=================================================================== RCS file: /home/cvs/OpenXM_contrib2/asir2000/builtin/dp.c,v retrieving revision 1.10 retrieving revision 1.26 diff -u -p -r1.10 -r1.26 --- OpenXM_contrib2/asir2000/builtin/dp.c 2000/12/08 06:43:09 1.10 +++ OpenXM_contrib2/asir2000/builtin/dp.c 2003/01/04 09:06:15 1.26 @@ -45,18 +45,18 @@ * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. * - * $OpenXM: OpenXM_contrib2/asir2000/builtin/dp.c,v 1.9 2000/12/08 02:39:05 noro Exp $ + * $OpenXM: OpenXM_contrib2/asir2000/builtin/dp.c,v 1.25 2002/06/06 01:18:05 noro Exp $ */ #include "ca.h" #include "base.h" #include "parse.h" -extern int dp_fcoeffs; extern int dp_nelim; extern int dp_order_pair_length; extern struct order_pair *dp_order_pair; extern struct order_spec dp_current_spec; +int do_weyl; void Pdp_ord(), Pdp_ptod(), Pdp_dtop(); void Pdp_ptozp(), Pdp_ptozp2(), Pdp_red(), Pdp_red2(), Pdp_lcm(), Pdp_redble(); @@ -68,14 +68,28 @@ void Pdp_nf_mod(),Pdp_true_nf_mod(); void Pdp_criB(),Pdp_nelim(); void Pdp_minp(),Pdp_sp_mod(); void Pdp_homo(),Pdp_dehomo(); -void Pdp_gr_mod_main(); +void Pdp_gr_mod_main(),Pdp_gr_f_main(); void Pdp_gr_main(),Pdp_gr_hm_main(),Pdp_gr_d_main(),Pdp_gr_flags(); -void Pdp_f4_main(),Pdp_f4_mod_main(); +void Pdp_f4_main(),Pdp_f4_mod_main(),Pdp_f4_f_main(); void Pdp_gr_print(); void Pdp_mbase(),Pdp_lnf_mod(),Pdp_nf_tab_mod(),Pdp_mdtod(); void Pdp_vtoe(), Pdp_etov(), Pdp_dtov(), Pdp_idiv(), Pdp_sep(); void Pdp_cont(); +void Pdp_gr_checklist(); +void Pdp_weyl_red(); +void Pdp_weyl_sp(); +void Pdp_weyl_nf(),Pdp_weyl_nf_mod(); +void Pdp_weyl_gr_main(),Pdp_weyl_gr_mod_main(),Pdp_weyl_gr_f_main(); +void Pdp_weyl_f4_main(),Pdp_weyl_f4_mod_main(),Pdp_weyl_f4_f_main(); +void Pdp_weyl_mul(),Pdp_weyl_mul_mod(); +void Pdp_weyl_set_weight(); +void Pdp_set_weight(); +void Pdp_nf_f(),Pdp_weyl_nf_f(); +void Pdp_lnf_f(); + +LIST remove_zero_from_list(LIST); + struct ftab dp_tab[] = { /* content reduction */ {"dp_ptozp",Pdp_ptozp,1}, @@ -84,6 +98,7 @@ struct ftab dp_tab[] = { {"dp_red_coef",Pdp_red_coef,2}, {"dp_cont",Pdp_cont,1}, +/* polynomial ring */ /* s-poly */ {"dp_sp",Pdp_sp,2}, {"dp_sp_mod",Pdp_sp_mod,3}, @@ -94,20 +109,52 @@ struct ftab dp_tab[] = { /* normal form */ {"dp_nf",Pdp_nf,4}, + {"dp_nf_f",Pdp_nf_f,4}, {"dp_true_nf",Pdp_true_nf,4}, {"dp_nf_mod",Pdp_nf_mod,5}, {"dp_true_nf_mod",Pdp_true_nf_mod,5}, {"dp_lnf_mod",Pdp_lnf_mod,3}, {"dp_nf_tab_mod",Pdp_nf_tab_mod,3}, + {"dp_lnf_f",Pdp_lnf_f,2}, /* Buchberger algorithm */ {"dp_gr_main",Pdp_gr_main,5}, {"dp_gr_mod_main",Pdp_gr_mod_main,5}, + {"dp_gr_f_main",Pdp_gr_f_main,5}, + {"dp_gr_checklist",Pdp_gr_checklist,2}, /* F4 algorithm */ {"dp_f4_main",Pdp_f4_main,3}, {"dp_f4_mod_main",Pdp_f4_mod_main,4}, +/* weyl algebra */ + /* multiplication */ + {"dp_weyl_mul",Pdp_weyl_mul,2}, + {"dp_weyl_mul_mod",Pdp_weyl_mul_mod,3}, + + /* s-poly */ + {"dp_weyl_sp",Pdp_weyl_sp,2}, + + /* m-reduction */ + {"dp_weyl_red",Pdp_weyl_red,3}, + + /* normal form */ + {"dp_weyl_nf",Pdp_weyl_nf,4}, + {"dp_weyl_nf_mod",Pdp_weyl_nf_mod,5}, + {"dp_weyl_nf_f",Pdp_weyl_nf_f,4}, + + /* Buchberger algorithm */ + {"dp_weyl_gr_main",Pdp_weyl_gr_main,5}, + {"dp_weyl_gr_mod_main",Pdp_weyl_gr_mod_main,5}, + {"dp_weyl_gr_f_main",Pdp_weyl_gr_f_main,4}, + + /* F4 algorithm */ + {"dp_weyl_f4_main",Pdp_weyl_f4_main,3}, + {"dp_weyl_f4_mod_main",Pdp_weyl_f4_mod_main,4}, + + /* misc */ + {"dp_set_weight",Pdp_set_weight,-1}, + {"dp_weyl_set_weight",Pdp_weyl_set_weight,-1}, {0,0,0}, }; @@ -276,7 +323,7 @@ DP *rp; n = v->len; NEWDL(dl,n); d = dl->d; for ( i = 0, td = 0; i < n; i++ ) { - d[i] = QTOS((Q)(v->body[i])); td += d[i]; + d[i] = QTOS((Q)(v->body[i])); td += MUL_WEIGHT(d[i],i); } dl->td = td; NEWMP(m); m->dl = dl; m->c = (P)ONE; NEXT(m) = 0; @@ -303,6 +350,22 @@ LIST *rp; NEXT(NEXT(n)) = 0; MKLIST(*rp,n); } +void Pdp_lnf_f(arg,rp) +NODE arg; +LIST *rp; +{ + DP r1,r2; + NODE b,g,n; + + asir_assert(ARG0(arg),O_LIST,"dp_lnf_f"); + asir_assert(ARG1(arg),O_LIST,"dp_lnf_f"); + b = BDY((LIST)ARG0(arg)); g = BDY((LIST)ARG1(arg)); + dp_lnf_f((DP)BDY(b),(DP)BDY(NEXT(b)),g,&r1,&r2); + NEWNODE(n); BDY(n) = (pointer)r1; + NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)r2; + NEXT(NEXT(n)) = 0; MKLIST(*rp,n); +} + void Pdp_nf_tab_mod(arg,rp) NODE arg; DP *rp; @@ -445,6 +508,7 @@ DP *rp; DP g; int full; + do_weyl = 0; asir_assert(ARG0(arg),O_LIST,"dp_nf"); asir_assert(ARG1(arg),O_DP,"dp_nf"); asir_assert(ARG2(arg),O_VECT,"dp_nf"); @@ -454,9 +518,110 @@ DP *rp; } b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg)); full = (Q)ARG3(arg) ? 1 : 0; - dp_nf_ptozp(b,g,ps,full,DP_Multiple,rp); + dp_nf_z(b,g,ps,full,DP_Multiple,rp); } +void Pdp_weyl_nf(arg,rp) +NODE arg; +DP *rp; +{ + NODE b; + DP *ps; + DP g; + int full; + + asir_assert(ARG0(arg),O_LIST,"dp_weyl_nf"); + asir_assert(ARG1(arg),O_DP,"dp_weyl_nf"); + asir_assert(ARG2(arg),O_VECT,"dp_weyl_nf"); + asir_assert(ARG3(arg),O_N,"dp_weyl_nf"); + if ( !(g = (DP)ARG1(arg)) ) { + *rp = 0; return; + } + b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg)); + full = (Q)ARG3(arg) ? 1 : 0; + do_weyl = 1; + dp_nf_z(b,g,ps,full,DP_Multiple,rp); + do_weyl = 0; +} + +/* nf computation using field operations */ + +void Pdp_nf_f(arg,rp) +NODE arg; +DP *rp; +{ + NODE b; + DP *ps; + DP g; + int full; + + do_weyl = 0; + asir_assert(ARG0(arg),O_LIST,"dp_nf_f"); + asir_assert(ARG1(arg),O_DP,"dp_nf_f"); + asir_assert(ARG2(arg),O_VECT,"dp_nf_f"); + asir_assert(ARG3(arg),O_N,"dp_nf_f"); + if ( !(g = (DP)ARG1(arg)) ) { + *rp = 0; return; + } + b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg)); + full = (Q)ARG3(arg) ? 