=================================================================== RCS file: /home/cvs/OpenXM_contrib2/asir2000/builtin/gr.c,v retrieving revision 1.23 retrieving revision 1.35 diff -u -p -r1.23 -r1.35 --- OpenXM_contrib2/asir2000/builtin/gr.c 2001/09/05 08:09:10 1.23 +++ OpenXM_contrib2/asir2000/builtin/gr.c 2001/09/18 00:56:05 1.35 @@ -45,15 +45,20 @@ * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. * - * $OpenXM: OpenXM_contrib2/asir2000/builtin/gr.c,v 1.22 2001/09/05 01:57:32 noro Exp $ + * $OpenXM$ */ #include "ca.h" #include "parse.h" #include "base.h" #include "ox.h" -#define ITOS(p) (((unsigned int)(p))&0x7fffffff) -#define STOI(i) ((P)((unsigned int)(i)|0x80000000)) +#if defined(__GNUC__) +#define INLINE inline +#elif defined(VISUAL) +#define INLINE __inline +#else +#define INLINE +#endif #define NEXTVL(r,c) \ if(!(r)){NEWVL(r);(c)=(r);}else{NEWVL(NEXT(c));(c)=NEXT(c);} @@ -85,6 +90,9 @@ extern int do_weyl; extern DP_Print; +void dptoca(DP,unsigned int **); +void _tf_to_vect_compress(NODE,DL *,CDP *); +NODE mul_dllist(DL,DP); void dp_imul_d(DP,Q,DP *); void print_stat(void); void init_stat(void); @@ -182,7 +190,7 @@ int doing_f4; NODE TraceList; NODE AllTraceList; -int eqdl(nv,dl1,dl2) +INLINE int eqdl(nv,dl1,dl2) int nv; DL dl1,dl2; { @@ -217,6 +225,41 @@ int *b; } } +/* [t,findex] -> tf -> compressed vector */ + +void _tf_to_vect_compress(tf,at,b) +NODE tf; +DL *at; +CDP *b; +{ + int i,j,k,nv,len; + DL t,s,d1; + DP f; + MP m; + CDP r; + + t = (DL)BDY(tf); + f = ps[(int)BDY(NEXT(tf))]; + + nv = f->nv; + for ( m = BDY(f), len = 0; m; m = NEXT(m), len++ ); + r = (CDP)MALLOC(sizeof(struct oCDP)); + r->len = len; + r->psindex = (int)BDY(NEXT(tf)); + r->body = (unsigned int *)MALLOC_ATOMIC(sizeof(unsigned int)*len); + + NEWDL_NOINIT(s,nv); + for ( m = BDY(f), i = j = 0; m; m = NEXT(m), j++ ) { + d1 = m->dl; + s->td = t->td+d1->td; + for ( k = 0; k < nv; k++ ) + s->d[k] = t->d[k]+d1->d[k]; + for ( ; !eqdl(nv,s,at[i]); i++ ); + r->body[j] = i; + } + *b = r; +} + void dp_to_vect(f,at,b) DP f; DL *at; @@ -248,6 +291,32 @@ DP f; return mp0; } +NODE mul_dllist(d,f) +DL d; +DP f; +{ + MP m; + NODE mp,mp0; + DL t,d1; + int i,nv; + + if ( !f ) + return 0; + nv = NV(f); + mp0 = 0; + for ( m = BDY(f); m; m = NEXT(m) ) { + NEXTNODE(mp0,mp); + NEWDL_NOINIT(t,nv); + d1 = m->dl; + t->td = d->td+d1->td; + for ( i = 0; i < nv; i++ ) + t->d[i] = d->d[i]+d1->d[i]; + BDY(mp) = (pointer)t; + } + NEXT(mp) = 0; + return mp0; +} + void pdl(f) NODE f; { @@ -438,7 +507,7 @@ LIST f,v; struct order_spec *ord; LIST *rp; { - int i,mindex,m,nochk; + int i,mindex,m,nochk,homogen; struct order_spec