(nd);
        !           750:   for ( i = 0, t = nd, s = 0; i < len; i++, t = NEXT(t) ) {
        !           751:     ptod(CO,vl,(P)BDY(t),&d);
1.105     noro      752:     dtodpm(d,i,&u);
                    753:     adddpm(CO,s,u,&w); s = w;
1.108   ! noro      754:   }
1.105     noro      755:   *rp = s;
                    756: }
                    757:
                    758: void Pdpm_dtol(NODE arg,LIST *rp)
                    759: {
                    760:   DPM a;
                    761:   NODE nd,nd1;
                    762:   VL vl,tvl;
                    763:   int n,len,i,pos,nv;
                    764:   MP *w;
                    765:   DMM t;
                    766:   DMM *wa;
                    767:   MP m;
                    768:   DP u;
                    769:   Obj s;
                    770:
                    771:   a = (DPM)ARG0(arg);
                    772:   for ( vl = 0, nd = BDY((LIST)ARG1(arg)), nv = 0; nd; nd = NEXT(nd), nv++ ) {
                    773:     if ( !vl ) {
                    774:       NEWVL(vl); tvl = vl;
                    775:     } else {
                    776:       NEWVL(NEXT(tvl)); tvl = NEXT(tvl);
                    777:     }
                    778:     VR(tvl) = VR((P)BDY(nd));
                    779:   }
1.108   ! noro      780:   if ( vl )
        !           781:     NEXT(tvl) = 0;
1.105     noro      782:    n = QTOS((Q)ARG2(arg));
                    783:    w = (MP *)CALLOC(n,sizeof(MP));
                    784:    for ( t = BDY(a), len = 0; t; t = NEXT(t) ) len++;
                    785:    wa = (DMM *)MALLOC(len*sizeof(DMM));
                    786:    for ( t = BDY(a), i = 0; t; t = NEXT(t), i++ ) wa[i] = t;
                    787:    for ( i = len-1; i >= 0; i-- ) {
                    788:      NEWMP(m); m->dl = wa[i]->dl; C(m) = C(wa[i]);
                    789:      pos = wa[i]->pos;
                    790:      NEXT(m) = w[pos];
                    791:      w[pos] = m;
                    792:    }
                    793:   nd = 0;
                    794:   for ( i = n-1; i >= 0; i-- ) {
1.108   ! noro      795:     MKDP(nv,w[i],u); u->sugar = a->sugar; /* XXX */
        !           796:     dtop(CO,vl,u,&s);
        !           797:     MKNODE(nd1,s,nd); nd = nd1;
1.105     noro      798:   }
                    799:   MKLIST(*rp,nd);
                    800: }
                    801:
                    802: void Pdp_dtop(NODE arg,Obj *rp)
1.1       noro      803: {
1.108   ! noro      804:   NODE n;
        !           805:   VL vl,tvl;
1.1       noro      806:
1.108   ! noro      807:   asir_assert(ARG0(arg),O_DP,"dp_dtop");
        !           808:   asir_assert(ARG1(arg),O_LIST,"dp_dtop");
        !           809:   for ( vl = 0, n = BDY((LIST)ARG1(arg)); n; n = NEXT(n) ) {
        !           810:     if ( !vl ) {
        !           811:       NEWVL(vl); tvl = vl;
        !           812:     } else {
        !           813:       NEWVL(NEXT(tvl)); tvl = NEXT(tvl);
        !           814:     }
        !           815:     VR(tvl) = VR((P)BDY(n));
        !           816:   }
        !           817:   if ( vl )
        !           818:     NEXT(tvl) = 0;
        !           819:   dtop(CO,vl,(DP)ARG0(arg),rp);
1.1       noro      820: }
                    821:
                    822: extern LIST Dist;
                    823:
1.97      noro      824: void Pdp_ptozp(NODE arg,Obj *rp)
1.1       noro      825: {
1.108   ! noro      826:   Q t;
1.60      ohara     827:     NODE tt,p;
                    828:     NODE n,n0;
                    829:     char *key;
1.108   ! noro      830:   DP pp;
        !           831:   LIST list;
1.60      ohara     832:     int get_factor=0;
                    833:
1.108   ! noro      834:   asir_assert(ARG0(arg),O_DP,"dp_ptozp");
1.60      ohara     835:
                    836:     /* analyze the option */
                    837:     if ( current_option ) {
                    838:       for ( tt = current_option; tt; tt = NEXT(tt) ) {
                    839:         p = BDY((LIST)BDY(tt));
                    840:         key = BDY((STRING)BDY(p));
                    841:         /*  value = (Obj)BDY(NEXT(p)); */
                    842:         if ( !strcmp(key,"factor") )  get_factor=1;
                    843:         else {
                    844:           error("ptozp: unknown option.");
                    845:         }
                    846:       }
                    847:     }
                    848:
1.108   ! noro      849:   dp_ptozp3((DP)ARG0(arg),&t,&pp);
1.60      ohara     850:
                    851:     /* printexpr(NULL,t); */
1.108   ! noro      852:   /* if the option factor is given, then it returns the answer
1.60      ohara     853:        in the format [zpoly, num] where num*zpoly is equal to the argument.*/
                    854:     if (get_factor) {
1.108   ! noro      855:     n0 = mknode(2,pp,t);
1.60      ohara     856:       MKLIST(list,n0);
1.108   ! noro      857:     *rp = (Obj)list;
1.60      ohara     858:     } else
                    859:       *rp = (Obj)pp;
1.1       noro      860: }
1.108   ! noro      861:
1.97      noro      862: void Pdp_ptozp2(NODE arg,LIST *rp)
1.1       noro      863: {
1.108   ! noro      864:   DP p0,p1,h,r;
        !           865:   NODE n0;
1.1       noro      866:
1.108   ! noro      867:   p0 = (DP)ARG0(arg); p1 = (DP)ARG1(arg);
        !           868:   asir_assert(p0,O_DP,"dp_ptozp2");
        !           869:   asir_assert(p1,O_DP,"dp_ptozp2");
        !           870:   dp_ptozp2(p0,p1,&h,&r);
        !           871:   NEWNODE(n0); BDY(n0) = (pointer)h;
        !           872:   NEWNODE(NEXT(n0)); BDY(NEXT(n0)) = (pointer)r;
        !           873:   NEXT(NEXT(n0)) = 0;
        !           874:   MKLIST(*rp,n0);
1.1       noro      875: }
                    876:
1.97      noro      877: void Pdp_prim(NODE arg,DP *rp)
1.1       noro      878: {
1.108   ! noro      879:   DP t;
1.1       noro      880:
1.108   ! noro      881:   asir_assert(ARG0(arg),O_DP,"dp_prim");
        !           882:   dp_prim((DP)ARG0(arg),&t); dp_ptozp(t,rp);
1.1       noro      883: }
1.108   ! noro      884:
1.97      noro      885: void Pdp_mod(NODE arg,DP *rp)
1.1       noro      886: {
1.108   ! noro      887:   DP p;
        !           888:   int mod;
        !           889:   NODE subst;
        !           890:
        !           891:   asir_assert(ARG0(arg),O_DP,"dp_mod");
        !           892:   asir_assert(ARG1(arg),O_N,"dp_mod");
        !           893:   asir_assert(ARG2(arg),O_LIST,"dp_mod");
        !           894:   p = (DP)ARG0(arg); mod = QTOS((Q)ARG1(arg));
        !           895:   subst = BDY((LIST)ARG2(arg));
        !           896:   dp_mod(p,mod,subst,rp);
1.1       noro      897: }
                    898:
1.97      noro      899: void Pdp_rat(NODE arg,DP *rp)
1.1       noro      900: {
1.108   ! noro      901:   asir_assert(ARG0(arg),O_DP,"dp_rat");
        !           902:   dp_rat((DP)ARG0(arg),rp);
1.1       noro      903: }
                    904:
1.9       noro      905: extern int DP_Multiple;
                    906:
1.97      noro      907: void Pdp_nf(NODE arg,DP *rp)
1.1       noro      908: {
1.108   ! noro      909:   NODE b;
        !           910:   DP *ps;
        !           911:   DP g;
        !           912:   int full;
        !           913:
        !           914:   do_weyl = 0; dp_fcoeffs = 0;
        !           915:   asir_assert(ARG0(arg),O_LIST,"dp_nf");
        !           916:   asir_assert(ARG1(arg),O_DP,"dp_nf");
        !           917:   asir_assert(ARG2(arg),O_VECT,"dp_nf");
        !           918:   asir_assert(ARG3(arg),O_N,"dp_nf");
        !           919:   if ( !(g = (DP)ARG1(arg)) ) {
        !           920:     *rp = 0; return;
        !           921:   }
        !           922:   b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg));
        !           923:   full = (Q)ARG3(arg) ? 1 : 0;
        !           924:   dp_nf_z(b,g,ps,full,DP_Multiple,rp);
1.1       noro      925: }
                    926:
1.97      noro      927: void Pdp_weyl_nf(NODE arg,DP *rp)
1.11      noro      928: {
1.108   ! noro      929:   NODE b;
        !           930:   DP *ps;
        !           931:   DP g;
        !           932:   int full;
        !           933:
        !           934:   asir_assert(ARG0(arg),O_LIST,"dp_weyl_nf");
        !           935:   asir_assert(ARG1(arg),O_DP,"dp_weyl_nf");
        !           936:   asir_assert(ARG2(arg),O_VECT,"dp_weyl_nf");
        !           937:   asir_assert(ARG3(arg),O_N,"dp_weyl_nf");
        !           938:   if ( !(g = (DP)ARG1(arg)) ) {
        !           939:     *rp = 0; return;
        !           940:   }
        !           941:   b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg));
        !           942:   full = (Q)ARG3(arg) ? 1 : 0;
        !           943:   do_weyl = 1;
        !           944:   dp_nf_z(b,g,ps,full,DP_Multiple,rp);
        !           945:   do_weyl = 0;
1.16      noro      946: }
                    947:
1.105     noro      948: void Pdpm_nf(NODE arg,DP *rp)
                    949: {
1.108   ! noro      950:   NODE b;
        !           951:   DPM *ps;
        !           952:   DPM g;
        !           953:   int full;
        !           954:
        !           955:   if ( !(g = (DPM)ARG1(arg)) ) {
        !           956:     *rp = 0; return;
        !           957:   }
        !           958:   do_weyl = 0; dp_fcoeffs = 0;
        !           959:   asir_assert(ARG0(arg),O_LIST,"dpm_nf");
        !           960:   asir_assert(ARG1(arg),O_DPM,"dpm_nf");
        !           961:   asir_assert(ARG2(arg),O_VECT,"dpm_nf");
        !           962:   asir_assert(ARG3(arg),O_N,"dpm_nf");
        !           963:   b = BDY((LIST)ARG0(arg)); ps = (DPM *)BDY((VECT)ARG2(arg));
        !           964:   full = (Q)ARG3(arg) ? 1 : 0;
        !           965:   dpm_nf_z(b,g,ps,full,DP_Multiple,rp);
1.105     noro      966: }
                    967:
                    968: void Pdpm_weyl_nf(NODE arg,DPM *rp)
                    969: {
1.108   ! noro      970:   NODE b;
        !           971:   DPM *ps;
        !           972:   DPM g;
        !           973:   int full;
        !           974:
        !           975:   if ( !(g = (DPM)ARG1(arg)) ) {
        !           976:     *rp = 0; return;
        !           977:   }
        !           978:   asir_assert(ARG0(arg),O_LIST,"dpm_weyl_nf");
        !           979:   asir_assert(ARG1(arg),O_DPM,"dpm_weyl_nf");
        !           980:   asir_assert(ARG2(arg),O_VECT,"dpm_weyl_nf");
        !           981:   asir_assert(ARG3(arg),O_N,"dpm_weyl_nf");
        !           982:   b = BDY((LIST)ARG0(arg)); ps = (DPM *)BDY((VECT)ARG2(arg));
        !           983:   full = (Q)ARG3(arg) ? 1 : 0;
        !           984:   do_weyl = 1;
        !           985:   dpm_nf_z(b,g,ps,full,DP_Multiple,rp);
        !           986:   do_weyl = 0;
1.105     noro      987: }
                    988:
1.16      noro      989: /* nf computation using field operations */
                    990:
1.97      noro      991: void Pdp_nf_f(NODE arg,DP *rp)
1.16      noro      992: {
1.108   ! noro      993:   NODE b;
        !           994:   DP *ps;
        !           995:   DP g;
        !           996:   int full;
        !           997:
        !           998:   do_weyl = 0;
        !           999:   asir_assert(ARG0(arg),O_LIST,"dp_nf_f");
        !          1000:   asir_assert(ARG1(arg),O_DP,"dp_nf_f");
        !          1001:   asir_assert(ARG2(arg),O_VECT,"dp_nf_f");
        !          1002:   asir_assert(ARG3(arg),O_N,"dp_nf_f");
        !          1003:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1004:     *rp = 0; return;
        !          1005:   }
        !          1006:   b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg));
        !          1007:   full = (Q)ARG3(arg) ? 1 : 0;
        !          1008:   dp_nf_f(b,g,ps,full,rp);
1.16      noro     1009: }
                   1010:
1.97      noro     1011: void Pdp_weyl_nf_f(NODE arg,DP *rp)
1.16      noro     1012: {
1.108   ! noro     1013:   NODE b;
        !          1014:   DP *ps;
        !          1015:   DP g;
        !          1016:   int full;
        !          1017:
        !          1018:   asir_assert(ARG0(arg),O_LIST,"dp_weyl_nf_f");
        !          1019:   asir_assert(ARG1(arg),O_DP,"dp_weyl_nf_f");
        !          1020:   asir_assert(ARG2(arg),O_VECT,"dp_weyl_nf_f");
        !          1021:   asir_assert(ARG3(arg),O_N,"dp_weyl_nf_f");
        !          1022:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1023:     *rp = 0; return;
        !          1024:   }
        !          1025:   b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg));
        !          1026:   full = (Q)ARG3(arg) ? 1 : 0;
        !          1027:   do_weyl = 1;
        !          1028:   dp_nf_f(b,g,ps,full,rp);
        !          1029:   do_weyl = 0;
1.11      noro     1030: }
                   1031:
1.105     noro     1032: void Pdpm_nf_f(NODE arg,DPM *rp)
                   1033: {
1.108   ! noro     1034:   NODE b;
        !          1035:   DPM *ps;
        !          1036:   DPM g;
        !          1037:   int full;
        !          1038:
        !          1039:   if ( !(g = (DPM)ARG1(arg)) ) {
        !          1040:     *rp = 0; return;
        !          1041:   }
        !          1042:   asir_assert(ARG0(arg),O_LIST,"dpm_nf_f");
        !          1043:   asir_assert(ARG1(arg),O_DPM,"dpm_nf_f");
        !          1044:   asir_assert(ARG2(arg),O_VECT,"dpm_nf_f");
        !          1045:   asir_assert(ARG3(arg),O_N,"dpm_nf_f");
        !          1046:   b = BDY((LIST)ARG0(arg)); ps = (DPM *)BDY((VECT)ARG2(arg));
        !          1047:   full = (Q)ARG3(arg) ? 1 : 0;
        !          1048:   dpm_nf_f(b,g,ps,full,rp);
1.105     noro     1049: }
                   1050:
                   1051: void Pdpm_weyl_nf_f(NODE arg,DPM *rp)
                   1052: {
1.108   ! noro     1053:   NODE b;
        !          1054:   DPM *ps;
        !          1055:   DPM g;
        !          1056:   int full;
        !          1057:
        !          1058:   if ( !(g = (DPM)ARG1(arg)) ) {
        !          1059:     *rp = 0; return;
        !          1060:   }
        !          1061:   asir_assert(ARG0(arg),O_LIST,"dpm_weyl_nf_f");
        !          1062:   asir_assert(ARG1(arg),O_DP,"dpm_weyl_nf_f");
        !          1063:   asir_assert(ARG2(arg),O_VECT,"dpm_weyl_nf_f");
        !          1064:   asir_assert(ARG3(arg),O_N,"dpm_weyl_nf_f");
        !          1065:   b = BDY((LIST)ARG0(arg)); ps = (DPM *)BDY((VECT)ARG2(arg));
        !          1066:   full = (Q)ARG3(arg) ? 1 : 0;
        !          1067:   do_weyl = 1;
        !          1068:   dpm_nf_f(b,g,ps,full,rp);
        !          1069:   do_weyl = 0;
1.105     noro     1070: }
                   1071:
                   1072:
1.97      noro     1073: void Pdp_nf_mod(NODE arg,DP *rp)
1.13      noro     1074: {
1.108   ! noro     1075:   NODE b;
        !          1076:   DP g;
        !          1077:   DP *ps;
        !          1078:   int mod,full,ac;
        !          1079:   NODE n,n0;
        !          1080:
        !          1081:   do_weyl = 0;
        !          1082:   ac = argc(arg);
        !          1083:   asir_assert(ARG0(arg),O_LIST,"dp_nf_mod");
        !          1084:   asir_assert(ARG1(arg),O_DP,"dp_nf_mod");
        !          1085:   asir_assert(ARG2(arg),O_VECT,"dp_nf_mod");
        !          1086:   asir_assert(ARG3(arg),O_N,"dp_nf_mod");
        !          1087:   asir_assert(ARG4(arg),O_N,"dp_nf_mod");
        !          1088:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1089:     *rp = 0; return;
        !          1090:   }
        !          1091:   b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg));
        !          1092:   full = QTOS((Q)ARG3(arg)); mod = QTOS((Q)ARG4(arg));
        !          1093:   for ( n0 = n = 0; b; b = NEXT(b) ) {
        !          1094:     NEXTNODE(n0,n);
        !          1095:     BDY(n) = (pointer)QTOS((Q)BDY(b));
        !          1096:   }
        !          1097:   if ( n0 )
        !          1098:     NEXT(n) = 0;
        !          1099:   dp_nf_mod(n0,g,ps,mod,full,rp);
1.13      noro     1100: }
                   1101:
1.97      noro     1102: void Pdp_true_nf(NODE arg,LIST *rp)
1.1       noro     1103: {
1.108   ! noro     1104:   NODE b,n;
        !          1105:   DP *ps;
        !          1106:   DP g;
        !          1107:   DP nm;
        !          1108:   P dn;
        !          1109:   int full;
        !          1110:
        !          1111:   do_weyl = 0; dp_fcoeffs = 0;
        !          1112:   asir_assert(ARG0(arg),O_LIST,"dp_true_nf");
        !          1113:   asir_assert(ARG1(arg),O_DP,"dp_true_nf");