1 : 0; + dp_nf_f(b,g,ps,full,rp); +} + +void Pdp_weyl_nf_f(arg,rp) +NODE arg; +DP *rp; +{ + NODE b; + DP *ps; + DP g; + int full; + + asir_assert(ARG0(arg),O_LIST,"dp_weyl_nf_f"); + asir_assert(ARG1(arg),O_DP,"dp_weyl_nf_f"); + asir_assert(ARG2(arg),O_VECT,"dp_weyl_nf_f"); + asir_assert(ARG3(arg),O_N,"dp_weyl_nf_f"); + if ( !(g = (DP)ARG1(arg)) ) { + *rp = 0; return; + } + b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg)); + full = (Q)ARG3(arg) ? 1 : 0; + do_weyl = 1; + dp_nf_f(b,g,ps,full,rp); + do_weyl = 0; +} + +void Pdp_nf_mod(arg,rp) +NODE arg; +DP *rp; +{ + NODE b; + DP g; + DP *ps; + int mod,full,ac; + NODE n,n0; + + do_weyl = 0; + ac = argc(arg); + asir_assert(ARG0(arg),O_LIST,"dp_nf_mod"); + asir_assert(ARG1(arg),O_DP,"dp_nf_mod"); + asir_assert(ARG2(arg),O_VECT,"dp_nf_mod"); + asir_assert(ARG3(arg),O_N,"dp_nf_mod"); + asir_assert(ARG4(arg),O_N,"dp_nf_mod"); + if ( !(g = (DP)ARG1(arg)) ) { + *rp = 0; return; + } + b = BDY((LIST)ARG0(arg)); ps = (DP *)BDY((VECT)ARG2(arg)); + full = QTOS((Q)ARG3(arg)); mod = QTOS((Q)ARG4(arg)); + for ( n0 = n = 0; b; b = NEXT(b) ) { + NEXTNODE(n0,n); + BDY(n) = (pointer)QTOS((Q)BDY(b)); + } + if ( n0 ) + NEXT(n) = 0; + dp_nf_mod(n0,g,ps,mod,full,rp); +} + void Pdp_true_nf(arg,rp) NODE arg; LIST *rp; @@ -468,6 +633,7 @@ LIST *rp; P dn; int full; + do_weyl = 0; asir_assert(ARG0(arg),O_LIST,"dp_true_nf"); asir_assert(ARG1(arg),O_DP,"dp_true_nf"); asir_assert(ARG2(arg),O_VECT,"dp_true_nf"); @@ -484,7 +650,7 @@ LIST *rp; NEXT(NEXT(n)) = 0; MKLIST(*rp,n); } -void Pdp_nf_mod(arg,rp) +void Pdp_weyl_nf_mod(arg,rp) NODE arg; DP *rp; { @@ -495,11 +661,11 @@ DP *rp; NODE n,n0; ac = argc(arg); - asir_assert(ARG0(arg),O_LIST,"dp_nf_mod"); - asir_assert(ARG1(arg),O_DP,"dp_nf_mod"); - asir_assert(ARG2(arg),O_VECT,"dp_nf_mod"); - asir_assert(ARG3(arg),O_N,"dp_nf_mod"); - asir_assert(ARG4(arg),O_N,"dp_nf_mod"); + asir_assert(ARG0(arg),O_LIST,"dp_weyl_nf_mod"); + asir_assert(ARG1(arg),O_DP,"dp_weyl_nf_mod"); + asir_assert(ARG2(arg),O_VECT,"dp_weyl_nf_mod"); + asir_assert(ARG3(arg),O_N,"dp_weyl_nf_mod"); + asir_assert(ARG4(arg),O_N,"dp_weyl_nf_mod"); if ( !(g = (DP)ARG1(arg)) ) { *rp = 0; return; } @@ -511,7 +677,9 @@ DP *rp; } if ( n0 ) NEXT(n) = 0; - dp_nf_mod(n,g,ps,mod,full,rp); + do_weyl = 1; + dp_nf_mod(n0,g,ps,mod,full,rp); + do_weyl = 0; } void Pdp_true_nf_mod(arg,rp) @@ -525,6 +693,7 @@ LIST *rp; int mod,full; NODE n; + do_weyl = 0; asir_assert(ARG0(arg),O_LIST,"dp_nf_mod"); asir_assert(ARG1(arg),O_DP,"dp_nf_mod"); asir_assert(ARG2(arg),O_VECT,"dp_nf_mod"); @@ -619,6 +788,7 @@ LIST *rp; P dmy; NODE n; + do_weyl = 0; asir_assert(ARG0(arg),O_DP,"dp_red_mod"); asir_assert(ARG1(arg),O_DP,"dp_red_mod"); asir_assert(ARG2(arg),O_DP,"dp_red_mod"); @@ -629,6 +799,7 @@ LIST *rp; NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)r; NEXT(NEXT(n)) = 0; MKLIST(*rp,n); } + void Pdp_subd(arg,rp) NODE arg; DP *rp; @@ -641,6 +812,35 @@ DP *rp; dp_subd(p1,p2,rp); } +void Pdp_weyl_mul(arg,rp) +NODE arg; +DP *rp; +{ + DP p1,p2; + + p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg); + asir_assert(p1,O_DP,"dp_weyl_mul"); asir_assert(p2,O_DP,"dp_mul"); + do_weyl = 1; + muld(CO,p1,p2,rp); + do_weyl = 0; +} + +void Pdp_weyl_mul_mod(arg,rp) +NODE arg; +DP *rp; +{ + DP p1,p2; + Q m; + + p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg); m = (Q)ARG2(arg); + asir_assert(p1,O_DP,"dp_weyl_mul_mod"); + asir_assert(p2,O_DP,"dp_mul_mod"); + asir_assert(m,O_N,"dp_mul_mod"); + do_weyl = 1; + mulmd(CO,QTOS(m),p1,p2,rp); + do_weyl = 0; +} + void Pdp_red(arg,rp) NODE arg; LIST *rp; @@ -649,6 +849,7 @@ LIST *rp; DP head,rest,dmy1; P dmy; + do_weyl = 0; asir_assert(ARG0(arg),O_DP,"dp_red"); asir_assert(ARG1(arg),O_DP,"dp_red"); asir_assert(ARG2(arg),O_DP,"dp_red"); @@ -658,17 +859,50 @@ LIST *rp; NEXT(NEXT(n)) = 0; MKLIST(*rp,n); } +void Pdp_weyl_red(arg,rp) +NODE arg; +LIST *rp; +{ + NODE n; + DP head,rest,dmy1; + P dmy; + + asir_assert(ARG0(arg),O_DP,"dp_weyl_red"); + asir_assert(ARG1(arg),O_DP,"dp_weyl_red"); + asir_assert(ARG2(arg),O_DP,"dp_weyl_red"); + do_weyl = 1; + dp_red((DP)ARG0(arg),(DP)ARG1(arg),(DP)ARG2(arg),&head,&rest,&dmy,&dmy1); + do_weyl = 0; + NEWNODE(n); BDY(n) = (pointer)head; + NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)rest; + NEXT(NEXT(n)) = 0; MKLIST(*rp,n); +} + void Pdp_sp(arg,rp) NODE arg; DP *rp; { DP p1,p2; + do_weyl = 0; p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg); asir_assert(p1,O_DP,"dp_sp"); asir_assert(p2,O_DP,"dp_sp"); dp_sp(p1,p2,rp); } +void Pdp_weyl_sp(arg,rp) +NODE arg; +DP *rp; +{ + DP p1,p2; + + p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg); + asir_assert(p1,O_DP,"dp_weyl_sp"); asir_assert(p2,O_DP,"dp_sp"); + do_weyl = 1; + dp_sp(p1,p2,rp); + do_weyl = 0; +} + void Pdp_sp_mod(arg,rp) NODE arg; DP *rp; @@ -676,6 +910,7 @@ DP *rp; DP p1,p2; int mod; + do_weyl = 0; p1 = (DP)ARG0(arg); p2 = (DP)ARG1(arg); asir_assert(p1,O_DP,"dp_sp_mod"); asir_assert(p2,O_DP,"dp_sp_mod"); asir_assert(ARG2(arg),O_N,"dp_sp_mod"); @@ -697,7 +932,7 @@ DP *rp; n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; NEWDL(d,n); for ( i = 0, td = 0; i < n; i++ ) { - d->d[i] = MAX(d1->d[i],d2->d[i]); td += d->d[i]; + d->d[i] = MAX(d1->d[i],d2->d[i]); td += MUL_WEIGHT(d->d[i],i); } d->td = td; NEWMP(m); m->dl = d; m->c = (P)ONE; NEXT(m) = 0; @@ -1006,11 +1241,16 @@ LIST *rp; int modular; struct order_spec ord; + do_weyl = 