version 1.4, 2000/07/14 08:26:39 |
version 1.8, 2000/12/05 06:59:15 |
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/* $OpenXM: OpenXM_contrib2/asir2000/builtin/dp.c,v 1.3 2000/05/29 08:54:45 noro Exp $ */ |
/* |
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* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED |
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* All rights reserved. |
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* |
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* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited, |
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* non-exclusive and royalty-free license to use, copy, modify and |
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* redistribute, solely for non-commercial and non-profit purposes, the |
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* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and |
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* conditions of this Agreement. For the avoidance of doubt, you acquire |
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* only a limited right to use the SOFTWARE hereunder, and FLL or any |
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* third party developer retains all rights, including but not limited to |
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* copyrights, in and to the SOFTWARE. |
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* |
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* (1) FLL does not grant you a license in any way for commercial |
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* purposes. You may use the SOFTWARE only for non-commercial and |
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* non-profit purposes only, such as academic, research and internal |
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* business use. |
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* (2) The SOFTWARE is protected by the Copyright Law of Japan and |
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* international copyright treaties. If you make copies of the SOFTWARE, |
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* with or without modification, as permitted hereunder, you shall affix |
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* to all such copies of the SOFTWARE the above copyright notice. |
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* (3) An explicit reference to this SOFTWARE and its copyright owner |
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* shall be made on your publication or presentation in any form of the |
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* results obtained by use of the SOFTWARE. |
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* (4) In the event that you modify the SOFTWARE, you shall notify FLL by |
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* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification |
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* for such modification or the source code of the modified part of the |
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* SOFTWARE. |
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* |
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* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL |
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* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND |
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* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES' |
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* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY |
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* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY. |
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* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT, |
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* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL |
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* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES |
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* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES |
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* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY |
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* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF |
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* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART |
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* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
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* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
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* |
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* $OpenXM: OpenXM_contrib2/asir2000/builtin/dp.c,v 1.7 2000/12/05 01:24:50 noro Exp $ |
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*/ |
#include "ca.h" |
#include "ca.h" |
#include "base.h" |
#include "base.h" |
#include "parse.h" |
#include "parse.h" |
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extern int dp_fcoeffs; |
extern int dp_fcoeffs; |
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extern int dp_nelim; |
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extern int dp_order_pair_length; |
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extern struct order_pair *dp_order_pair; |
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extern struct order_spec dp_current_spec; |
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void Pdp_ord(), Pdp_ptod(), Pdp_dtop(); |
void Pdp_ord(), Pdp_ptod(), Pdp_dtop(); |
void Pdp_ptozp(), Pdp_ptozp2(), Pdp_red(), Pdp_red2(), Pdp_lcm(), Pdp_redble(); |
void Pdp_ptozp(), Pdp_ptozp2(), Pdp_red(), Pdp_red2(), Pdp_lcm(), Pdp_redble(); |
void Pdp_sp(), Pdp_hm(), Pdp_ht(), Pdp_hc(), Pdp_rest(), Pdp_td(), Pdp_sugar(); |
void Pdp_sp(), Pdp_hm(), Pdp_ht(), Pdp_hc(), Pdp_rest(), Pdp_td(), Pdp_sugar(); |
Line 19 void Pdp_gr_mod_main(); |
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Line 72 void Pdp_gr_mod_main(); |
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void Pdp_gr_main(),Pdp_gr_hm_main(),Pdp_gr_d_main(),Pdp_gr_flags(); |