        !          1114:   asir_assert(ARG2(arg),O_VECT,"dp_true_nf");
        !          1115:   asir_assert(ARG3(arg),O_N,"dp_nf");
        !          1116:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1117:     nm = 0; dn = (P)ONE;
        !          1118:   } else {
        !          1119:     b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg));
        !          1120:     full = (Q)ARG3(arg) ? 1 : 0;
        !          1121:     dp_true_nf(b,g,ps,full,&nm,&dn);
        !          1122:   }
        !          1123:   NEWNODE(n); BDY(n) = (pointer)nm;
        !          1124:   NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)dn;
        !          1125:   NEXT(NEXT(n)) = 0; MKLIST(*rp,n);
1.1       noro     1126: }
                   1127:
1.98      noro     1128: DP *dp_true_nf_and_quotient_marked(NODE b,DP g,DP *ps,DP *hps,DP *rp,P *dnp);
1.73      noro     1129:
1.97      noro     1130: void Pdp_true_nf_and_quotient_marked(NODE arg,LIST *rp)
1.73      noro     1131: {
1.108   ! noro     1132:   NODE b,n;
        !          1133:   DP *ps,*hps;
        !          1134:   DP g;
        !          1135:   DP nm;
        !          1136:   VECT quo;
        !          1137:   P dn;
        !          1138:   int full;
        !          1139:
        !          1140:   do_weyl = 0; dp_fcoeffs = 0;
        !          1141:   asir_assert(ARG0(arg),O_LIST,"dp_true_nf_and_quotient_marked");
        !          1142:   asir_assert(ARG1(arg),O_DP,"dp_true_nf_and_quotient_marked");
        !          1143:   asir_assert(ARG2(arg),O_VECT,"dp_true_nf_and_quotient_marked");
        !          1144:   asir_assert(ARG3(arg),O_VECT,"dp_true_nf_and_quotient_marked");
        !          1145:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1146:     nm = 0; dn = (P)ONE;
        !          1147:   } else {
        !          1148:     b = BDY((LIST)ARG0(arg));
        !          1149:     ps = (DP *)BDY((VECT)ARG2(arg));
        !          1150:     hps = (DP *)BDY((VECT)ARG3(arg));
        !          1151:     NEWVECT(quo); quo->len = ((VECT)ARG2(arg))->len;
        !          1152:     quo->body = (pointer *)dp_true_nf_and_quotient_marked(b,g,ps,hps,&nm,&dn);
        !          1153:   }
        !          1154:   n = mknode(3,nm,dn,quo);
        !          1155:   MKLIST(*rp,n);
1.73      noro     1156: }
                   1157:
1.98      noro     1158: void Pdp_true_nf_and_quotient(NODE arg,LIST *rp)
                   1159: {
                   1160:   NODE narg = mknode(4,ARG0(arg),ARG1(arg),ARG2(arg),ARG2(arg));
                   1161:   Pdp_true_nf_and_quotient_marked(narg,rp);
                   1162: }
                   1163:
                   1164:
1.79      noro     1165: DP *dp_true_nf_and_quotient_marked_mod (NODE b,DP g,DP *ps,DP *hps,int mod,DP *rp,P *dnp);
                   1166:
1.97      noro     1167: void Pdp_true_nf_and_quotient_marked_mod(NODE arg,LIST *rp)
1.79      noro     1168: {
1.108   ! noro     1169:   NODE b,n;
        !          1170:   DP *ps,*hps;
        !          1171:   DP g;
        !          1172:   DP nm;
        !          1173:   VECT quo;
        !          1174:   P dn;
        !          1175:   int full,mod;
        !          1176:
        !          1177:   do_weyl = 0; dp_fcoeffs = 0;
        !          1178:   asir_assert(ARG0(arg),O_LIST,"dp_true_nf_and_quotient_marked_mod");
        !          1179:   asir_assert(ARG1(arg),O_DP,"dp_true_nf_and_quotient_marked_mod");
        !          1180:   asir_assert(ARG2(arg),O_VECT,"dp_true_nf_and_quotient_marked_mod");
        !          1181:   asir_assert(ARG3(arg),O_VECT,"dp_true_nf_and_quotient_marked_mod");
        !          1182:   asir_assert(ARG4(arg),O_N,"dp_true_nf_and_quotient_marked_mod");
        !          1183:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1184:     nm = 0; dn = (P)ONE;
        !          1185:   } else {
        !          1186:     b = BDY((LIST)ARG0(arg));
        !          1187:     ps = (DP *)BDY((VECT)ARG2(arg));
        !          1188:     hps = (DP *)BDY((VECT)ARG3(arg));
        !          1189:     mod = QTOS((Q)ARG4(arg));
        !          1190:     NEWVECT(quo); quo->len = ((VECT)ARG2(arg))->len;
        !          1191:     quo->body = (pointer *)dp_true_nf_and_quotient_marked_mod(b,g,ps,hps,mod,&nm,&dn);
        !          1192:   }
        !          1193:   n = mknode(3,nm,dn,quo);
        !          1194:   MKLIST(*rp,n);
1.79      noro     1195: }
                   1196:
1.98      noro     1197: void Pdp_true_nf_and_quotient_mod(NODE arg,LIST *rp)
                   1198: {
                   1199:   NODE narg = mknode(5,ARG0(arg),ARG1(arg),ARG2(arg),ARG2(arg),ARG3(arg));
                   1200:   Pdp_true_nf_and_quotient_marked_mod(narg,rp);
                   1201: }
                   1202:
1.97      noro     1203: void Pdp_true_nf_marked(NODE arg,LIST *rp)
                   1204: {
1.108   ! noro     1205:   NODE b,n;
        !          1206:   DP *ps,*hps;
        !          1207:   DP g;
        !          1208:   DP nm;
        !          1209:   Q cont;
        !          1210:   P dn;
        !          1211:   int full;
        !          1212:
        !          1213:   do_weyl = 0; dp_fcoeffs = 0;
        !          1214:   asir_assert(ARG0(arg),O_LIST,"dp_true_nf_marked");
        !          1215:   asir_assert(ARG1(arg),O_DP,"dp_true_nf_marked");
        !          1216:   asir_assert(ARG2(arg),O_VECT,"dp_true_nf_marked");
        !          1217:   asir_assert(ARG3(arg),O_VECT,"dp_true_nf_marked");
        !          1218:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1219:     nm = 0; dn = (P)ONE;
        !          1220:   } else {
        !          1221:     b = BDY((LIST)ARG0(arg));
        !          1222:     ps = (DP *)BDY((VECT)ARG2(arg));
        !          1223:     hps = (DP *)BDY((VECT)ARG3(arg));
        !          1224:     dp_true_nf_marked(b,g,ps,hps,&nm,(P *)&cont,(P *)&dn);
        !          1225:   }
        !          1226:   n = mknode(3,nm,cont,dn);
        !          1227:   MKLIST(*rp,n);
1.97      noro     1228: }
                   1229:
                   1230: void Pdp_true_nf_marked_mod(NODE arg,LIST *rp)
1.70      noro     1231: {
1.108   ! noro     1232:   NODE b,n;
        !          1233:   DP *ps,*hps;
        !          1234:   DP g;
        !          1235:   DP nm;
        !          1236:   P dn;
        !          1237:   int mod;
        !          1238:
        !          1239:   do_weyl = 0; dp_fcoeffs = 0;
        !          1240:   asir_assert(ARG0(arg),O_LIST,"dp_true_nf_marked_mod");
        !          1241:   asir_assert(ARG1(arg),O_DP,"dp_true_nf_marked_mod");
        !          1242:   asir_assert(ARG2(arg),O_VECT,"dp_true_nf_marked_mod");
        !          1243:   asir_assert(ARG3(arg),O_VECT,"dp_true_nf_marked_mod");
        !          1244:   asir_assert(ARG4(arg),O_N,"dp_true_nf_marked_mod");
        !          1245:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1246:     nm = 0; dn = (P)ONE;
        !          1247:   } else {
        !          1248:     b = BDY((LIST)ARG0(arg));
        !          1249:     ps = (DP *)BDY((VECT)ARG2(arg));
        !          1250:     hps = (DP *)BDY((VECT)ARG3(arg));
        !          1251:     mod = QTOS((Q)ARG4(arg));
        !          1252:     dp_true_nf_marked_mod(b,g,ps,hps,mod,&nm,&dn);
        !          1253:   }
        !          1254:   n = mknode(2,nm,dn);
        !          1255:   MKLIST(*rp,n);
1.70      noro     1256: }
                   1257:
1.97      noro     1258: void Pdp_weyl_nf_mod(NODE arg,DP *rp)
1.8       noro     1259: {
1.108   ! noro     1260:   NODE b;
        !          1261:   DP g;
        !          1262:   DP *ps;
        !          1263:   int mod,full,ac;
        !          1264:   NODE n,n0;
        !          1265:
        !          1266:   ac = argc(arg);
        !          1267:   asir_assert(ARG0(arg),O_LIST,"dp_weyl_nf_mod");
        !          1268:   asir_assert(ARG1(arg),O_DP,"dp_weyl_nf_mod");
        !          1269:   asir_assert(ARG2(arg),O_VECT,"dp_weyl_nf_mod");
        !          1270:   asir_assert(ARG3(arg),O_N,"dp_weyl_nf_mod");
        !          1271:   asir_assert(ARG4(arg),O_N,"dp_weyl_nf_mod");
        !          1272:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1273:     *rp = 0; return;
        !          1274:   }
        !          1275:   b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg));
        !          1276:   full = QTOS((Q)ARG3(arg)); mod = QTOS((Q)ARG4(arg));
        !          1277:   for ( n0 = n = 0; b; b = NEXT(b) ) {
        !          1278:     NEXTNODE(n0,n);
        !          1279:     BDY(n) = (pointer)QTOS((Q)BDY(b));
        !          1280:   }
        !          1281:   if ( n0 )
        !          1282:     NEXT(n) = 0;
        !          1283:   do_weyl = 1;
        !          1284:   dp_nf_mod(n0,g,ps,mod,full,rp);
        !          1285:   do_weyl = 0;
1.8       noro     1286: }
                   1287:
1.97      noro     1288: void Pdp_true_nf_mod(NODE arg,LIST *rp)
1.8       noro     1289: {
1.108   ! noro     1290:   NODE b;
        !          1291:   DP g,nm;
        !          1292:   P dn;
        !          1293:   DP *ps;
        !          1294:   int mod,full;
        !          1295:   NODE n;
        !          1296:
        !          1297:   do_weyl = 0;
        !          1298:   asir_assert(ARG0(arg),O_LIST,"dp_nf_mod");
        !          1299:   asir_assert(ARG1(arg),O_DP,"dp_nf_mod");
        !          1300:   asir_assert(ARG2(arg),O_VECT,"dp_nf_mod");
        !          1301:   asir_assert(ARG3(arg),O_N,"dp_nf_mod");
        !          1302:   asir_assert(ARG4(arg),O_N,"dp_nf_mod");
        !          1303:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1304:     nm = 0; dn = (P)ONEM;
        !          1305:   } else {
        !          1306:     b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg));
        !          1307:     full = QTOS((Q)ARG3(arg)); mod = QTOS((Q)ARG4(arg));
        !          1308:     dp_true_nf_mod(b,g,ps,mod,full,&nm,&dn);
        !          1309:   }
        !          1310:   NEWNODE(n); BDY(n) = (pointer)nm;
        !          1311:   NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)dn;
        !          1312:   NEXT(NEXT(n)) = 0; MKLIST(*rp,n);
1.1       noro     1313: }
                   1314:
1.98      noro     1315: void Pdp_weyl_true_nf_and_quotient_marked(NODE arg,LIST *rp)
                   1316: {
1.108   ! noro     1317:   NODE b,n;
        !          1318:   DP *ps,*hps;
        !          1319:   DP g;
        !          1320:   DP nm;
        !          1321:   VECT quo;
        !          1322:   P dn;
        !          1323:   int full;
        !          1324:
        !          1325:   do_weyl = 1; dp_fcoeffs = 0;
        !          1326:   asir_assert(ARG0(arg),O_LIST,"dp_weyl_true_nf_and_quotient_marked");
        !          1327:   asir_assert(ARG1(arg),O_DP,"dp_weyl_true_nf_and_quotient_marked");
        !          1328:   asir_assert(ARG2(arg),O_VECT,"dp_weyl_true_nf_and_quotient_marked");
        !          1329:   asir_assert(ARG3(arg),O_VECT,"dp_weyl_true_nf_and_quotient_marked");
        !          1330:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1331:     nm = 0; dn = (P)ONE;
        !          1332:   } else {
        !          1333:     b = BDY((LIST)ARG0(arg));
        !          1334:     ps = (DP *)BDY((VECT)ARG2(arg));
        !          1335:     hps = (DP *)BDY((VECT)ARG3(arg));
        !          1336:     NEWVECT(quo); quo->len = ((VECT)ARG2(arg))->len;
        !          1337:     quo->body = (pointer *)dp_true_nf_and_quotient_marked(b,g,ps,hps,&nm,&dn);
        !          1338:   }
        !          1339:   n = mknode(3,nm,dn,quo);
        !          1340:   MKLIST(*rp,n);
1.98      noro     1341: }
                   1342:
                   1343: void Pdp_weyl_true_nf_and_quotient(NODE arg,LIST *rp)
                   1344: {
                   1345:   NODE narg = mknode(4,ARG0(arg),ARG1(arg),ARG2(arg),ARG2(arg));
                   1346:   Pdp_weyl_true_nf_and_quotient_marked(narg,rp);
                   1347: }
                   1348:
                   1349:
                   1350: void Pdp_weyl_true_nf_and_quotient_marked_mod(NODE arg,LIST *rp)
                   1351: {
1.108   ! noro     1352:   NODE b,n;
        !          1353:   DP *ps,*hps;
        !          1354:   DP g;
        !          1355:   DP nm;
        !          1356:   VECT quo;
        !          1357:   P dn;
        !          1358:   int full,mod;
        !          1359:
        !          1360:   do_weyl = 1; dp_fcoeffs = 0;
        !          1361:   asir_assert(ARG0(arg),O_LIST,"dp_weyl_true_nf_and_quotient_marked_mod");
        !          1362:   asir_assert(ARG1(arg),O_DP,"dp_weyl_true_nf_and_quotient_marked_mod");
        !          1363:   asir_assert(ARG2(arg),O_VECT,"dp_weyl_true_nf_and_quotient_marked_mod");
        !          1364:   asir_assert(ARG3(arg),O_VECT,"dp_weyl_true_nf_and_quotient_marked_mod");
        !          1365:   asir_assert(ARG4(arg),O_N,"dp_weyl_true_nf_and_quotient_marked_mod");
        !          1366:   if ( !(g = (DP)ARG1(arg)) ) {
        !          1367:     nm = 0; dn = (P)ONE;
        !          1368:   } else {
        !          1369:     b = BDY((LIST)ARG0(arg));
        !          1370:     ps = (DP *)BDY((VECT)ARG2(arg));
        !          1371:     hps = (DP *)BDY((VECT)ARG3(arg));
        !          1372:     mod = QTOS((Q)ARG4(arg));
        !          1373:     NEWVECT(quo); quo->len = ((VECT)ARG2(arg))->len;
        !          1374:     quo->body = (pointer *)dp_true_nf_and_quotient_marked_mod(b,g,ps,hps,mod,&nm,&dn);
        !          1375:   }
        !          1376:   n = mknode(3,nm,dn,quo);
        !          1377:   MKLIST(*rp,n);
1.98      noro     1378: }
                   1379:
                   1380: void Pdp_weyl_true_nf_and_quotient_mod(NODE arg,LIST *rp)
                   1381: {
                   1382:   NODE narg = mknode(5,ARG0(arg),ARG1(arg),ARG2(arg),ARG2(arg),ARG3(arg));
                   1383:   Pdp_weyl_true_nf_and_quotient_marked_mod(narg,rp);
                   1384: }
                   1385:
                   1386:
1.97      noro     1387: void Pdp_tdiv(NODE arg,DP *rp)
1.1       noro     1388: {
1.108   ! noro     1389:   MP m,mr,mr0;
        !          1390:   DP p;
        !          1391:   Q c;
        !          1392:   N d,q,r;
        !          1393:   int sgn;
        !          1394:
        !          1395:   asir_assert(ARG0(arg),O_DP,"dp_tdiv");
        !          1396:   asir_assert(ARG1(arg),O_N,"dp_tdiv");
        !          1397:   p = (DP)ARG0(arg); d = NM((Q)ARG1(arg)); sgn = SGN((Q)ARG1(arg));
        !          1398:   if ( !p )
        !          1399:     *rp = 0;
        !          1400:   else {
        !          1401:     for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) {
        !          1402:       divn(NM((Q)m->c),d,&q,&r);
        !          1403:       if ( r ) {
        !          1404:         *rp = 0; return;
        !          1405:       } else {
        !          1406:         NEXTMP(mr0,mr); NTOQ(q,SGN((Q)m->c)*sgn,c);
        !          1407:         mr->c = (Obj)c; mr->dl = m->dl;
        !          1408:       }
        !          1409:     }
        !          1410:     NEXT(mr) = 0; MKDP(p->nv,mr0,*rp); (*rp)->sugar = p->sugar;
        !          1411:   }
1.1       noro     1412: }
                   1413:
1.97      noro     1414: void Pdp_red_coef(NODE arg,DP *rp)
1.1       noro     1415: {
1.108   ! noro     1416:   MP m,mr,mr0;
        !          1417:   P q,r;
        !          1418:   DP p;
        !          1419:   P mod;
        !          1420:
        !          1421:   p = (DP)ARG0(arg); mod = (P)ARG1(arg);
        !          1422:   asir_assert(p,O_DP,"dp_red_coef");
        !          1423:   asir_assert(mod,O_P,"dp_red_coef");
        !          1424:   if ( !p )
        !          1425:     *rp = 0;
        !          1426:   else {
        !          1427:     for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) {
        !          1428:       divsrp(CO,(P)m->c,mod,&q,&r);
        !          1429:       if ( r ) {
        !          1430:         NEXTMP(mr0,mr); mr->c = (Obj)r; mr->dl = m->dl;
        !          1431:       }
        !          1432:     }
        !          1433:     if ( mr0 ) {
        !          1434:       NEXT(mr) = 0; MKDP(p->nv,mr0,*rp); (*rp)->sugar = p->sugar;
        !          1435:     } else
        !          1436:       *rp = 0;
        !          1437:   }
1.1       noro     1438: }
                   1439:
1.97      noro     1440: void Pdp_redble(NODE arg,Q *rp)
1.1       noro     1441: {
1.108   ! noro     1442:   asir_assert(ARG0(arg),O_DP,"dp_redble");
