version 1.1.1.1, 1999/12/03 07:39:08 |
version 1.15, 2001/03/29 09:49:57 |
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/* $OpenXM: OpenXM/src/asir99/engine/dist.c,v 1.1.1.1 1999/11/10 08:12:26 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/engine/dist.c,v 1.14 2001/02/21 07:10:18 noro Exp $ |
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*/ |
#include "ca.h" |
#include "ca.h" |
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#define NV(p) ((p)->nv) |
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#define C(p) ((p)->c) |
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#define ORD_REVGRADLEX 0 |
#define ORD_REVGRADLEX 0 |
#define ORD_GRADLEX 1 |
#define ORD_GRADLEX 1 |
#define ORD_LEX 2 |
#define ORD_LEX 2 |
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#define ORD_BGRADREV 7 |
#define ORD_BGRADREV 7 |
#define ORD_BLEXREV 8 |
#define ORD_BLEXREV 8 |
#define ORD_ELIM 9 |
#define ORD_ELIM 9 |
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#define ORD_WEYL_ELIM 10 |
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#define ORD_HOMO_WW_DRL 11 |
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int (*cmpdl)()=cmpdl_revgradlex; |
int (*cmpdl)()=cmpdl_revgradlex; |
int (*primitive_cmpdl[3])() = {cmpdl_revgradlex,cmpdl_gradlex,cmpdl_lex}; |
int (*primitive_cmpdl[3])() = {cmpdl_revgradlex,cmpdl_gradlex,cmpdl_lex}; |
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void comm_muld(VL,DP,DP,DP *); |
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void weyl_muld(VL,DP,DP,DP *); |
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void weyl_muldm(VL,MP,DP,DP *); |
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void weyl_mulmm(VL,MP,MP,int,struct cdl *,int); |
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void comm_muld_tab(VL,int,struct cdl *,int,struct cdl *,int,struct cdl *); |
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void mkwc(int,int,Q *); |
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int cmpdl_weyl_elim(); |
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int cmpdl_homo_ww_drl(); |
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int do_weyl; |
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int dp_nelim,dp_fcoeffs; |
int dp_nelim,dp_fcoeffs; |
struct order_spec dp_current_spec; |
struct order_spec dp_current_spec; |
int *dp_dl_work; |
int *dp_dl_work; |
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if ( !f ) |
if ( !f ) |
return 0; |
return 0; |
else if ( NUM(f) ) |
else if ( NUM(f) ) |
return (NID((Num)f) == N_LM || NID((Num)f) == N_GF2N) ? 1 : 0; |
return (NID((Num)f) == N_LM |
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|| NID((Num)f) == N_GF2N |
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|| NID((Num)f) == N_GFPN |
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|| NID((Num)f) == N_GFS) ? 1 : 0; |
else { |
else { |
for ( dc = DC(f); dc; dc = NEXT(dc) ) |
for ( dc = DC(f); dc; dc = NEXT(dc) ) |
if ( has_fcoef_p(COEF(dc)) ) |
if ( has_fcoef_p(COEF(dc)) ) |
Line 86 struct order_spec *spec; |
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Line 149 struct order_spec *spec; |
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cmpdl = cmpdl_blexrev; break; |
cmpdl = cmpdl_blexrev; break; |
case ORD_ELIM: |
case ORD_ELIM: |
cmpdl = cmpdl_elim; break; |
cmpdl = cmpdl_elim; break; |
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case ORD_WEYL_ELIM: |
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cmpdl = cmpdl_weyl_elim; break; |
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case ORD_HOMO_WW_DRL: |
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cmpdl = cmpdl_homo_ww_drl; break; |
case ORD_LEX: default: |
case ORD_LEX: default: |
cmpdl = cmpdl_lex; break; |
cmpdl = cmpdl_lex; break; |
} |
} |
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ptod(vl,dvl,COEF(dc),&t); |
ptod(vl,dvl,COEF(dc),&t); |
NEWDL(d,n); d->td = QTOS(DEG(dc)); d->d[i] = d->td; |
NEWDL(d,n); d->td = QTOS(DEG(dc)); d->d[i] = d->td; |
NEWMP(m); m->dl = d; C(m) = (P)ONE; NEXT(m) = 0; MKDP(n,m,u); u->sugar = d->td; |
NEWMP(m); m->dl = d; C(m) = (P)ONE; NEXT(m) = 0; MKDP(n,m,u); u->sugar = d->td; |
muld(vl,t,u,&r); addd(vl,r,s,&t); s = t; |
comm_muld(vl,t,u,&r); addd(vl,r,s,&t); s = t; |
} |
} |
*pr = s; |
*pr = s; |
} |
} |
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} |
} |
} |
} |
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/* |
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* destructive merge of two list |
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* |
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* p1, p2 : list of DL |
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* return : a merged list |
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*/ |
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NODE symb_merge(m1,m2,n) |
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NODE m1,m2; |
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int n; |
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{ |
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NODE top,prev,cur,m,t; |
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if ( !m1 ) |
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return m2; |
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else if ( !m2 ) |
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return m1; |
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else { |
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switch ( (*cmpdl)(n,(DL)BDY(m1),(DL)BDY(m2)) ) { |
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case 0: |
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top = m1; m = NEXT(m2); |
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break; |
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case 1: |
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top = m1; m = m2; |
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break; |
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case -1: |
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top = m2; m = m1; |