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(); |
void Pdp_gr_print(); |
void Pdp_gr_print(); |
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void Pdp_mbase(),Pdp_lnf_mod(),Pdp_nf_tab_mod(),Pdp_mdtod(); |
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void Pdp_vtoe(), Pdp_etov(), Pdp_dtov(), Pdp_idiv(), Pdp_sep(); |
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void Pdp_cont(); |
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struct ftab dp_tab[] = { |
struct ftab dp_tab[] = { |
{"dp_ord",Pdp_ord,-1}, |
/* content reduction */ |
{"dp_ptod",Pdp_ptod,2}, |
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{"dp_dtop",Pdp_dtop,2}, |
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{"dp_ptozp",Pdp_ptozp,1}, |
{"dp_ptozp",Pdp_ptozp,1}, |
{"dp_ptozp2",Pdp_ptozp2,2}, |
{"dp_ptozp2",Pdp_ptozp2,2}, |
{"dp_prim",Pdp_prim,1}, |
{"dp_prim",Pdp_prim,1}, |
{"dp_redble",Pdp_redble,2}, |
{"dp_red_coef",Pdp_red_coef,2}, |
{"dp_subd",Pdp_subd,2}, |
{"dp_cont",Pdp_cont,1}, |
{"dp_red",Pdp_red,3}, |
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{"dp_red_mod",Pdp_red_mod,4}, |
/* s-poly */ |
{"dp_sp",Pdp_sp,2}, |
{"dp_sp",Pdp_sp,2}, |
{"dp_sp_mod",Pdp_sp_mod,3}, |
{"dp_sp_mod",Pdp_sp_mod,3}, |
{"dp_lcm",Pdp_lcm,2}, |
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{"dp_hm",Pdp_hm,1}, |
/* m-reduction */ |
{"dp_ht",Pdp_ht,1}, |
{"dp_red",Pdp_red,3}, |
{"dp_hc",Pdp_hc,1}, |
{"dp_red_mod",Pdp_red_mod,4}, |
{"dp_rest",Pdp_rest,1}, |
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{"dp_td",Pdp_td,1}, |
/* normal form */ |
{"dp_sugar",Pdp_sugar,1}, |
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{"dp_cri1",Pdp_cri1,2}, |
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{"dp_cri2",Pdp_cri2,2}, |
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{"dp_criB",Pdp_criB,3}, |
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{"dp_minp",Pdp_minp,2}, |
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{"dp_mod",Pdp_mod,3}, |
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{"dp_rat",Pdp_rat,1}, |
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{"dp_tdiv",Pdp_tdiv,2}, |
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{"dp_red_coef",Pdp_red_coef,2}, |
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{"dp_nelim",Pdp_nelim,-1}, |
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{"dp_mag",Pdp_mag,1}, |
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{"dp_set_kara",Pdp_set_kara,-1}, |
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{"dp_nf",Pdp_nf,4}, |
{"dp_nf",Pdp_nf,4}, |
{"dp_true_nf",Pdp_true_nf,4}, |
{"dp_true_nf",Pdp_true_nf,4}, |
{"dp_nf_ptozp",Pdp_nf_ptozp,5}, |
{"dp_nf_ptozp",Pdp_nf_ptozp,5}, |
{"dp_nf_demand",Pdp_nf_demand,5}, |
{"dp_nf_demand",Pdp_nf_demand,5}, |
{"dp_nf_mod",Pdp_nf_mod,5}, |
{"dp_nf_mod",Pdp_nf_mod,5}, |
{"dp_true_nf_mod",Pdp_true_nf_mod,5}, |
{"dp_true_nf_mod",Pdp_true_nf_mod,5}, |
{"dp_homo",Pdp_homo,1}, |
{"dp_lnf_mod",Pdp_lnf_mod,3}, |
{"dp_dehomo",Pdp_dehomo,1}, |
{"dp_nf_tab_mod",Pdp_nf_tab_mod,3}, |
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/* Buchberger algorithm */ |
{"dp_gr_main",Pdp_gr_main,5}, |
{"dp_gr_main",Pdp_gr_main,5}, |
/* {"dp_gr_hm_main",Pdp_gr_hm_main,5}, */ |
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/* {"dp_gr_d_main",Pdp_gr_d_main,6}, */ |
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{"dp_gr_mod_main",Pdp_gr_mod_main,5}, |
{"dp_gr_mod_main",Pdp_gr_mod_main,5}, |
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/* F4 algorithm */ |
{"dp_f4_main",Pdp_f4_main,3}, |
{"dp_f4_main",Pdp_f4_main,3}, |
{"dp_f4_mod_main",Pdp_f4_mod_main,4}, |
{"dp_f4_mod_main",Pdp_f4_mod_main,4}, |
{"dp_gr_flags",Pdp_gr_flags,-1}, |
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{"dp_gr_print",Pdp_gr_print,-1}, |
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{0,0,0}, |
{0,0,0}, |
}; |
}; |
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extern int dp_nelim; |
struct ftab dp_supp_tab[] = { |
extern int dp_order_pair_length; |
/* setting flags */ |
extern struct order_pair *dp_order_pair; |
{"dp_ord",Pdp_ord,-1}, |
extern struct order_spec dp_current_spec; |
{"dp_set_kara",Pdp_set_kara,-1}, |
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{"dp_nelim",Pdp_nelim,-1}, |
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{"dp_gr_flags",Pdp_gr_flags,-1}, |
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{"dp_gr_print",Pdp_gr_print,-1}, |
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void Pdp_ord(arg,rp) |
/* converters */ |
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{"dp_ptod",Pdp_ptod,2}, |
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{"dp_dtop",Pdp_dtop,2}, |
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{"dp_homo",Pdp_homo,1}, |
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{"dp_dehomo",Pdp_dehomo,1}, |
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{"dp_etov",Pdp_etov,1}, |
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{"dp_vtoe",Pdp_vtoe,1}, |
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{"dp_dtov",Pdp_dtov,1}, |
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{"dp_mdtod",Pdp_mdtod,1}, |
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{"dp_mod",Pdp_mod,3}, |
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{"dp_rat",Pdp_rat,1}, |
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/* criteria */ |
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{"dp_cri1",Pdp_cri1,2}, |
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{"dp_cri2",Pdp_cri2,2}, |
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{"dp_criB",Pdp_criB,3}, |
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/* simple operation */ |
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{"dp_subd",Pdp_subd,2}, |
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{"dp_lcm",Pdp_lcm,2}, |
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{"dp_hm",Pdp_hm,1}, |
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{"dp_ht",Pdp_ht,1}, |
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{"dp_hc",Pdp_hc,1}, |
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{"dp_rest",Pdp_rest,1}, |
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/* degree and size */ |
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{"dp_td",Pdp_td,1}, |