        !          1443:   asir_assert(ARG1(arg),O_DP,"dp_redble");
        !          1444:   if ( dp_redble((DP)ARG0(arg),(DP)ARG1(arg)) )
        !          1445:     *rp = ONE;
        !          1446:   else
        !          1447:     *rp = 0;
1.1       noro     1448: }
                   1449:
1.97      noro     1450: void Pdp_red_mod(NODE arg,LIST *rp)
1.1       noro     1451: {
1.108   ! noro     1452:   DP h,r;
        !          1453:   P dmy;
        !          1454:   NODE n;
        !          1455:
        !          1456:   do_weyl = 0;
        !          1457:   asir_assert(ARG0(arg),O_DP,"dp_red_mod");
        !          1458:   asir_assert(ARG1(arg),O_DP,"dp_red_mod");
        !          1459:   asir_assert(ARG2(arg),O_DP,"dp_red_mod");
        !          1460:   asir_assert(ARG3(arg),O_N,"dp_red_mod");
        !          1461:   dp_red_mod((DP)ARG0(arg),(DP)ARG1(arg),(DP)ARG2(arg),QTOS((Q)ARG3(arg)),
        !          1462:     &h,&r,&dmy);
        !          1463:   NEWNODE(n); BDY(n) = (pointer)h;
        !          1464:   NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)r;
        !          1465:   NEXT(NEXT(n)) = 0; MKLIST(*rp,n);
1.1       noro     1466: }
1.13      noro     1467:
1.97      noro     1468: void Pdp_subd(NODE arg,DP *rp)
1.1       noro     1469: {
1.108   ! noro     1470:   DP p1,p2;
1.1       noro     1471:
1.108   ! noro     1472:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
        !          1473:   asir_assert(p1,O_DP,"dp_subd");
        !          1474:   asir_assert(p2,O_DP,"dp_subd");
        !          1475:   dp_subd(p1,p2,rp);
1.1       noro     1476: }
                   1477:
1.97      noro     1478: void Pdp_symb_add(NODE arg,DP *rp)
1.80      noro     1479: {
1.108   ! noro     1480:   DP p1,p2,r;
        !          1481:   NODE s0;
        !          1482:   MP mp0,mp;
        !          1483:   int nv;
        !          1484:
        !          1485:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
        !          1486:   asir_assert(p1,O_DP,"dp_symb_add");
        !          1487:   asir_assert(p2,O_DP,"dp_symb_add");
        !          1488:   if ( !p1 ) { *rp = p2; return; }
        !          1489:   else if ( !p2 ) { *rp = p1; return; }
        !          1490:   if ( p1->nv != p2->nv )
        !          1491:     error("dp_sumb_add : invalid input");
        !          1492:   nv = p1->nv;
        !          1493:   s0 = symb_merge(dp_dllist(p1),dp_dllist(p2),nv);
        !          1494:   for ( mp0 = 0; s0; s0 = NEXT(s0) ) {
        !          1495:     NEXTMP(mp0,mp); mp->dl = (DL)BDY(s0); mp->c = (Obj)ONE;
        !          1496:   }
        !          1497:   NEXT(mp) = 0;
        !          1498:   MKDP(nv,mp0,r); r->sugar = MAX(p1->sugar,p2->sugar);
        !          1499:   *rp = r;
1.80      noro     1500: }
                   1501:
1.97      noro     1502: void Pdp_mul_trunc(NODE arg,DP *rp)
1.32      noro     1503: {
1.108   ! noro     1504:   DP p1,p2,p;
1.32      noro     1505:
1.108   ! noro     1506:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg); p = (DP)ARG2(arg);
        !          1507:   asir_assert(p1,O_DP,"dp_mul_trunc");
        !          1508:   asir_assert(p2,O_DP,"dp_mul_trunc");
        !          1509:   asir_assert(p,O_DP,"dp_mul_trunc");
        !          1510:   comm_muld_trunc(CO,p1,p2,BDY(p)->dl,rp);
1.32      noro     1511: }
                   1512:
1.97      noro     1513: void Pdp_quo(NODE arg,DP *rp)
1.32      noro     1514: {
1.108   ! noro     1515:   DP p1,p2;
1.32      noro     1516:
1.108   ! noro     1517:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
        !          1518:   asir_assert(p1,O_DP,"dp_quo");
        !          1519:   asir_assert(p2,O_DP,"dp_quo");
        !          1520:   comm_quod(CO,p1,p2,rp);
1.32      noro     1521: }
                   1522:
1.97      noro     1523: void Pdp_weyl_mul(NODE arg,DP *rp)
1.12      noro     1524: {
1.108   ! noro     1525:   DP p1,p2;
1.12      noro     1526:
1.108   ! noro     1527:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
        !          1528:   asir_assert(p1,O_DP,"dp_weyl_mul"); asir_assert(p2,O_DP,"dp_weyl_mul");
        !          1529:   do_weyl = 1;
        !          1530:   muld(CO,p1,p2,rp);
        !          1531:   do_weyl = 0;
1.13      noro     1532: }
                   1533:
1.97      noro     1534: void Pdp_weyl_act(NODE arg,DP *rp)
1.96      noro     1535: {
1.108   ! noro     1536:   DP p1,p2;
1.96      noro     1537:
1.108   ! noro     1538:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
        !          1539:   asir_assert(p1,O_DP,"dp_weyl_act"); asir_assert(p2,O_DP,"dp_weyl_act");
        !          1540:   weyl_actd(CO,p1,p2,rp);
1.96      noro     1541: }
                   1542:
                   1543:
1.97      noro     1544: void Pdp_weyl_mul_mod(NODE arg,DP *rp)
1.13      noro     1545: {
1.108   ! noro     1546:   DP p1,p2;
        !          1547:   Q m;
1.13      noro     1548:
1.108   ! noro     1549:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg); m = (Q)ARG2(arg);
        !          1550:   asir_assert(p1,O_DP,"dp_weyl_mul_mod");
        !          1551:   asir_assert(p2,O_DP,"dp_mul_mod");
        !          1552:   asir_assert(m,O_N,"dp_mul_mod");
        !          1553:   do_weyl = 1;
        !          1554:   mulmd(CO,QTOS(m),p1,p2,rp);
        !          1555:   do_weyl = 0;
1.12      noro     1556: }
                   1557:
1.97      noro     1558: void Pdp_red(NODE arg,LIST *rp)
1.1       noro     1559: {
1.108   ! noro     1560:   NODE n;
        !          1561:   DP head,rest,dmy1;
        !          1562:   P dmy;
        !          1563:
        !          1564:   do_weyl = 0;
        !          1565:   asir_assert(ARG0(arg),O_DP,"dp_red");
        !          1566:   asir_assert(ARG1(arg),O_DP,"dp_red");
        !          1567:   asir_assert(ARG2(arg),O_DP,"dp_red");
        !          1568:   dp_red((DP)ARG0(arg),(DP)ARG1(arg),(DP)ARG2(arg),&head,&rest,&dmy,&dmy1);
        !          1569:   NEWNODE(n); BDY(n) = (pointer)head;
        !          1570:   NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)rest;
        !          1571:   NEXT(NEXT(n)) = 0; MKLIST(*rp,n);
1.1       noro     1572: }
                   1573:
1.97      noro     1574: void Pdp_weyl_red(NODE arg,LIST *rp)
1.11      noro     1575: {
1.108   ! noro     1576:   NODE n;
        !          1577:   DP head,rest,dmy1;
        !          1578:   P dmy;
        !          1579:
        !          1580:   asir_assert(ARG0(arg),O_DP,"dp_weyl_red");
        !          1581:   asir_assert(ARG1(arg),O_DP,"dp_weyl_red");
        !          1582:   asir_assert(ARG2(arg),O_DP,"dp_weyl_red");
        !          1583:   do_weyl = 1;
        !          1584:   dp_red((DP)ARG0(arg),(DP)ARG1(arg),(DP)ARG2(arg),&head,&rest,&dmy,&dmy1);
        !          1585:   do_weyl = 0;
        !          1586:   NEWNODE(n); BDY(n) = (pointer)head;
        !          1587:   NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)rest;
        !          1588:   NEXT(NEXT(n)) = 0; MKLIST(*rp,n);
1.11      noro     1589: }
                   1590:
1.97      noro     1591: void Pdp_sp(NODE arg,DP *rp)
1.1       noro     1592: {
1.108   ! noro     1593:   DP p1,p2;
1.1       noro     1594:
1.108   ! noro     1595:   do_weyl = 0;
        !          1596:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
        !          1597:   asir_assert(p1,O_DP,"dp_sp"); asir_assert(p2,O_DP,"dp_sp");
        !          1598:   dp_sp(p1,p2,rp);
1.1       noro     1599: }
                   1600:
1.97      noro     1601: void Pdp_weyl_sp(NODE arg,DP *rp)
1.11      noro     1602: {
1.108   ! noro     1603:   DP p1,p2;
1.11      noro     1604:
1.108   ! noro     1605:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
        !          1606:   asir_assert(p1,O_DP,"dp_weyl_sp"); asir_assert(p2,O_DP,"dp_weyl_sp");
        !          1607:   do_weyl = 1;
        !          1608:   dp_sp(p1,p2,rp);
        !          1609:   do_weyl = 0;
1.11      noro     1610: }
                   1611:
1.105     noro     1612: void Pdpm_sp(NODE arg,DPM *rp)
                   1613: {
1.108   ! noro     1614:   DPM  p1,p2;
1.105     noro     1615:
1.108   ! noro     1616:   do_weyl = 0;
        !          1617:   p1 = (DPM)ARG0(arg); p2 = (DPM)ARG1(arg);
        !          1618:   asir_assert(p1,O_DPM,"dpm_sp"); asir_assert(p2,O_DPM,"dpm_sp");
        !          1619:   dpm_sp(p1,p2,rp);
1.105     noro     1620: }
                   1621:
                   1622: void Pdpm_weyl_sp(NODE arg,DPM *rp)
                   1623: {
1.108   ! noro     1624:   DPM p1,p2;
1.105     noro     1625:
1.108   ! noro     1626:   p1 = (DPM)ARG0(arg); p2 = (DPM)ARG1(arg);
        !          1627:   asir_assert(p1,O_DPM,"dpm_weyl_sp"); asir_assert(p2,O_DPM,"dpm_weyl_sp");
        !          1628:   do_weyl = 1;
        !          1629:   dpm_sp(p1,p2,rp);
        !          1630:   do_weyl = 0;
1.105     noro     1631: }
                   1632:
1.97      noro     1633: void Pdp_sp_mod(NODE arg,DP *rp)
1.1       noro     1634: {
1.108   ! noro     1635:   DP p1,p2;
        !          1636:   int mod;
1.1       noro     1637:
1.108   ! noro     1638:   do_weyl = 0;
        !          1639:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
        !          1640:   asir_assert(p1,O_DP,"dp_sp_mod"); asir_assert(p2,O_DP,"dp_sp_mod");
        !          1641:   asir_assert(ARG2(arg),O_N,"dp_sp_mod");
        !          1642:   mod = QTOS((Q)ARG2(arg));
        !          1643:   dp_sp_mod(p1,p2,mod,rp);
1.1       noro     1644: }
                   1645:
1.97      noro     1646: void Pdp_lcm(NODE arg,DP *rp)
1.1       noro     1647: {
1.108   ! noro     1648:   int i,n,td;
        !          1649:   DL d1,d2,d;
        !          1650:   MP m;
        !          1651:   DP p1,p2;
        !          1652:
        !          1653:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
        !          1654:   asir_assert(p1,O_DP,"dp_lcm"); asir_assert(p2,O_DP,"dp_lcm");
        !          1655:   n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl;
        !          1656:   NEWDL(d,n);
        !          1657:   for ( i = 0, td = 0; i < n; i++ ) {
        !          1658:     d->d[i] = MAX(d1->d[i],d2->d[i]); td += MUL_WEIGHT(d->d[i],i);
        !          1659:   }
        !          1660:   d->td = td;
        !          1661:   NEWMP(m); m->dl = d; m->c = (Obj)ONE; NEXT(m) = 0;
        !          1662:   MKDP(n,m,*rp); (*rp)->sugar = td;  /* XXX */
1.1       noro     1663: }
                   1664:
1.97      noro     1665: void Pdp_hm(NODE arg,DP *rp)
1.1       noro     1666: {
1.108   ! noro     1667:   DP p;
1.1       noro     1668:
1.108   ! noro     1669:   p = (DP)ARG0(arg); asir_assert(p,O_DP,"dp_hm");
        !          1670:   dp_hm(p,rp);
1.1       noro     1671: }
                   1672:
1.97      noro     1673: void Pdp_ht(NODE arg,DP *rp)
1.1       noro     1674: {
1.108   ! noro     1675:   DP p;
        !          1676:   MP m,mr;
1.1       noro     1677:
1.108   ! noro     1678:   p = (DP)ARG0(arg); asir_assert(p,O_DP,"dp_ht");
        !          1679:   dp_ht(p,rp);
1.1       noro     1680: }
                   1681:
1.105     noro     1682: void Pdp_hc(NODE arg,Obj *rp)
1.1       noro     1683: {
1.108   ! noro     1684:   asir_assert(ARG0(arg),O_DP,"dp_hc");
        !          1685:   if ( !ARG0(arg) )
        !          1686:     *rp = 0;
        !          1687:   else
        !          1688:     *rp = BDY((DP)ARG0(arg))->c;
1.1       noro     1689: }
                   1690:
1.97      noro     1691: void Pdp_rest(NODE arg,DP *rp)
1.1       noro     1692: {
1.108   ! noro     1693:   asir_assert(ARG0(arg),O_DP,"dp_rest");
        !          1694:   if ( !ARG0(arg) )
        !          1695:     *rp = 0;
        !          1696:   else
        !          1697:     dp_rest((DP)ARG0(arg),rp);
1.1       noro     1698: }
                   1699:
1.97      noro     1700: void Pdp_td(NODE arg,Q *rp)
1.1       noro     1701: {
1.108   ! noro     1702:   DP p;
1.1       noro     1703:
1.108   ! noro     1704:   p = (DP)ARG0(arg); asir_assert(p,O_DP,"dp_td");
        !          1705:   if ( !p )
        !          1706:     *rp = 0;
        !          1707:   else
        !          1708:     STOQ(BDY(p)->dl->td,*rp);
1.1       noro     1709: }
                   1710:
1.97      noro     1711: void Pdp_sugar(NODE arg,Q *rp)
1.1       noro     1712: {
1.108   ! noro     1713:   DP p;
1.1       noro     1714:
1.108   ! noro     1715:   p = (DP)ARG0(arg); asir_assert(p,O_DP,"dp_sugar");
        !          1716:   if ( !p )
        !          1717:     *rp = 0;
        !          1718:   else
        !          1719:     STOQ(p->sugar,*rp);
1.30      ohara    1720: }
                   1721:
1.97      noro     1722: void Pdp_initial_term(NODE arg,Obj *rp)
1.49      noro     1723: {
1.108   ! noro     1724:   struct order_spec *ord;
        !          1725:   Num homo;
        !          1726:   int modular,is_list;
        !          1727:   LIST v,f,l,initiallist;
        !          1728:   NODE n;
        !          1729:
        !          1730:   f = (LIST)ARG0(arg);
        !          1731:   if ( f && OID(f) == O_LIST )
        !          1732:     is_list = 1;
        !          1733:   else {
        !          1734:     n = mknode(1,f); MKLIST(l,n); f = l;
        !          1735:     is_list = 0;
        !          1736:   }
        !          1737:   if ( current_option ) {
        !          1738:     parse_gr_option(f,current_option,&v,&homo,&modular,&ord);
        !          1739:     initd(ord);
        !          1740:   } else
        !          1741:     ord = dp_current_spec;
        !          1742:   initiallist = dp_initial_term(f,ord);
        !          1743:   if ( !is_list )
        !          1744:     *rp = (Obj)BDY(BDY(initiallist));
        !          1745:   else
        !          1746:     *rp = (Obj)initiallist;
1.49      noro     1747: }
                   1748:
1.97      noro     1749: void Pdp_order(NODE arg,Obj *rp)
1.49      noro     1750: {
1.108   ! noro     1751:   struct order_spec *ord;
        !          1752:   Num homo;
        !          1753:   int modular,is_list;
        !          1754:   LIST v,f,l,ordlist;
        !          1755:   NODE n;
        !          1756:
        !          1757:   f = (LIST)ARG0(arg);
        !          1758:   if ( f && OID(f) == O_LIST )
        !          1759:     is_list = 1;
        !          1760:   else {
        !          1761:     n = mknode(1,f); MKLIST(l,n); f = l;
        !          1762:     is_list = 0;
        !          1763:   }
        !          1764:   if ( current_option ) {
        !          1765:     parse_gr_option(f,current_option,&v,&homo,&modular,&ord);
        !          1766:     initd(ord);
        !          1767:   } else
        !          1768:     ord = dp_current_spec;
        !          1769:   ordlist = dp_order(f,ord);
        !          1770:   if ( !is_list )
        !          1771:     *rp = (Obj)BDY(BDY(ordlist));
        !          1772:   else
        !          1773:     *rp = (Obj)ordlist;
1.49      noro     1774: }
                   1775:
1.97      noro     1776: void Pdp_set_sugar(NODE arg,Q *rp)
1.30      ohara    1777: {
1.108   ! noro     1778:   DP p;
        !          1779:   Q q;
        !          1780:   int i;
        !          1781:
        !          1782:   p = (DP)ARG0(arg);
        !          1783:   q = (Q)ARG1(arg);
        !          1784:   if ( p && q) {
        !          1785:     asir_assert(p,O_DP,"dp_set_sugar");
        !          1786:     asir_assert(q,O_N, "dp_set_sugar");
        !          1787:     i = QTOS(q);
        !          1788:     if (p->sugar < i) {
        !          1789:       p->sugar = i;
        !          1790:     }
        !          1791:   }
        !          1792:   *rp = 0;
1.1       noro     1793: }
                   1794:
1.97      noro     1795: void Pdp_cri1(NODE arg,Q *rp)
1.1       noro     1796: {
1.108   ! noro     1797:   DP p1,p2;
        !          1798:   int *d1,*d2;
        !          1799:   int i,n;
        !          1800:
        !          1801:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
        !          1802:   asir_assert(p1,O_DP,"dp_cri1"); asir_assert(p2,O_DP,"dp_cri1");
        !          1803:   n = p1->nv; d1 = BDY(p1)->dl->d; d2 = BDY(p2)->dl->d;
        !          1804:   for ( i = 0; i < n; i++ )
        !          1805:     if ( d1[i] > d2[i] )
        !          1806:       break;
        !          1807:   *rp = i == n ? ONE : 0;
1.1       noro     1808: }
                   1809:
1.97      noro     1810: void Pdp_cri2(NODE arg,Q *rp)
1.1       noro     1811: {
1.108   ! noro     1812:   DP p1,p2;
        !          1813:   int *d1,*d2;
        !          1814:   int i,n;
        !          1815:
        !          1816:   p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg);
        !          1817:   asir_assert(p1,O_DP,"dp_cri2"); asir_assert(p2,O_DP,"dp_cri2");
        !          1818:   n = p1->nv; d1 = BDY(p1)->dl->d; d2 = BDY(p2)->dl->d;
        !          1819:   for ( i = 0; i < n; i++ )
        !          1820:     if ( MIN(d1[i],d2[i]) >= 1 )
        !          1821:       break;
        !          1822:   *rp = i == n ? ONE : 0;
1.1       noro     1823: }
                   1824:
1.97      noro     1825: void Pdp_minp(NODE arg,LIST *rp)
1.1       noro     1826: {
1.108   ! noro     1827:   NODE tn,tn1,d,dd,dd0,p,tp;
        !          1828:   LIST l,minp;
        !          1829:   DP lcm,tlcm;
        !          1830:   int s,ts;
        !          1831:
        !          1832:   asir_assert(ARG0(arg),O_LIST,"dp_minp");
        !          1833:   d = BDY((LIST)ARG0(arg)); minp = (LIST)BDY(d);
        !          1834:   p = BDY(minp); p = NEXT(NEXT(p)); lcm = (DP)BDY(p); p = NEXT(p);
        !          1835:   if ( !ARG1(arg) ) {
        !          1836:     s = QTOS((Q)BDY(p)); p = NEXT(p);
        !          1837:     for ( dd0 = 0, d = NEXT(d); d; d = NEXT(d) ) {
        !          1838:       tp = BDY((LIST)BDY(d)); tp = NEXT(NEXT(tp));
        !          1839:       tlcm = (DP)BDY(tp); tp = NEXT(tp);
        !          1840:       ts = QTOS((Q)BDY(tp)); tp = NEXT(tp);
        !          1841:       NEXTNODE(dd0,dd);
        !          1842:       if ( ts < s ) {
        !          1843:         BDY(dd) = (pointer)minp;
        !          1844:         minp = (LIST)BDY(d); lcm = tlcm; s = ts;
        !          1845:       } else if ( ts == s ) {
        !          1846:         if ( compd(CO,lcm,tlcm) > 0 ) {
        !          1847:           BDY(dd) = (pointer)minp;
        !          1848:           minp = (LIST)BDY(d); lcm = tlcm; s = ts;
        !          1849:         } else
        !          1850:           BDY(dd) = BDY(d);
        !          1851:       } else
        !          1852:         BDY(dd) = BDY(d);
        !          1853:     }
        !          1854:   } else {
        !          1855:     for ( dd0 = 0, d = NEXT(d); d; d = NEXT(d) ) {
        !          1856:       tp = BDY((LIST)BDY(d)); tp = NEXT(NEXT(tp));
        !          1857:       tlcm = (DP)BDY(tp);
        !          1858:       NEXTNODE(dd0,dd);
        !          1859:       if ( compd(CO,lcm,tlcm) > 0 ) {
        !          1860:         BDY(dd) = (pointer)minp; minp = (LIST)BDY(d); lcm = tlcm;
        !          1861:       } else
        !          1862:         BDY(dd) = BDY(d);
        !          1863:     }
        !          1864:   }
        !          1865:   if ( dd0 )
        !          1866:     NEXT(dd) = 0;
        !          1867:   MKLIST(l,dd0); MKNODE(tn,l,0); MKNODE(tn1,minp,tn); MKLIST(*rp,tn1);
1.1       noro     1868: }
                   1869:
1.97      noro     1870: void Pdp_criB(NODE arg,LIST *rp)
1.1       noro     1871: {
1.108   ! noro     1872:   NODE d,ij,dd,ddd;
        !          1873:   int i,j,s,n;
        !          1874:   DP *ps;
        !          1875:   DL ts,ti,tj,lij,tdl;
        !          1876:
        !          1877:   asir_assert(ARG0(arg),O_LIST,"dp_criB"); d = BDY((LIST)ARG0(arg));
        !          1878:   asir_assert(ARG1(arg),O_N,"dp_criB"); s = QTOS((Q)ARG1(arg));
        !          1879:   asir_assert(ARG2(arg),O_VECT,"dp_criB"); ps = (DP *)BDY((VECT)ARG2(arg));
        !          1880:   if ( !d )
        !          1881:     *rp = (LIST)ARG0(arg);
        !          1882:   else {
        !          1883:     ts = BDY(ps[s])->dl;
        !          1884:     n = ps[s]->nv;
        !          1885:     NEWDL(tdl,n);
        !          1886:     for ( dd = 0; d; d = NEXT(d) ) {
        !          1887:       ij = BDY((LIST)BDY(d));
        !          1888:       i = QTOS((Q)BDY(ij)); ij = NEXT(ij);
        !          1889:       j = QTOS((Q)BDY(ij)); ij = NEXT(ij);
        !          1890:       lij = BDY((DP)BDY(ij))->dl;
        !          1891:       ti = BDY(ps[i])->dl; tj = BDY(ps[j])->dl;
        !          1892:       if ( lij->td != lcm_of_DL(n,lij,ts,tdl)->td
        !          1893:         || !dl_equal(n,lij,tdl)
        !          1894:         || (lij->td == lcm_of_DL(n,ti,ts,tdl)->td
        !          1895:           && dl_equal(n,tdl,lij))
        !          1896:         || (lij->td == lcm_of_DL(n,tj,ts,tdl)->td
        !          1897:           && dl_equal(n,tdl,lij)) ) {
        !          1898:         MKNODE(ddd,BDY(d),dd);
        !          1899:         dd = ddd;
        !          1900:       }
        !          1901:     }
        !          1902:     MKLIST(*rp,dd);
        !          1903:   }
1.1       noro     1904: }
                   1905:
1.97      noro     1906: void Pdp_nelim(NODE arg,Q *rp)
1.1       noro     1907: {
1.108   ! noro     1908:   if ( arg ) {
        !          1909:     asir_assert(ARG0(arg),O_N,"dp_nelim");
        !          1910:     dp_nelim = QTOS((Q)ARG0(arg));
        !          1911:   }
        !          1912:   STOQ(dp_nelim,*rp);
1.1       noro     1913: }
                   1914:
1.97      noro     1915: void Pdp_mag(NODE arg,Q *rp)
1.1       noro     1916: {
1.108   ! noro     1917:   DP p;
        !          1918:   int s;
        !          1919:   MP m;
        !          1920:
        !          1921:   p = (DP)ARG0(arg);
        !          1922:   asir_assert(p,O_DP,"dp_mag");
        !          1923:   if ( !p )
        !          1924:     *rp = 0;
        !          1925:   else {
        !          1926:     for ( s = 0, m = BDY(p); m; m = NEXT(m) )
        !          1927:       s += p_mag((P)m->c);
        !          1928:     STOQ(s,*rp);
        !          1929:   }
1.1       noro     1930: }
                   1931:
                   1932: extern int kara_mag;
                   1933:
1.97      noro     1934: void Pdp_set_kara(NODE arg,Q *rp)
1.1       noro     1935: {
1.108   ! noro     1936:   if ( arg ) {
        !          1937:     asir_assert(ARG0(arg),O_N,"dp_set_kara");
        !          1938:     kara_mag = QTOS((Q)ARG0(arg));
        !          1939:   }
        !          1940:   STOQ(kara_mag,*rp);
1.1       noro     1941: }
                   1942:
1.97      noro     1943: void Pdp_homo(NODE arg,DP *rp)
1.1       noro     1944: {
1.108   ! noro     1945:   asir_assert(ARG0(arg),O_DP,"dp_homo");
        !          1946:   dp_homo((DP)ARG0(arg),rp);
1.1       noro     1947: }
                   1948:
1.97      noro     1949: void Pdp_dehomo(NODE arg,DP *rp)
1.1       noro     1950: {
1.108   ! noro     1951:   asir_assert(ARG0(arg),O_DP,"dp_dehomo");
        !          1952:   dp_dehomo((DP)ARG0(arg),rp);
1.8       noro     1953: }
                   1954:
1.97      noro     1955: void Pdp_gr_flags(NODE arg,LIST *rp)
1.8       noro     1956: {
1.108   ! noro     1957:   Obj name,value;
        !          1958:   NODE n;
1.1       noro     1959:
1.108   ! noro     1960:   if ( arg ) {
        !          1961:     asir_assert(ARG0(arg),O_LIST,"dp_gr_flags");
        !          1962:     n = BDY((LIST)ARG0(arg));
        !          1963:     while ( n ) {
        !          1964:       name = (Obj)BDY(n); n = NEXT(n);
        !          1965:       if ( !n )
        !          1966:         break;
        !          1967:       else {
        !          1968:         value = (Obj)BDY(n); n = NEXT(n);
        !          1969:       }
        !          1970:       dp_set_flag(name,value);
        !          1971:     }
        !          1972:   }
        !          1973:   dp_make_flaglist(rp);
1.8       noro     1974: }
                   1975:
1.29      noro     1976: extern int DP_Print, DP_PrintShort;
1.8       noro     1977:
1.97      noro     1978: void Pdp_gr_print(NODE arg,Q *rp)
1.8       noro     1979: {
1.108   ! noro     1980:   Q q;
        !          1981:   int s;
1.8       noro     1982:
1.108   ! noro     1983:   if ( arg ) {
        !          1984:     asir_assert(ARG0(arg),O_N,"dp_gr_print");
        !          1985:     q = (Q)ARG0(arg);
        !          1986:     s = QTOS(q);
        !          1987:     switch ( s ) {
        !          1988:       case 0:
        !          1989:         DP_Print = 0; DP_PrintShort = 0;
        !          1990:         break;
        !          1991:       case 1:
        !          1992:         DP_Print = 1;
        !          1993:         break;
        !          1994:       case 2:
        !          1995:         DP_Print = 0; DP_PrintShort = 1;
        !          1996:         break;
        !          1997:       default:
        !          1998:         DP_Print = s; DP_PrintShort = 0;
        !          1999:         break;
        !          2000:     }
        !          2001:   } else {
        !          2002:     if ( DP_Print )  {
        !          2003:       STOQ(1,q);
        !          2004:     } else if ( DP_PrintShort ) {
        !          2005:       STOQ(2,q);
        !          2006:     } else
        !          2007:       q = 0;
        !          2008:   }
        !          2009:   *rp = q;
1.1       noro     2010: }
                   2011:
1.46      noro     2012: void parse_gr_option(LIST f,NODE opt,LIST *v,Num *homo,
1.108   ! noro     2013:   int *modular,struct order_spec **ord)
1.46      noro     2014: {
1.108   ! noro     2015:   NODE t,p;
        !          2016:   Q m;
        !          2017:   char *key;
        !          2018:   Obj value,dmy;
        !          2019:   int ord_is_set = 0;
        !          2020:   int modular_is_set = 0;
        !          2021:   int homo_is_set = 0;
        !          2022:   VL vl,vl0;
        !          2023:   LIST vars;
        !          2024:   char xiname[BUFSIZ];
        !          2025:   NODE x0,x;
        !          2026:   DP d;
        !          2027:   P xi;
        !          2028:   int nv,i;
        !          2029:
        !          2030:   /* extract vars */
        !          2031:   vars = 0;
        !          2032:   for ( t = opt; t; t = NEXT(t) ) {
        !          2033:     p = BDY((LIST)BDY(t));
        !          2034:     key = BDY((STRING)BDY(p));
        !          2035:     value = (Obj)BDY(NEXT(p));
        !          2036:     if ( !strcmp(key,"v") ) {
        !          2037:       /* variable list */
        !          2038:       vars = (LIST)value;
        !          2039:       break;
        !          2040:     }
        !          2041:   }
        !          2042:   if ( vars ) {
        !          2043:     *v = vars; pltovl(vars,&vl);
        !          2044:   } else {
        !          2045:     for ( t = BDY(f); t; t = NEXT(t) )
        !          2046:       if ( BDY(t) && OID((Obj)BDY(t))==O_DP )
        !          2047:         break;
        !          2048:     if ( t ) {
        !          2049:       /* f is DP list */
        !          2050:       /* create dummy var list */
        !          2051:       d = (DP)BDY(t);
        !          2052:       nv = NV(d);
        !          2053:       for ( i = 0, vl0 = 0, x0 = 0; i < nv; i++ ) {
        !          2054:         NEXTVL(vl0,vl);
        !          2055:         NEXTNODE(x0,x);
        !          2056:         sprintf(xiname,"x%d",i);
        !          2057:         makevar(xiname,&xi);
        !          2058:         x->body = (pointer)xi;
        !          2059:         vl->v = VR((P)xi);
        !          2060:       }
        !          2061:       if ( vl0 ) {
        !          2062:         NEXT(vl) = 0;
        !          2063:         NEXT(x) = 0;
        !          2064:       }
        !          2065:       MKLIST(vars,x0);
        !          2066:       *v = vars;
        !          2067:       vl = vl0;
        !          2068:     } else {
        !          2069:       get_vars((Obj)f,&vl); vltopl(vl,v);
        !          2070:     }
        !          2071:   }
        !          2072:
        !          2073:   for ( t = opt; t; t = NEXT(t) ) {
        !          2074:     p = BDY((LIST)BDY(t));
        !          2075:     key = BDY((STRING)BDY(p));
        !          2076:     value = (Obj)BDY(NEXT(p));
        !          2077:     if ( !strcmp(key,"v") ) {
        !          2078:       /* variable list; ignore */
        !          2079:     } else if ( !strcmp(key,"order") ) {
        !          2080:       /* order spec */
        !          2081:       if ( !vl )
        !          2082:         error("parse_gr_option : variables must be specified");
        !          2083:       create_order_spec(vl,value,ord);
        !          2084:       ord_is_set = 1;
        !          2085:     } else if ( !strcmp(key,"block") ) {
        !          2086:       create_order_spec(0,value,ord);
        !          2087:       ord_is_set = 1;
        !          2088:     } else if ( !strcmp(key,"matrix") ) {
        !          2089:       create_order_spec(0,value,ord);
        !          2090:       ord_is_set = 1;
        !          2091:     } else if ( !strcmp(key,"sugarweight") ) {
        !          2092:       /* weight */
        !          2093:       Pdp_set_weight(NEXT(p),&dmy);
        !          2094:     } else if ( !strcmp(key,"homo") ) {
        !          2095:       *homo = (Num)value;
        !          2096:       homo_is_set = 1;
        !          2097:     } else if ( !strcmp(key,"trace") ) {
        !          2098:       m = (Q)value;
        !          2099:       if ( !m )
        !          2100:         *modular = 0;
        !          2101:       else if ( PL(NM(m))>1 || (PL(NM(m)) == 1
        !          2102:         && BD(NM(m))[0] >= 0x80000000) )
        !          2103:         error("parse_gr_option : too large modulus");
        !          2104:       else
        !          2105:         *modular = QTOS(m);
        !          2106:       modular_is_set = 1;
        !          2107:     } else if ( !strcmp(key,"dp") ) {
1.104     noro     2108:       /* XXX : ignore */
1.108   ! noro     2109:     } else
        !          2110:       error("parse_gr_option : not implemented");
        !          2111:   }
        !          2112:   if ( !ord_is_set ) create_order_spec(0,0,ord);
        !          2113:   if ( !modular_is_set ) *modular = 0;
        !          2114:   if ( !homo_is_set ) *homo = 0;
1.46      noro     2115: }
                   2116:
1.97      noro     2117: void Pdp_gr_main(NODE arg,LIST *rp)
1.1       noro     2118: {
1.108   ! noro     2119:   LIST f,v;
        !          2120:   VL vl;
        !          2121:   Num homo;
        !          2122:   Q m;
        !          2123:   int modular,ac;
        !          2124:   struct order_spec *ord;
        !          2125:
        !          2126:   do_weyl = 0;
        !          2127:   asir_assert(ARG0(arg),O_LIST,"dp_gr_main");
        !          2128:   f = (LIST)ARG0(arg);
        !          2129:   f = remove_zero_from_list(f);
        !          2130:   if ( !BDY(f) ) {
        !          2131:     *rp = f; return;
        !          2132:   }
        !          2133:   if ( (ac = argc(arg)) == 5 ) {
        !          2134:     asir_assert(ARG1(arg),O_LIST,"dp_gr_main");
        !          2135:     asir_assert(ARG2(arg),O_N,"dp_gr_main");
        !          2136:     asir_assert(ARG3(arg),O_N,"dp_gr_main");
        !          2137:     v = (LIST)ARG1(arg);
        !          2138:     homo = (Num)ARG2(arg);
        !          2139:     m = (Q)ARG3(arg);
        !          2140:     if ( !m )
        !          2141:       modular = 0;
        !          2142:     else if ( PL(NM(m))>1 || (PL(NM(m)) == 1 && BD(NM(m))[0] >= 0x80000000) )
        !          2143:       error("dp_gr_main : too large modulus");
        !          2144:     else
        !          2145:       modular = QTOS(m);
        !          2146:     create_order_spec(0,ARG4(arg),&ord);
        !          2147:   } else if ( current_option )
        !          2148:     parse_gr_option(f,current_option,&v,&homo,&modular,&ord);
        !          2149:   else if ( ac == 1 )
        !          2150:     parse_gr_option(f,0,&v,&homo,&modular,&ord);
        !          2151:   else
        !          2152:     error("dp_gr_main : invalid argument");
        !          2153:   dp_gr_main(f,v,homo,modular,0,ord,rp);
1.63      noro     2154: }
                   2155:
1.97      noro     2156: void Pdp_interreduce(NODE arg,LIST *rp)
1.63      noro     2157: {
1.108   ! noro     2158:   LIST f,v;
        !          2159:   VL vl;
        !          2160:   int ac;
        !          2161:   struct order_spec *ord;
        !          2162:
        !          2163:   do_weyl = 0;
        !          2164:   asir_assert(ARG0(arg),O_LIST,"dp_interreduce");
        !          2165:   f = (LIST)ARG0(arg);
        !          2166:   f = remove_zero_from_list(f);
        !          2167:   if ( !BDY(f) ) {