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break; |
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} |
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prev = top; cur = NEXT(top); |
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/* BDY(prev) > BDY(m) always holds */ |
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while ( cur && m ) { |
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switch ( (*cmpdl)(n,(DL)BDY(cur),(DL)BDY(m)) ) { |
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case 0: |
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m = NEXT(m); |
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prev = cur; cur = NEXT(cur); |
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break; |
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case 1: |
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t = NEXT(cur); NEXT(cur) = m; m = t; |
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prev = cur; cur = NEXT(cur); |
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break; |
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case -1: |
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NEXT(prev) = m; m = cur; |
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prev = NEXT(prev); cur = NEXT(prev); |
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break; |
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} |
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} |
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if ( !cur ) |
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NEXT(prev) = m; |
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return top; |
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} |
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} |
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void subd(vl,p1,p2,pr) |
void subd(vl,p1,p2,pr) |
VL vl; |
VL vl; |
DP p1,p2,*pr; |
DP p1,p2,*pr; |
Line 341 void muld(vl,p1,p2,pr) |
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Line 461 void muld(vl,p1,p2,pr) |
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VL vl; |
VL vl; |
DP p1,p2,*pr; |
DP p1,p2,*pr; |
{ |
{ |
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if ( ! do_weyl ) |
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comm_muld(vl,p1,p2,pr); |
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else |
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weyl_muld(vl,p1,p2,pr); |
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} |
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void comm_muld(vl,p1,p2,pr) |
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VL vl; |
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DP p1,p2,*pr; |
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{ |
MP m; |
MP m; |
DP s,t,u; |
DP s,t,u; |
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int i,l,l1; |
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static MP *w; |
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static int wlen; |
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if ( !p1 || !p2 ) |
if ( !p1 || !p2 ) |
*pr = 0; |
*pr = 0; |
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else if ( OID(p2) <= O_P ) |
else if ( OID(p2) <= O_P ) |
muldc(vl,p1,(P)p2,pr); |
muldc(vl,p1,(P)p2,pr); |
else { |
else { |
for ( m = BDY(p2), s = 0; m; m = NEXT(m) ) { |
for ( m = BDY(p1), l1 = 0; m; m = NEXT(m), l1++ ); |
muldm(vl,p1,m,&t); addd(vl,s,t,&u); s = u; |
for ( m = BDY(p2), l = 0; m; m = NEXT(m), l++ ); |
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if ( l1 < l ) { |
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t = p1; p1 = p2; p2 = t; |
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l = l1; |
} |
} |
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if ( l > wlen ) { |
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if ( w ) GC_free(w); |
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w = (MP *)MALLOC(l*sizeof(MP)); |
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wlen = l; |
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} |
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for ( m = BDY(p2), i = 0; i < l; m = NEXT(m), i++ ) |
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w[i] = m; |
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for ( s = 0, i = l-1; i >= 0; i-- ) { |
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muldm(vl,p1,w[i],&t); addd(vl,s,t,&u); s = u; |
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} |
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bzero(w,l*sizeof(MP)); |
*pr = s; |
*pr = s; |
} |
} |
} |
} |
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} |
} |
} |
} |
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void weyl_muld(vl,p1,p2,pr) |
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VL vl; |
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DP p1,p2,*pr; |
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{ |
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MP m; |
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DP s,t,u; |
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int i,l; |
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static MP *w; |
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static int wlen; |
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if ( !p1 || !p2 ) |
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*pr = 0; |
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else if ( OID(p1) <= O_P ) |
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muldc(vl,p2,(P)p1,pr); |
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else if ( OID(p2) <= O_P ) |
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muldc(vl,p1,(P)p2,pr); |
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else { |
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for ( m = BDY(p1), l = 0; m; m = NEXT(m), l++ ); |
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if ( l > wlen ) { |
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if ( w ) GC_free(w); |