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{"dp_mag",Pdp_mag,1}, |
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{"dp_sugar",Pdp_sugar,1}, |
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/* misc */ |
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{"dp_mbase",Pdp_mbase,1}, |
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{"dp_redble",Pdp_redble,2}, |
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{"dp_sep",Pdp_sep,2}, |
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{"dp_idiv",Pdp_idiv,2}, |
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{"dp_tdiv",Pdp_tdiv,2}, |
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{"dp_minp",Pdp_minp,2}, |
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{0,0,0} |
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}; |
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void Pdp_mdtod(arg,rp) |
NODE arg; |
NODE arg; |
Obj *rp; |
DP *rp; |
{ |
{ |
struct order_spec spec; |
MP m,mr,mr0; |
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DP p; |
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P t; |
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if ( !arg ) |
p = (DP)ARG0(arg); |
*rp = dp_current_spec.obj; |
if ( !p ) |
else if ( !create_order_spec((Obj)ARG0(arg),&spec) ) |
*rp = 0; |
error("dp_ord : invalid order specification"); |
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else { |
else { |
initd(&spec); *rp = spec.obj; |
for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) { |
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mptop(m->c,&t); NEXTMP(mr0,mr); mr->c = t; mr->dl = m->dl; |
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} |
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NEXT(mr) = 0; MKDP(p->nv,mr0,*rp); (*rp)->sugar = p->sugar; |
} |
} |
} |
} |
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int create_order_spec(obj,spec) |
void Pdp_sep(arg,rp) |
Obj obj; |
NODE arg; |
struct order_spec *spec; |
VECT *rp; |
{ |
{ |
int i,j,n,s,row,col; |
DP p,r; |
struct order_pair *l; |
MP m,t; |
NODE node,t,tn; |
MP *w0,*w; |
MAT m; |
int i,n,d,nv,sugar; |
pointer **b; |
VECT v; |
int **w; |
pointer *pv; |
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if ( !obj || NUM(obj) ) { |
p = (DP)ARG0(arg); m = BDY(p); |
spec->id = 0; spec->obj = obj; |
d = QTOS((Q)ARG1(arg)); |
spec->ord.simple = QTOS((Q)obj); |
for ( t = m, n = 0; t; t = NEXT(t), n++ ); |
return 1; |
if ( d > n ) |
} else if ( OID(obj) == O_LIST ) { |
d = n; |
node = BDY((LIST)obj); |
MKVECT(v,d); *rp = v; |
for ( n = 0, t = node; t; t = NEXT(t), n++ ); |
pv = BDY(v); nv = p->nv; sugar = p->sugar; |
l = (struct order_pair *)MALLOC_ATOMIC(n*sizeof(struct order_pair)); |
w0 = (MP *)MALLOC(d*sizeof(MP)); bzero(w0,d*sizeof(MP)); |
for ( i = 0, t = node, s = 0; i < n; t = NEXT(t), i++ ) { |
w = (MP *)MALLOC(d*sizeof(MP)); bzero(w,d*sizeof(MP)); |
tn = BDY((LIST)BDY(t)); l[i].order = QTOS((Q)BDY(tn)); |
for ( t = BDY(p), i = 0; t; t = NEXT(t), i++, i %= d ) { |
tn = NEXT(tn); l[i].length = QTOS((Q)BDY(tn)); |
NEXTMP(w0[i],w[i]); w[i]->c = t->c; w[i]->dl = t->dl; |
s += l[i].length; |
} |
} |
for ( i = 0; i < d; i++ ) { |
spec->id = 1; spec->obj = obj; |
NEXT(w[i]) = 0; MKDP(nv,w0[i],r); r->sugar = sugar; |
spec->ord.block.order_pair = l; |
pv[i] = (pointer)r; |
spec->ord.block.length = n; spec->nv = s; |
} |
return 1; |
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} else if ( OID(obj) == O_MAT ) { |
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m = (MAT)obj; row = m->row; col = m->col; b = BDY(m); |
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w = almat(row,col); |
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for ( i = 0; i < row; i++ ) |
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for ( j = 0; j < col; j++ ) |
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w[i][j] = QTOS((Q)b[i][j]); |
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spec->id = 2; spec->obj = obj; |
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spec->nv = col; spec->ord.matrix.row = row; |
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spec->ord.matrix.matrix = w; |
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return 1; |
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} else |
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return 0; |
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} |
} |
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void homogenize_order(old,n,new) |
void Pdp_idiv(arg,rp) |
struct order_spec *old,*new; |
NODE arg; |
int n; |
DP *rp; |
{ |
{ |
struct order_pair *l; |
dp_idiv((DP)ARG0(arg),(Q)ARG1(arg),rp); |
int length,nv,row,i,j; |
} |
int **newm,**oldm; |
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switch ( old->id ) { |
void Pdp_cont(arg,rp) |
case 0: |
NODE arg; |
switch ( old->ord.simple ) { |
Q *rp; |
case 0: |
{ |
new->id = 0; new->ord.simple = 0; break; |
dp_cont((DP)ARG0(arg),rp); |
case 1: |
} |
l = (struct order_pair *) |
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MALLOC_ATOMIC(2*sizeof(struct order_pair)); |
void Pdp_dtov(arg,rp) |
l[0].length = n; l[0].order = 1; |
NODE arg; |
l[1].length = 1; l[1].order = 2; |
VECT *rp; |
new->id = 1; |
{ |
new->ord.block.order_pair = l; |
dp_dtov((DP)ARG0(arg),rp); |
new->ord.block.length = 2; new->nv = n+1; |
} |
break; |
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case 2: |
void Pdp_mbase(arg,rp) |
new->id = 0; new->ord.simple = 1; break; |
NODE arg; |
case 3: case 4: case 5: |
LIST *rp; |
new->id = 0; new->ord.simple = old->ord.simple+3; |
{ |
dp_nelim = n-1; break; |
NODE mb; |
case 6: case 7: case 8: case 9: |
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new->id = 0; new->ord.simple = old->ord.simple; break; |
asir_assert(ARG0(arg),O_LIST,"dp_mbase"); |
default: |
dp_mbase(BDY((LIST)ARG0(arg)),&mb); |
error("homogenize_order : invalid input"); |
MKLIST(*rp,mb); |
} |
} |
break; |
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case 1: |
void Pdp_etov(arg,rp) |
length = old->ord.block.length; |
NODE arg; |
l = (struct order_pair *) |
VECT *rp; |
MALLOC_ATOMIC((length+1)*sizeof(struct order_pair)); |
{ |
bcopy((char *)old->ord.block.order_pair,(char *)l,length*sizeof(struct order_pair)); |
DP dp; |
l[length].order = 2; l[length].length = 1; |
