=================================================================== RCS file: /home/cvs/OpenXM_contrib2/asir2000/builtin/gr.c,v retrieving revision 1.2 retrieving revision 1.72 diff -u -p -r1.2 -r1.72 --- OpenXM_contrib2/asir2000/builtin/gr.c 2000/04/13 06:01:01 1.2 +++ OpenXM_contrib2/asir2000/builtin/gr.c 2016/08/08 07:18:10 1.72 @@ -1,102 +1,81 @@ -/* $OpenXM: OpenXM_contrib2/asir2000/builtin/gr.c,v 1.1.1.1 1999/12/03 07:39:07 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/builtin/gr.c,v 1.71 2015/08/14 13:51:54 fujimoto Exp $ +*/ #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 static inline +#elif defined(VISUAL) || defined(__MINGW32__) +#define INLINE __inline +#else +#define INLINE +#endif -#define NEXTVL(r,c) \ -if(!(r)){NEWVL(r);(c)=(r);}else{NEWVL(NEXT(c));(c)=NEXT(c);} - #define HMAG(p) (p_mag(BDY(p)->c)) -struct dp_pairs { - int dp1, dp2; - DL lcm; - int sugar; - struct dp_pairs *next; -}; +#define NEWDP_pairs ((DP_pairs)MALLOC(sizeof(struct dp_pairs))) -typedef struct dp_pairs *DP_pairs; +static DP_pairs collect_pairs_of_hdlcm( DP_pairs d1, DP_pairs *prest ); +double get_rtime(); -#define NEWDPP(a) ((a)=(DP_pairs)MALLOC(sizeof(struct dp_pairs))) +struct oEGT eg_nf,eg_nfm; +struct oEGT eg_znfm,eg_pz,eg_np,eg_ra,eg_mc,eg_gc; +int TP,N_BP,NMP,NFP,NDP,ZR,NZR; -#define NEXTDPP(r,c) \ -if(!(r)){NEWDPP(r);(c)=(r);}else{NEWDPP(NEXT(c));(c)=NEXT(c);} - -struct oEGT eg_up,eg_sp,eg_spm,eg_nf,eg_nfm; -struct oEGT eg_znfm,eg_pz,eg_np,eg_mp,eg_ra,eg_mc,eg_gc; -int TP,NBP,NMP,NFP,NDP,ZR,NZR; - -#define NEWDP_pairs ((DP_pairs)MALLOC(sizeof(struct dp_pairs))) - extern int (*cmpdl)(); +extern int do_weyl; -void Pdp_gr_flags(), Pdp_gr_print(); -void Pdp_gr_main(),Pdp_gr_mod_main(),Pdp_f4_main(),Pdp_f4_mod_main(); +extern DP_Print; -void print_stat(void); -void init_stat(void); -int dp_load_t(int,DP *); -void dp_load(int,DP *); -void dp_save(int,DP); -void dp_make_flaglist(LIST *); -void dp_set_flag(Obj,Obj); -int membercheck(NODE,NODE); -int gbcheck(NODE); -int dl_redble(DL,DL); -NODE remove_reducibles(NODE,int); -NODE updbase(NODE,int); -DP_pairs criterion_F(DP_pairs); -int criterion_2(int,int); -static DP_pairs collect_pairs_of_hdlcm(DP_pairs,DP_pairs *); -DP_pairs criterion_M(DP_pairs); -DP_pairs criterion_B(DP_pairs,int); -DP_pairs newpairs(NODE,int); -DP_pairs updpairs(DP_pairs,NODE,int); -void _dp_nf_ptozp(NODE,DP,DP *,int,int,DP *); -void _dp_nf_ptozp_mpi(NODE,DP,DP *,int,int,DP *); -void _dp_nf(NODE,DP,DP *,int,DP *); -void _dp_nf_mod(NODE,DP,DP *,int,int,DP *); -void interreduce_mod(NODE,int,int); -NODE gb_mod(NODE,int); -NODE gbd(NODE,int,NODE,NODE); -NODE gb(NODE,int,NODE); -NODE gb_f4(NODE); -NODE gb_f4_mod(NODE,int); -DP_pairs minp(DP_pairs, DP_pairs *); -void minsugar(DP_pairs,DP_pairs *,DP_pairs *); -NODE append_one(NODE,int); -void reducebase_dehomo(NODE,NODE *); -int newps_mod(DP,int); -int newps_nosave(DP,int,NODE); -int newps(DP,int,NODE); -void reduceall_mod(NODE,int,NODE *); -void reduceall(NODE,NODE *); -NODE NODE_sortbi(NODE,int); -NODE NODE_sortbi_insert(int, NODE,int); -NODE NODE_sortb(NODE,int); -NODE NODE_sortb_insert(DP,NODE,int); -void prim_part(DP,int,DP *); -void setup_arrays(NODE,int,NODE *); -int validhc(P,int,NODE); -void vlminus(VL,VL,VL *); -void printsubst(NODE); -void makesubst(VL,NODE *); -void pltovl(LIST,VL *); -void printdl(DL); -int DPPlength(DP_pairs); -void dp_gr_mod_main(LIST,LIST,Num,int,struct order_spec *,LIST *); -void dp_gr_main(LIST,LIST,Num,int,struct order_spec *,LIST *); -void dp_f4_main(LIST,LIST,struct order_spec *,LIST *); -void dp_f4_mod_main(LIST,LIST,int,struct order_spec *,LIST *); -double get_rtime(); -void _dpmod_to_vect(DP,DL *,int *); -void dp_to_vect(DP,DL *,Q *); -NODE dp_dllist(DP f),symb_merge(NODE,NODE,int); - extern int dp_nelim; extern int dp_fcoeffs; static DP *ps,*psm; @@ -105,208 +84,212 @@ static P *psc; static int *pss; static int psn,pslen; -static int NVars,CNVars,PCoeffs; +static int NVars,CNVars; static VL VC; -static int NoSugar = 0; + +int PCoeffs; +int DP_Print = 0; +int DP_PrintShort = 0; +int DP_Multiple = 0; +int DP_NFStat = 0; +LIST Dist = 0; +int NoGCD = 0; +int GenTrace = 0; +int GenSyz = 0; +int OXCheck = -1; +int OneZeroHomo = 0; +int MaxDeg = 0; + +int NoSugar = 0; static int NoCriB = 0; static int NoGC = 0; static int NoMC = 0; static int NoRA = 0; -int Print = 0; -static int PrintShort = 0; static int ShowMag = 0; static int Stat = 0; -static int Multiple = 0; -static int Denominator = 1; -static int Top = 0; -static int Reverse = 0; -static int InterReduce = 0; +int Denominator = 1; +int Top = 0; +int Reverse = 0; static int Max_mag = 0; -static char *Demand = 0; +static int Max_coef = 0; +char *Demand = 0; static int PtozpRA = 0; -LIST Dist = 0; -int NoGCD = 0; + int doing_f4; +NODE TraceList; +NODE AllTraceList; -void Pdp_gr_flags(arg,rp) -NODE arg; -LIST *rp; +void Pox_cmo_rpc(NODE,Obj *); +void Pox_rpc(NODE,Obj *); +void Pox_pop_local(NODE,Obj *); + +INLINE int eqdl(int nv,DL dl1,DL dl2) { - Obj name,value; - NODE n; + int i; + int *p1,*p2; - if ( arg ) { - asir_assert(ARG0(arg),O_LIST,"dp_gr_flags"); - n = BDY((LIST)ARG0(arg)); - while ( n ) { - name = (Obj)BDY(n); n = NEXT(n); - if ( !n ) - break; - else { - value = (Obj)BDY(n); n = NEXT(n); - } - dp_set_flag(name,value); - } + if ( dl1->td != dl2->td ) + return 0; + i = nv-1; + p1 = dl1->d; + p2 = dl2->d; + while ( i >= 7 ) { + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + i -= 8; } - dp_make_flaglist(rp); + switch ( i ) { + case 6: + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + return 1; + case 5: + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + return 1; + case 4: + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + return 1; + case 3: + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + return 1; + case 2: + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + return 1; + case 1: + if ( *p1++ != *p2++ ) return 0; + if ( *p1++ != *p2++ ) return 0; + return 1; + case 0: + if ( *p1++ != *p2++ ) return 0; + return 1; + default: + return 1; + } } -void Pdp_gr_print(arg,rp) -NODE arg; -Q *rp; -{ - Q q; +/* b[] should be cleared */ - if ( arg ) { - asir_assert(ARG0(arg),O_N,"dp_gr_print"); - q = (Q)ARG0(arg); Print = QTOS(q); - } else - STOQ(Print,q); - *rp = q; -} - -void Pdp_gr_main(arg,rp) -NODE arg; -LIST *rp; +void _dpmod_to_vect(DP f,DL *at,int *b) { - LIST f,v; - Num homo; - Q m; - int modular; - struct order_spec ord; + int i,nv; + MP m; - asir_assert(ARG0(arg),O_LIST,"dp_gr_main"); - asir_assert(ARG1(arg),O_LIST,"dp_gr_main"); - asir_assert(ARG2(arg),O_N,"dp_gr_main"); - asir_assert(ARG3(arg),O_N,"dp_gr_main"); - f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); - homo = (Num)ARG2(arg); - m = (Q)ARG3(arg); - if ( !m ) - modular = 0; - else if ( PL(NM(m))>1 || (PL(NM(m)) == 1 && BD(NM(m))[0] >= 0x80000000) ) - error("dp_gr_main : too large modulus"); - else - modular = QTOS(m); - create_order_spec(ARG4(arg),&ord); - dp_gr_main(f,v,homo,modular,&ord,rp); + nv = f->nv; + for ( m = BDY(f), i = 0; m; m = NEXT(m), i++ ) { + for ( ; !eqdl(nv,m->dl,at[i]); i++ ); + b[i] = ITOS(m->c); + } } -void Pdp_f4_main(arg,rp) -NODE arg; -LIST *rp; -{ - LIST f,v; - struct order_spec ord; +/* [t,findex] -> tf -> compressed vector */ - asir_assert(ARG0(arg),O_LIST,"dp_f4_main"); - asir_assert(ARG1(arg),O_LIST,"dp_f4_main"); - f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); - create_order_spec(ARG2(arg),&ord); - dp_f4_main(f,v,&ord,rp); -} - -void Pdp_f4_mod_main(arg,rp) -NODE arg; -LIST *rp; +void _tf_to_vect_compress(NODE tf,DL *at,CDP *b) { - LIST f,v; - int m; - struct order_spec ord; + int i,j,k,nv,len; + DL t,s,d1; + DP f; + MP m; + CDP r; - 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); -} + t = (DL)BDY(tf); + f = ps[(int)BDY(NEXT(tf))]; -void Pdp_gr_mod_main(arg,rp) -NODE arg; -LIST *rp; -{ - LIST f,v; - Num homo; - int m; - struct order_spec ord; + 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); - asir_assert(ARG0(arg),O_LIST,"dp_gr_mod_main"); - asir_assert(ARG1(arg),O_LIST,"dp_gr_mod_main"); - asir_assert(ARG2(arg),O_N,"dp_gr_mod_main"); - asir_assert(ARG3(arg),O_N,"dp_gr_mod_main"); - f = (LIST)ARG0(arg); v = (LIST)ARG1(arg); - homo = (Num)ARG2(arg); m = QTOS((Q)ARG3(arg)); - create_order_spec(ARG4(arg),&ord); - dp_gr_mod_main(f,v,homo,m,&ord,rp); + 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; } -int eqdl(nv,dl1,dl2) -int nv; -DL dl1,dl2; +void dp_to_vect(DP f,DL *at,Q *b) { - int i; - int *b1,*b2; - - if ( dl1->td != dl2->td ) - return 0; - for ( i = 0, b1 = dl1->d, b2 = dl2->d; i < nv; i++ ) - if ( b1[i] != b2[i] ) - break; - if ( i == nv ) - return 1; - else - return 0; -} - -void _dpmod_to_vect(f,at,b) -DP f; -DL *at; -int *b; -{ int i,nv; MP m; nv = f->nv; for ( m = BDY(f), i = 0; m; m = NEXT(m), i++ ) { for ( ; !eqdl(nv,m->dl,at[i]); i++ ); - b[i] = ITOS(m->c); + b[i] =(Q)m->c; } } -void dp_to_vect(f,at,b) -DP f; -DL *at; -Q *b; +NODE dp_dllist(DP f) { - int i,nv; MP m; + NODE mp,mp0; - nv = f->nv; - for ( m = BDY(f), i = 0; m; m = NEXT(m), i++ ) { - for ( ; !eqdl(nv,m->dl,at[i]); i++ ); - b[i] =(Q)m->c; + if ( !f ) + return 0; + mp0 = 0; + for ( m = BDY(f); m; m = NEXT(m) ) { + NEXTNODE(mp0,mp); BDY(mp) = (pointer)m->dl; } + NEXT(mp) = 0; + return mp0; } -NODE dp_dllist(f) -DP f; +NODE mul_dllist(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); BDY(mp) = (pointer)m->dl; + 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; +void pdl(NODE f) { while ( f ) { printdl(BDY(f)); f = NEXT(f); @@ -315,19 +298,18 @@ NODE f; printf("\n"); } -void dp_gr_main(f,v,homo,modular,ord,rp) -LIST f,v; -Num homo; -int modular; -struct order_spec *ord; -LIST *rp; +void dp_gr_main(LIST f,LIST v,Num homo,int modular,int field,struct order_spec *ord,LIST *rp) { int i,mindex,m,nochk; - struct order_spec ord1; + struct order_spec *ord1; + Q q; VL fv,vv,vc; NODE fd,fd0,fi,fi0,r,r0,t,subst,x,s,xx; + NODE ind,ind0; + LIST trace,gbindex; + int input_is_dp = 0; - mindex = 0; nochk = 0; dp_fcoeffs = 0; + mindex = 0; nochk = 0; dp_fcoeffs = field; get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&vc); NVars = length((NODE)vv); PCoeffs = vc ? 