        !          2168:     *rp = f; return;
        !          2169:   }
        !          2170:   if ( (ac = argc(arg)) == 3 ) {
        !          2171:     asir_assert(ARG1(arg),O_LIST,"dp_interreduce");
        !          2172:     v = (LIST)ARG1(arg);
        !          2173:     create_order_spec(0,ARG2(arg),&ord);
        !          2174:   }
        !          2175:   dp_interreduce(f,v,0,ord,rp);
1.16      noro     2176: }
                   2177:
1.97      noro     2178: void Pdp_gr_f_main(NODE arg,LIST *rp)
1.16      noro     2179: {
1.108   ! noro     2180:   LIST f,v;
        !          2181:   Num homo;
        !          2182:   int m,field,t;
        !          2183:   struct order_spec *ord;
        !          2184:   NODE n;
        !          2185:
        !          2186:   do_weyl = 0;
        !          2187:   asir_assert(ARG0(arg),O_LIST,"dp_gr_f_main");
        !          2188:   asir_assert(ARG1(arg),O_LIST,"dp_gr_f_main");
        !          2189:   asir_assert(ARG2(arg),O_N,"dp_gr_f_main");
        !          2190:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2191:   f = remove_zero_from_list(f);
        !          2192:   if ( !BDY(f) ) {
        !          2193:     *rp = f; return;
        !          2194:   }
        !          2195:   homo = (Num)ARG2(arg);
1.27      noro     2196: #if 0
1.108   ! noro     2197:   asir_assert(ARG3(arg),O_N,"dp_gr_f_main");
        !          2198:   m = QTOS((Q)ARG3(arg));
        !          2199:   if ( m )
        !          2200:     error("dp_gr_f_main : trace lifting is not implemented yet");
        !          2201:   create_order_spec(0,ARG4(arg),&ord);
1.27      noro     2202: #else
1.108   ! noro     2203:   m = 0;
        !          2204:   create_order_spec(0,ARG3(arg),&ord);
1.27      noro     2205: #endif
1.108   ! noro     2206:   field = 0;
        !          2207:   for ( n = BDY(f); n; n = NEXT(n) ) {
        !          2208:     t = get_field_type(BDY(n));
        !          2209:     if ( !t )
        !          2210:       continue;
        !          2211:     if ( t < 0 )
        !          2212:       error("dp_gr_f_main : incosistent coefficients");
        !          2213:     if ( !field )
        !          2214:       field = t;
        !          2215:     else if ( t != field )
        !          2216:       error("dp_gr_f_main : incosistent coefficients");
        !          2217:   }
        !          2218:   dp_gr_main(f,v,homo,m?1:0,field,ord,rp);
1.1       noro     2219: }
                   2220:
1.97      noro     2221: void Pdp_f4_main(NODE arg,LIST *rp)
1.1       noro     2222: {
1.108   ! noro     2223:   LIST f,v;
        !          2224:   struct order_spec *ord;
1.1       noro     2225:
1.108   ! noro     2226:   do_weyl = 0;
        !          2227:   asir_assert(ARG0(arg),O_LIST,"dp_f4_main");
        !          2228:   asir_assert(ARG1(arg),O_LIST,"dp_f4_main");
        !          2229:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2230:   f = remove_zero_from_list(f);
        !          2231:   if ( !BDY(f) ) {
        !          2232:     *rp = f; return;
        !          2233:   }
        !          2234:   create_order_spec(0,ARG2(arg),&ord);
        !          2235:   dp_f4_main(f,v,ord,rp);
1.22      noro     2236: }
                   2237:
                   2238: /* dp_gr_checklist(list of dp) */
                   2239:
1.97      noro     2240: void Pdp_gr_checklist(NODE arg,LIST *rp)
1.22      noro     2241: {
1.108   ! noro     2242:   VECT g;
        !          2243:   LIST dp;
        !          2244:   NODE r;
        !          2245:   int n;
        !          2246:
        !          2247:   do_weyl = 0;
        !          2248:   asir_assert(ARG0(arg),O_LIST,"dp_gr_checklist");
        !          2249:   asir_assert(ARG1(arg),O_N,"dp_gr_checklist");
        !          2250:   n = QTOS((Q)ARG1(arg));
        !          2251:   gbcheck_list(BDY((LIST)ARG0(arg)),n,&g,&dp);
        !          2252:   r = mknode(2,g,dp);
        !          2253:   MKLIST(*rp,r);
1.1       noro     2254: }
                   2255:
1.97      noro     2256: void Pdp_f4_mod_main(NODE arg,LIST *rp)
1.1       noro     2257: {
1.108   ! noro     2258:   LIST f,v;
        !          2259:   int m;
        !          2260:   struct order_spec *ord;
        !          2261:
        !          2262:   do_weyl = 0;
        !          2263:   asir_assert(ARG0(arg),O_LIST,"dp_f4_mod_main");
        !          2264:   asir_assert(ARG1(arg),O_LIST,"dp_f4_mod_main");
        !          2265:   asir_assert(ARG2(arg),O_N,"dp_f4_mod_main");
        !          2266:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); m = QTOS((Q)ARG2(arg));
        !          2267:   f = remove_zero_from_list(f);
        !          2268:   if ( !BDY(f) ) {
        !          2269:     *rp = f; return;
        !          2270:   }
        !          2271:   if ( !m )
        !          2272:     error("dp_f4_mod_main : invalid argument");
        !          2273:   create_order_spec(0,ARG3(arg),&ord);
        !          2274:   dp_f4_mod_main(f,v,m,ord,rp);
1.8       noro     2275: }
1.1       noro     2276:
1.97      noro     2277: void Pdp_gr_mod_main(NODE arg,LIST *rp)
1.8       noro     2278: {
1.108   ! noro     2279:   LIST f,v;
        !          2280:   Num homo;
        !          2281:   int m;
        !          2282:   struct order_spec *ord;
        !          2283:
        !          2284:   do_weyl = 0;
        !          2285:   asir_assert(ARG0(arg),O_LIST,"dp_gr_mod_main");
        !          2286:   asir_assert(ARG1(arg),O_LIST,"dp_gr_mod_main");
        !          2287:   asir_assert(ARG2(arg),O_N,"dp_gr_mod_main");
        !          2288:   asir_assert(ARG3(arg),O_N,"dp_gr_mod_main");
        !          2289:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2290:   f = remove_zero_from_list(f);
        !          2291:   if ( !BDY(f) ) {
        !          2292:     *rp = f; return;
        !          2293:   }
        !          2294:   homo = (Num)ARG2(arg); m = QTOS((Q)ARG3(arg));
        !          2295:   if ( !m )
        !          2296:     error("dp_gr_mod_main : invalid argument");
        !          2297:   create_order_spec(0,ARG4(arg),&ord);
        !          2298:   dp_gr_mod_main(f,v,homo,m,ord,rp);
1.33      noro     2299: }
                   2300:
1.97      noro     2301: void Pnd_f4(NODE arg,LIST *rp)
1.40      noro     2302: {
1.108   ! noro     2303:   LIST f,v;
        !          2304:   int m,homo,retdp,ac;
        !          2305:   Obj val;
1.103     noro     2306:   Q mq;
                   2307:   Num nhomo;
                   2308:   NODE node;
1.108   ! noro     2309:   struct order_spec *ord;
1.40      noro     2310:
1.108   ! noro     2311:   do_weyl = 0;
        !          2312:   nd_rref2 = 0;
1.103     noro     2313:   retdp = 0;
                   2314:   if ( (ac = argc(arg)) == 4 ) {
1.108   ! noro     2315:     asir_assert(ARG0(arg),O_LIST,"nd_f4");
        !          2316:     asir_assert(ARG1(arg),O_LIST,"nd_f4");
        !          2317:     asir_assert(ARG2(arg),O_N,"nd_f4");
        !          2318:     f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2319:     f = remove_zero_from_list(f);
        !          2320:     if ( !BDY(f) ) {
        !          2321:       *rp = f; return;
        !          2322:     }
1.103     noro     2323:       mq = (Q)ARG2(arg);
1.107     noro     2324:       if ( mq && (PL(NM(mq)) > 1 || BD(NM(mq))[0] >= (1<<31)) ) {
1.103     noro     2325:         node = mknode(1,mq);
                   2326:         Psetmod_ff(node,&val);
                   2327:         m = -2;
1.101     noro     2328:     } else
                   2329:       m = QTOS(mq);
1.108   ! noro     2330:     create_order_spec(0,ARG3(arg),&ord);
        !          2331:     homo = 0;
        !          2332:     if ( get_opt("homo",&val) && val ) homo = 1;
        !          2333:     if ( get_opt("dp",&val) && val ) retdp = 1;
        !          2334:     if ( get_opt("rref2",&val) && val ) nd_rref2 = 1;
1.103     noro     2335:   } else if ( ac == 1 ) {
1.108   ! noro     2336:     f = (LIST)ARG0(arg);
        !          2337:     parse_gr_option(f,current_option,&v,&nhomo,&m,&ord);
1.103     noro     2338:     homo = QTOS((Q)nhomo);
1.108   ! noro     2339:     if ( get_opt("dp",&val) && val ) retdp = 1;
        !          2340:     if ( get_opt("rref2",&val) && val ) nd_rref2 = 1;
1.103     noro     2341:   } else
                   2342:     error("nd_f4 : invalid argument");
1.108   ! noro     2343:   nd_gr(f,v,m,homo,retdp,1,ord,rp);
1.40      noro     2344: }
                   2345:
1.97      noro     2346: void Pnd_gr(NODE arg,LIST *rp)
1.33      noro     2347: {
1.108   ! noro     2348:   LIST f,v;
        !          2349:   int m,homo,retdp,ac;
        !          2350:   Obj val;
1.103     noro     2351:   Q mq;
                   2352:   Num nhomo;
                   2353:   NODE node;
1.108   ! noro     2354:   struct order_spec *ord;
1.33      noro     2355:
1.108   ! noro     2356:   do_weyl = 0;
1.103     noro     2357:   retdp = 0;
                   2358:   if ( (ac=argc(arg)) == 4 ) {
1.108   ! noro     2359:     asir_assert(ARG0(arg),O_LIST,"nd_gr");
        !          2360:     asir_assert(ARG1(arg),O_LIST,"nd_gr");
        !          2361:     asir_assert(ARG2(arg),O_N,"nd_gr");
        !          2362:     f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2363:     f = remove_zero_from_list(f);
        !          2364:     if ( !BDY(f) ) {
        !          2365:       *rp = f; return;
        !          2366:     }
1.103     noro     2367:       mq = (Q)ARG2(arg);
                   2368:       if ( mq && (PL(NM(mq)) > 1 || BD(NM(mq))[0] >= (1<<30)) ) {
                   2369:         node = mknode(1,mq);
                   2370:         Psetmod_ff(node,&val);
                   2371:         m = -2;
                   2372:       } else
                   2373:         m = QTOS(mq);
1.108   ! noro     2374:     create_order_spec(0,ARG3(arg),&ord);
        !          2375:     homo = 0;
        !          2376:     if ( get_opt("homo",&val) && val ) homo = 1;
        !          2377:     if ( get_opt("dp",&val) && val ) retdp = 1;
        !          2378:   } else if ( ac == 1 ) {
        !          2379:     f = (LIST)ARG0(arg);
        !          2380:     parse_gr_option(f,current_option,&v,&nhomo,&m,&ord);
1.103     noro     2381:     homo = QTOS((Q)nhomo);
1.108   ! noro     2382:     if ( get_opt("dp",&val) && val ) retdp = 1;
1.103     noro     2383:   } else
                   2384:     error("nd_gr : invalid argument");
1.108   ! noro     2385:   nd_gr(f,v,m,homo,retdp,0,ord,rp);
1.58      noro     2386: }
                   2387:
1.97      noro     2388: void Pnd_gr_postproc(NODE arg,LIST *rp)
1.58      noro     2389: {
1.108   ! noro     2390:   LIST f,v;
        !          2391:   int m,do_check;
1.102     noro     2392:     Q mq;
                   2393:     Obj val;
                   2394:     NODE node;
1.108   ! noro     2395:   struct order_spec *ord;
1.58      noro     2396:
1.108   ! noro     2397:   do_weyl = 0;
        !          2398:   asir_assert(ARG0(arg),O_LIST,"nd_gr");
        !          2399:   asir_assert(ARG1(arg),O_LIST,"nd_gr");
        !          2400:   asir_assert(ARG2(arg),O_N,"nd_gr");
        !          2401:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2402:   f = remove_zero_from_list(f);
        !          2403:   if ( !BDY(f) ) {
        !          2404:     *rp = f; return;
        !          2405:   }
1.102     noro     2406:     mq = (Q)ARG2(arg);
                   2407:     if ( mq && (PL(NM(mq)) > 1 || BD(NM(mq))[0] >= (1<<30)) ) {
                   2408:       node = mknode(1,mq);
                   2409:       Psetmod_ff(node,&val);
                   2410:       m = -2;
                   2411:     } else
                   2412:       m = QTOS(mq);
1.108   ! noro     2413:   create_order_spec(0,ARG3(arg),&ord);
        !          2414:   do_check = ARG4(arg) ? 1 : 0;
        !          2415:   nd_gr_postproc(f,v,m,ord,do_check,rp);
1.36      noro     2416: }
                   2417:
1.97      noro     2418: void Pnd_gr_recompute_trace(NODE arg,LIST *rp)
1.86      noro     2419: {
1.108   ! noro     2420:   LIST f,v,tlist;
        !          2421:   int m;
        !          2422:   struct order_spec *ord;
        !          2423:
        !          2424:   do_weyl = 0;
        !          2425:   asir_assert(ARG0(arg),O_LIST,"nd_gr_recompute_trace");
        !          2426:   asir_assert(ARG1(arg),O_LIST,"nd_gr_recompute_trace");
        !          2427:   asir_assert(ARG2(arg),O_N,"nd_gr_recompute_trace");
        !          2428:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2429:   m = QTOS((Q)ARG2(arg));
        !          2430:   create_order_spec(0,ARG3(arg),&ord);
        !          2431:   tlist = (LIST)ARG4(arg);
        !          2432:   nd_gr_recompute_trace(f,v,m,ord,tlist,rp);
1.86      noro     2433: }
1.89      noro     2434:
1.90      noro     2435: Obj nd_btog_one(LIST f,LIST v,int m,struct order_spec *ord,LIST tlist,int pos);
                   2436: Obj nd_btog(LIST f,LIST v,int m,struct order_spec *ord,LIST tlist);
                   2437:
1.97      noro     2438: void Pnd_btog(NODE arg,Obj *rp)
1.89      noro     2439: {
1.108   ! noro     2440:   LIST f,v,tlist;
        !          2441:   int m,ac,pos;
        !          2442:   struct order_spec *ord;
        !          2443:
        !          2444:   do_weyl = 0;
        !          2445:   asir_assert(ARG0(arg),O_LIST,"nd_btog");
        !          2446:   asir_assert(ARG1(arg),O_LIST,"nd_btog");
        !          2447:   asir_assert(ARG2(arg),O_N,"nd_btog");
        !          2448:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2449:   m = QTOS((Q)ARG2(arg));
        !          2450:   create_order_spec(0,ARG3(arg),&ord);
        !          2451:   tlist = (LIST)ARG4(arg);
        !          2452:   if ( (ac = argc(arg)) == 6 ) {
        !          2453:     asir_assert(ARG5(arg),O_N,"nd_btog");
        !          2454:     pos = QTOS((Q)ARG5(arg));
        !          2455:     *rp = nd_btog_one(f,v,m,ord,tlist,pos);
        !          2456:   } else if ( ac == 5 )
        !          2457:     *rp = nd_btog(f,v,m,ord,tlist);
        !          2458:   else
        !          2459:     error("nd_btog : argument mismatch");
1.89      noro     2460: }
1.86      noro     2461:
1.97      noro     2462: void Pnd_weyl_gr_postproc(NODE arg,LIST *rp)
1.75      noro     2463: {
1.108   ! noro     2464:   LIST f,v;
        !          2465:   int m,do_check;
        !          2466:   struct order_spec *ord;
        !          2467:
        !          2468:   do_weyl = 1;
        !          2469:   asir_assert(ARG0(arg),O_LIST,"nd_gr");
        !          2470:   asir_assert(ARG1(arg),O_LIST,"nd_gr");
        !          2471:   asir_assert(ARG2(arg),O_N,"nd_gr");
        !          2472:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2473:   f = remove_zero_from_list(f);
        !          2474:   if ( !BDY(f) ) {
        !          2475:     *rp = f; do_weyl = 0; return;
        !          2476:   }
        !          2477:   m = QTOS((Q)ARG2(arg));
        !          2478:   create_order_spec(0,ARG3(arg),&ord);
        !          2479:   do_check = ARG4(arg) ? 1 : 0;
        !          2480:   nd_gr_postproc(f,v,m,ord,do_check,rp);
        !          2481:   do_weyl = 0;
1.75      noro     2482: }
                   2483:
1.97      noro     2484: void Pnd_gr_trace(NODE arg,LIST *rp)
1.36      noro     2485: {
1.108   ! noro     2486:   LIST f,v;
        !          2487:   int m,homo,ac;
1.103     noro     2488:   Num nhomo;
1.108   ! noro     2489:   struct order_spec *ord;
1.36      noro     2490:
1.108   ! noro     2491:   do_weyl = 0;
1.103     noro     2492:   if ( (ac = argc(arg)) == 5 ) {
1.108   ! noro     2493:     asir_assert(ARG0(arg),O_LIST,"nd_gr_trace");
        !          2494:     asir_assert(ARG1(arg),O_LIST,"nd_gr_trace");
        !          2495:     asir_assert(ARG2(arg),O_N,"nd_gr_trace");
        !          2496:     asir_assert(ARG3(arg),O_N,"nd_gr_trace");
        !          2497:     f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2498:     f = remove_zero_from_list(f);
        !          2499:     if ( !BDY(f) ) {
        !          2500:       *rp = f; return;
        !          2501:     }
        !          2502:     homo = QTOS((Q)ARG2(arg));
        !          2503:     m = QTOS((Q)ARG3(arg));
        !          2504:     create_order_spec(0,ARG4(arg),&ord);
1.103     noro     2505:   } else if ( ac == 1 ) {
1.108   ! noro     2506:     f = (LIST)ARG0(arg);
        !          2507:     parse_gr_option(f,current_option,&v,&nhomo,&m,&ord);
1.103     noro     2508:     homo = QTOS((Q)nhomo);
                   2509:   } else