int n,i; |
new->id = 1; new->nv = n+1; |
int *d; |
new->ord.block.order_pair = l; |
VECT v; |
new->ord.block.length = length+1; |
Q t; |
break; |
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case 2: |
dp = (DP)ARG0(arg); |
nv = old->nv; row = old->ord.matrix.row; |
asir_assert(dp,O_DP,"dp_etov"); |
oldm = old->ord.matrix.matrix; newm = almat(row+1,nv+1); |
n = dp->nv; d = BDY(dp)->dl->d; |
for ( i = 0; i <= nv; i++ ) |
MKVECT(v,n); |
newm[0][i] = 1; |
for ( i = 0; i < n; i++ ) { |
for ( i = 0; i < row; i++ ) { |
STOQ(d[i],t); v->body[i] = (pointer)t; |
for ( j = 0; j < nv; j++ ) |
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newm[i+1][j] = oldm[i][j]; |
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newm[i+1][j] = 0; |
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} |
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new->id = 2; new->nv = nv+1; |
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new->ord.matrix.row = row+1; new->ord.matrix.matrix = newm; |
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break; |
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default: |
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error("homogenize_order : invalid input"); |
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} |
} |
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*rp = v; |
} |
} |
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void Pdp_vtoe(arg,rp) |
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NODE arg; |
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DP *rp; |
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{ |
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DP dp; |
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DL dl; |
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MP m; |
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int n,i,td; |
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int *d; |
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VECT v; |
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v = (VECT)ARG0(arg); |
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asir_assert(v,O_VECT,"dp_vtoe"); |
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n = v->len; |
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NEWDL(dl,n); d = dl->d; |
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for ( i = 0, td = 0; i < n; i++ ) { |
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d[i] = QTOS((Q)(v->body[i])); td += d[i]; |
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} |
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dl->td = td; |
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NEWMP(m); m->dl = dl; m->c = (P)ONE; NEXT(m) = 0; |
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MKDP(n,m,dp); dp->sugar = td; |
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*rp = dp; |
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} |
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void Pdp_lnf_mod(arg,rp) |
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NODE arg; |
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LIST *rp; |
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{ |
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DP r1,r2; |
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NODE b,g,n; |
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int mod; |
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asir_assert(ARG0(arg),O_LIST,"dp_lnf_mod"); |
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asir_assert(ARG1(arg),O_LIST,"dp_lnf_mod"); |
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asir_assert(ARG2(arg),O_N,"dp_lnf_mod"); |
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b = BDY((LIST)ARG0(arg)); g = BDY((LIST)ARG1(arg)); |
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mod = QTOS((Q)ARG2(arg)); |
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dp_lnf_mod((DP)BDY(b),(DP)BDY(NEXT(b)),g,mod,&r1,&r2); |
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NEWNODE(n); BDY(n) = (pointer)r1; |
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NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)r2; |
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NEXT(NEXT(n)) = 0; MKLIST(*rp,n); |
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} |
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void Pdp_nf_tab_mod(arg,rp) |
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NODE arg; |
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DP *rp; |
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{ |
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asir_assert(ARG0(arg),O_DP,"dp_nf_tab_mod"); |
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asir_assert(ARG1(arg),O_VECT,"dp_nf_tab_mod"); |
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asir_assert(ARG2(arg),O_N,"dp_nf_tab_mod"); |
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dp_nf_tab_mod((DP)ARG0(arg),(LIST *)BDY((VECT)ARG1(arg)), |
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QTOS((Q)ARG2(arg)),rp); |
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} |
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void Pdp_ord(arg,rp) |
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NODE arg; |
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Obj *rp; |
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{ |
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struct order_spec spec; |
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if ( !arg ) |
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*rp = dp_current_spec.obj; |
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else if ( !create_order_spec((Obj)ARG0(arg),&spec) ) |
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error("dp_ord : invalid order specification"); |
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else { |
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initd(&spec); *rp = spec.obj; |
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} |
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} |
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void Pdp_ptod(arg,rp) |
void Pdp_ptod(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
DP *rp; |
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DP *rp; |