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w = (MP *)MALLOC(l*sizeof(MP)); |
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wlen = l; |
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} |
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for ( m = BDY(p1), i = 0; i < l; m = NEXT(m), i++ ) |
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w[i] = m; |
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for ( s = 0, i = l-1; i >= 0; i-- ) { |
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weyl_muldm(vl,w[i],p2,&t); addd(vl,s,t,&u); s = u; |
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} |
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bzero(w,l*sizeof(MP)); |
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*pr = s; |
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} |
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} |
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/* monomial * polynomial */ |
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void weyl_muldm(vl,m0,p,pr) |
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VL vl; |
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MP m0; |
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DP p; |
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DP *pr; |
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{ |
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DP r,t,t1; |
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MP m; |
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DL d0; |
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int n,n2,l,i,j,tlen; |
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static MP *w,*psum; |
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static struct cdl *tab; |
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static int wlen; |
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static int rtlen; |
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if ( !p ) |
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*pr = 0; |
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else { |
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for ( m = BDY(p), l = 0; m; m = NEXT(m), l++ ); |
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if ( l > wlen ) { |
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if ( w ) GC_free(w); |
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w = (MP *)MALLOC(l*sizeof(MP)); |
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wlen = l; |
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} |
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for ( m = BDY(p), i = 0; i < l; m = NEXT(m), i++ ) |
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w[i] = m; |
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n = NV(p); n2 = n>>1; |
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d0 = m0->dl; |
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for ( i = 0, tlen = 1; i < n2; i++ ) |
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tlen *= d0->d[n2+i]+1; |
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if ( tlen > rtlen ) { |
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if ( tab ) GC_free(tab); |
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if ( psum ) GC_free(psum); |
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rtlen = tlen; |
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tab = (struct cdl *)MALLOC(rtlen*sizeof(struct cdl)); |
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psum = (MP *)MALLOC(rtlen*sizeof(MP)); |
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} |
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bzero(psum,tlen*sizeof(MP)); |
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for ( i = l-1; i >= 0; i-- ) { |
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bzero(tab,tlen*sizeof(struct cdl)); |
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weyl_mulmm(vl,m0,w[i],n,tab,tlen); |
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for ( j = 0; j < tlen; j++ ) { |
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if ( tab[j].c ) { |
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NEWMP(m); m->dl = tab[j].d; C(m) = tab[j].c; NEXT(m) = psum[j]; |
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psum[j] = m; |
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} |
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} |
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} |
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for ( j = tlen-1, r = 0; j >= 0; j-- ) |
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if ( psum[j] ) { |
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MKDP(n,psum[j],t); addd(vl,r,t,&t1); r = t1; |
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} |
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if ( r ) |
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r->sugar = p->sugar + m0->dl->td; |
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*pr = r; |
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} |
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} |
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/* m0 = x0^d0*x1^d1*... * dx0^e0*dx1^e1*... */ |
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/* rtab : array of length (e0+1)*(e1+1)*... */ |
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void weyl_mulmm(vl,m0,m1,n,rtab,rtablen) |
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VL vl; |
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MP m0,m1; |
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int n; |
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struct cdl *rtab; |
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int rtablen; |
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{ |
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MP m,mr,mr0; |
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DP r,t,t1; |
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P c,c0,c1,cc; |
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DL d,d0,d1,dt; |