                   2510:     error("nd_gr_trace : invalid argument");
1.108   ! noro     2511:   nd_gr_trace(f,v,m,homo,0,ord,rp);
1.62      noro     2512: }
                   2513:
1.97      noro     2514: void Pnd_f4_trace(NODE arg,LIST *rp)
1.62      noro     2515: {
1.108   ! noro     2516:   LIST f,v;
        !          2517:   int m,homo,ac;
1.103     noro     2518:   Num nhomo;
1.108   ! noro     2519:   struct order_spec *ord;
1.62      noro     2520:
1.108   ! noro     2521:   do_weyl = 0;
1.103     noro     2522:   if ( (ac = argc(arg))==5 ) {
1.108   ! noro     2523:     asir_assert(ARG0(arg),O_LIST,"nd_f4_trace");
        !          2524:     asir_assert(ARG1(arg),O_LIST,"nd_f4_trace");
        !          2525:     asir_assert(ARG2(arg),O_N,"nd_f4_trace");
        !          2526:     asir_assert(ARG3(arg),O_N,"nd_f4_trace");
        !          2527:     f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2528:     f = remove_zero_from_list(f);
        !          2529:     if ( !BDY(f) ) {
        !          2530:       *rp = f; return;
        !          2531:     }
        !          2532:     homo = QTOS((Q)ARG2(arg));
        !          2533:     m = QTOS((Q)ARG3(arg));
        !          2534:     create_order_spec(0,ARG4(arg),&ord);
1.103     noro     2535:   } else if ( ac == 1 ) {
1.108   ! noro     2536:     f = (LIST)ARG0(arg);
        !          2537:     parse_gr_option(f,current_option,&v,&nhomo,&m,&ord);
1.103     noro     2538:     homo = QTOS((Q)nhomo);
                   2539:   } else
                   2540:     error("nd_gr_trace : invalid argument");
1.108   ! noro     2541:   nd_gr_trace(f,v,m,homo,1,ord,rp);
1.11      noro     2542: }
                   2543:
1.97      noro     2544: void Pnd_weyl_gr(NODE arg,LIST *rp)
1.38      noro     2545: {
1.108   ! noro     2546:   LIST f,v;
        !          2547:   int m,homo,retdp,ac;
        !          2548:   Obj val;
1.103     noro     2549:   Num nhomo;
1.108   ! noro     2550:   struct order_spec *ord;
1.38      noro     2551:
1.108   ! noro     2552:   do_weyl = 1;
1.103     noro     2553:   retdp = 0;
                   2554:   if ( (ac = argc(arg)) == 4 ) {
1.108   ! noro     2555:     asir_assert(ARG0(arg),O_LIST,"nd_weyl_gr");
        !          2556:     asir_assert(ARG1(arg),O_LIST,"nd_weyl_gr");
        !          2557:     asir_assert(ARG2(arg),O_N,"nd_weyl_gr");
        !          2558:     f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2559:     f = remove_zero_from_list(f);
        !          2560:     if ( !BDY(f) ) {
        !          2561:       *rp = f; do_weyl = 0; return;
        !          2562:     }
        !          2563:     m = QTOS((Q)ARG2(arg));
        !          2564:     create_order_spec(0,ARG3(arg),&ord);
        !          2565:     homo = 0;
        !          2566:     if ( get_opt("homo",&val) && val ) homo = 1;
        !          2567:     if ( get_opt("dp",&val) && val ) retdp = 1;
1.103     noro     2568:   } else if ( ac == 1 ) {
1.108   ! noro     2569:     f = (LIST)ARG0(arg);
        !          2570:     parse_gr_option(f,current_option,&v,&nhomo,&m,&ord);
1.103     noro     2571:     homo = QTOS((Q)nhomo);
1.108   ! noro     2572:     if ( get_opt("dp",&val) && val ) retdp = 1;
1.103     noro     2573:   } else
                   2574:     error("nd_weyl_gr : invalid argument");
1.108   ! noro     2575:   nd_gr(f,v,m,homo,retdp,0,ord,rp);
        !          2576:   do_weyl = 0;
1.38      noro     2577: }
                   2578:
1.97      noro     2579: void Pnd_weyl_gr_trace(NODE arg,LIST *rp)
1.38      noro     2580: {
1.108   ! noro     2581:   LIST f,v;
        !          2582:   int m,homo,ac;
1.103     noro     2583:   Num nhomo;
1.108   ! noro     2584:   struct order_spec *ord;
1.38      noro     2585:
1.108   ! noro     2586:   do_weyl = 1;
1.103     noro     2587:   if ( (ac = argc(arg)) == 5 ) {
1.108   ! noro     2588:     asir_assert(ARG0(arg),O_LIST,"nd_weyl_gr_trace");
        !          2589:     asir_assert(ARG1(arg),O_LIST,"nd_weyl_gr_trace");
        !          2590:     asir_assert(ARG2(arg),O_N,"nd_weyl_gr_trace");
        !          2591:     asir_assert(ARG3(arg),O_N,"nd_weyl_gr_trace");
        !          2592:     f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2593:     f = remove_zero_from_list(f);
        !          2594:     if ( !BDY(f) ) {
        !          2595:       *rp = f; do_weyl = 0; return;
        !          2596:     }
        !          2597:     homo = QTOS((Q)ARG2(arg));
        !          2598:     m = QTOS((Q)ARG3(arg));
        !          2599:     create_order_spec(0,ARG4(arg),&ord);
1.103     noro     2600:   } else if ( ac == 1 ) {
1.108   ! noro     2601:     f = (LIST)ARG0(arg);
        !          2602:     parse_gr_option(f,current_option,&v,&nhomo,&m,&ord);
1.103     noro     2603:     homo = QTOS((Q)nhomo);
                   2604:   } else
                   2605:     error("nd_weyl_gr_trace : invalid argument");
1.108   ! noro     2606:   nd_gr_trace(f,v,m,homo,0,ord,rp);
        !          2607:   do_weyl = 0;
1.38      noro     2608: }
1.39      noro     2609:
1.83      noro     2610: void Pnd_nf(NODE arg,Obj *rp)
1.39      noro     2611: {
1.108   ! noro     2612:   Obj f;
        !          2613:   LIST g,v;
        !          2614:   struct order_spec *ord;
        !          2615:
        !          2616:   do_weyl = 0;
        !          2617:   asir_assert(ARG1(arg),O_LIST,"nd_nf");
        !          2618:   asir_assert(ARG2(arg),O_LIST,"nd_nf");
        !          2619:   asir_assert(ARG4(arg),O_N,"nd_nf");
        !          2620:   f = (Obj)ARG0(arg);
        !          2621:   g = (LIST)ARG1(arg); g = remove_zero_from_list(g);
        !          2622:   if ( !BDY(g) ) {
        !          2623:     *rp = f; return;
        !          2624:   }
        !          2625:   v = (LIST)ARG2(arg);
        !          2626:   create_order_spec(0,ARG3(arg),&ord);
        !          2627:   nd_nf_p(f,g,v,QTOS((Q)ARG4(arg)),ord,rp);
1.83      noro     2628: }
                   2629:
                   2630: void Pnd_weyl_nf(NODE arg,Obj *rp)
                   2631: {
1.108   ! noro     2632:   Obj f;
        !          2633:   LIST g,v;
        !          2634:   struct order_spec *ord;
        !          2635:
        !          2636:   do_weyl = 1;
        !          2637:   asir_assert(ARG1(arg),O_LIST,"nd_weyl_nf");
        !          2638:   asir_assert(ARG2(arg),O_LIST,"nd_weyl_nf");
        !          2639:   asir_assert(ARG4(arg),O_N,"nd_weyl_nf");
        !          2640:   f = (Obj)ARG0(arg);
        !          2641:   g = (LIST)ARG1(arg); g = remove_zero_from_list(g);
        !          2642:   if ( !BDY(g) ) {
        !          2643:     *rp = f; return;
        !          2644:   }
        !          2645:   v = (LIST)ARG2(arg);
        !          2646:   create_order_spec(0,ARG3(arg),&ord);
        !          2647:   nd_nf_p(f,g,v,QTOS((Q)ARG4(arg)),ord,rp);
1.39      noro     2648: }
                   2649:
1.11      noro     2650: /* for Weyl algebra */
                   2651:
1.97      noro     2652: void Pdp_weyl_gr_main(NODE arg,LIST *rp)
1.11      noro     2653: {
1.108   ! noro     2654:   LIST f,v;
        !          2655:   Num homo;
        !          2656:   Q m;
        !          2657:   int modular,ac;
        !          2658:   struct order_spec *ord;
        !          2659:
        !          2660:
        !          2661:   asir_assert(ARG0(arg),O_LIST,"dp_weyl_gr_main");
        !          2662:   f = (LIST)ARG0(arg);
        !          2663:   f = remove_zero_from_list(f);
        !          2664:   if ( !BDY(f) ) {
        !          2665:     *rp = f; return;
        !          2666:   }
        !          2667:   if ( (ac = argc(arg)) == 5 ) {
        !          2668:     asir_assert(ARG1(arg),O_LIST,"dp_weyl_gr_main");
        !          2669:     asir_assert(ARG2(arg),O_N,"dp_weyl_gr_main");
        !          2670:     asir_assert(ARG3(arg),O_N,"dp_weyl_gr_main");
        !          2671:     v = (LIST)ARG1(arg);
        !          2672:     homo = (Num)ARG2(arg);
        !          2673:     m = (Q)ARG3(arg);
        !          2674:     if ( !m )
        !          2675:       modular = 0;
        !          2676:     else if ( PL(NM(m))>1 || (PL(NM(m)) == 1 && BD(NM(m))[0] >= 0x80000000) )
        !          2677:       error("dp_weyl_gr_main : too large modulus");
        !          2678:     else
        !          2679:       modular = QTOS(m);
        !          2680:     create_order_spec(0,ARG4(arg),&ord);
        !          2681:   } else if ( current_option )
        !          2682:     parse_gr_option(f,current_option,&v,&homo,&modular,&ord);
        !          2683:   else if ( ac == 1 )
        !          2684:     parse_gr_option(f,0,&v,&homo,&modular,&ord);
        !          2685:   else
        !          2686:     error("dp_weyl_gr_main : invalid argument");
        !          2687:   do_weyl = 1;
        !          2688:   dp_gr_main(f,v,homo,modular,0,ord,rp);
        !          2689:   do_weyl = 0;
1.16      noro     2690: }
                   2691:
1.97      noro     2692: void Pdp_weyl_gr_f_main(NODE arg,LIST *rp)
1.16      noro     2693: {
1.108   ! noro     2694:   LIST f,v;
        !          2695:   Num homo;
        !          2696:   struct order_spec *ord;
        !          2697:
        !          2698:   asir_assert(ARG0(arg),O_LIST,"dp_weyl_gr_main");
        !          2699:   asir_assert(ARG1(arg),O_LIST,"dp_weyl_gr_main");
        !          2700:   asir_assert(ARG2(arg),O_N,"dp_weyl_gr_main");
        !          2701:   asir_assert(ARG3(arg),O_N,"dp_weyl_gr_main");
        !          2702:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2703:   f = remove_zero_from_list(f);
        !          2704:   if ( !BDY(f) ) {
        !          2705:     *rp = f; return;
        !          2706:   }
        !          2707:   homo = (Num)ARG2(arg);
        !          2708:   create_order_spec(0,ARG3(arg),&ord);
        !          2709:   do_weyl = 1;
        !          2710:   dp_gr_main(f,v,homo,0,1,ord,rp);
        !          2711:   do_weyl = 0;
1.11      noro     2712: }
                   2713:
1.97      noro     2714: void Pdp_weyl_f4_main(NODE arg,LIST *rp)
1.11      noro     2715: {
1.108   ! noro     2716:   LIST f,v;
        !          2717:   struct order_spec *ord;
1.11      noro     2718:
1.108   ! noro     2719:   asir_assert(ARG0(arg),O_LIST,"dp_weyl_f4_main");
        !          2720:   asir_assert(ARG1(arg),O_LIST,"dp_weyl_f4_main");
        !          2721:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2722:   f = remove_zero_from_list(f);
        !          2723:   if ( !BDY(f) ) {
        !          2724:     *rp = f; return;
        !          2725:   }
        !          2726:   create_order_spec(0,ARG2(arg),&ord);
        !          2727:   do_weyl = 1;
        !          2728:   dp_f4_main(f,v,ord,rp);
        !          2729:   do_weyl = 0;
1.11      noro     2730: }
                   2731:
1.97      noro     2732: void Pdp_weyl_f4_mod_main(NODE arg,LIST *rp)
1.11      noro     2733: {
1.108   ! noro     2734:   LIST f,v;
        !          2735:   int m;
        !          2736:   struct order_spec *ord;
        !          2737:
        !          2738:   asir_assert(ARG0(arg),O_LIST,"dp_weyl_f4_main");
        !          2739:   asir_assert(ARG1(arg),O_LIST,"dp_weyl_f4_main");
        !          2740:   asir_assert(ARG2(arg),O_N,"dp_f4_main");
        !          2741:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); m = QTOS((Q)ARG2(arg));
        !          2742:   f = remove_zero_from_list(f);
        !          2743:   if ( !BDY(f) ) {
        !          2744:     *rp = f; return;
        !          2745:   }
        !          2746:   if ( !m )
        !          2747:     error("dp_weyl_f4_mod_main : invalid argument");
        !          2748:   create_order_spec(0,ARG3(arg),&ord);
        !          2749:   do_weyl = 1;
        !          2750:   dp_f4_mod_main(f,v,m,ord,rp);
        !          2751:   do_weyl = 0;
1.11      noro     2752: }
                   2753:
1.97      noro     2754: void Pdp_weyl_gr_mod_main(NODE arg,LIST *rp)
1.11      noro     2755: {
1.108   ! noro     2756:   LIST f,v;
        !          2757:   Num homo;
        !          2758:   int m;
        !          2759:   struct order_spec *ord;
        !          2760:
        !          2761:   asir_assert(ARG0(arg),O_LIST,"dp_weyl_gr_mod_main");
        !          2762:   asir_assert(ARG1(arg),O_LIST,"dp_weyl_gr_mod_main");
        !          2763:   asir_assert(ARG2(arg),O_N,"dp_weyl_gr_mod_main");
        !          2764:   asir_assert(ARG3(arg),O_N,"dp_weyl_gr_mod_main");
        !          2765:   f = (LIST)ARG0(arg); v = (LIST)ARG1(arg);
        !          2766:   f = remove_zero_from_list(f);
        !          2767:   if ( !BDY(f) ) {
        !          2768:     *rp = f; return;
        !          2769:   }
        !          2770:   homo = (Num)ARG2(arg); m = QTOS((Q)ARG3(arg));
        !          2771:   if ( !m )
        !          2772:     error("dp_weyl_gr_mod_main : invalid argument");
        !          2773:   create_order_spec(0,ARG4(arg),&ord);
        !          2774:   do_weyl = 1;
        !          2775:   dp_gr_mod_main(f,v,homo,m,ord,rp);
        !          2776:   do_weyl = 0;
1.1       noro     2777: }
1.8       noro     2778:
1.57      noro     2779: VECT current_dl_weight_vector_obj;
1.24      noro     2780: int *current_dl_weight_vector;
1.99      noro     2781: int dp_negative_weight;
1.24      noro     2782:
1.97      noro     2783: void Pdp_set_weight(NODE arg,VECT *rp)
1.24      noro     2784: {
1.108   ! noro     2785:   VECT v;
        !          2786:   int i,n;
        !          2787:   NODE node;
        !          2788:
        !          2789:   if ( !arg )
        !          2790:     *rp = current_dl_weight_vector_obj;
        !          2791:   else if ( !ARG0(arg) ) {
        !          2792:     current_dl_weight_vector_obj = 0;
        !          2793:     current_dl_weight_vector = 0;
1.99      noro     2794:         dp_negative_weight = 0;
1.108   ! noro     2795:     *rp = 0;
        !          2796:   } else {
        !          2797:     if ( OID(ARG0(arg)) != O_VECT && OID(ARG0(arg)) != O_LIST )
        !          2798:       error("dp_set_weight : invalid argument");
        !          2799:     if ( OID(ARG0(arg)) == O_VECT )
        !          2800:       v = (VECT)ARG0(arg);
        !          2801:     else {
        !          2802:       node = (NODE)BDY((LIST)ARG0(arg));
        !          2803:       n = length(node);
        !          2804:       MKVECT(v,n);
        !          2805:       for ( i = 0; i < n; i++, node = NEXT(node) )
        !          2806:         BDY(v)[i] = BDY(node);
        !          2807:     }
        !          2808:     current_dl_weight_vector_obj = v;
        !          2809:     n = v->len;
        !          2810:     current_dl_weight_vector = (int *)CALLOC(n,sizeof(int));
        !          2811:     for ( i = 0; i < n; i++ )
        !          2812:       current_dl_weight_vector[i] = QTOS((Q)v->body[i]);
1.99      noro     2813:         for ( i = 0; i < n; i++ )
                   2814:             if ( current_dl_weight_vector[i] < 0 ) break;
                   2815:         if ( i < n )
                   2816:             dp_negative_weight = 1;
                   2817:         else
                   2818:             dp_negative_weight = 0;
1.108   ! noro     2819:     *rp = v;
        !          2820:   }
1.24      noro     2821: }
                   2822:
1.77      noro     2823: VECT current_module_weight_vector_obj;
                   2824: int *current_module_weight_vector;
                   2825:
1.97      noro     2826: void Pdp_set_module_weight(NODE arg,VECT *rp)
1.77      noro     2827: {
1.108   ! noro     2828:   VECT v;
        !          2829:   int i,n;
        !          2830:   NODE node;
        !          2831:
        !          2832:   if ( !arg )
        !          2833:     *rp = current_module_weight_vector_obj;
        !          2834:   else if ( !ARG0(arg) ) {
        !          2835:     current_module_weight_vector_obj = 0;
        !          2836:     current_module_weight_vector = 0;
        !          2837:     *rp = 0;
        !          2838:   } else {
        !          2839:     if ( OID(ARG0(arg)) != O_VECT && OID(ARG0(arg)) != O_LIST )
        !          2840:       error("dp_module_set_weight : invalid argument");
        !          2841:     if ( OID(ARG0(arg)) == O_VECT )
        !          2842:       v = (VECT)ARG0(arg);
        !          2843:     else {
        !          2844:       node = (NODE)BDY((LIST)ARG0(arg));
        !          2845:       n = length(node);
        !          2846:       MKVECT(v,n);