DP *rp; |
{ |
{ |
asir_assert(ARG0(arg),O_DP,"dp_ptozp"); |
asir_assert(ARG0(arg),O_DP,"dp_ptozp"); |
#if INET |
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if ( Dist ) |
if ( Dist ) |
dp_ptozp_d(BDY(Dist),length(BDY(Dist)),(DP)ARG0(arg),rp); |
dp_ptozp_d(BDY(Dist),length(BDY(Dist)),(DP)ARG0(arg),rp); |
else |
else |
#endif |
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dp_ptozp((DP)ARG0(arg),rp); |
dp_ptozp((DP)ARG0(arg),rp); |
} |
} |
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p0 = (DP)ARG0(arg); p1 = (DP)ARG1(arg); |
p0 = (DP)ARG0(arg); p1 = (DP)ARG1(arg); |
asir_assert(p0,O_DP,"dp_ptozp2"); |
asir_assert(p0,O_DP,"dp_ptozp2"); |
asir_assert(p1,O_DP,"dp_ptozp2"); |
asir_assert(p1,O_DP,"dp_ptozp2"); |
#if INET |
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if ( Dist ) |
if ( Dist ) |
dp_ptozp2_d(BDY(Dist),length(BDY(Dist)),p0,p1,&h,&r); |
dp_ptozp2_d(BDY(Dist),length(BDY(Dist)),p0,p1,&h,&r); |
else |
else |
#endif |
|
dp_ptozp2(p0,p1,&h,&r); |
dp_ptozp2(p0,p1,&h,&r); |
NEWNODE(n0); BDY(n0) = (pointer)h; |
NEWNODE(n0); BDY(n0) = (pointer)h; |
NEWNODE(NEXT(n0)); BDY(NEXT(n0)) = (pointer)r; |
NEWNODE(NEXT(n0)); BDY(NEXT(n0)) = (pointer)r; |
|
|
dp_prim((DP)ARG0(arg),&t); dp_ptozp(t,rp); |
dp_prim((DP)ARG0(arg),&t); dp_ptozp(t,rp); |
} |
} |
|
|
extern int NoGCD; |
|
|
|
void dp_prim(p,rp) |
|
DP p,*rp; |
|
{ |
|
P t,g; |
|
DP p1; |
|
MP m,mr,mr0; |
|
int i,n; |
|
P *w; |
|
Q *c; |
|
Q dvr; |
|
|
|
if ( !p ) |
|
*rp = 0; |
|
else if ( dp_fcoeffs ) |
|
*rp = p; |
|
else if ( NoGCD ) |
|
dp_ptozp(p,rp); |
|
else { |
|
dp_ptozp(p,&p1); p = p1; |
|
for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ ); |
|
if ( n == 1 ) { |
|
m = BDY(p); |
|
NEWMP(mr); mr->dl = m->dl; mr->c = (P)ONE; NEXT(mr) = 0; |
|
MKDP(p->nv,mr,*rp); (*rp)->sugar = p->sugar; |
|
return; |
|
} |
|
w = (P *)ALLOCA(n*sizeof(P)); |
|
c = (Q *)ALLOCA(n*sizeof(Q)); |
|
for ( m =BDY(p), i = 0; i < n; m = NEXT(m), i++ ) |
|
if ( NUM(m->c) ) { |
|
c[i] = (Q)m->c; w[i] = (P)ONE; |
|
} else |
|
ptozp(m->c,1,&c[i],&w[i]); |
|
qltozl(c,n,&dvr); heu_nezgcdnpz(CO,w,n,&t); mulp(CO,t,(P)dvr,&g); |
|
if ( NUM(g) ) |
|
*rp = p; |
|
else { |
|
for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) { |
|
NEXTMP(mr0,mr); divsp(CO,m->c,g,&mr->c); mr->dl = m->dl; |
|
} |
|
NEXT(mr) = 0; MKDP(p->nv,mr0,*rp); (*rp)->sugar = p->sugar; |
|
} |
|
} |
|
} |
|
|
|
void heu_nezgcdnpz(vl,pl,m,pr) |
|
VL vl; |
|
P *pl,*pr; |
|
int m; |
|
{ |
|
int i,r; |
|
P gcd,t,s1,s2,u; |
|
Q rq; |
|
|
|
while ( 1 ) { |
|
for ( i = 0, s1 = 0; i < m; i++ ) { |
|
r = random(); UTOQ(r,rq); |
|
mulp(vl,pl[i],(P)rq,&t); addp(vl,s1,t,&u); s1 = u; |
|
} |
|
for ( i = 0, s2 = 0; i < m; i++ ) { |
|
r = random(); UTOQ(r,rq); |
|
mulp(vl,pl[i],(P)rq,&t); addp(vl,s2,t,&u); s2 = u; |
|
} |
|
ezgcdp(vl,s1,s2,&gcd); |
|
for ( i = 0; i < m; i++ ) { |
|
if ( !divtpz(vl,pl[i],gcd,&t) ) |
|
break; |
|
} |
|
if ( i == m ) |
|
break; |
|
} |
|
*pr = gcd; |
|
} |
|
|
|
void dp_prim_mod(p,mod,rp) |
|
int mod; |
|
DP p,*rp; |
|
{ |
|
P t,g; |
|
MP m,mr,mr0; |
|
|
|
if ( !p ) |
|
*rp = 0; |
|
else if ( NoGCD ) |
|
*rp = p; |
|
else { |
|
for ( m = BDY(p), g = m->c, m = NEXT(m); m; m = NEXT(m) ) { |
|
gcdprsmp(CO,mod,g,m->c,&t); g = t; |
|
} |
|
for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) { |
|
NEXTMP(mr0,mr); divsmp(CO,mod,m->c,g,&mr->c); mr->dl = m->dl; |
|
} |
|
NEXT(mr) = 0; MKDP(p->nv,mr0,*rp); (*rp)->sugar = p->sugar; |
|
} |
|
} |
|
|
|
void Pdp_mod(arg,rp) |
void Pdp_mod(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
DP *rp; |
|
|
dp_rat((DP)ARG0(arg),rp); |
dp_rat((DP)ARG0(arg),rp); |
} |
} |
|
|
void dp_mod(p,mod,subst,rp) |
|
DP p; |
|
int mod; |
|
NODE subst; |
|
DP *rp; |
|
{ |
|
MP m,mr,mr0; |
|
P t,s,s1; |
|
V v; |
|
NODE tn; |
|
|
|
if ( !p ) |
|
*rp = 0; |
|
else { |
|
for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) { |
|
for ( tn = subst, s = m->c; tn; tn = NEXT(tn) ) { |
|
v = VR((P)BDY(tn)); tn = NEXT(tn); |
|
substp(CO,s,v,(P)BDY(tn),&s1); s = s1; |
|
} |
|
ptomp(mod,s,&t); |
|
if ( t ) { |
|
NEXTMP(mr0,mr); mr->c = t; mr->dl = m->dl; |
|
} |
|
} |
|
if ( mr0 ) { |
|
NEXT(mr) = 0; MKDP(p->nv,mr0,*rp); (*rp)->sugar = p->sugar; |
|
} else |
|
*rp = 0; |
|
} |
|
} |
|
|
|
void dp_rat(p,rp) |
|
DP p; |
|
DP *rp; |
|
{ |
|
MP m,mr,mr0; |
|
|
|
if ( !p ) |
|
*rp = 0; |
|
else { |
|
for ( mr0 = 0, m = BDY(p); m; m = NEXT(m) ) { |
|
NEXTMP(mr0,mr); mptop(m->c,&mr->c); mr->dl = m->dl; |
|
} |
|
if ( mr0 ) { |
|
NEXT(mr) = 0; MKDP(p->nv,mr0,*rp); (*rp)->sugar = p->sugar; |
|
} else |
|
*rp = 0; |
|
} |
|
} |
|
|
|
void Pdp_nf(arg,rp) |
void Pdp_nf(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
DP *rp; |
|
|
NEXT(NEXT(n)) = 0; MKLIST(*rp,n); |
NEXT(NEXT(n)) = 0; MKLIST(*rp,n); |
} |
} |
|
|
void dp_nf(b,g,ps,full,rp) |
|
NODE b; |
|
DP g; |
|
DP *ps; |
|
int full; |
|
DP *rp; |
|
{ |
|
DP u,p,d,s,t,dmy1; |
|
P dmy; |
|
NODE l; |
|
MP m,mr; |
|
int i,n; |
|
int *wb; |
|
int sugar,psugar; |
|
|
|
if ( !g ) { |
|
*rp = 0; return; |
|
} |
|
for ( n = 0, l = b; l; l = NEXT(l), n++ ); |
|
wb = (int *)ALLOCA(n*sizeof(int)); |
|
for ( i = 0, l = b; i < n; l = NEXT(l), i++ ) |
|
wb[i] = QTOS((Q)BDY(l)); |
|
sugar = g->sugar; |
|
for ( d = 0; g; ) { |
|
for ( u = 0, i = 0; i < n; i++ ) { |
|
if ( dp_redble(g,p = ps[wb[i]]) ) { |
|
dp_red(d,g,p,&t,&u,&dmy,&dmy1); |
|
psugar = (BDY(g)->dl->td - BDY(p)->dl->td) + p->sugar; |
|
sugar = MAX(sugar,psugar); |
|
if ( !u ) { |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; return; |
|
} |
|
d = t; |
|
break; |
|
} |
|
} |
|
if ( u ) |
|
g = u; |
|
else if ( !full ) { |
|
if ( g ) { |
|
MKDP(g->nv,BDY(g),t); t->sugar = sugar; g = t; |
|
} |
|
*rp = g; return; |
|
} else { |
|
m = BDY(g); NEWMP(mr); mr->dl = m->dl; mr->c = m->c; |
|
NEXT(mr) = 0; MKDP(g->nv,mr,t); t->sugar = mr->dl->td; |
|
addd(CO,d,t,&s); d = s; |
|
dp_rest(g,&t); g = t; |
|
} |
|
} |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; |
|
} |
|
|
|
void dp_true_nf(b,g,ps,full,rp,dnp) |
|
NODE b; |
|
DP g; |
|
DP *ps; |
|
int full; |
|
DP *rp; |
|
P *dnp; |
|
{ |
|
DP u,p,d,s,t,dmy; |
|
NODE l; |
|
MP m,mr; |
|
int i,n; |
|
int *wb; |
|
int sugar,psugar; |
|
P dn,tdn,tdn1; |
|
|
|
dn = (P)ONE; |
|
if ( !g ) { |
|
*rp = 0; *dnp = dn; return; |
|
} |
|
for ( n = 0, l = b; l; l = NEXT(l), n++ ); |
|
