=================================================================== RCS file: /home/cvs/OpenXM_contrib2/asir2000/engine/dist.c,v retrieving revision 1.4 retrieving revision 1.9 diff -u -p -r1.4 -r1.9 --- OpenXM_contrib2/asir2000/engine/dist.c 2000/04/25 04:07:59 1.4 +++ OpenXM_contrib2/asir2000/engine/dist.c 2000/08/22 05:04:05 1.9 @@ -1,4 +1,52 @@ -/* $OpenXM: OpenXM_contrib2/asir2000/engine/dist.c,v 1.3 2000/04/13 06:01:02 noro Exp $ */ +/* + * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED + * All rights reserved. + * + * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited, + * non-exclusive and royalty-free license to use, copy, modify and + * redistribute, solely for non-commercial and non-profit purposes, the + * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and + * conditions of this Agreement. For the avoidance of doubt, you acquire + * only a limited right to use the SOFTWARE hereunder, and FLL or any + * third party developer retains all rights, including but not limited to + * copyrights, in and to the SOFTWARE. + * + * (1) FLL does not grant you a license in any way for commercial + * purposes. You may use the SOFTWARE only for non-commercial and + * non-profit purposes only, such as academic, research and internal + * business use. + * (2) The SOFTWARE is protected by the Copyright Law of Japan and + * international copyright treaties. If you make copies of the SOFTWARE, + * with or without modification, as permitted hereunder, you shall affix + * to all such copies of the SOFTWARE the above copyright notice. + * (3) An explicit reference to this SOFTWARE and its copyright owner + * shall be made on your publication or presentation in any form of the + * results obtained by use of the SOFTWARE. + * (4) In the event that you modify the SOFTWARE, you shall notify FLL by + * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification + * for such modification or the source code of the modified part of the + * SOFTWARE. + * + * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL + * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND + * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS + * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES' + * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY + * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY. + * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT, + * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL + * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES + * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES + * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY + * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF + * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART + * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY + * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, + * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. + * + * $OpenXM: OpenXM_contrib2/asir2000/engine/dist.c,v 1.8 2000/08/21 08:31:27 noro Exp $ +*/ #include "ca.h" #define NV(p) ((p)->nv) @@ -414,8 +462,9 @@ DP p1,p2,*pr; { MP m; DP s,t,u; - int i,l; - MP *w; + int i,l,l1; + static MP *w; + static int wlen; if ( !p1 || !p2 ) *pr = 0; @@ -424,13 +473,23 @@ DP p1,p2,*pr; else if ( OID(p2) <= O_P ) muldc(vl,p1,(P)p2,pr); else { + for ( m = BDY(p1), l1 = 0; m; m = NEXT(m), l1++ ); for ( m = BDY(p2), l = 0; m; m = NEXT(m), l++ ); - w = ALLOCA(l*sizeof(MP)); + if ( l1 < l ) { + t = p1; p1 = p2; p2 = t; + l = l1; + } + if ( l > wlen ) { + if ( w ) GC_free(w); + w = (MP *)MALLOC(l*sizeof(MP)); + wlen = l; + } for ( m = BDY(p2), i = 0; i < l; m = NEXT(m), i++ ) w[i] = m; for ( s = 0, i = l-1; i >= 0; i-- ) { muldm(vl,p1,w[i],&t); addd(vl,s,t,&u); s = u; } + bzero(w,l*sizeof(MP)); *pr = s; } } @@ -471,7 +530,8 @@ DP p1,p2,*pr; MP m; DP s,t,u; int i,l; - MP *w; + static MP *w; + static int wlen; if ( !p1 || !p2 ) *pr = 0; @@ -481,12 +541,17 @@ DP p1,p2,*pr; muldc(vl,p1,(P)p2,pr); else { for ( m = BDY(p2), l = 0; m; m = NEXT(m), l++ ); - w = ALLOCA(l*sizeof(MP)); + if ( l > wlen ) { + if ( w ) GC_free(w); + w = (MP *)MALLOC(l*sizeof(MP)); + wlen = l; + } for ( m = BDY(p2), i = 0; i < l; m = NEXT(m), i++ ) w[i] = m; for ( s = 0, i = l-1; i >= 0; i-- ) { weyl_muldm(vl,p1,w[i],&t); addd(vl,s,t,&u); s = u; } + bzero(w,l*sizeof(MP)); *pr = s; } } @@ -500,19 +565,25 @@ DP *pr; DP r,t,t1; MP m; int n,l,i; - MP *w; + static MP *w; + static int wlen; if ( !p ) *pr = 0; else { for ( m = BDY(p), l = 0; m; m = NEXT(m), l++ ); - w = ALLOCA(l*sizeof(MP)); + if ( l > wlen ) { + if ( w ) GC_free(w); + w = (MP *)MALLOC(l*sizeof(MP)); + wlen = l; + } for ( m = BDY(p), i = 0; i < l; m = NEXT(m), i++ ) w[i] = m; for ( r = 0, i = l-1, n = NV(p); i >= 0; i-- ) { weyl_mulmm(vl,w[i],m0,n,&t); addd(vl,r,t,&t1); r = t1; } + bzero(w,l*sizeof(MP)); if ( r ) r->sugar = p->sugar + m0->dl->td; *pr = r; @@ -532,7 +603,8 @@ DP *pr; P c,c0,c1,cc; DL d,d0,d1; int i,j,a,b,k,l,n2,s,min; - Q *tab; + static Q *tab; + static int tablen; if ( !m0 || !m1 ) *pr = 0; @@ -541,22 +613,46 @@ DP *pr; mulp(vl,c0,c1,&c); d0 = m0->dl; d1 = m1->dl; n2 = n>>1; - for ( i = 0, r = (DP)ONE; i < n2; i++ ) { + if ( n & 1 ) { + /* homogenized computation; dx-xd=h^2 */ + /* offset of h-degree */ + NEWDL(d,n); + d->td = d->d[n-1] = d0->d[n-1]+d1->d[n-1]; + NEWMP(mr); mr->c = (P)ONE; mr->dl = d; + MKDP(n,mr,r); r->sugar = d->td; + } else + r = (DP)ONE; + for ( i = 0; i < n2; i++ ) { a = d0->d[i]; b = d1->d[n2+i]; k = d0->d[n2+i]; l = d1->d[i]; + /* degree of xi^a*(Di^k*xi^l)*Di^b */ + s = a+k+l+b; /* compute xi^a*(Di^k*xi^l)*Di^b */ min = MIN(k,l); - tab = (Q *)ALLOCA((min+1)*sizeof(Q)); - mkwc(k,l,tab); - for ( mr0 = 0, s = 0, j = 0; j <= min; j++ ) { - NEXTMP(mr0,mr); - NEWDL(d,n); - d->d[i] = l-j+a; d->d[n2+i] = k-j+b; - d->td = d->d[i]+d->d[n2+i]; /* XXX */ - s = MAX(s,d->td); /* XXX */ - mr->c = (P)tab[j]; - mr->dl = d; + + if ( min+1 > tablen ) { + if ( tab ) GC_free(tab); + tab = (Q *)MALLOC((min+1)*sizeof(Q)); + tablen = min+1; } + mkwc(k,l,tab); + if ( n & 1 ) + for ( mr0 = 0, j = 0; j <= min; j++ ) { + NEXTMP(mr0,mr); NEWDL(d,n); + d->d[i] = l-j+a; d->d[n2+i] = k-j+b; + d->td = s; + d->d[n-1] = s-(d->d[i]+d->d[n2+i]); + mr->c = (P)tab[j]; mr->dl = d; + } + else + for ( mr0 = 0, s = 0, j = 0; j <= min; j++ ) { + NEXTMP(mr0,mr); NEWDL(d,n); + d->d[i] = l-j+a; d->d[n2+i] = k-j+b; + d->td = d->d[i]+d->d[n2+i]; /* XXX */ + s = MAX(s,d->td); /* XXX */ + mr->c = (P)tab[j]; mr->dl = d; + } + bzero(tab,(min+1)*sizeof(Q)); if ( mr0 ) NEXT(mr) = 0; MKDP(n,mr0,t); @@ -701,12 +797,18 @@ int cmpdl_revgradlex(n,d1,d2) int n; DL d1,d2; { + register int i; + register int *p1,*p2; + if ( d1->td > d2->td ) return 1; else if ( d1->td < d2->td ) return -1; - else - return cmpdl_revlex(n,d1,d2); + else { + 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)