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int i,j,a,b,k,l,n2,s,min,curlen; |
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struct cdl *p; |
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static Q *ctab; |
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static struct cdl *tab; |
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static int tablen; |
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static struct cdl *tmptab; |
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static int tmptablen; |
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if ( !m0 || !m1 ) { |
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rtab[0].c = 0; |
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rtab[0].d = 0; |
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return; |
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} |
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c0 = C(m0); c1 = C(m1); |
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mulp(vl,c0,c1,&c); |
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d0 = m0->dl; d1 = m1->dl; |
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n2 = n>>1; |
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curlen = 1; |
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NEWDL(d,n); |
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if ( n & 1 ) |
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/* offset of h-degree */ |
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d->td = d->d[n-1] = d0->d[n-1]+d1->d[n-1]; |
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else |
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d->td = 0; |
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rtab[0].c = c; |
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rtab[0].d = d; |
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if ( rtablen > tmptablen ) { |
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if ( tmptab ) GC_free(tmptab); |
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tmptab = (struct cdl *)MALLOC(rtablen*sizeof(struct cdl)); |
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tmptablen = rtablen; |
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} |
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for ( i = 0; i < n2; i++ ) { |
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a = d0->d[i]; b = d1->d[n2+i]; |
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k = d0->d[n2+i]; l = d1->d[i]; |
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if ( !k || !l ) { |
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a += l; |
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b += k; |
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s = a+b; |
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for ( j = 0, p = rtab; j < curlen; j++, p++ ) { |
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if ( p->c ) { |
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dt = p->d; |
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dt->d[i] = a; |
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dt->d[n2+i] = b; |
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dt->td += s; |
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} |
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} |
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curlen *= k+1; |
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continue; |
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} |
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if ( k+1 > tablen ) { |
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if ( tab ) GC_free(tab); |
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if ( ctab ) GC_free(ctab); |
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tablen = k+1; |
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tab = (struct cdl *)MALLOC(tablen*sizeof(struct cdl)); |
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ctab = (Q *)MALLOC(tablen*sizeof(Q)); |
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} |
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/* degree of xi^a*(Di^k*xi^l)*Di^b */ |
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s = a+k+l+b; |
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/* compute xi^a*(Di^k*xi^l)*Di^b */ |
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min = MIN(k,l); |
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mkwc(k,l,ctab); |
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bzero(tab,(k+1)*sizeof(struct cdl)); |
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if ( n & 1 ) |
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for ( j = 0; j <= min; j++ ) { |
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NEWDL(d,n); |
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d->d[i] = l-j+a; d->d[n2+i] = k-j+b; |
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d->td = s; |
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d->d[n-1] = s-(d->d[i]+d->d[n2+i]); |
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tab[j].d = d; |
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tab[j].c = (P)ctab[j]; |
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} |
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else |
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for ( j = 0; j <= min; j++ ) { |
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NEWDL(d,n); |
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d->d[i] = l-j+a; d->d[n2+i] = k-j+b; |
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d->td = d->d[i]+d->d[n2+i]; /* XXX */ |
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tab[j].d = d; |
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tab[j].c = (P)ctab[j]; |
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} |
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bzero(ctab,(min+1)*sizeof(Q)); |
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comm_muld_tab(vl,n,rtab,curlen,tab,k+1,tmptab); |
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curlen *= k+1; |