wb = (int *)ALLOCA(n*sizeof(int)); |
|
for ( i = 0, l = b; i < n; l = NEXT(l), i++ ) |
|
wb[i] = QTOS((Q)BDY(l)); |
|
sugar = g->sugar; |
|
for ( d = 0; g; ) { |
|
for ( u = 0, i = 0; i < n; i++ ) { |
|
if ( dp_redble(g,p = ps[wb[i]]) ) { |
|
dp_red(d,g,p,&t,&u,&tdn,&dmy); |
|
psugar = (BDY(g)->dl->td - BDY(p)->dl->td) + p->sugar; |
|
sugar = MAX(sugar,psugar); |
|
if ( !u ) { |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; *dnp = dn; return; |
|
} else { |
|
d = t; |
|
mulp(CO,dn,tdn,&tdn1); dn = tdn1; |
|
} |
|
break; |
|
} |
|
} |
|
if ( u ) |
|
g = u; |
|
else if ( !full ) { |
|
if ( g ) { |
|
MKDP(g->nv,BDY(g),t); t->sugar = sugar; g = t; |
|
} |
|
*rp = g; *dnp = dn; return; |
|
} else { |
|
m = BDY(g); NEWMP(mr); mr->dl = m->dl; mr->c = m->c; |
|
NEXT(mr) = 0; MKDP(g->nv,mr,t); t->sugar = mr->dl->td; |
|
addd(CO,d,t,&s); d = s; |
|
dp_rest(g,&t); g = t; |
|
} |
|
} |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; *dnp = dn; |
|
} |
|
|
|
#define HMAG(p) (p_mag(BDY(p)->c)) |
|
|
|
void Pdp_nf_ptozp(arg,rp) |
void Pdp_nf_ptozp(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
DP *rp; |
|
|
dp_nf_ptozp(b,g,ps,full,multiple,rp); |
dp_nf_ptozp(b,g,ps,full,multiple,rp); |
} |
} |
|
|
void dp_nf_ptozp(b,g,ps,full,multiple,rp) |
|
NODE b; |
|
DP g; |
|
DP *ps; |
|
int full,multiple; |
|
DP *rp; |
|
{ |
|
DP u,p,d,s,t,dmy1; |
|
P dmy; |
|
NODE l; |
|
MP m,mr; |
|
int i,n; |
|
int *wb; |
|
int hmag; |
|
int sugar,psugar; |
|
|
|
if ( !g ) { |
|
*rp = 0; return; |
|
} |
|
for ( n = 0, l = b; l; l = NEXT(l), n++ ); |
|
wb = (int *)ALLOCA(n*sizeof(int)); |
|
for ( i = 0, l = b; i < n; l = NEXT(l), i++ ) |
|
wb[i] = QTOS((Q)BDY(l)); |
|
hmag = multiple*HMAG(g); |
|
sugar = g->sugar; |
|
for ( d = 0; g; ) { |
|
for ( u = 0, i = 0; i < n; i++ ) { |
|
if ( dp_redble(g,p = ps[wb[i]]) ) { |
|
dp_red(d,g,p,&t,&u,&dmy,&dmy1); |
|
psugar = (BDY(g)->dl->td - BDY(p)->dl->td) + p->sugar; |
|
sugar = MAX(sugar,psugar); |
|
if ( !u ) { |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; return; |
|
} |
|
d = t; |
|
break; |
|
} |
|
} |
|
if ( u ) { |
|
g = u; |
|
if ( d ) { |
|
if ( HMAG(d) > hmag ) { |
|
dp_ptozp2(d,g,&t,&u); d = t; g = u; |
|
hmag = multiple*HMAG(d); |
|
} |
|
} else { |
|
if ( HMAG(g) > hmag ) { |
|
dp_ptozp(g,&t); g = t; |
|
hmag = multiple*HMAG(g); |
|
} |
|
} |
|
} |
|
else if ( !full ) { |
|
if ( g ) { |
|
MKDP(g->nv,BDY(g),t); t->sugar = sugar; g = t; |
|
} |
|
*rp = g; return; |
|
} else { |
|
m = BDY(g); NEWMP(mr); mr->dl = m->dl; mr->c = m->c; |
|
NEXT(mr) = 0; MKDP(g->nv,mr,t); t->sugar = mr->dl->td; |
|
addd(CO,d,t,&s); d = s; |
|
dp_rest(g,&t); g = t; |
|
|
|
} |
|
} |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; |
|
} |
|
|
|
void Pdp_nf_demand(arg,rp) |
void Pdp_nf_demand(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
DP *rp; |
|
|
NEXT(NEXT(n)) = 0; MKLIST(*rp,n); |
NEXT(NEXT(n)) = 0; MKLIST(*rp,n); |
} |
} |
|
|
void dp_nf_mod_qindex(b,g,ps,mod,full,rp) |
|
NODE b; |
|
DP g; |
|
DP *ps; |
|
int mod,full; |
|
DP *rp; |
|
{ |
|
DP u,p,d,s,t; |
|
P dmy; |
|
NODE l; |
|
MP m,mr; |
|
int sugar,psugar; |
|
|
|
if ( !g ) { |
|
*rp = 0; return; |
|
} |
|
sugar = g->sugar; |
|
for ( d = 0; g; ) { |
|
for ( u = 0, l = b; l; l = NEXT(l) ) { |
|
if ( dp_redble(g,p = ps[QTOS((Q)BDY(l))]) ) { |
|
dp_red_mod(d,g,p,mod,&t,&u,&dmy); |
|
psugar = (BDY(g)->dl->td - BDY(p)->dl->td) + p->sugar; |
|
sugar = MAX(sugar,psugar); |
|
if ( !u ) { |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; return; |
|
} |
|
d = t; |
|
break; |
|
} |
|
} |
|
if ( u ) |
|
g = u; |
|
else if ( !full ) { |
|
if ( g ) { |
|
MKDP(g->nv,BDY(g),t); t->sugar = sugar; g = t; |
|
} |
|
*rp = g; return; |
|
} else { |
|
m = BDY(g); NEWMP(mr); mr->dl = m->dl; mr->c = m->c; |
|
NEXT(mr) = 0; MKDP(g->nv,mr,t); t->sugar = mr->dl->td; |
|
addmd(CO,mod,d,t,&s); d = s; |
|
dp_rest(g,&t); g = t; |
|
} |
|
} |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; |
|
} |
|
|
|
void dp_nf_mod(b,g,ps,mod,full,rp) |
|
NODE b; |
|
DP g; |
|
DP *ps; |
|
int mod,full; |
|
DP *rp; |
|
{ |
|
DP u,p,d,s,t; |
|
P dmy; |
|
NODE l; |
|
MP m,mr; |
|
int sugar,psugar; |
|
|
|
if ( !g ) { |
|
*rp = 0; return; |
|
} |
|
sugar = g->sugar; |
|
for ( d = 0; g; ) { |
|
for ( u = 0, l = b; l; l = NEXT(l) ) { |
|
if ( dp_redble(g,p = ps[(int)BDY(l)]) ) { |
|
dp_red_mod(d,g,p,mod,&t,&u,&dmy); |
|
psugar = (BDY(g)->dl->td - BDY(p)->dl->td) + p->sugar; |
|
sugar = MAX(sugar,psugar); |
|
if ( !u ) { |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; return; |
|
} |
|
d = t; |
|
break; |
|
} |
|
} |
|
if ( u ) |
|
g = u; |
|
else if ( !full ) { |
|
if ( g ) { |
|
MKDP(g->nv,BDY(g),t); t->sugar = sugar; g = t; |
|
} |
|
*rp = g; return; |
|
} else { |
|
m = BDY(g); NEWMP(mr); mr->dl = m->dl; mr->c = m->c; |
|
NEXT(mr) = 0; MKDP(g->nv,mr,t); t->sugar = mr->dl->td; |
|
addmd(CO,mod,d,t,&s); d = s; |
|
dp_rest(g,&t); g = t; |
|
} |
|
} |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; |
|
} |
|
|
|
void dp_true_nf_mod(b,g,ps,mod,full,rp,dnp) |
|
NODE b; |
|
DP g; |
|
DP *ps; |
|
int mod,full; |
|
DP *rp; |
|
P *dnp; |
|
{ |
|
DP u,p,d,s,t; |
|
NODE l; |
|
MP m,mr; |
|
int i,n; |
|
int *wb; |
|
int sugar,psugar; |
|
P dn,tdn,tdn1; |
|
|
|
dn = (P)ONEM; |
|
if ( !g ) { |
|
*rp = 0; *dnp = dn; return; |
|
} |
|
for ( n = 0, l = b; l; l = NEXT(l), n++ ); |
|
wb = (int *)ALLOCA(n*sizeof(int)); |
|
for ( i = 0, l = b; i < n; l = NEXT(l), i++ ) |
|
wb[i] = QTOS((Q)BDY(l)); |
|
sugar = g->sugar; |
|
for ( d = 0; g; ) { |
|
for ( u = 0, i = 0; i < n; i++ ) { |
|
if ( dp_redble(g,p = ps[wb[i]]) ) { |
|
dp_red_mod(d,g,p,mod,&t,&u,&tdn); |
|
psugar = (BDY(g)->dl->td - BDY(p)->dl->td) + p->sugar; |
|
sugar = MAX(sugar,psugar); |
|
if ( !u ) { |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; *dnp = dn; return; |
|
} else { |
|
d = t; |
|
mulmp(CO,mod,dn,tdn,&tdn1); dn = tdn1; |
|
} |
|
break; |
|
} |
|
} |
|
if ( u ) |
|
g = u; |
|
else if ( !full ) { |
|
if ( g ) { |
|
MKDP(g->nv,BDY(g),t); t->sugar = sugar; g = t; |
|
} |
|
*rp = g; *dnp = dn; return; |
|
} else { |
|
m = BDY(g); NEWMP(mr); mr->dl = m->dl; mr->c = m->c; |
|
NEXT(mr) = 0; MKDP(g->nv,mr,t); t->sugar = mr->dl->td; |
|
addmd(CO,mod,d,t,&s); d = s; |
|
dp_rest(g,&t); g = t; |
|
} |
|
} |
|
if ( d ) |
|
d->sugar = sugar; |
|
*rp = d; *dnp = dn; |
|
} |
|
|
|
void Pdp_tdiv(arg,rp) |