ord1; VL fv,vv,vc; NODE fd,fd0,fi,fi0,r,r0,t,subst,x,s,xx; @@ -450,13 +519,17 @@ LIST *rp; if ( ord->id && NVars != ord->nv ) error("dp_f4_main : invalid order specification"); initd(ord); - for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) { + for ( fd0 = 0, t = BDY(f), homogen = 1; t; t = NEXT(t) ) { NEXTNODE(fd0,fd); ptod(CO,vv,(P)BDY(t),(DP *)&BDY(fd)); + if ( homogen ) + homogen = dp_homogeneous(BDY(fd)); } if ( fd0 ) NEXT(fd) = 0; setup_arrays(fd0,0,&s); x = gb_f4(s); - reduceall(x,&xx); x = xx; + if ( !homogen ) { + reduceall(x,&xx); x = xx; + } for ( r0 = 0; x; x = NEXT(x) ) { NEXTNODE(r0,r); dp_load((int)BDY(x),&ps[(int)BDY(x)]); dtop(CO,vv,ps[(int)BDY(x)],(P *)&BDY(r)); @@ -471,7 +544,7 @@ int m; struct order_spec *ord; LIST *rp; { - int i; + int i,homogen; struct order_spec ord1; VL fv,vv,vc; DP b,c,c1; @@ -484,8 +557,10 @@ LIST *rp; if ( ord->id && NVars != ord->nv ) error("dp_f4_mod_main : invalid order specification"); initd(ord); - for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) { + for ( fd0 = 0, t = BDY(f), homogen = 1; t; t = NEXT(t) ) { ptod(CO,vv,(P)BDY(t),&b); + if ( homogen ) + homogen = dp_homogeneous(b); _dp_mod(b,m,0,&c); _dp_monic(c,m,&c1); if ( c ) { @@ -494,13 +569,17 @@ LIST *rp; } if ( fd0 ) NEXT(fd) = 0; setup_arrays(fd0,m,&s); + init_stat(); x = gb_f4_mod(s,m); - reduceall_mod(x,m,&xx); x = xx; + if ( !homogen ) { + reduceall_mod(x,m,&xx); x = xx; + } for ( r0 = 0; x; x = NEXT(x) ) { NEXTNODE(r0,r); _dtop_mod(CO,vv,ps[(int)BDY(x)],(P *)&BDY(r)); } if ( r0 ) NEXT(r) = 0; MKLIST(*rp,r0); + print_stat(); } NODE gb_f4(f) @@ -624,6 +703,8 @@ NODE f; /* initial bases are monic */ +unsigned int **psca; + NODE gb_f4_mod(f,m) NODE f; int m; @@ -634,21 +715,29 @@ int m; DP_pairs d,dm,dr,t; DP h,nf,f1,f2,f21,f21r,sp,sp1,sd,sdm,tdp; MP mp,mp0; - NODE blist,bt,nt; + NODE blist,bt,nt,bt1,dt,rhtlist; DL *ht,*at,*st; - int **spmat,**redmat; - int *colstat,*w; - int rank,nred,nsp,nonzero,spcol; - int *indred,*isred,*ri; + int **spmat; + CDP *redmat; + int *colstat,*w,*w1; + int rank,nred,nsp,nsp0,nonzero,spcol; + int *indred,*isred; + CDP ri; + int pscalen; struct oEGT tmp0,tmp1,tmp2,eg_split_symb,eg_split_elim1,eg_split_elim2; extern struct oEGT eg_symb,eg_elim1,eg_elim2; + /* initialize coeffcient array list of ps[] */ + pscalen = pslen; + psca = (unsigned int **)MALLOC(pscalen*sizeof(unsigned int *)); + init_eg(&eg_symb); init_eg(&eg_elim1); init_eg(&eg_elim2); for ( gall = g = 0, d = 0, r = f; r; r = NEXT(r) ) { i = (int)BDY(r); d = updpairs(d,g,i); g = updbase(g,i); gall = append_one(gall,i); + dptoca(ps[i],&psca[i]); } if ( gall ) nv = ((DP)ps[(int)BDY(gall)])->nv; @@ -666,7 +755,9 @@ int m; s0 = symb_merge(s0,dp_dllist(sp),nv); } } - /* s0 : all the terms appeared in symbolic redunction */ + if ( DP_Print ) + fprintf(asir_out,"initial spmat : %d x %d ",length(blist),length(s0)); + /* s0 : all the terms appeared in symbolic reduction */ for ( s = s0, nred = 0; s; s = NEXT(s) ) { for ( r = gall; r; r = NEXT(r) ) if ( _dl_redble(BDY(ps[(int)BDY(r)])->dl,BDY(s),nv) ) @@ -674,26 +765,21 @@ int m; if ( r ) { dltod(BDY(s),nv,&tdp); dp_subd(tdp,ps[(int)BDY(r)],&sd); - _dp_mod(sd,m,0,&sdm); - mulmd_dup(m,sdm,ps[(int)BDY(r)],&f2); - MKNODE(bt,f2,blist); blist = bt; - s = symb_merge(s,dp_dllist(f2),nv); + dt = mul_dllist(BDY(sd)->dl,ps[(int)BDY(r)]); + /* list of [t,f] */ + bt1 = mknode(2,BDY(sd)->dl,BDY(r)); + MKNODE(bt,bt1,blist); blist = bt; + symb_merge(s,dt,nv); nred++; } } - - get_eg(&tmp1); add_eg(&eg_symb,&tmp0,&tmp1); - init_eg(&eg_split_symb); add_eg(&eg_split_symb,&tmp0,&tmp1); + if ( DP_Print ) + fprintf(asir_out,"number of reducers : %d\n",nred); /* the first nred polys in blist are reducers */ /* row = the number of all the polys */ for ( r = blist, row = 0; r; r = NEXT(r), row++ ); - /* head terms of reducers */ - ht = (DL *)MALLOC(nred*sizeof(DL)); - for ( r = blist, i = 0; i < nred; r = NEXT(r), i++ ) - ht[i] = BDY((DP)BDY(r))->dl; - /* col = number of all terms */ for ( s = s0, col = 0; s; s = NEXT(s), col++ ); @@ -706,21 +792,20 @@ int m; nsp = row-nred; /* reducer matrix */ - redmat = (int **)almat(nred,col); + /* indred : register the position of the head term */ + redmat = (CDP *)MALLOC(nred*sizeof(CDP)); for ( i = 0, r = blist; i < nred; r = NEXT(r), i++ ) - _dpmod_to_vect(BDY(r),at,redmat[i]); - /* XXX */ -/* reduce_reducers_mod(redmat,nred,col,m); */ + _tf_to_vect_compress(BDY(r),at,&redmat[i]); + /* register the position of the head term */ - indred = (int *)MALLOC(nred*sizeof(int)); + indred = (int *)MALLOC_ATOMIC(nred*sizeof(int)); bzero(indred,nred*sizeof(int)); - isred = (int *)MALLOC(col*sizeof(int)); + isred = (int *)MALLOC_ATOMIC(col*sizeof(int)); bzero(isred,col*sizeof(int)); for ( i = 0; i < nred; i++ ) { ri = redmat[i]; - for ( j = 0; j < col && !ri[j]; j++ ); - indred[i] = j; - isred[j] = 1; + indred[i] = ri->body[0]; + isred[indred[i]] = 1; } spcol = col-nred; @@ -729,23 +814,47 @@ int m; for ( j = 0, k = 0; j < col; j++ ) if ( !isred[j] ) st[k++] = at[j]; + get_eg(&tmp1); add_eg(&eg_symb,&tmp0,&tmp1); + init_eg(&eg_split_symb); add_eg(&eg_split_symb,&tmp0,&tmp1); + get_eg(&tmp1); /* spoly matrix; stored in reduced form; terms in ht[] are omitted */ - spmat = almat(nsp,spcol); - w = (int *)MALLOC(col*sizeof(int)); - for ( ; i < row; r = NEXT(r), i++ ) { + spmat = (int **)MALLOC(nsp*sizeof(int *)); + w = (int *)MALLOC_ATOMIC(col*sizeof(int)); + + /* skip reducers in blist */ + for ( i = 0, r = blist; i < nred; r = NEXT(r), i++ ); + for ( i = 0; r; r = NEXT(r) ) { bzero(w,col*sizeof(int)); _dpmod_to_vect(BDY(r),at,w); - reduce_sp_by_red_mod(w,redmat,indred,nred,col,m); - for ( j = 0, k = 0; j < col; j++ ) - if ( !isred[j] ) - spmat[i-nred][k++] = w[j]; + reduce_sp_by_red_mod_compress(w,redmat,indred,nred,col,m); + for ( j = 0; j < col; j++ ) + if ( w[j] ) + break; + if ( j < col ) { + w1 = (int *)MALLOC_ATOMIC(spcol*sizeof(int)); + for ( j = 0, k = 0; j < col; j++ ) + if ( !isred[j] ) + w1[k++] = w[j]; + spmat[i] = w1; + i++; + } } + /* update nsp */ + nsp0 = nsp; + nsp = i; + /* XXX free redmat explicitly */ + for ( k = 0; k < nred; k++ ) { + GC_free(BDY(redmat[k])); + GC_free(redmat[k]); + } + get_eg(&tmp0); add_eg(&eg_elim1,&tmp1,&tmp0); init_eg(&eg_split_elim1); add_eg(&eg_split_elim1,&tmp1,&tmp0); colstat = (int *)MALLOC_ATOMIC(spcol*sizeof(int)); + bzero(colstat,spcol*sizeof(int)); for ( i = 0, nonzero=0; i < nsp; i++ ) for ( j = 0; j < spcol; j++ ) if ( spmat[i][j] ) @@ -767,6 +876,13 @@ int m; print_eg("Elim2",&eg_split_elim2); fprintf(asir_out,"\n"); } + + NZR += rank; + ZR += nsp0-rank; + + if ( !rank ) + continue; + for ( j = 0, i = 0; j < spcol; j++ ) if ( colstat[j] ) { mp0 = 0; @@ -779,11 +895,22 @@ int m; NEXT(mp) = 0; MKDP(nv,mp0,nf); nf->sugar = dm->sugar; nh = newps_mod(nf,m); + if ( nh == pscalen ) { + psca = (unsigned int **) + REALLOC(psca,2*pscalen*sizeof(unsigned int *)); + pscalen *= 2; + } + dptoca(ps[nh],&psca[nh]); d = updpairs(d,g,nh); g = updbase(g,nh); gall = append_one(gall,nh); i++; } + + /* XXX free spmat[] explicitly */ + for ( j = 0; j < nsp; j++ ) { + GC_free(spmat[j]); + } } if ( DP_Print ) { print_eg("Symb",&eg_symb); @@ -2042,7 +2169,7 @@ void init_stat() { init_eg(&eg_nf); init_eg(&eg_nfm); init_eg(&eg_znfm); init_eg(&eg_pz); init_eg(&eg_np); init_eg(&eg_ra); init_eg(&eg_mc); init_eg(&eg_gc); - ZR = NZR = TP = NBP = NFP = NDP = 0; + ZR = NZR = TP = NMP = NBP = NFP = NDP = 0; } void print_stat() { @@ -2359,5 +2486,23 @@ VECT *rp; MKVECT(r,n); *rp = r; for ( i = 0; i < n; i++ ) mulq((Q)BDY(w)[i],(Q)c,(Q *)&BDY(r)[i]); +} + +void dptoca(p,rp) +DP p; +unsigned int **rp; +{ + int i; + MP m; + unsigned int *r; + + if ( !p ) + *rp = 0; + else { + for ( m = BDY(p), i = 0; m; m = NEXT(m), i++ ); + *rp = r = (unsigned int *)MALLOC_ATOMIC(i*sizeof(unsigned int)); + for ( m = BDY(p), i = 0; m; m = NEXT(m), i++ ) + r[i] = ITOS(C(m)); + } }