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bcopy(tmptab,rtab,curlen*sizeof(struct cdl)); |
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} |
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} |
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/* direct product of two cdl tables |
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rt[] = [ |
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t[0]*t1[0],...,t[n-1]*t1[0], |
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t[0]*t1[1],...,t[n-1]*t1[1], |
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... |
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t[0]*t1[n1-1],...,t[n-1]*t1[n1-1] |
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] |
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*/ |
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void comm_muld_tab(vl,nv,t,n,t1,n1,rt) |
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VL vl; |
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int nv; |
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struct cdl *t; |
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int n; |
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struct cdl *t1; |
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int n1; |
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struct cdl *rt; |
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{ |
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int i,j; |
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struct cdl *p; |
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P c; |
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DL d; |
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bzero(rt,n*n1*sizeof(struct cdl)); |
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for ( j = 0, p = rt; j < n1; j++ ) { |
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c = t1[j].c; |
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d = t1[j].d; |
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if ( !c ) |
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break; |
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for ( i = 0; i < n; i++, p++ ) { |
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if ( t[i].c ) { |
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mulp(vl,t[i].c,c,&p->c); |
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adddl(nv,t[i].d,d,&p->d); |
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} |
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} |
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} |
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} |
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void muldc(vl,p,c,pr) |
void muldc(vl,p,c,pr) |
VL vl; |
VL vl; |
DP p; |
DP p; |
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} |
} |
} |
} |
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/* d1 += d2 */ |
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void adddl_destructive(n,d1,d2) |
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int n; |
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DL d1,d2; |
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{ |
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DL dt; |
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int i; |
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d1->td += d2->td; |
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for ( i = 0; i < n; i++ ) |
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d1->d[i] += d2->d[i]; |
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} |
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int compd(vl,p1,p2) |
int compd(vl,p1,p2) |
VL vl; |
VL vl; |
DP p1,p2; |
DP p1,p2; |
Line 520 int cmpdl_revgradlex(n,d1,d2) |
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Line 915 int cmpdl_revgradlex(n,d1,d2) |
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int n; |
int n; |
DL d1,d2; |
DL d1,d2; |
{ |
{ |
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register int i; |
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register int *p1,*p2; |
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if ( d1->td > d2->td ) |
if ( d1->td > d2->td ) |
return 1; |
return 1; |
else if ( d1->td < d2->td ) |
else if ( d1->td < d2->td ) |
return -1; |
return -1; |
else |
else { |
return cmpdl_revlex(n,d1,d2); |
for ( i= n - 1, p1 = d1->d+n-1, p2 = d2->d+n-1; |
|
i >= 0 && *p1 == *p2; i--, p1--, p2-- ); |
|
return i < 0 ? 0 : (*p1 < *p2 ? 1 : -1); |
|
} |
} |
} |
|
|
int cmpdl_blex(n,d1,d2) |
int cmpdl_blex(n,d1,d2) |
|
|
return -1; |
return -1; |
else |
else |
return cmpdl_revgradlex(n,d1,d2); |
return cmpdl_revgradlex(n,d1,d2); |
|
} |
|
|
|
int cmpdl_weyl_elim(n,d1,d2) |
|
int n; |
|
DL d1,d2; |
|
{ |
|
int e1,e2,i; |
|
|
|
for ( i = 1, e1 = 0, e2 = 0; i <= dp_nelim; i++ ) { |
|
e1 += d1->d[n-i]; e2 += d2->d[n-i]; |
|
} |
|
if ( e1 > e2 ) |
|
return 1; |
|
else if ( e1 < e2 ) |
|
return -1; |
|
else if ( d1->td > d2->td ) |
|
return 1; |
|
else if ( d1->td < d2->td ) |
|
return -1; |
|
else return -cmpdl_revlex(n,d1,d2); |
|
} |
|
|
|
/* |
|
a special ordering |
|
1. total order |
|
2. (-w,w) for the first 2*m variables |
|
3. DRL for the first 2*m variables |
|
*/ |
|
|
|
extern int *current_weight_vector; |
|
|
|
int cmpdl_homo_ww_drl(n,d1,d2) |
|
int n; |
|
DL d1,d2; |
|
{ |
|
int e1,e2,m,i; |
|
int *p1,*p2; |
|
|
|
if ( d1->td > d2->td ) |
|
return 1; |
|
else if ( d1->td < d2->td ) |
|
return -1; |
|
|
|
m = n>>1; |
|
for ( i = 0, e1 = e2 = 0; i < m; i++ ) { |
|
e1 += current_weight_vector[i]*(d1->d[m+i] - d1->d[i]); |
|
e2 += current_weight_vector[i]*(d2->d[m+i] - d2->d[i]); |
|
} |
|
if ( e1 > e2 ) |
|
return 1; |
|
else if ( e1 < e2 ) |
|
return -1; |
|
|
|
e1 = d1->td - d1->d[n-1]; |
|
e2 = d2->td - d2->d[n-1]; |
|
if ( e1 > e2 ) |
|
return 1; |
|
else if ( e1 < e2 ) |
|
return -1; |
|
|
|
for ( i= n - 1, p1 = d1->d+n-1, p2 = d2->d+n-1; |
|
i >= 0 && *p1 == *p2; i--, p1--, p2-- ); |
|
return i < 0 ? 0 : (*p1 < *p2 ? 1 : -1); |
} |
} |
|
|
int cmpdl_order_pair(n,d1,d2) |
int cmpdl_order_pair(n,d1,d2) |