void Pdp_tdiv(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
DP *rp; |
|
|
} |
} |
} |
} |
|
|
void qltozl(w,n,dvr) |
|
Q *w,*dvr; |
|
int n; |
|
{ |
|
N nm,dn; |
|
N g,l1,l2,l3; |
|
Q c,d; |
|
int i; |
|
struct oVECT v; |
|
|
|
for ( i = 0; i < n; i++ ) |
|
if ( w[i] && !INT(w[i]) ) |
|
break; |
|
if ( i == n ) { |
|
v.id = O_VECT; v.len = n; v.body = (pointer *)w; |
|
igcdv(&v,dvr); return; |
|
} |
|
c = w[0]; nm = NM(c); dn = INT(c) ? ONEN : DN(c); |
|
for ( i = 1; i < n; i++ ) { |
|
c = w[i]; l1 = INT(c) ? ONEN : DN(c); |
|
gcdn(nm,NM(c),&g); nm = g; |
|
gcdn(dn,l1,&l2); muln(dn,l1,&l3); divsn(l3,l2,&dn); |
|
} |
|
if ( UNIN(dn) ) |
|
NTOQ(nm,1,d); |
|
else |
|
NDTOQ(nm,dn,1,d); |
|
*dvr = d; |
|
} |
|
|
|
int comp_nm(a,b) |
|
Q *a,*b; |
|
{ |
|
return cmpn((*a)?NM(*a):0,(*b)?NM(*b):0); |
|
} |
|
|
|
void sortbynm(w,n) |
|
Q *w; |
|
int n; |
|
{ |
|
qsort(w,n,sizeof(Q),(int (*)(const void *,const void *))comp_nm); |
|
} |
|
|
|
void Pdp_redble(arg,rp) |
void Pdp_redble(arg,rp) |
NODE arg; |
NODE arg; |
Q *rp; |
Q *rp; |
|
|
NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)r; |
NEWNODE(NEXT(n)); BDY(NEXT(n)) = (pointer)r; |
NEXT(NEXT(n)) = 0; MKLIST(*rp,n); |
NEXT(NEXT(n)) = 0; MKLIST(*rp,n); |
} |
} |
|
|
int dp_redble(p1,p2) |
|
DP p1,p2; |
|
{ |
|
int i,n; |
|
DL d1,d2; |
|
|
|
d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
|
if ( d1->td < d2->td ) |
|
return 0; |
|
else { |
|
for ( i = 0, n = p1->nv; i < n; i++ ) |
|
if ( d1->d[i] < d2->d[i] ) |
|
return 0; |
|
return 1; |
|
} |
|
} |
|
|
|
void dp_red_mod(p0,p1,p2,mod,head,rest,dnp) |
|
DP p0,p1,p2; |
|
int mod; |
|
DP *head,*rest; |
|
P *dnp; |
|
{ |
|
int i,n; |
|
DL d1,d2,d; |
|
MP m; |
|
DP t,s,r,h; |
|
P c1,c2,g,u; |
|
|
|
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
|
NEWDL(d,n); d->td = d1->td - d2->td; |
|
for ( i = 0; i < n; i++ ) |
|
d->d[i] = d1->d[i]-d2->d[i]; |
|
c1 = (P)BDY(p1)->c; c2 = (P)BDY(p2)->c; |
|
gcdprsmp(CO,mod,c1,c2,&g); |
|
divsmp(CO,mod,c1,g,&u); c1 = u; divsmp(CO,mod,c2,g,&u); c2 = u; |
|
if ( NUM(c2) ) { |
|
divsmp(CO,mod,c1,c2,&u); c1 = u; c2 = (P)ONEM; |
|
} |
|
NEWMP(m); m->dl = d; chsgnmp(mod,(P)c1,&m->c); NEXT(m) = 0; |
|
MKDP(n,m,s); s->sugar = d->td; mulmd(CO,mod,p2,s,&t); |
|
if ( NUM(c2) ) { |
|
addmd(CO,mod,p1,t,&r); h = p0; |
|
} else { |
|
mulmdc(CO,mod,p1,c2,&s); addmd(CO,mod,s,t,&r); mulmdc(CO,mod,p0,c2,&h); |
|
} |
|
*head = h; *rest = r; *dnp = c2; |
|
} |
|
|
|
void Pdp_subd(arg,rp) |
void Pdp_subd(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
DP *rp; |
|
|
dp_subd(p1,p2,rp); |
dp_subd(p1,p2,rp); |
} |
} |
|
|
void dp_subd(p1,p2,rp) |
|
DP p1,p2; |
|
DP *rp; |
|
{ |
|
int i,n; |
|
DL d1,d2,d; |
|
MP m; |
|
DP s; |
|
|
|
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
|
NEWDL(d,n); d->td = d1->td - d2->td; |
|
for ( i = 0; i < n; i++ ) |
|
d->d[i] = d1->d[i]-d2->d[i]; |
|
NEWMP(m); m->dl = d; m->c = (P)ONE; NEXT(m) = 0; |
|
MKDP(n,m,s); s->sugar = d->td; |
|
*rp = s; |
|
} |
|
|
|
void dltod(d,n,rp) |
|
DL d; |
|
int n; |
|
DP *rp; |
|
{ |
|
MP m; |
|
DP s; |
|
|
|
NEWMP(m); m->dl = d; m->c = (P)ONE; NEXT(m) = 0; |
|
MKDP(n,m,s); s->sugar = d->td; |
|
*rp = s; |
|
} |
|
|
|
void Pdp_red(arg,rp) |
void Pdp_red(arg,rp) |
NODE arg; |
NODE arg; |
LIST *rp; |
LIST *rp; |
|
|
NEXT(NEXT(n)) = 0; MKLIST(*rp,n); |
NEXT(NEXT(n)) = 0; MKLIST(*rp,n); |
} |
} |
|
|
void dp_red(p0,p1,p2,head,rest,dnp,multp) |
|
DP p0,p1,p2; |
|
DP *head,*rest; |
|
P *dnp; |
|
DP *multp; |
|
{ |
|
int i,n; |
|
DL d1,d2,d; |
|
MP m; |
|
DP t,s,r,h; |
|
Q c,c1,c2; |
|
N gn,tn; |
|
P g,a; |
|
|
|
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
|
NEWDL(d,n); d->td = d1->td - d2->td; |
|
for ( i = 0; i < n; i++ ) |
|
d->d[i] = d1->d[i]-d2->d[i]; |
|
c1 = (Q)BDY(p1)->c; c2 = (Q)BDY(p2)->c; |
|
if ( dp_fcoeffs ) { |
|
/* do nothing */ |
|
} else if ( INT(c1) && INT(c2) ) { |
|
gcdn(NM(c1),NM(c2),&gn); |
|
if ( !UNIN(gn) ) { |
|
divsn(NM(c1),gn,&tn); NTOQ(tn,SGN(c1),c); c1 = c; |
|
divsn(NM(c2),gn,&tn); NTOQ(tn,SGN(c2),c); c2 = c; |
|
} |
|
} else { |
|
ezgcdpz(CO,(P)c1,(P)c2,&g); |
|
divsp(CO,(P)c1,g,&a); c1 = (Q)a; divsp(CO,(P)c2,g,&a); c2 = (Q)a; |
|
} |
|
NEWMP(m); m->dl = d; chsgnp((P)c1,&m->c); NEXT(m) = 0; MKDP(n,m,s); s->sugar = d->td; |
|
*multp = s; |
|
muld(CO,s,p2,&t); muldc(CO,p1,(P)c2,&s); addd(CO,s,t,&r); |
|
muldc(CO,p0,(P)c2,&h); |
|
*head = h; *rest = r; *dnp = (P)c2; |
|
} |
|
|
|
void Pdp_sp(arg,rp) |
void Pdp_sp(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
DP *rp; |
|
|
dp_sp(p1,p2,rp); |
dp_sp(p1,p2,rp); |
} |
} |
|
|
extern int GenTrace; |
|
extern NODE TraceList; |
|
|
|
void dp_sp(p1,p2,rp) |
|
DP p1,p2; |
|
DP *rp; |
|
{ |
|
int i,n,td; |
|
int *w; |
|
DL d1,d2,d; |
|
MP m; |
|
DP t,s1,s2,u; |
|
Q c,c1,c2; |
|
N gn,tn; |
|
|
|
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
|
w = (int *)ALLOCA(n*sizeof(int)); |
|
for ( i = 0, td = 0; i < n; i++ ) { |
|
w[i] = MAX(d1->d[i],d2->d[i]); td += w[i]; |
|
} |
|
|
|
NEWDL(d,n); d->td = td - d1->td; |
|
for ( i = 0; i < n; i++ ) |
|
d->d[i] = w[i] - d1->d[i]; |
|
c1 = (Q)BDY(p1)->c; c2 = (Q)BDY(p2)->c; |
|
if ( INT(c1) && INT(c2) ) { |
|
gcdn(NM(c1),NM(c2),&gn); |
|
if ( !UNIN(gn) ) { |
|
divsn(NM(c1),gn,&tn); NTOQ(tn,SGN(c1),c); c1 = c; |
|
divsn(NM(c2),gn,&tn); NTOQ(tn,SGN(c2),c); c2 = c; |
|
} |
|
} |
|
|
|
NEWMP(m); m->dl = d; m->c = (P)c2; NEXT(m) = 0; |
|
MKDP(n,m,s1); s1->sugar = d->td; muld(CO,s1,p1,&t); |
|
|
|
NEWDL(d,n); d->td = td - d2->td; |
|
for ( i = 0; i < n; i++ ) |
|
d->d[i] = w[i] - d2->d[i]; |
|
NEWMP(m); m->dl = d; m->c = (P)c1; NEXT(m) = 0; |
|
MKDP(n,m,s2); s2->sugar = d->td; muld(CO,s2,p2,&u); |
|
|
|
subd(CO,t,u,rp); |
|
if ( GenTrace ) { |
|
LIST hist; |
|
NODE node; |
|
|
|
node = mknode(4,ONE,0,s1,ONE); |
|
MKLIST(hist,node); |
|
MKNODE(TraceList,hist,0); |
|
|
|
node = mknode(4,ONE,0,0,ONE); |
|
chsgnd(s2,(DP *)&ARG2(node)); |
|
MKLIST(hist,node); |
|
MKNODE(node,hist,TraceList); TraceList = node; |
|
} |
|
} |
|
|
|
void Pdp_sp_mod(arg,rp) |
void Pdp_sp_mod(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
DP *rp; |
|
|
dp_sp_mod(p1,p2,mod,rp); |
dp_sp_mod(p1,p2,mod,rp); |
} |
} |
|
|
void dp_sp_mod(p1,p2,mod,rp) |
|
DP p1,p2; |
|
int mod; |
|
DP *rp; |
|
{ |
|
int i,n,td; |
|
int *w; |
|
DL d1,d2,d; |
|
MP m; |
|
DP t,s,u; |
|
|
|
n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; |
|