0; asir_assert(ARG0(arg),O_LIST,"dp_gr_main"); asir_assert(ARG1(arg),O_LIST,"dp_gr_main"); asir_assert(ARG2(arg),O_N,"dp_gr_main"); asir_assert(ARG3(arg),O_N,"dp_gr_main"); f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); + f = remove_zero_from_list(f); + if ( !BDY(f) ) { + *rp = f; return; + } homo = (Num)ARG2(arg); m = (Q)ARG3(arg); if ( !m ) @@ -1020,9 +1260,49 @@ LIST *rp; else modular = QTOS(m); create_order_spec(ARG4(arg),&ord); - dp_gr_main(f,v,homo,modular,&ord,rp); + dp_gr_main(f,v,homo,modular,0,&ord,rp); } +void Pdp_gr_f_main(arg,rp) +NODE arg; +LIST *rp; +{ + LIST f,v; + Num homo; + int m,field,t; + struct order_spec ord; + NODE n; + + do_weyl = 0; + asir_assert(ARG0(arg),O_LIST,"dp_gr_f_main"); + asir_assert(ARG1(arg),O_LIST,"dp_gr_f_main"); + asir_assert(ARG2(arg),O_N,"dp_gr_f_main"); + asir_assert(ARG3(arg),O_N,"dp_gr_f_main"); + f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); + f = remove_zero_from_list(f); + if ( !BDY(f) ) { + *rp = f; return; + } + homo = (Num)ARG2(arg); + m = QTOS((Q)ARG3(arg)); + if ( m ) + error("dp_gr_f_main : trace lifting is not implemented yet"); + create_order_spec(ARG4(arg),&ord); + field = 0; + for ( n = BDY(f); n; n = NEXT(n) ) { + t = get_field_type(BDY(n)); + if ( !t ) + continue; + if ( t < 0 ) + error("dp_gr_f_main : incosistent coefficients"); + if ( !field ) + field = t; + else if ( t != field ) + error("dp_gr_f_main : incosistent coefficients"); + } + dp_gr_main(f,v,homo,m?1:0,field,&ord,rp); +} + void Pdp_f4_main(arg,rp) NODE arg; LIST *rp; @@ -1030,13 +1310,38 @@ LIST *rp; LIST f,v; struct order_spec ord; + do_weyl = 0; asir_assert(ARG0(arg),O_LIST,"dp_f4_main"); asir_assert(ARG1(arg),O_LIST,"dp_f4_main"); f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); + f = remove_zero_from_list(f); + if ( !BDY(f) ) { + *rp = f; return; + } create_order_spec(ARG2(arg),&ord); dp_f4_main(f,v,&ord,rp); } +/* dp_gr_checklist(list of dp) */ + +void Pdp_gr_checklist(arg,rp) +NODE arg; +LIST *rp; +{ + VECT g; + LIST dp; + NODE r; + int n; + + do_weyl = 0; + asir_assert(ARG0(arg),O_LIST,"dp_gr_checklist"); + asir_assert(ARG1(arg),O_N,"dp_gr_checklist"); + n = QTOS((Q)ARG1(arg)); + gbcheck_list(BDY((LIST)ARG0(arg)),n,&g,&dp); + r = mknode(2,g,dp); + MKLIST(*rp,r); +} + void Pdp_f4_mod_main(arg,rp) NODE arg; LIST *rp; @@ -1045,10 +1350,17 @@ LIST *rp; int m; struct order_spec ord; - asir_assert(ARG0(arg),O_LIST,"dp_f4_main"); - asir_assert(ARG1(arg),O_LIST,"dp_f4_main"); - asir_assert(ARG2(arg),O_N,"dp_f4_main"); + do_weyl = 0; + asir_assert(ARG0(arg),O_LIST,"dp_f4_mod_main"); + asir_assert(ARG1(arg),O_LIST,"dp_f4_mod_main"); + asir_assert(ARG2(arg),O_N,"dp_f4_mod_main"); f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); m = QTOS((Q)ARG2(arg)); + f = remove_zero_from_list(f); + if ( !BDY(f) ) { + *rp = f; return; + } + if ( !m ) + error("dp_f4_mod_main : invalid argument"); create_order_spec(ARG3(arg),&ord); dp_f4_mod_main(f,v,m,&ord,rp); } @@ -1062,13 +1374,245 @@ LIST *rp; int m; struct order_spec ord; + do_weyl = 0; asir_assert(ARG0(arg),O_LIST,"dp_gr_mod_main"); asir_assert(ARG1(arg),O_LIST,"dp_gr_mod_main"); asir_assert(ARG2(arg),O_N,"dp_gr_mod_main"); asir_assert(ARG3(arg),O_N,"dp_gr_mod_main"); f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); + f = remove_zero_from_list(f); + if ( !BDY(f) ) { + *rp = f; return; + } homo = (Num)ARG2(arg); m = QTOS((Q)ARG3(arg)); + if ( !m ) + error("dp_gr_mod_main : invalid argument"); create_order_spec(ARG4(arg),&ord); dp_gr_mod_main(f,v,homo,m,&ord,rp); } +/* for Weyl algebra */ + +void Pdp_weyl_gr_main(arg,rp) +NODE arg; +LIST *rp; +{ + LIST f,v; + Num homo; + Q m; + int modular; + struct order_spec ord; + + asir_assert(ARG0(arg),O_LIST,"dp_weyl_gr_main"); + asir_assert(ARG1(arg),O_LIST,"dp_weyl_gr_main"); + asir_assert(ARG2(arg),O_N,"dp_weyl_gr_main"); + asir_assert(ARG3(arg),O_N,"dp_weyl_gr_main"); + f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); + f = remove_zero_from_list(f); + if ( !BDY(f) ) { + *rp = f; return; + } + homo = (Num)ARG2(arg); + m = (Q)ARG3(arg); + if ( !m ) + modular = 0; + else if ( PL(NM(m))>1 || (PL(NM(m)) == 1 && BD(NM(m))[0] >= 0x80000000) ) + error("dp_gr_main : too large modulus"); + else + modular = QTOS(m); + create_order_spec(ARG4(arg),&ord); + do_weyl = 1; + dp_gr_main(f,v,homo,modular,0,&ord,rp); + do_weyl = 0; +} + +void Pdp_weyl_gr_f_main(arg,rp) +NODE arg; +LIST *rp; +{ + LIST f,v; + Num homo; + struct order_spec ord; + + asir_assert(ARG0(arg),O_LIST,"dp_weyl_gr_main"); + asir_assert(ARG1(arg),O_LIST,"dp_weyl_gr_main"); + asir_assert(ARG2(arg),O_N,"dp_weyl_gr_main"); + asir_assert(ARG3(arg),O_N,"dp_weyl_gr_main"); + f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); + f = remove_zero_from_list(f); + if ( !BDY(f) ) { + *rp = f; return; + } + homo = (Num)ARG2(arg); + create_order_spec(ARG3(arg),&ord); + do_weyl = 1; + dp_gr_main(f,v,homo,0,1,&ord,rp); + do_weyl = 0; +} + +void Pdp_weyl_f4_main(arg,rp) +NODE arg; +LIST *rp; +{ + LIST f,v; + struct order_spec ord; + + asir_assert(ARG0(arg),O_LIST,"dp_weyl_f4_main"); + asir_assert(ARG1(arg),O_LIST,"dp_weyl_f4_main"); + f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); + f = remove_zero_from_list(f); + if ( !BDY(f) ) { + *rp = f; return; + } + create_order_spec(ARG2(arg),&ord); + do_weyl = 1; + dp_f4_main(f,v,&ord,rp); + do_weyl = 0; +} + +void Pdp_weyl_f4_mod_main(arg,rp) +NODE arg; +LIST *rp; +{ + LIST f,v; + int m; + struct order_spec ord; + + asir_assert(ARG0(arg),O_LIST,"dp_weyl_f4_main"); + asir_assert(ARG1(arg),O_LIST,"dp_weyl_f4_main"); + asir_assert(ARG2(arg),O_N,"dp_f4_main"); + f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); m = QTOS((Q)ARG2(arg)); + f = remove_zero_from_list(f); + if ( !BDY(f) ) { + *rp = f; return; + } + if ( !m ) + error("dp_weyl_f4_mod_main : invalid argument"); + create_order_spec(ARG3(arg),&ord); + do_weyl = 1; + dp_f4_mod_main(f,v,m,&ord,rp); + do_weyl = 0; +} + +void Pdp_weyl_gr_mod_main(arg,rp) +NODE arg; +LIST *rp; +{ + LIST f,v; + Num homo; + int m; + struct order_spec ord; + + asir_assert(ARG0(arg),O_LIST,"dp_weyl_gr_mod_main"); + asir_assert(ARG1(arg),O_LIST,"dp_weyl_gr_mod_main"); + asir_assert(ARG2(arg),O_N,"dp_weyl_gr_mod_main"); + asir_assert(ARG3(arg),O_N,"dp_weyl_gr_mod_main"); + f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); + f = remove_zero_from_list(f); + if ( !BDY(f) ) { + *rp = f; return; + } + homo = (Num)ARG2(arg); m = QTOS((Q)ARG3(arg)); + if ( !m ) + error("dp_weyl_gr_mod_main : invalid argument"); + create_order_spec(ARG4(arg),&ord); + do_weyl = 1; + dp_gr_mod_main(f,v,homo,m,&ord,rp); + do_weyl = 0; +} + +static VECT current_dl_weight_vector_obj; +int *current_dl_weight_vector; + +void Pdp_set_weight(arg,rp) +NODE arg; +VECT *rp; +{ + VECT v; + int i,n; + + if ( !arg ) + *rp = current_dl_weight_vector_obj; + else if ( !ARG0(arg) ) { + current_dl_weight_vector_obj = 0; + current_dl_weight_vector = 0; + *rp = 0; + } else { + asir_assert(ARG0(arg),O_VECT,"dp_set_weight"); + v = (VECT)ARG0(arg); + current_dl_weight_vector_obj = v; + n = v->len; + current_dl_weight_vector = (int *)CALLOC(n,sizeof(int)); + for ( i = 0; i < n; i++ ) + current_dl_weight_vector[i] = QTOS((Q)v->body[i]); + *rp = v; + } +} + +static VECT current_weyl_weight_vector_obj; +int *current_weyl_weight_vector; + +void Pdp_weyl_set_weight(arg,rp) +NODE arg; +VECT *rp; +{ + VECT v; + int i,n; + + if ( !arg ) + *rp = current_weyl_weight_vector_obj; + else { + asir_assert(ARG0(arg),O_VECT,"dp_weyl_set_weight"); + v = (VECT)ARG0(arg); + current_weyl_weight_vector_obj = v; + n = v->len; + current_weyl_weight_vector = (int *)CALLOC(n,sizeof(int)); + for ( i = 0; i < n; i++ ) + current_weyl_weight_vector[i] = QTOS((Q)v->body[i]); + *rp = v; + } +} + +LIST remove_zero_from_list(LIST l) +{ + NODE n,r0,r; + LIST rl; + + asir_assert(l,O_LIST,"remove_zero_from_list"); + n = BDY(l); + for ( r0 = 0; n; n = NEXT(n) ) + if ( BDY(n) ) { + NEXTNODE(r0,r); + BDY(r) = BDY(n); + } + if ( r0 ) + NEXT(r) = 0; + MKLIST(rl,r0); + return rl; +} + +int get_field_type(P p) +{ + int type,t; + DCP dc; + + if ( !p ) + return 0; + else if ( NUM(p) ) + return NID((Num)p); + else { + type = 0; + for ( dc = DC(p); dc; dc = NEXT(dc) ) { + t = get_field_type(COEF(dc)); + if ( !t ) + continue; + if ( t < 0 ) + return t; + if ( !type ) + type = t; + else if ( t != type ) + return -1; + } + return type; + } +}