1 : 0; VC = vc; CNVars = homo ? NVars+1 : NVars; @@ -338,14 +320,22 @@ LIST *rp; homogenize_order(ord,NVars,&ord1); for ( fd0 = fi0 = 0, t = BDY(f); t; t = NEXT(t) ) { NEXTNODE(fd0,fd); NEXTNODE(fi0,fi); - ptod(CO,vv,(P)BDY(t),(DP *)&BDY(fi)); dp_homo((DP)BDY(fi),(DP *)&BDY(fd)); + if ( BDY(t) && OID(BDY(t)) == O_DP ) { + dp_sort((DP)BDY(t),(DP *)&BDY(fi)); input_is_dp = 1; + } else + ptod(CO,vv,(P)BDY(t),(DP *)&BDY(fi)); + dp_homo((DP)BDY(fi),(DP *)&BDY(fd)); } if ( fd0 ) NEXT(fd) = 0; if ( fi0 ) NEXT(fi) = 0; - initd(&ord1); + initd(ord1); } else { for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) { - NEXTNODE(fd0,fd); ptod(CO,vv,(P)BDY(t),(DP *)&BDY(fd)); + NEXTNODE(fd0,fd); + if ( BDY(t) && OID(BDY(t)) == O_DP ) { + dp_sort((DP)BDY(t),(DP *)&BDY(fd)); input_is_dp = 1; + } else + ptod(CO,vv,(P)BDY(t),(DP *)&BDY(fd)); } if ( fd0 ) NEXT(fd) = 0; fi0 = fd0; @@ -354,7 +344,7 @@ LIST *rp; modular = -modular; nochk = 1; } if ( modular ) - m = modular > 1 ? modular : lprime[mindex]; + m = modular > 1 ? modular : get_lprime(mindex); else m = 0; makesubst(vc,&subst); @@ -362,9 +352,9 @@ LIST *rp; init_stat(); while ( 1 ) { if ( homo ) { - initd(&ord1); CNVars = NVars+1; + initd(ord1); CNVars = NVars+1; } - if ( Print && modular ) { + if ( DP_Print && modular ) { fprintf(asir_out,"mod= %d, eval = ",m); printsubst(subst); } x = gb(s,m,subst); @@ -384,35 +374,96 @@ LIST *rp; if ( modular > 1 ) { *rp = 0; return; } else - m = lprime[++mindex]; + m = get_lprime(++mindex); makesubst(vc,&subst); psn = length(s); for ( i = psn; i < pslen; i++ ) { pss[i] = 0; psh[i] = 0; psc[i] = 0; ps[i] = 0; } } - for ( r0 = 0; x; x = NEXT(x) ) { + for ( r0 = 0, ind0 = 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)); + if ( input_is_dp ) + BDY(r) = (pointer)ps[(int)BDY(x)]; + else + dtop(CO,vv,ps[(int)BDY(x)],(P *)&BDY(r)); + NEXTNODE(ind0,ind); + STOQ((int)BDY(x),q); BDY(ind) = q; } if ( r0 ) NEXT(r) = 0; + if ( ind0 ) NEXT(ind) = 0; MKLIST(*rp,r0); + MKLIST(gbindex,ind0); + + if ( GenTrace && OXCheck < 0 ) { + + x = AllTraceList; + for ( r = 0; x; x = NEXT(x) ) { + MKNODE(r0,BDY(x),r); r = r0; + } + MKLIST(trace,r); + r0 = mknode(3,*rp,gbindex,trace); + MKLIST(*rp,r0); + } print_stat(); if ( ShowMag ) - fprintf(asir_out,"\nMax_mag=%d\n",Max_mag); + fprintf(asir_out,"\nMax_mag=%d, Max_coef=%d\n",Max_mag, Max_coef); } -void dp_gr_mod_main(f,v,homo,m,ord,rp) -LIST f,v; -Num homo; -int m; -struct order_spec *ord; -LIST *rp; +void dp_interreduce(LIST f,LIST v,int field,struct order_spec *ord,LIST *rp) { - struct order_spec ord1; + int i,mindex,m,nochk; + struct order_spec *ord1; + Q q; VL fv,vv,vc; + NODE fd,fd0,fi,fi0,r,r0,t,subst,x,s,xx; + NODE ind,ind0; + LIST trace,gbindex; + int input_is_dp = 0; + + mindex = 0; nochk = 0; dp_fcoeffs = field; + get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&vc); + NVars = length((NODE)vv); PCoeffs = vc ? 1 : 0; VC = vc; + CNVars = NVars; + if ( ord->id && NVars != ord->nv ) + error("dp_interreduce : invalid order specification"); + initd(ord); + for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) { + NEXTNODE(fd0,fd); + if ( BDY(t) && OID(BDY(t)) == O_DP ) { + dp_sort((DP)BDY(t),(DP *)&BDY(fd)); input_is_dp = 1; + } else + ptod(CO,vv,(P)BDY(t),(DP *)&BDY(fd)); + } + if ( fd0 ) NEXT(fd) = 0; + fi0 = fd0; + setup_arrays(fd0,0,&s); + init_stat(); + x = s; + reduceall(x,&xx); x = xx; + for ( r0 = 0, ind0 = 0; x; x = NEXT(x) ) { + NEXTNODE(r0,r); dp_load((int)BDY(x),&ps[(int)BDY(x)]); + if ( input_is_dp ) + BDY(r) = (pointer)ps[(int)BDY(x)]; + else + dtop(CO,vv,ps[(int)BDY(x)],(P *)&BDY(r)); + NEXTNODE(ind0,ind); + STOQ((int)BDY(x),q); BDY(ind) = q; + } + if ( r0 ) NEXT(r) = 0; + if ( ind0 ) NEXT(ind) = 0; + MKLIST(*rp,r0); + MKLIST(gbindex,ind0); +} + +void dp_gr_mod_main(LIST f,LIST v,Num homo,int m,struct order_spec *ord,LIST *rp) +{ + struct order_spec *ord1; + VL fv,vv,vc; NODE fd,fd0,r,r0,t,x,s,xx; DP a,b,c; + extern struct oEGT eg_red_mod; + int input_is_dp = 0; get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&vc); NVars = length((NODE)vv); PCoeffs = vc ? 1 : 0; VC = vc; @@ -422,7 +473,11 @@ LIST *rp; initd(ord); if ( homo ) { for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) { - ptod(CO,vv,(P)BDY(t),&a); dp_homo(a,&b); + if ( BDY(t) && OID(BDY(t)) == O_DP ) { + dp_sort((DP)BDY(t),&a); input_is_dp = 1; + } else + ptod(CO,vv,(P)BDY(t),&a); + dp_homo(a,&b); if ( PCoeffs ) dp_mod(b,m,0,&c); else @@ -431,10 +486,13 @@ LIST *rp; NEXTNODE(fd0,fd); BDY(fd) = (pointer)c; } } - homogenize_order(ord,NVars,&ord1); initd(&ord1); + homogenize_order(ord,NVars,&ord1); initd(ord1); } else { for ( fd0 = 0, t = BDY(f); t; t = NEXT(t) ) { - ptod(CO,vv,(P)BDY(t),&b); + if ( BDY(t) && OID(BDY(t)) == O_DP ) { + dp_sort((DP)BDY(t),&b); input_is_dp = 1; + } else + ptod(CO,vv,(P)BDY(t),&b); if ( PCoeffs ) dp_mod(b,m,0,&c); else @@ -448,9 +506,11 @@ LIST *rp; setup_arrays(fd0,m,&s); init_stat(); if ( homo ) { - initd(&ord1); CNVars = NVars+1; + initd(ord1); CNVars = NVars+1; } +/* init_eg(&eg_red_mod); */ x = gb_mod(s,m); +/* print_eg("Red_mod",&eg_red_mod); */ if ( homo ) { reducebase_dehomo(x,&xx); x = xx; initd(ord); CNVars = NVars; @@ -458,26 +518,31 @@ LIST *rp; reduceall_mod(x,m,&xx); x = xx; if ( PCoeffs ) for ( r0 = 0; x; x = NEXT(x) ) { - NEXTNODE(r0,r); mdtop(CO,m,vv,ps[(int)BDY(x)],(P *)&BDY(r)); + NEXTNODE(r0,r); + if ( input_is_dp ) + mdtodp(ps[(int)BDY(x)],(DP *)&BDY(r)); + else + mdtop(CO,m,vv,ps[(int)BDY(x)],(P *)&BDY(r)); } else for ( r0 = 0; x; x = NEXT(x) ) { - NEXTNODE(r0,r); _dtop_mod(CO,vv,ps[(int)BDY(x)],(P *)&BDY(r)); + NEXTNODE(r0,r); + if ( input_is_dp ) + _mdtodp(ps[(int)BDY(x)],(DP *)&BDY(r)); + else + _dtop_mod(CO,vv,ps[(int)BDY(x)],(P *)&BDY(r)); } print_stat(); if ( r0 ) NEXT(r) = 0; MKLIST(*rp,r0); } -void dp_f4_main(f,v,ord,rp) -LIST f,v; -struct order_spec *ord; -LIST *rp; +void dp_f4_main(LIST f,LIST v,struct order_spec *ord,LIST *rp) { - int i,mindex,m,nochk; - struct order_spec ord1; + int homogen; VL fv,vv,vc; - NODE fd,fd0,fi,fi0,r,r0,t,subst,x,s,xx; + NODE fd,fd0,r,r0,t,x,s,xx; + int input_is_dp = 0; dp_fcoeffs = 0; get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&vc); @@ -486,32 +551,39 @@ 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) ) { - NEXTNODE(fd0,fd); ptod(CO,vv,(P)BDY(t),(DP *)&BDY(fd)); + for ( fd0 = 0, t = BDY(f), homogen = 1; t; t = NEXT(t) ) { + NEXTNODE(fd0,fd); + if ( BDY(t) && OID(BDY(t)) == O_DP ) { + dp_sort((DP)BDY(t),(DP *)&BDY(fd)); input_is_dp = 1; + } else + 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)); + if ( input_is_dp ) + BDY(r) = (pointer)ps[(int)BDY(x)]; + else + dtop(CO,vv,ps[(int)BDY(x)],(P *)&BDY(r)); } if ( r0 ) NEXT(r) = 0; MKLIST(*rp,r0); } -void dp_f4_mod_main(f,v,m,ord,rp) -LIST f,v; -int m; -struct order_spec *ord; -LIST *rp; +void dp_f4_mod_main(LIST f,LIST v,int m,struct order_spec *ord,LIST *rp) { - int i; - struct order_spec ord1; + int homogen; VL fv,vv,vc; - DP b,c; - NODE fd,fd0,fi,fi0,r,r0,t,subst,x,s,xx; + DP b,c,c1; + NODE fd,fd0,r,r0,t,x,s,xx; + int input_is_dp = 0; dp_fcoeffs = 0; get_vars((Obj)f,&fv); pltovl(v,&vv); vlminus(fv,vv,&vc); @@ -520,41 +592,56 @@ 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) ) { - ptod(CO,vv,(P)BDY(t),&b); + for ( fd0 = 0, t = BDY(f), homogen = 1; t; t = NEXT(t) ) { + if ( BDY(t) && OID(BDY(t)) == O_DP ) { + dp_sort((DP)BDY(t),&b); input_is_dp = 1; + } else + 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 ) { - NEXTNODE(fd0,fd); BDY(fd) = (pointer)c; + NEXTNODE(fd0,fd); BDY(fd) = (pointer)c1; } } if ( fd0 ) NEXT(fd) = 0; setup_arrays(fd0,m,&s); - x = gb_f4_mod(s,m); - reduceall_mod(x,m,&xx); x = xx; + init_stat(); + if ( do_weyl ) + x = gb_f4_mod_old(s,m); + else + x = gb_f4_mod(s,m); + 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)); + NEXTNODE(r0,r); + if ( input_is_dp ) + _mdtodp(ps[(int)BDY(x)],(DP *)&BDY(r)); + else + _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) -NODE f; +NODE gb_f4(NODE f) { - int i,j,k,nh,row,col,nv; + int i,k,nh,row,col,nv; NODE r,g,gall; NODE s,s0; DP_pairs d,dm,dr,t; - DP h,nf,nf1,f1,f2,f21,f21r,sp,sp1,sd,sdm,tdp; + DP nf,nf1,f2,sp,sd,tdp; MP mp,mp0; - NODE blist,bt,nt; + NODE blist,bt; DL *ht,*at; MAT mat,nm; - int *colstat; int *rind,*cind; int rank,nred; Q dn; - struct oEGT tmp0,tmp1,tmp2,eg_split_symb,eg_split_elim; + struct oEGT tmp0,tmp1,eg_split_symb; extern struct oEGT eg_mod,eg_elim,eg_chrem,eg_gschk,eg_intrat,eg_symb; init_eg(&eg_mod); init_eg(&eg_elim); init_eg(&eg_chrem); @@ -572,7 +659,7 @@ NODE f; while ( d ) { get_eg(&tmp0); minsugar(d,&dm,&dr); d = dr; - if ( Print ) + if ( DP_Print ) fprintf(asir_out,"sugar=%d\n",dm->sugar); blist = 0; s0 = 0; /* asph : sum of all head terms of spoly */ @@ -613,13 +700,17 @@ NODE f; dp_to_vect(BDY(r),at,(Q *)mat->body[i]); get_eg(&tmp1); add_eg(&eg_symb,&tmp0,&tmp1); init_eg(&eg_split_symb); add_eg(&eg_split_symb,&tmp0,&tmp1); - if ( Print ) { + if ( DP_Print ) { print_eg("Symb",&eg_split_symb); fprintf(asir_out,"mat : %d x %d",row,col); fflush(asir_out); } +#if 0 + rank = generic_gauss_elim_hensel(mat,&nm,&dn,&rind,&cind); +#else rank = generic_gauss_elim(mat,&nm,&dn,&rind,&cind); - if ( Print ) +#endif + if ( DP_Print ) fprintf(asir_out,"done rank = %d\n",rank,row,col); for ( i = 0; i < rank; i++ ) { for ( k = 0; k < nred; k++ ) @@ -644,7 +735,7 @@ NODE f; } } } - if ( Print ) { + if ( DP_Print ) { print_eg("Symb",&eg_symb); print_eg("Mod",&eg_mod); print_eg("GaussElim",&eg_elim); print_eg("ChRem",&eg_chrem); print_eg("IntToRat",&eg_intrat); @@ -653,38 +744,282 @@ NODE f; return g; } -NODE gb_f4_mod(f,m) -NODE f; -int m; +/* initial bases are monic */ + +unsigned int **psca; +GeoBucket create_bucket(); +DL remove_head_bucket(GeoBucket,int); + +NODE gb_f4_mod(NODE f,int m) { int i,j,k,nh,row,col,nv; NODE r,g,gall; NODE s,s0; DP_pairs d,dm,dr,t; - DP h,nf,f1,f2,f21,f21r,sp,sp1,sd,sdm,tdp; + DP nf,sp,sd,tdp; MP mp,mp0; - NODE blist,bt,nt; - DL *ht,*at; - int **mat; - int *colstat; - int rank,nred,nonzero; - struct oEGT tmp0,tmp1,tmp2,eg_split_symb,eg_split_elim; - extern struct