w = (int *)ALLOCA(n*sizeof(int)); |
|
for ( i = 0, td = 0; i < n; i++ ) { |
|
w[i] = MAX(d1->d[i],d2->d[i]); td += w[i]; |
|
} |
|
NEWDL(d,n); d->td = td - d1->td; |
|
for ( i = 0; i < n; i++ ) |
|
d->d[i] = w[i] - d1->d[i]; |
|
NEWMP(m); m->dl = d; m->c = (P)BDY(p2)->c; NEXT(m) = 0; |
|
MKDP(n,m,s); s->sugar = d->td; mulmd(CO,mod,p1,s,&t); |
|
NEWDL(d,n); d->td = td - d2->td; |
|
for ( i = 0; i < n; i++ ) |
|
d->d[i] = w[i] - d2->d[i]; |
|
NEWMP(m); m->dl = d; m->c = (P)BDY(p1)->c; NEXT(m) = 0; |
|
MKDP(n,m,s); s->sugar = d->td; mulmd(CO,mod,p2,s,&u); |
|
submd(CO,mod,t,u,rp); |
|
} |
|
|
|
void Pdp_lcm(arg,rp) |
void Pdp_lcm(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
DP *rp; |
|
|
dp_hm(p,rp); |
dp_hm(p,rp); |
} |
} |
|
|
void dp_hm(p,rp) |
|
DP p; |
|
DP *rp; |
|
{ |
|
MP m,mr; |
|
|
|
if ( !p ) |
|
*rp = 0; |
|
else { |
|
m = BDY(p); |
|
NEWMP(mr); mr->dl = m->dl; mr->c = m->c; NEXT(mr) = 0; |
|
MKDP(p->nv,mr,*rp); (*rp)->sugar = mr->dl->td; /* XXX */ |
|
} |
|
} |
|
|
|
void Pdp_ht(arg,rp) |
void Pdp_ht(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
DP *rp; |
|
|
dp_rest((DP)ARG0(arg),rp); |
dp_rest((DP)ARG0(arg),rp); |
} |
} |
|
|
void dp_rest(p,rp) |
|
DP p,*rp; |
|
{ |
|
MP m; |
|
|
|
m = BDY(p); |
|
if ( !NEXT(m) ) |
|
*rp = 0; |
|
else { |
|
MKDP(p->nv,NEXT(m),*rp); |
|
if ( *rp ) |
|
(*rp)->sugar = p->sugar; |
|
} |
|
} |
|
|
|
void Pdp_td(arg,rp) |
void Pdp_td(arg,rp) |
NODE arg; |
NODE arg; |
Q *rp; |
Q *rp; |
|
|
} |
} |
} |
} |
|
|
DL lcm_of_DL(nv,dl1,dl2,dl) |
|
int nv; |
|
DL dl1,dl2; |
|
register DL dl; |
|
{ |
|
register int n, *d1, *d2, *d, td; |
|
|
|
if ( !dl ) NEWDL(dl,nv); |
|
d = dl->d, d1 = dl1->d, d2 = dl2->d; |
|
for ( td = 0, n = nv; --n >= 0; d1++, d2++, d++ ) |
|
td += (*d = *d1 > *d2 ? *d1 : *d2 ); |
|
dl->td = td; |
|
return dl; |
|
} |
|
|
|
int dl_equal(nv,dl1,dl2) |
|
int nv; |
|
DL dl1, dl2; |
|
{ |
|
register int *d1, *d2, n; |
|
|
|
if ( dl1->td != dl2->td ) return 0; |
|
for ( d1 = dl1->d, d2 = dl2->d, n = nv; --n >= 0; d1++, d2++ ) |
|
if ( *d1 != *d2 ) return 0; |
|
return 1; |
|
} |
|
|
|
void Pdp_nelim(arg,rp) |
void Pdp_nelim(arg,rp) |
NODE arg; |
NODE arg; |
Q *rp; |
Q *rp; |
|
|
dp_homo((DP)ARG0(arg),rp); |
dp_homo((DP)ARG0(arg),rp); |
} |
} |
|
|
void dp_homo(p,rp) |
void Pdp_dehomo(arg,rp) |
DP p; |
NODE arg; |
DP *rp; |
DP *rp; |
{ |
{ |
MP m,mr,mr0; |
asir_assert(ARG0(arg),O_DP,"dp_dehomo"); |
int i,n,nv,td; |
dp_dehomo((DP)ARG0(arg),rp); |
DL dl,dlh; |
} |
|
|
if ( !p ) |
void Pdp_gr_flags(arg,rp) |
*rp = 0; |
NODE arg; |
else { |
LIST *rp; |
n = p->nv; nv = n + 1; |
{ |
m = BDY(p); td = sugard(m); |
Obj name,value; |
for ( mr0 = 0; m; m = NEXT(m) ) { |
NODE n; |
NEXTMP(mr0,mr); mr->c = m->c; |
|
dl = m->dl; |
if ( arg ) { |
mr->dl = dlh = (DL)MALLOC_ATOMIC((nv+1)*sizeof(int)); |
asir_assert(ARG0(arg),O_LIST,"dp_gr_flags"); |
dlh->td = td; |
n = BDY((LIST)ARG0(arg)); |
for ( i = 0; i < n; i++ ) |
while ( n ) { |
dlh->d[i] = dl->d[i]; |
name = (Obj)BDY(n); n = NEXT(n); |
dlh->d[n] = td - dl->td; |
if ( !n ) |
|
break; |
|
else { |
|
value = (Obj)BDY(n); n = NEXT(n); |
|
} |
|
dp_set_flag(name,value); |
} |
} |
NEXT(mr) = 0; MKDP(nv,mr0,*rp); (*rp)->sugar = p->sugar; |
|
} |
} |
|
dp_make_flaglist(rp); |
} |
} |
|
|
void Pdp_dehomo(arg,rp) |
extern int DP_Print; |
|
|
|
void Pdp_gr_print(arg,rp) |
NODE arg; |
NODE arg; |
DP *rp; |
Q *rp; |
{ |
{ |
asir_assert(ARG0(arg),O_DP,"dp_dehomo"); |
Q q; |
dp_dehomo((DP)ARG0(arg),rp); |
|
|
if ( arg ) { |
|
asir_assert(ARG0(arg),O_N,"dp_gr_print"); |
|
q = (Q)ARG0(arg); DP_Print = QTOS(q); |
|
} else |
|
STOQ(DP_Print,q); |
|
*rp = q; |
} |
} |
|
|
void dp_dehomo(p,rp) |
void Pdp_gr_main(arg,rp) |
DP p; |
NODE arg; |
DP *rp; |
LIST *rp; |
{ |
{ |
MP m,mr,mr0; |
LIST f,v; |
int i,n,nv; |
Num homo; |
DL dl,dlh; |
Q m; |
|
int modular; |
|
struct order_spec ord; |
|
|
if ( !p ) |
asir_assert(ARG0(arg),O_LIST,"dp_gr_main"); |
*rp = 0; |
asir_assert(ARG1(arg),O_LIST,"dp_gr_main"); |
else { |
asir_assert(ARG2(arg),O_N,"dp_gr_main"); |
n = p->nv; nv = n - 1; |
asir_assert(ARG3(arg),O_N,"dp_gr_main"); |
m = BDY(p); |
f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); |
for ( mr0 = 0; m; m = NEXT(m) ) { |
homo = (Num)ARG2(arg); |
NEXTMP(mr0,mr); mr->c = m->c; |
m = (Q)ARG3(arg); |
dlh = m->dl; |
if ( !m ) |
mr->dl = dl = (DL)MALLOC_ATOMIC((nv+1)*sizeof(int)); |
modular = 0; |
dl->td = dlh->td - dlh->d[nv]; |
else if ( PL(NM(m))>1 || (PL(NM(m)) == 1 && BD(NM(m))[0] >= 0x80000000) ) |
for ( i = 0; i < nv; i++ ) |
error("dp_gr_main : too large modulus"); |
dl->d[i] = dlh->d[i]; |
else |
} |
modular = QTOS(m); |
NEXT(mr) = 0; MKDP(nv,mr0,*rp); (*rp)->sugar = p->sugar; |
create_order_spec(ARG4(arg),&ord); |
} |
dp_gr_main(f,v,homo,modular,&ord,rp); |
} |
} |
|
|
int dp_nt(p) |
void Pdp_f4_main(arg,rp) |
DP p; |
NODE arg; |
|
LIST *rp; |
{ |
{ |
int i; |
LIST f,v; |
MP m; |
struct order_spec ord; |
|
|
if ( !p ) |
asir_assert(ARG0(arg),O_LIST,"dp_f4_main"); |
return 0; |
asir_assert(ARG1(arg),O_LIST,"dp_f4_main"); |
else { |
f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); |
for ( i = 0, m = BDY(p); m; m = NEXT(m), i++ ); |
create_order_spec(ARG2(arg),&ord); |
return i; |
dp_f4_main(f,v,&ord,rp); |
} |
|
} |
} |
|
|
|
void Pdp_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_f4_main"); |
|
asir_assert(ARG1(arg),O_LIST,"dp_f4_main"); |
|
asir_assert(ARG2(arg),O_N,"dp_f4_main"); |
|
f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); m = QTOS((Q)ARG2(arg)); |
|
create_order_spec(ARG3(arg),&ord); |
|
dp_f4_mod_main(f,v,m,&ord,rp); |
|
} |
|
|
|
void Pdp_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_gr_mod_main"); |
|
asir_assert(ARG1(arg),O_LIST,"dp_gr_mod_main"); |
|
asir_assert(ARG2(arg),O_N,"dp_gr_mod_main"); |
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asir_assert(ARG3(arg),O_N,"dp_gr_mod_main"); |
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f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); |
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homo = (Num)ARG2(arg); m = QTOS((Q)ARG3(arg)); |
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create_order_spec(ARG4(arg),&ord); |
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dp_gr_mod_main(f,v,homo,m,&ord,rp); |
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} |
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|