        !          2847:       for ( i = 0; i < n; i++, node = NEXT(node) )
        !          2848:         BDY(v)[i] = BDY(node);
        !          2849:     }
        !          2850:     current_module_weight_vector_obj = v;
        !          2851:     n = v->len;
        !          2852:     current_module_weight_vector = (int *)CALLOC(n,sizeof(int));
        !          2853:     for ( i = 0; i < n; i++ )
        !          2854:       current_module_weight_vector[i] = QTOS((Q)v->body[i]);
        !          2855:     *rp = v;
        !          2856:   }
1.77      noro     2857: }
                   2858:
1.93      noro     2859: extern Obj current_top_weight;
1.92      noro     2860: extern Obj nd_top_weight;
1.71      noro     2861:
1.92      noro     2862: void Pdp_set_top_weight(NODE arg,Obj *rp)
1.71      noro     2863: {
1.108   ! noro     2864:   VECT v;
        !          2865:   MAT m;
        !          2866:   Obj obj;
        !          2867:   int i,j,n,id,row,col;
        !          2868:   Q *mi;
        !          2869:   NODE node;
        !          2870:
        !          2871:   if ( !arg )
        !          2872:     *rp = current_top_weight;
        !          2873:   else if ( !ARG0(arg) ) {
        !          2874:     reset_top_weight();
        !          2875:     *rp = 0;
        !          2876:   } else {
        !          2877:     id = OID(ARG0(arg));
        !          2878:     if ( id != O_VECT && id != O_MAT && id != O_LIST )
        !          2879:       error("dp_set_top_weight : invalid argument");
        !          2880:     if ( id == O_LIST ) {
        !          2881:       node = (NODE)BDY((LIST)ARG0(arg));
        !          2882:       n = length(node);
        !          2883:       MKVECT(v,n);
        !          2884:       for ( i = 0; i < n; i++, node = NEXT(node) )
        !          2885:         BDY(v)[i] = BDY(node);
        !          2886:         obj = (Obj)v;
        !          2887:     } else
        !          2888:         obj = ARG0(arg);
        !          2889:     if ( OID(obj) == O_VECT ) {
        !          2890:       v = (VECT)obj;
        !          2891:         for ( i = 0; i < v->len; i++ )
        !          2892:           if ( !INT(BDY(v)[i]) || (BDY(v)[i] && SGN((Q)BDY(v)[i]) < 0) )
        !          2893:             error("dp_set_top_weight : each element must be a non-negative integer");
        !          2894:     } else {
        !          2895:       m = (MAT)obj; row = m->row; col = m->col;
        !          2896:         for ( i = 0; i < row; i++ )
        !          2897:         for ( j = 0, mi = (Q *)BDY(m)[i]; j < col; j++ )
        !          2898:               if ( !INT(mi[j]) || (mi[j] && SGN((Q)mi[j]) < 0) )
        !          2899:                 error("dp_set_top_weight : each element must be a non-negative integer");
        !          2900:     }
1.92      noro     2901:         current_top_weight = obj;
1.108   ! noro     2902:     nd_top_weight = obj;
        !          2903:     *rp = current_top_weight;
        !          2904:   }
1.71      noro     2905: }
                   2906:
1.72      noro     2907: LIST get_denomlist();
                   2908:
                   2909: void Pdp_get_denomlist(LIST *rp)
                   2910: {
1.108   ! noro     2911:   *rp = get_denomlist();
1.72      noro     2912: }
                   2913:
1.24      noro     2914: static VECT current_weyl_weight_vector_obj;
                   2915: int *current_weyl_weight_vector;
1.15      noro     2916:
1.97      noro     2917: void Pdp_weyl_set_weight(NODE arg,VECT *rp)
1.15      noro     2918: {
1.108   ! noro     2919:   VECT v;
        !          2920:   NODE node;
        !          2921:   int i,n;
        !          2922:
        !          2923:   if ( !arg )
        !          2924:     *rp = current_weyl_weight_vector_obj;
        !          2925:   else if ( !ARG0(arg) ) {
        !          2926:     current_weyl_weight_vector_obj = 0;
        !          2927:     current_weyl_weight_vector = 0;
        !          2928:     *rp = 0;
        !          2929:   } else {
        !          2930:     if ( OID(ARG0(arg)) != O_VECT && OID(ARG0(arg)) != O_LIST )
        !          2931:       error("dp_weyl_set_weight : invalid argument");
        !          2932:     if ( OID(ARG0(arg)) == O_VECT )
        !          2933:       v = (VECT)ARG0(arg);
        !          2934:     else {
        !          2935:       node = (NODE)BDY((LIST)ARG0(arg));
        !          2936:       n = length(node);
        !          2937:       MKVECT(v,n);
        !          2938:       for ( i = 0; i < n; i++, node = NEXT(node) )
        !          2939:         BDY(v)[i] = BDY(node);
        !          2940:     }
        !          2941:     current_weyl_weight_vector_obj = v;
        !          2942:     n = v->len;
        !          2943:     current_weyl_weight_vector = (int *)CALLOC(n,sizeof(int));
        !          2944:     for ( i = 0; i < n; i++ )
        !          2945:       current_weyl_weight_vector[i] = QTOS((Q)v->body[i]);
        !          2946:     *rp = v;
        !          2947:   }
1.25      noro     2948: }
                   2949:
1.82      noro     2950: NODE mono_raddec(NODE ideal);
                   2951:
                   2952: void Pdp_mono_raddec(NODE arg,LIST *rp)
                   2953: {
1.108   ! noro     2954:   NODE ideal,rd,t,t1,r,r1,u;
        !          2955:   VL vl0,vl;
        !          2956:   int nv,i,bpi;
        !          2957:   int *s;
        !          2958:   DP dp;
        !          2959:   P *v;
        !          2960:   LIST l;
        !          2961:
        !          2962:   ideal = BDY((LIST)ARG0(arg));
        !          2963:   if ( !ideal ) *rp = (LIST)ARG0(arg);
        !          2964:   else {
        !          2965:     t = BDY((LIST)ARG1(arg));
        !          2966:     nv = length(t);
        !          2967:     v = (P *)MALLOC(nv*sizeof(P));
        !          2968:     for ( vl0 = 0, i = 0; t; t = NEXT(t), i++ ) {
        !          2969:       NEXTVL(vl0,vl); VR(vl) = VR((P)BDY(t));
        !          2970:       MKV(VR(vl),v[i]);
        !          2971:     }
        !          2972:     if ( vl0 ) NEXT(vl) = 0;
        !          2973:     for ( t = 0, r = ideal; r; r = NEXT(r) ) {
        !          2974:       ptod(CO,vl0,BDY(r),&dp); MKNODE(t1,dp,t); t = t1;
        !          2975:     }
        !          2976:     rd = mono_raddec(t);
        !          2977:     r = 0;
        !          2978:     bpi = (sizeof(int)/sizeof(char))*8;
        !          2979:     for ( u = rd; u; u = NEXT(u) ) {
        !          2980:       s = (int *)BDY(u);
        !          2981:       for ( i = nv-1, t = 0; i >= 0; i-- )
        !          2982:         if ( s[i/bpi]&(1<<(i%bpi)) ) {
        !          2983:           MKNODE(t1,v[i],t); t = t1;
        !          2984:         }
        !          2985:       MKLIST(l,t); MKNODE(r1,l,r); r = r1;
        !          2986:     }
        !          2987:     MKLIST(*rp,r);
        !          2988:   }
1.82      noro     2989: }
                   2990:
1.84      noro     2991: void Pdp_mono_reduce(NODE arg,LIST *rp)
                   2992: {
1.108   ! noro     2993:   NODE t,t0,t1,r0,r;
        !          2994:   int i,n;
        !          2995:   DP m;
        !          2996:   DP *a;
        !          2997:
        !          2998:   t0 = BDY((LIST)ARG0(arg));
        !          2999:   t1 = BDY((LIST)ARG1(arg));
        !          3000:   n = length(t0);
        !          3001:   a = (DP *)MALLOC(n*sizeof(DP));
        !          3002:   for ( i = 0; i < n; i++, t0 = NEXT(t0) ) a[i] = (DP)BDY(t0);
        !          3003:   for ( t = t1; t; t = NEXT(t) ) {
        !          3004:     m = (DP)BDY(t);
        !          3005:     for ( i = 0; i < n; i++ )
        !          3006:       if ( a[i] && dp_redble(a[i],m) ) a[i] = 0;
        !          3007:   }
        !          3008:   for ( i = n-1, r0 = 0; i >= 0; i-- )
        !          3009:     if ( a[i] ) { NEXTNODE(r0,r); BDY(r) = a[i]; }
        !          3010:   if ( r0 ) NEXT(r) = 0;
        !          3011:   MKLIST(*rp,r0);
1.84      noro     3012: }
                   3013:
1.94      noro     3014: #define BLEN (8*sizeof(unsigned long))
                   3015:
                   3016: void showmat2(unsigned long **a,int row,int col)
                   3017: {
                   3018:   int i,j;
                   3019:
                   3020:   for ( i = 0; i < row; i++, putchar('\n') )
                   3021:     for ( j = 0; j < col; j++ )
1.108   ! noro     3022:       if ( a[i][j/BLEN] & (1L<<(j%BLEN)) ) putchar('1');
1.94      noro     3023:       else putchar('0');
                   3024: }
                   3025:
                   3026: int rref2(unsigned long **a,int row,int col)
                   3027: {
                   3028:   int i,j,k,l,s,wcol,wj;
                   3029:   unsigned long bj;
                   3030:   unsigned long *ai,*ak,*as,*t;
                   3031:   int *pivot;
                   3032:
                   3033:   wcol = (col+BLEN-1)/BLEN;
                   3034:   pivot = (int *)MALLOC_ATOMIC(row*sizeof(int));
                   3035:   i = 0;
                   3036:   for ( j = 0; j < col; j++ ) {
1.108   ! noro     3037:     wj = j/BLEN; bj = 1L<<(j%BLEN);
1.94      noro     3038:     for ( k = i; k < row; k++ )
1.108   ! noro     3039:       if ( a[k][wj] & bj ) break;
1.94      noro     3040:     if ( k == row ) continue;
                   3041:     pivot[i] = j;
                   3042:     if ( k != i ) {
                   3043:      t = a[i]; a[i] = a[k]; a[k] = t;
1.108   ! noro     3044:     }
        !          3045:     ai = a[i];
1.94      noro     3046:     for ( k = i+1; k < row; k++ ) {
1.108   ! noro     3047:       ak = a[k];
        !          3048:       if ( ak[wj] & bj ) {
        !          3049:         for ( l = wj; l < wcol; l++ )
        !          3050:           ak[l] ^= ai[l];
        !          3051:       }
        !          3052:     }
        !          3053:     i++;
1.94      noro     3054:   }
                   3055:   for ( k = i-1; k >= 0; k-- ) {
                   3056:     j = pivot[k]; wj = j/BLEN; bj = 1L<<(j%BLEN);
1.108   ! noro     3057:     ak = a[k];
1.94      noro     3058:     for ( s = 0; s < k; s++ ) {
1.108   ! noro     3059:       as = a[s];
1.94      noro     3060:       if ( as[wj] & bj ) {
                   3061:         for ( l = wj; l < wcol; l++ )
1.108   ! noro     3062:           as[l] ^= ak[l];
        !          3063:       }
        !          3064:     }
1.94      noro     3065:   }
                   3066:   return i;
                   3067: }
                   3068:
                   3069: void Pdp_rref2(NODE arg,VECT *rp)
                   3070: {
                   3071:   VECT f,term,ret;
                   3072:   int row,col,wcol,size,nv,i,j,rank,td;
                   3073:   unsigned long **mat;
                   3074:   unsigned long *v;
                   3075:   DL d;
                   3076:   DL *t;
                   3077:   DP dp;
                   3078:   MP m,m0;
                   3079:
                   3080:   f = (VECT)ARG0(arg);
                   3081:   row = f->len;
                   3082:   term = (VECT)ARG1(arg);
                   3083:   col = term->len;
                   3084:   mat = (unsigned long **)MALLOC(row*sizeof(unsigned long *));
                   3085:   size = sizeof(unsigned long)*((col+BLEN-1)/BLEN);
                   3086:   nv = ((DP)term->body[0])->nv;
                   3087:   t = (DL *)MALLOC(col*sizeof(DL));
                   3088:   for ( i = 0; i < col; i++ ) t[i] = BDY((DP)BDY(term)[i])->dl;
                   3089:   for ( i = 0; i < row; i++ ) {
                   3090:     v = mat[i] = (unsigned long *)MALLOC_ATOMIC_IGNORE_OFF_PAGE(size);
1.108   ! noro     3091:   bzero(v,size);
        !          3092:   for ( j = 0, m = BDY((DP)BDY(f)[i]); m; m = NEXT(m) ) {
        !          3093:     d = m->dl;
        !          3094:     for ( ; !dl_equal(nv,d,t[j]); j++ );
        !          3095:     v[j/BLEN] |= 1L <<(j%BLEN);
        !          3096:   }
1.94      noro     3097:   }
                   3098:   rank = rref2(mat,row,col);
                   3099:   MKVECT(ret,rank);
                   3100:   *rp = ret;
                   3101:   for ( i = 0; i < rank; i++ ) {
                   3102:     v = mat[i];
1.108   ! noro     3103:   m0 = 0;
        !          3104:   td = 0;
1.94      noro     3105:     for ( j = 0; j < col; j++ ) {
1.108   ! noro     3106:     if ( v[j/BLEN] & (1L<<(j%BLEN)) ) {
        !          3107:       NEXTMP(m0,m);
        !          3108:     m->dl = t[j];
        !          3109:     m->c = (Obj)ONE;
        !          3110:       td = MAX(td,m->dl->td);
        !          3111:     }
        !          3112:   }
        !          3113:   NEXT(m) = 0;
        !          3114:   MKDP(nv,m0,dp);
        !          3115:   dp->sugar = td;
1.94      noro     3116:     BDY(ret)[i] = (pointer)dp;
                   3117:   }
                   3118: }
                   3119:
1.95      noro     3120: #define HDL(f) (BDY(f)->dl)
                   3121:
                   3122: NODE sumi_criB(int nv,NODE d,DP *f,int m)
                   3123: {
                   3124:  LIST p;
                   3125:  NODE r0,r;
                   3126:  int p0,p1;
                   3127:  DL p2,lcm;
                   3128:
                   3129:  NEWDL(lcm,nv);
                   3130:  r0 = 0;
                   3131:  for ( ; d; d = NEXT(d) ) {
1.108   ! noro     3132:   p = (LIST)BDY(d);
        !          3133:   p0 = QTOS((Q)ARG0(BDY(p)));
        !          3134:   p1 = QTOS((Q)ARG1(BDY(p)));
        !          3135:   p2 = HDL((DP)ARG2(BDY(p)));
1.95      noro     3136:     if(!_dl_redble(HDL((DP)f[m]),p2,nv) ||
                   3137:      dl_equal(nv,lcm_of_DL(nv,HDL(f[p0]),HDL(f[m]),lcm),p2) ||
                   3138:      dl_equal(nv,lcm_of_DL(nv,HDL(f[p1]),HDL(f[m]),lcm),p2) ) {
1.108   ! noro     3139:     NEXTNODE(r0,r);
        !          3140:     BDY(r) = p;
        !          3141:   }
1.95      noro     3142:  }
                   3143:  if ( r0 ) NEXT(r) = 0;
                   3144:  return r0;
                   3145: }
                   3146:
                   3147: NODE sumi_criFMD(int nv,DP *f,int m)
                   3148: {
                   3149:   DL *a;
                   3150:   DL l1,dl1,dl2;
                   3151:   int i,j,k,k2;
                   3152:   NODE r,r1,nd;
                   3153:   MP mp;
                   3154:   DP u;
                   3155:   Q iq,mq;
                   3156:   LIST list;
                   3157:
                   3158:   /* a[i] = lcm(LT(f[i]),LT(f[m])) */
                   3159:   a = (DL *)ALLOCA(m*sizeof(DL));
                   3160:   for ( i = 0; i < m; i++ ) {
                   3161:    a[i] = lcm_of_DL(nv,HDL(f[i]),HDL(f[m]),0);
                   3162:   }
                   3163:   r = 0;
                   3164:   for( i = 0; i < m; i++) {
                   3165:    l1 = a[i];
                   3166:    if ( !l1 ) continue;
                   3167:    /* Tkm = Tim (k<i) */
                   3168:    for( k = 0; k < i; k++)
                   3169:      if( dl_equal(nv,l1,a[k]) ) break;
                   3170:    if( k == i ){
                   3171:      /* Tk|Tim && Tkm != Tim (k<m) */
1.108   ! noro     3172:    for ( k2 = 0; k2 < m; k2++ )
        !          3173:      if ( _dl_redble(HDL(f[k2]),l1,nv) &&
        !          3174:        !dl_equal(nv,l1,a[k2]) ) break;
        !          3175:    if ( k2 == m ) {
1.95      noro     3176:        dl1 = HDL(f[i]); dl2 = HDL(f[m]);
                   3177:        for ( k2 = 0; k2 < nv; k2++ )
                   3178:          if ( dl1->d[k2] && dl2->d[k2] ) break;
                   3179:        if ( k2 < nv ) {
1.105     noro     3180:          NEWMP(mp); mp->dl = l1; C(mp) = (Obj)ONE;
1.95      noro     3181:          NEXT(mp) = 0; MKDP(nv,mp,u); u->sugar = l1->td;
1.108   ! noro     3182:        STOQ(i,iq); STOQ(m,mq);
        !          3183:        nd = mknode(3,iq,mq,u);
        !          3184:        MKLIST(list,nd);
        !          3185:        MKNODE(r1,list,r);
        !          3186:        r = r1;
        !          3187:     }
        !          3188:   }
1.95      noro     3189:    }
                   3190:  }
                   3191:  return r;
                   3192: }
                   3193:
                   3194: LIST sumi_updatepairs(LIST d,DP *f,int m)
                   3195: {
                   3196:   NODE old,new,t;
                   3197:   LIST l;
                   3198:   int nv;
                   3199:
                   3200:   nv = f[0]->nv;