oEGT eg_symb,eg_elim; + NODE blist,bt,bt1,dt; + DL *at,*st; + int **spmat; + CDP *redmat; + int *colstat,*w,*w1; + int rank,nred,nsp,nsp0,nonzero,spcol; + int *indred,*isred; + CDP ri; + int pscalen; + GeoBucket bucket; + DL head; + struct oEGT tmp0,tmp1,eg_split_symb,eg_split_conv,eg_split_elim1,eg_split_elim2; + extern struct oEGT eg_symb,eg_conv,eg_elim1,eg_elim2; - init_eg(&eg_symb); init_eg(&eg_elim); + /* initialize coeffcient array list of ps[] */ + pscalen = pslen; + psca = (unsigned int **)MALLOC(pscalen*sizeof(unsigned int *)); + + init_eg(&eg_symb); init_eg(&eg_conv); 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; while ( d ) { get_eg(&tmp0); minsugar(d,&dm,&dr); d = dr; - if ( Print ) + if ( DP_Print ) fprintf(asir_out,"sugar=%d\n",dm->sugar); + blist = 0; + bucket = create_bucket(); + /* asph : sum of all head terms of spoly */ + for ( t = dm; t; t = NEXT(t) ) { + _dp_sp_mod(ps[t->dp1],ps[t->dp2],m,&sp); +/* fprintf(stderr,"splen=%d-",dp_nt(sp)); */ + if ( sp ) { + MKNODE(bt,sp,blist); blist = bt; + add_bucket(bucket,dp_dllist(sp),nv); +/* fprintf(stderr,"%d-",length(s0)); */ + } + } +#if 0 + if ( DP_Print ) + fprintf(asir_out,"initial spmat : %d x %d ",length(blist),length(s0)); +#endif + /* s0 : all the terms appeared in symbolic reduction */ + nred = 0; + s0 = 0; + while ( 1 ) { + head = remove_head_bucket(bucket,nv); + if ( !head ) break; + else { + NEXTNODE(s0,s); + BDY(s) = (pointer)head; + } + for ( r = gall; r; r = NEXT(r) ) + if ( _dl_redble(BDY(ps[(int)BDY(r)])->dl,head,nv) ) + break; + if ( r ) { + dltod(head,nv,&tdp); + dp_subd(tdp,ps[(int)BDY(r)],&sd); + dt = mul_dllist(BDY(sd)->dl,ps[(int)BDY(r)]); + add_bucket(bucket,NEXT(dt),nv); +/* fprintf(stderr,"[%d]",length(dt)); */ + /* list of [t,f] */ + bt1 = mknode(2,BDY(sd)->dl,BDY(r)); + MKNODE(bt,bt1,blist); blist = bt; +/* fprintf(stderr,"%d-",length(s0)); */ + nred++; + } + } + if ( s0 ) NEXT(s) = 0; +/* fprintf(stderr,"\n"); */ + 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); + + get_eg(&tmp0); + /* 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++ ); + + /* col = number of all terms */ + for ( s = s0, col = 0; s; s = NEXT(s), col++ ); + + /* head terms of all terms */ + at = (DL *)MALLOC(col*sizeof(DL)); + for ( s = s0, i = 0; i < col; s = NEXT(s), i++ ) + at[i] = (DL)BDY(s); + + /* store coefficients separately in spmat and redmat */ + nsp = row-nred; + + /* reducer matrix */ + /* 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++ ) + _tf_to_vect_compress(BDY(r),at,&redmat[i]); + + /* register the position of the head term */ + indred = (int *)MALLOC_ATOMIC(nred*sizeof(int)); + bzero(indred,nred*sizeof(int)); + isred = (int *)MALLOC_ATOMIC(col*sizeof(int)); + bzero(isred,col*sizeof(int)); + for ( i = 0; i < nred; i++ ) { + ri = redmat[i]; + indred[i] = ri->body[0]; + isred[indred[i]] = 1; + } + + spcol = col-nred; + /* head terms not in ht */ + st = (DL *)MALLOC(spcol*sizeof(DL)); + for ( j = 0, k = 0; j < col; j++ ) + if ( !isred[j] ) + st[k++] = at[j]; + get_eg(&tmp1); add_eg(&eg_conv,&tmp0,&tmp1); + init_eg(&eg_split_conv); add_eg(&eg_split_conv,&tmp0,&tmp1); + + get_eg(&tmp1); + /* spoly matrix; stored in reduced form; terms in ht[] are omitted */ + 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_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++ ) { + GCFREE(BDY(redmat[k])); + GCFREE(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] ) + nonzero++; + if ( DP_Print && nsp ) + fprintf(asir_out,"spmat : %d x %d (nonzero=%f%%)...", + nsp,spcol,((double)nonzero*100)/(nsp*spcol)); + if ( nsp ) + rank = generic_gauss_elim_mod(spmat,nsp,spcol,m,colstat); + else + rank = 0; + get_eg(&tmp1); add_eg(&eg_elim2,&tmp0,&tmp1); + init_eg(&eg_split_elim2); add_eg(&eg_split_elim2,&tmp0,&tmp1); + + if ( DP_Print ) { + fprintf(asir_out,"done rank = %d\n",rank,row,col); + print_eg("Symb",&eg_split_symb); + print_eg("Conv",&eg_split_conv); + print_eg("Elim1",&eg_split_elim1); + 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; + NEXTMP(mp0,mp); mp->dl = st[j]; mp->c = STOI(1); + for ( k = j+1; k < spcol; k++ ) + if ( !colstat[k] && spmat[i][k] ) { + NEXTMP(mp0,mp); mp->dl = st[k]; + mp->c = STOI(spmat[i][k]); + } + 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++ ) { + GCFREE(spmat[j]); + } + } + if ( DP_Print ) { + print_eg("Symb",&eg_symb); + print_eg("Conv",&eg_conv); + print_eg("Elim1",&eg_elim1); + print_eg("Elim2",&eg_elim2); + fflush(asir_out); + } + return g; +} + +NODE gb_f4_mod_old(NODE f,int m) +{ + int i,j,k,nh,row,col,nv; + NODE r,g,gall; + NODE s,s0; + DP_pairs d,dm,dr,t; + DP nf,f2,sp,sd,sdm,tdp; + MP mp,mp0; + NODE blist,bt; + DL *ht,*at,*st; + int **spmat,**redmat; + int *colstat,*w; + int rank,nred,nsp,nonzero,spcol; + int *indred,*isred,*ri; + struct oEGT tmp0,tmp1,eg_split_symb,eg_split_elim1,eg_split_elim2; + extern struct oEGT eg_symb,eg_elim1,eg_elim2; + + 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); + } + if ( gall ) + nv = ((DP)ps[(int)BDY(gall)])->nv; + while ( d ) { + get_eg(&tmp0); + minsugar(d,&dm,&dr); d = dr; + if ( DP_Print ) + fprintf(asir_out,"sugar=%d\n",dm->sugar); blist = 0; s0 = 0; /* asph : sum of all head terms of spoly */ for ( t = dm; t; t = NEXT(t) ) { @@ -703,79 +1038,126 @@ int m; dltod(BDY(s),nv,&tdp); dp_subd(tdp,ps[(int)BDY(r)],&sd); _dp_mod(sd,m,0,&sdm); - _mulmd(CO,m,sdm,ps[(int)BDY(r)],&f2); + mulmd_dup(m,sdm,ps[(int)BDY(r)],&f2); MKNODE(bt,f2,blist); blist = bt; s = symb_merge(s,dp_dllist(f2),nv); nred++; } } + + get_eg(&tmp1); add_eg(&eg_symb,&tmp0,&tmp1); + init_eg(&eg_split_symb); add_eg(&eg_split_symb,&tmp0,&tmp1); /* 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++ ); + + /* head terms of all terms */ at = (DL *)MALLOC(col*sizeof(DL)); for ( s = s0, i = 0; i < col; s = NEXT(s), i++ ) at[i] = (DL)BDY(s); - mat = almat(row,col); - for ( i = 0, r = blist; i < row; r = NEXT(r), i++ ) - _dpmod_to_vect(BDY(r),at,mat[i]); - colstat = (int *)MALLOC_ATOMIC(col*sizeof(int)); - for ( i = 0, nonzero=0; i < row; i++ ) - for ( j = 0; j < col; j++ ) - if ( mat[i][j] ) + + /* store coefficients separately in spmat and redmat */ + nsp = row-nred; + + /* reducer matrix */ + redmat = (int **)almat(nred,col); + 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); */ + /* register the position of the head term */ + indred = (int *)MALLOC(nred*sizeof(int)); + bzero(indred,nred*sizeof(int)); + isred = (int *)MALLOC(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; + } + + spcol = col-nred; + /* head terms not in ht */ + st = (DL *)MALLOC(spcol*sizeof(DL)); + for ( j = 0, k = 0; j < col; j++ ) + if ( !isred[j] ) + st[k++] = at[j]; + + /* 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++ ) { + 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]; + } + + 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)); + for ( i = 0, nonzero=0; i < nsp; i++ ) + for ( j = 0; j < spcol; j++ ) + if ( spmat[i][j] ) nonzero++; - if ( Print ) - fprintf(asir_out,"mat : %d x %d (nonzero=%f%%)...", - row,col,((double)nonzero*100)/(row*col)); - get_eg(&tmp1); add_eg(&eg_symb,&tmp0,&tmp1); - init_eg(&eg_split_symb); add_eg(&eg_split_symb,&tmp0,&tmp1); - rank = generic_gauss_elim_mod(mat,row,col,m,colstat); - get_eg(&tmp2); add_eg(&eg_elim,&tmp1,&tmp2); - init_eg(&eg_split_elim); add_eg(&eg_split_elim,&tmp1,&tmp2); - if ( Print ) { + if ( DP_Print && nsp ) + fprintf(asir_out,"spmat : %d x %d (nonzero=%f%%)...", + nsp,spcol,((double)nonzero*100)/(nsp*spcol)); + if ( nsp ) + rank = generic_gauss_elim_mod(spmat,nsp,spcol,m,colstat); + else + rank = 0; + get_eg(&tmp1); add_eg(&eg_elim2,&tmp0,&tmp1); + init_eg(&eg_split_elim2); add_eg(&eg_split_elim2,&tmp0,&tmp1); + + if ( DP_Print ) { fprintf(asir_out,"done rank = %d\n",rank,row,col); print_eg("Symb",&eg_split_symb); - print_eg("Elim",&eg_split_elim); + print_eg("Elim1",&eg_split_elim1); + print_eg("Elim2",&eg_split_elim2); fprintf(asir_out,"\n"); } - for ( j = 0, i = 0; j < col; j++ ) + for ( j = 0, i = 0; j < spcol; j++ ) if ( colstat[j] ) { - for ( k = 0; k < nred; k++ ) - if ( !cmpdl(nv,at[j],ht[k]) ) - break; - if ( k == nred ) { - /* this is a new base */ - mp0 = 0; - NEXTMP(mp0,mp); mp->dl = at[j]; mp->c = STOI(1); - for ( k = j+1; k < col; k++ ) - if ( !colstat[k] && mat[i][k] ) { - NEXTMP(mp0,mp); mp->dl = at[k]; - mp->c = STOI(mat[i][k]); - } - NEXT(mp) = 0; - MKDP(nv,mp0,nf); nf->sugar = dm->sugar; - nh = newps_mod(nf,m); - d = updpairs(d,g,nh); - g = updbase(g,nh); - gall = append_one(gall,nh); + mp0 = 0; + NEXTMP(mp0,mp); mp->dl = st[j]; mp->c = STOI(1); + for ( k = j+1; k < spcol; k++ ) + if ( !colstat[k] && spmat[i][k] ) { + NEXTMP(mp0,mp); mp->dl = st[k]; + mp->c = STOI(spmat[i][k]); } + NEXT(mp) = 0; + MKDP(nv,mp0,nf); nf->sugar = dm->sugar; + nh = newps_mod(nf,m); + d = updpairs(d,g,nh); + g = updbase(g,nh); + gall = append_one(gall,nh); i++; } } - if ( Print ) { + if ( DP_Print ) { print_eg("Symb",&eg_symb); - print_eg("Elim",&eg_elim); + print_eg("Elim1",&eg_elim1); + print_eg("Elim2",&eg_elim2); fflush(asir_out); } return g; } -int DPPlength(n) -DP_pairs n; +int DPPlength(DP_pairs n) { int i; @@ -783,8 +1165,7 @@ DP_pairs n; return i; } -void printdl(dl) -DL dl; +void printdl(DL dl) { int i; @@ -794,9 +1175,7 @@ DL dl; fprintf(asir_out,"%d>>",dl->d[i]); } -void pltovl(l,vl) -LIST l; -VL *vl; +void pltovl(LIST l,VL *vl) { NODE n; VL r,r0; @@ -809,11 +1188,23 @@ VL *vl; *vl = r0; } -void makesubst(v,s) -VL v; -NODE *s; +void vltopl(VL vl,LIST *l) { + VL n; NODE r,r0; + P p; + + n = vl; + for ( r0 = 0; n; n = NEXT(n) ) { + NEXTNODE(r0,r); MKV(n->v,p); BDY(r) = (pointer)p; + } + if ( r0 ) NEXT(r) = 0; + MKLIST(*l,r0); +} + +void makesubst(VL v,NODE *s) +{ + NODE r,r0; Q q; unsigned int n; @@ -830,8 +1221,7 @@ NODE *s; *s = r0; } -void printsubst(s) -NODE s; +void printsubst(NODE s) { fputc('[',asir_out); while ( s ) { @@ -845,8 +1235,7 @@ NODE s; fprintf(asir_out,"]\n"); return; } -void vlminus(v,w,d) -VL v,w,*d; +void vlminus(VL v,VL w,VL *d) { int i,j,n,m; V *va,*wa; @@ -876,10 +1265,7 @@ VL v,w,*d; *d = r0; } -int validhc(a,m,s) -P a; -int m; -NODE s; +int validhc(P a,int m,NODE s) { P c,c1; V v; @@ -894,14 +1280,16 @@ NODE s; return c1 ? 