                   3201:   old = sumi_criB(nv,BDY(d),f,m);
                   3202:   new = sumi_criFMD(nv,f,m);
                   3203:   if ( !new ) new = old;
                   3204:   else {
                   3205:     for ( t = new ; NEXT(t); t = NEXT(t) );
1.108   ! noro     3206:   NEXT(t) = old;
1.95      noro     3207:   }
                   3208:   MKLIST(l,new);
                   3209:   return l;
                   3210: }
                   3211:
                   3212: VECT ltov(LIST l)
                   3213: {
                   3214:   NODE n;
                   3215:   int i,len;
                   3216:   VECT v;
                   3217:
                   3218:   n = BDY(l);
                   3219:   len = length(n);
                   3220:   MKVECT(v,len);
                   3221:   for ( i = 0; i < len; i++, n = NEXT(n) )
                   3222:     BDY(v)[i] = BDY(n);
                   3223:   return v;
                   3224: }
                   3225:
                   3226: DL subdl(int nv,DL d1,DL d2)
                   3227: {
                   3228:   int i;
                   3229:   DL d;
                   3230:
                   3231:   NEWDL(d,nv);
                   3232:   d->td = d1->td-d2->td;
                   3233:   for ( i = 0; i < nv; i++ )
                   3234:     d->d[i] = d1->d[i]-d2->d[i];
                   3235:   return d;
                   3236: }
                   3237:
                   3238: DP dltodp(int nv,DL d)
                   3239: {
                   3240:   MP mp;
                   3241:   DP dp;
                   3242:
1.105     noro     3243:   NEWMP(mp); mp->dl = d; C(mp) = (Obj)ONE;
1.95      noro     3244:   NEXT(mp) = 0; MKDP(nv,mp,dp); dp->sugar = d->td;
                   3245:   return dp;
                   3246: }
                   3247:
                   3248: LIST sumi_simplify(int nv,DL t,DP p,NODE f2,int simp)
                   3249: {
                   3250:   DL d,h,hw;
                   3251:   DP u,w,dp;
                   3252:   int n,i,last;
                   3253:   LIST *v;
                   3254:   LIST list;
                   3255:   NODE s,r;
                   3256:
                   3257:   d = t; u = p;
                   3258:   /* only the last history is used */
                   3259:   if ( f2 && simp && t->td != 0 ) {
                   3260:     adddl(nv,t,HDL(p),&h);
                   3261:     n = length(f2);
                   3262:     last = 1;
                   3263:     if ( simp > 1 ) last = n;
                   3264:     v = (LIST *)ALLOCA(n*sizeof(LIST));
                   3265:     for ( r = f2, i = 0; r; r = NEXT(r), i++ ) v[n-i-1] = BDY(r);
                   3266:     for ( i = 0; i < last; i++ ) {
                   3267:       for ( s = BDY((LIST)v[i]); s; s = NEXT(s) ) {
1.108   ! noro     3268:       w = (DP)BDY(s); hw = HDL(w);
1.95      noro     3269:         if ( _dl_redble(hw,h,nv) ) {
1.108   ! noro     3270:       u = w;
        !          3271:       d = subdl(nv,h,hw);
        !          3272:       goto fin;
        !          3273:       }
1.95      noro     3274:       }
                   3275:     }
                   3276:   }
                   3277: fin:
                   3278:   dp = dltodp(nv,d);
                   3279:   r = mknode(2,dp,u);
                   3280:   MKLIST(list,r);
                   3281:   return list;
                   3282: }
                   3283:
                   3284: LIST sumi_symbolic(NODE l,int q,NODE f2,DP *g,int simp)
                   3285: {
                   3286:    int nv;
                   3287:    NODE t,r;
                   3288:    NODE f0,f,fd0,fd,done0,done,red0,red;
                   3289:    DL h,d;
                   3290:    DP mul;
                   3291:    int m;
                   3292:    LIST tp,l0,l1,l2,l3,list;
                   3293:    VECT v0,v1,v2,v3;
                   3294:
                   3295:    nv = ((DP)BDY(l))->nv;
                   3296:    t = 0;
                   3297:
                   3298:    f0 = 0; fd0 = 0; done0 = 0; red0 = 0;
                   3299:
                   3300:    for ( ; l; l = NEXT(l) ) {
                   3301:      t = symb_merge(t,dp_dllist((DP)BDY(l)),nv);
                   3302:      NEXTNODE(fd0,fd); BDY(fd) = BDY(l);
                   3303:    }
                   3304:
                   3305:    while ( t ) {
1.108   ! noro     3306:    h = (DL)BDY(t);
        !          3307:    NEXTNODE(done0,done); BDY(done) = dltodp(nv,h);
        !          3308:    t = NEXT(t);
1.95      noro     3309:      for(m = 0; m < q; m++)
1.108   ! noro     3310:      if ( _dl_redble(HDL(g[m]),h,nv) ) break;
1.95      noro     3311:      if ( m == q ) {
                   3312:      } else {
1.108   ! noro     3313:      d = subdl(nv,h,HDL(g[m]));
1.95      noro     3314:        tp = sumi_simplify(nv,d,g[m],f2,simp);
                   3315:
1.108   ! noro     3316:      muldm(CO,ARG1(BDY(tp)),BDY((DP)ARG0(BDY(tp))),&mul);
1.95      noro     3317:        t = symb_merge(t,NEXT(dp_dllist(mul)),nv);
                   3318:
1.108   ! noro     3319:      NEXTNODE(f0,f); BDY(f) = tp;
        !          3320:      NEXTNODE(fd0,fd); BDY(fd) = mul;
        !          3321:      NEXTNODE(red0,red); BDY(red) = mul;
1.95      noro     3322:      }
                   3323:    }
                   3324:    if ( fd0 ) NEXT(fd) = 0; MKLIST(l0,fd0);
                   3325:    v0 = ltov(l0);
                   3326:    if ( done0 ) NEXT(done) = 0; MKLIST(l1,done0);
                   3327:    v1 = ltov(l1);
                   3328:    if ( f0 ) NEXT(f) = 0; MKLIST(l2,f0);
                   3329:    v2 = ltov(l2);
                   3330:    if ( red0 ) NEXT(red) = 0; MKLIST(l3,red0);
                   3331:    v3 = ltov(l3);
                   3332:    r = mknode(4,v0,v1,v2,v3);
                   3333:    MKLIST(list,r);
                   3334:    return list;
                   3335: }
                   3336:
                   3337: void Psumi_symbolic(NODE arg,LIST *rp)
                   3338: {
                   3339:   NODE l,f2;
                   3340:   DP *g;
                   3341:   int q,simp;
                   3342:
                   3343:   l = BDY((LIST)ARG0(arg));
                   3344:   q = QTOS((Q)ARG1(arg));
                   3345:   f2 = BDY((LIST)ARG2(arg));
                   3346:   g = (DP *)BDY((VECT)ARG3(arg));
                   3347:   simp = QTOS((Q)ARG4(arg));
                   3348:   *rp = sumi_symbolic(l,q,f2,g,simp);
                   3349: }
                   3350:
                   3351: void Psumi_updatepairs(NODE arg,LIST *rp)
                   3352: {
                   3353:    LIST d,l;
                   3354:    DP *f;
                   3355:    int m;
                   3356:
                   3357:    d = (LIST)ARG0(arg);
                   3358:    f = (DP *)BDY((VECT)ARG1(arg));
                   3359:    m = QTOS((Q)ARG2(arg));
                   3360:    *rp = sumi_updatepairs(d,f,m);
                   3361: }
                   3362:
1.25      noro     3363: LIST remove_zero_from_list(LIST l)
                   3364: {
1.108   ! noro     3365:   NODE n,r0,r;
        !          3366:   LIST rl;
1.25      noro     3367:
1.108   ! noro     3368:   asir_assert(l,O_LIST,"remove_zero_from_list");
        !          3369:   n = BDY(l);
        !          3370:   for ( r0 = 0; n; n = NEXT(n) )
        !          3371:     if ( BDY(n) ) {
        !          3372:       NEXTNODE(r0,r);
        !          3373:       BDY(r) = BDY(n);
        !          3374:     }
        !          3375:   if ( r0 )
        !          3376:     NEXT(r) = 0;
        !          3377:   MKLIST(rl,r0);
        !          3378:   return rl;
1.26      noro     3379: }
                   3380:
                   3381: int get_field_type(P p)
                   3382: {
1.108   ! noro     3383:   int type,t;
        !          3384:   DCP dc;
1.26      noro     3385:
1.108   ! noro     3386:   if ( !p )
        !          3387:     return 0;
        !          3388:   else if ( NUM(p) )
        !          3389:     return NID((Num)p);
        !          3390:   else {
        !          3391:     type = 0;
        !          3392:     for ( dc = DC(p); dc; dc = NEXT(dc) ) {
        !          3393:       t = get_field_type(COEF(dc));
        !          3394:       if ( !t )
        !          3395:         continue;
        !          3396:       if ( t < 0 )
        !          3397:         return t;
        !          3398:       if ( !type )
        !          3399:         type = t;
        !          3400:       else if ( t != type )
        !          3401:         return -1;
        !          3402:     }
        !          3403:     return type;
        !          3404:   }
1.52      noro     3405: }
                   3406:
                   3407: void Pdpv_ord(NODE arg,Obj *rp)
                   3408: {
1.108   ! noro     3409:   int ac,id;
        !          3410:   LIST shift;
1.52      noro     3411:
1.108   ! noro     3412:   ac = argc(arg);
        !          3413:   if ( ac ) {
        !          3414:     id = QTOS((Q)ARG0(arg));
        !          3415:     if ( ac > 1 && ARG1(arg) && OID((Obj)ARG1(arg))==O_LIST )
        !          3416:       shift = (LIST)ARG1(arg);
        !          3417:     else
        !          3418:       shift = 0;
        !          3419:     create_modorder_spec(id,shift,&dp_current_modspec);
        !          3420:   }
        !          3421:   *rp = dp_current_modspec->obj;
1.52      noro     3422: }
                   3423:
1.105     noro     3424: extern int dpm_ispot;
                   3425:
                   3426: void Pdpm_ord(NODE arg,LIST *rp)
                   3427: {
                   3428:   Q q;
                   3429:   NODE nd;
1.108   ! noro     3430:   struct order_spec *spec;
        !          3431:
        !          3432:   if ( arg ) {
1.105     noro     3433:     nd = BDY((LIST)ARG0(arg));
1.108   ! noro     3434:     if ( !create_order_spec(0,(Obj)ARG1(nd),&spec) )
        !          3435:       error("dpm_ord : invalid order specification");
        !          3436:     initdpm(spec,QTOS((Q)ARG0(nd)));
        !          3437:   }
1.105     noro     3438:   STOQ(dpm_ispot,q);
                   3439:   nd = mknode(2,q,dp_current_spec->obj);
                   3440:   MKLIST(*rp,nd);
                   3441: }
                   3442:
                   3443: void Pdpm_hm(NODE arg,DPM *rp)
                   3444: {
1.108   ! noro     3445:   DPM p;
1.105     noro     3446:
1.108   ! noro     3447:   p = (DPM)ARG0(arg); asir_assert(p,O_DPM,"dpm_hm");
        !          3448:   dpm_hm(p,rp);
1.105     noro     3449: }
                   3450:
                   3451: void Pdpm_ht(NODE arg,DPM *rp)
                   3452: {
1.108   ! noro     3453:   DPM p;
1.105     noro     3454:
1.108   ! noro     3455:   p = (DPM)ARG0(arg); asir_assert(p,O_DPM,"dp_ht");
        !          3456:   dpm_ht(p,rp);
1.105     noro     3457: }
                   3458:
                   3459: void Pdpm_hc(NODE arg,Obj *rp)
                   3460: {
1.108   ! noro     3461:   asir_assert(ARG0(arg),O_DPM,"dpm_hc");
        !          3462:   if ( !ARG0(arg) )
        !          3463:     *rp = 0;
        !          3464:   else
        !          3465:     *rp = BDY((DPM)ARG0(arg))->c;
1.105     noro     3466: }
                   3467:
                   3468:
1.52      noro     3469: void Pdpv_ht(NODE arg,LIST *rp)
                   3470: {
1.108   ! noro     3471:   NODE n;
        !          3472:   DP ht;
        !          3473:   int pos;
        !          3474:   DPV p;
        !          3475:   Q q;
        !          3476:
        !          3477:   asir_assert(ARG0(arg),O_DPV,"dpv_ht");
        !          3478:   p = (DPV)ARG0(arg);
        !          3479:   pos = dpv_hp(p);
        !          3480:   if ( pos < 0 )
        !          3481:     ht = 0;
        !          3482:   else
        !          3483:     dp_ht(BDY(p)[pos],&ht);
        !          3484:   STOQ(pos,q);
        !          3485:   n = mknode(2,q,ht);
        !          3486:   MKLIST(*rp,n);
1.52      noro     3487: }
                   3488:
                   3489: void Pdpv_hm(NODE arg,LIST *rp)
                   3490: {
1.108   ! noro     3491:   NODE n;
        !          3492:   DP ht;
        !          3493:   int pos;
        !          3494:   DPV p;
        !          3495:   Q q;
        !          3496:
        !          3497:   asir_assert(ARG0(arg),O_DPV,"dpv_hm");
        !          3498:   p = (DPV)ARG0(arg);
        !          3499:   pos = dpv_hp(p);
        !          3500:   if ( pos < 0 )
        !          3501:     ht = 0;
        !          3502:   else
        !          3503:     dp_hm(BDY(p)[pos],&ht);
        !          3504:   STOQ(pos,q);
        !          3505:   n = mknode(2,q,ht);
        !          3506:   MKLIST(*rp,n);
1.52      noro     3507: }
                   3508:
                   3509: void Pdpv_hc(NODE arg,LIST *rp)
                   3510: {
1.108   ! noro     3511:   NODE n;
        !          3512:   P hc;
        !          3513:   int pos;
        !          3514:   DPV p;
        !          3515:   Q q;
        !          3516:
        !          3517:   asir_assert(ARG0(arg),O_DPV,"dpv_hc");
        !          3518:   p = (DPV)ARG0(arg);
        !          3519:   pos = dpv_hp(p);
        !          3520:   if ( pos < 0 )
        !          3521:     hc = 0;
        !          3522:   else
        !          3523:     hc = (P)BDY(BDY(p)[pos])->c;
        !          3524:   STOQ(pos,q);
        !          3525:   n = mknode(2,q,hc);
        !          3526:   MKLIST(*rp,n);
1.52      noro     3527: }
                   3528:
                   3529: int dpv_hp(DPV p)
                   3530: {
1.108   ! noro     3531:   int len,i,maxp,maxw,w,slen;
        !          3532:   int *shift;
        !          3533:   DP *e;
        !          3534:
        !          3535:   len = p->len;
        !          3536:   e = p->body;
        !          3537:   slen = dp_current_modspec->len;
        !          3538:   shift = dp_current_modspec->degree_shift;
        !          3539:   switch ( dp_current_modspec->id ) {
        !          3540:     case ORD_REVGRADLEX:
        !          3541:       for ( maxp = -1, i = 0; i < len; i++ )
        !          3542:         if ( !e[i] ) continue;
        !          3543:         else if ( maxp < 0 ) {
        !          3544:           maxw = BDY(e[i])->dl->td+(i<slen?shift[i]:0); maxp = i;
        !          3545:         } else {
        !          3546:           w = BDY(e[i])->dl->td+(i<slen?shift[i]:0);
        !          3547:           if ( w >= maxw ) {
        !          3548:             maxw = w; maxp = i;
        !          3549:           }
        !          3550:         }
        !          3551:       return maxp;
        !          3552:     case ORD_GRADLEX:
        !          3553:       for ( maxp = -1, i = 0; i < len; i++ )
        !          3554:         if ( !e[i] ) continue;
        !          3555:         else if ( maxp < 0 ) {
        !          3556:           maxw = BDY(e[i])->dl->td+(i<slen?shift[i]:0); maxp = i;
        !          3557:         } else {
        !          3558:           w = BDY(e[i])->dl->td+(i<slen?shift[i]:0);
        !          3559:           if ( w > maxw ) {
        !          3560:             maxw = w; maxp = i;
        !          3561:           }
        !          3562:         }
        !          3563:       return maxp;
        !          3564:       break;
        !          3565:     case ORD_LEX:
        !          3566:       for ( i = 0; i < len; i++ )
        !          3567:         if ( e[i] ) return i;
        !          3568:       return -1;
        !          3569:       break;
        !          3570:   }
1.15      noro     3571: }
1.81      noro     3572:
                   3573: int get_opt(char *key0,Obj *r) {
                   3574:    NODE tt,p;
                   3575:    char *key;
                   3576:
                   3577:    if ( current_option ) {
                   3578:      for ( tt = current_option; tt; tt = NEXT(tt) ) {
                   3579:        p = BDY((LIST)BDY(tt));
                   3580:        key = BDY((STRING)BDY(p));
                   3581:        /*  value = (Obj)BDY(NEXT(p)); */
                   3582:        if ( !strcmp(key,key0) )  {
1.108   ! noro     3583:        *r = (Obj)BDY(NEXT(p));
        !          3584:        return 1;
        !          3585:      }
1.81      noro     3586:      }
                   3587:    }
                   3588:    return 0;
                   3589: }

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