1 : 0; } -void setup_arrays(f,m,r) -NODE f,*r; -int m; +void setup_arrays(NODE f,int m,NODE *r) { int i; - NODE s,s0; + NODE s,s0,f0; - f = NODE_sortb(f,1); +#if 1 + f0 = f = NODE_sortb(f,1); +#else + f0 = f; +#endif psn = length(f); pslen = 2*psn; ps = (DP *)MALLOC(pslen*sizeof(DP)); psh = (DL *)MALLOC(pslen*sizeof(DL)); @@ -910,11 +1298,34 @@ int m; for ( i = 0; i < psn; i++, f = NEXT(f) ) { prim_part((DP)BDY(f),m,&ps[i]); if ( Demand ) - dp_save(i,ps[i]); + dp_save(i,(Obj)ps[i],0); psh[i] = BDY(ps[i])->dl; pss[i] = ps[i]->sugar; psc[i] = BDY(ps[i])->c; } + if ( GenTrace ) { + Q q; + STRING fname; + LIST input; + NODE arg,t,t1; + Obj obj; + + t = 0; + for ( i = psn-1; i >= 0; i-- ) { + MKNODE(t1,ps[i],t); + t = t1; + } + MKLIST(input,t); + + if ( OXCheck >= 0 ) { + STOQ(OXCheck,q); + MKSTR(fname,"register_input"); + arg = mknode(3,q,fname,input); + Pox_cmo_rpc(arg,&obj); + } else if ( OXCheck < 0 ) { + MKNODE(AllTraceList,input,0); + } + } for ( s0 = 0, i = 0; i < psn; i++ ) { NEXTNODE(s0,s); BDY(s) = (pointer)i; } @@ -922,29 +1333,31 @@ int m; *r = s0; } -void prim_part(f,m,r) -DP f,*r; -int m; +void prim_part(DP f,int m,DP *r) { + P d,t; + if ( m > 0 ) { if ( PCoeffs ) dp_prim_mod(f,m,r); else - *r = f; + _dp_monic(f,m,r); } else { - if ( dp_fcoeffs ) - *r = f; - else if ( PCoeffs ) + if ( dp_fcoeffs || PCoeffs ) dp_prim(f,r); else dp_ptozp(f,r); + if ( GenTrace && TraceList ) { + /* adust the denominator according to the final + content reduction */ + divsp(CO,BDY(f)->c,BDY(*r)->c,&d); + mulp(CO,(P)ARG3(BDY((LIST)BDY(TraceList))),d,&t); + ARG3(BDY((LIST)BDY(TraceList))) = t; + } } } -NODE /* of DP */ NODE_sortb_insert( newdp, nd, dec ) -DP newdp; -NODE /* of DP */ nd; -int dec; +NODE /* of DP */ NODE_sortb_insert( DP newdp, NODE /* of DP */ nd, int dec ) { register NODE last, p; register DL newdl = BDY(newdp)->dl; @@ -963,9 +1376,7 @@ int dec; return nd; } -NODE NODE_sortb( node, dec ) -NODE node; -int dec; +NODE NODE_sortb( NODE node, int dec ) { register NODE nd, ans; @@ -974,10 +1385,7 @@ int dec; return ans; } -NODE /* of index */ NODE_sortbi_insert( newdpi, nd, dec ) -int newdpi; -NODE /* of index */ nd; -int dec; +NODE /* of index */ NODE_sortbi_insert( int newdpi, NODE /* of index */ nd, int dec ) { register NODE last, p; register DL newdl = psh[newdpi]; @@ -996,9 +1404,7 @@ int dec; return nd; } -NODE NODE_sortbi( node, dec ) -NODE node; -int dec; +NODE NODE_sortbi( NODE node, int dec ) { register NODE nd, ans; @@ -1007,9 +1413,7 @@ int dec; return ans; } -void reduceall(in,h) -NODE in; -NODE *h; +void reduceall(NODE in,NODE *h) { NODE r,t,top; int n,i,j; @@ -1020,7 +1424,7 @@ NODE *h; if ( NoRA ) { *h = in; return; } - if ( Print || PrintShort ) { + if ( DP_Print || DP_PrintShort ) { fprintf(asir_out,"reduceall\n"); fflush(asir_out); } r = NODE_sortbi(in,0); @@ -1028,53 +1432,59 @@ NODE *h; w = (int *)ALLOCA(n*sizeof(int)); for ( i = 0, t = r; i < n; i++, t = NEXT(t) ) w[i] = (int)BDY(t); + /* w[i] < 0 : reduced to 0 */ for ( i = 0; i < n; i++ ) { for ( top = 0, j = n-1; j >= 0; j-- ) - if ( j != i ) { + if ( w[j] >= 0 && j != i ) { MKNODE(t,(pointer)w[j],top); top = t; } get_eg(&tmp0); dp_load(w[i],&ps[w[i]]); - _dp_nf(top,ps[w[i]],ps,1,&g); - if ( !PtozpRA || !Multiple ) - _dp_nf(top,ps[w[i]],ps,1,&g); - else -#if MPI - _dp_nf_ptozp_mpi(top,ps[w[i]],ps,1,Multiple,&g); -#else - _dp_nf_ptozp(top,ps[w[i]],ps,1,Multiple,&g); -#endif + if ( GenTrace ) { + Q q; + NODE node; + LIST hist; + + STOQ(w[i],q); + node = mknode(4,ONE,q,ONE,ONE); + MKLIST(hist,node); + MKNODE(TraceList,hist,0); + } + _dp_nf(top,ps[w[i]],ps,1,&g); prim_part(g,0,&g1); get_eg(&tmp1); add_eg(&eg_ra,&tmp0,&tmp1); - if ( Print || PrintShort ) { + if ( DP_Print || DP_PrintShort ) { fprintf(asir_out,"."); fflush(asir_out); } - w[i] = newps(g1,0,(NODE)0); + if ( g1 ) { + w[i] = newps(g1,0,(NODE)0); + } else { + w[i] = -1; + } } for ( top = 0, j = n-1; j >= 0; j-- ) { - MKNODE(t,(pointer)w[j],top); top = t; + if ( w[j] >= 0 ) { + MKNODE(t,(pointer)w[j],top); top = t; + } } *h = top; - if ( Print || PrintShort ) + if ( DP_Print || DP_PrintShort ) fprintf(asir_out,"\n"); } -void reduceall_mod(in,m,h) -NODE in; -int m; -NODE *h; +void reduceall_mod(NODE in,int m,NODE *h) { NODE r,t,top; int n,i,j; int *w; - DP g; + DP g,p; struct oEGT tmp0,tmp1; if ( NoRA ) { *h = in; return; } - if ( Print || PrintShort ) { + if ( DP_Print || DP_PrintShort ) { fprintf(asir_out,"reduceall\n"); fflush(asir_out); } r = NODE_sortbi(in,0); @@ -1082,34 +1492,40 @@ NODE *h; w = (int *)ALLOCA(n*sizeof(int)); for ( i = 0, t = r; i < n; i++, t = NEXT(t) ) w[i] = (int)BDY(t); + /* w[i] < 0 : reduced to 0 */ for ( i = 0; i < n; i++ ) { for ( top = 0, j = n-1; j >= 0; j-- ) - if ( j != i ) { + if ( w[j] >= 0 && j != i ) { MKNODE(t,(pointer)w[j],top); top = t; } get_eg(&tmp0); if ( PCoeffs ) dp_nf_mod(top,ps[w[i]],ps,m,1,&g); - else - _dp_nf_mod(top,ps[w[i]],ps,m,1,&g); + else { + dpto_dp(ps[w[i]],&p); + _dp_nf_mod_destructive(top,p,ps,m,1,&g); + } get_eg(&tmp1); add_eg(&eg_ra,&tmp0,&tmp1); - if ( Print || PrintShort ) { + if ( DP_Print || DP_PrintShort ) { fprintf(asir_out,"."); fflush(asir_out); } - w[i] = newps_mod(g,m); + if ( g ) { + w[i] = newps_mod(g,m); + } else { + w[i] = -1; + } } for ( top = 0, j = n-1; j >= 0; j-- ) { - MKNODE(t,(pointer)w[j],top); top = t; + if ( w[j] >= 0 ) { + MKNODE(t,(pointer)w[j],top); top = t; + } } *h = top; - if ( Print || PrintShort ) + if ( DP_Print || DP_PrintShort ) fprintf(asir_out,"\n"); } -int newps(a,m,subst) -DP a; -int m; -NODE subst; +int newps(DP a,int m,NODE subst) { if ( m && !validhc(!a?0:BDY(a)->c,m,subst) ) return -1; @@ -1127,7 +1543,7 @@ NODE subst; ps[psn] = a; else ps[psn] = 0; - dp_save(psn,a); + dp_save(psn,(Obj)a,0); } else ps[psn] = a; psh[psn] = BDY(a)->dl; @@ -1135,13 +1551,40 @@ NODE subst; psc[psn] = BDY(a)->c; if ( m ) _dp_mod(a,m,subst,&psm[psn]); + if ( GenTrace ) { + NODE tn,tr,tr1; + LIST trace,trace1; + NODE arg; + Q q1,q2; + STRING fname; + Obj obj; + + /* reverse the TraceList */ + tn = TraceList; + for ( tr = 0; tn; tn = NEXT(tn) ) { + MKNODE(tr1,BDY(tn),tr); tr = tr1; + } + MKLIST(trace,tr); + if ( OXCheck >= 0 ) { + STOQ(OXCheck,q1); + MKSTR(fname,"check_trace"); + STOQ(psn,q2); + arg = mknode(5,q1,fname,a,q2,trace); + Pox_cmo_rpc(arg,&obj); + } else if ( OXCheck < 0 ) { + STOQ(psn,q1); + tn = mknode(2,q1,trace); + MKLIST(trace1,tn); + MKNODE(tr,trace1,AllTraceList); + AllTraceList = tr; + } else + dp_save(psn,(Obj)trace,"t"); + TraceList = 0; + } return psn++; } -int newps_nosave(a,m,subst) -DP a; -int m; -NODE subst; +int newps_nosave(DP a,int m,NODE subst) { if ( m && !validhc(!a?0:BDY(a)->c,m,subst) ) return -1; @@ -1163,9 +1606,7 @@ NODE subst; return psn++; } -int newps_mod(a,m) -DP a; -int m; +int newps_mod(DP a,int m) { if ( psn == pslen ) { pslen *= 2; @@ -1180,8 +1621,7 @@ int m; return psn++; } -void reducebase_dehomo(f,g) -NODE f,*g; +void reducebase_dehomo(NODE f,NODE *g) { int n,i,j,k; int *r; @@ -1210,15 +1650,24 @@ NODE f,*g; } for ( top = 0, i = n-1; i >= 0; i-- ) if ( r[i] >= 0 ) { - dp_load(r[i],&ps[r[i]]); dp_dehomo(ps[r[i]],&u); j = newps(u,0,0); + dp_load(r[i],&ps[r[i]]); dp_dehomo(ps[r[i]],&u); + if ( GenTrace ) { + Q q; + LIST hist; + NODE node; + + STOQ(r[i],q); + node = mknode(4,NULLP,q,NULLP,NULLP); + MKLIST(hist,node); + MKNODE(TraceList,hist,0); + } + j = newps(u,0,0); MKNODE(t,j,top); top = t; } *g = top; } -NODE append_one(f,n) -NODE f; -int n; +NODE append_one(NODE f,int n) { NODE t; @@ -1231,8 +1680,7 @@ int n; } } -DP_pairs minp( d, prest ) -DP_pairs d, *prest; +DP_pairs minp( DP_pairs d, DP_pairs *prest ) { register DP_pairs m, ml, p, l; register DL lcm; @@ -1257,9 +1705,7 @@ DP_pairs d, *prest; return m; } -void minsugar(d,dm,dr) -DP_pairs d; -DP_pairs *dm,*dr; +void minsugar(DP_pairs d,DP_pairs *dm,DP_pairs *dr) { int msugar; DP_pairs t,dm0,dr0,dmt,drt; @@ -1284,25 +1730,26 @@ DP_pairs *dm,*dr; *dm = dm0; *dr = dr0; } -NODE gb(f,m,subst) -NODE f; -int m; -NODE subst; +NODE gb(NODE f,int m,NODE subst) { - int i,nh,prev,mag; + int i,nh,prev,mag,mag0,magt; NODE r,g,gall; - DP_pairs d,d1; + DP_pairs d; DP_pairs l; DP h,nf,nfm,dp1,dp2; MP mp; - struct oEGT tnf0,tnf1,tnfm0,tnfm1,tpz0,tpz1,tsp0,tsp1,tspm0,tspm1,tnp0,tnp1,tmp0,tmp1; + struct oEGT tnf0,tnf1,tnfm0,tnfm1,tpz0,tpz1,tnp0,tnp1; int skip_nf_flag; double t_0; + Q q; + int new_sugar; static prev_sugar = -1; Max_mag = 0; + Max_coef = 0; prev = 1; doing_f4 = 0; + init_denomlist(); if ( m ) { psm = (DP *)MALLOC(pslen*sizeof(DP)); for ( i = 0; i < psn; i++ ) @@ -1318,25 +1765,20 @@ NODE subst; gall = append_one(gall,i); } while ( d ) { - get_eg(&tmp0); - l = minp(d,&d1); d = d1; - get_eg(&tmp1); add_eg(&eg_mp,&tmp0,&tmp1); + l = minp(d,&d); if ( m ) { - get_eg(&tspm0); - _dp_sp_mod(psm[l->dp1],psm[l->dp2],m,&h); - get_eg(&tspm1); add_eg(&eg_spm,&tspm0,&tspm1); + _dp_sp_mod_dup(psm[l->dp1],psm[l->dp2],m,&h); + if ( h ) + new_sugar = h->sugar; get_eg(&tnfm0); - _dp_nf_mod(gall,h,psm,m,0,&nfm); + _dp_nf_mod_destructive(gall,h,psm,m,0,&nfm); get_eg(&tnfm1); add_eg(&eg_nfm,&tnfm0,&tnfm1); } else nfm = (DP)1; if ( nfm ) { - get_eg(&tsp0); if ( Demand ) { if ( dp_load_t(psn,&nf) ) { skip_nf_flag = 1; - get_eg(&tsp1); add_eg(&eg_nf,&tsp0,&tsp1); - tnf0=tsp0; tnf1=tsp1; goto skip_nf; } else { skip_nf_flag = 0; @@ -1345,18 +1787,19 @@ NODE subst; } } else dp_sp(ps[l->dp1],ps[l->dp2],&h); - get_eg(&tsp1); add_eg(&eg_sp,&tsp0,&tsp1); + if ( GenTrace ) { + STOQ(l->dp1,q); ARG1(BDY((LIST)BDY(NEXT(TraceList)))) = q; + STOQ(l->dp2,q); ARG1(BDY((LIST)BDY(TraceList))) = q; + } + if ( h ) + new_sugar = h->sugar; get_eg(&tnf0); t_0 = get_rtime(); - if ( !Multiple ) + if ( PCoeffs || dp_fcoeffs ) _dp_nf(gall,h,ps,!Top,&nf); else -#if MPI - _dp_nf_ptozp_mpi(gall,h,ps,!Top,Multiple,&nf); -#else - _dp_nf_ptozp(gall,h,ps,!Top,Multiple,&nf); -#endif - if ( Print ) + _dp_nf_z(gall,h,ps,!Top,DP_Multiple,&nf); + if ( DP_Print && nf ) fprintf(asir_out,"(%.3g)",get_rtime()-t_0); get_eg(&tnf1); add_eg(&eg_nf,&tnf0,&tnf1); } else @@ -1367,6 +1810,7 @@ skip_nf: get_eg(&tpz0); prim_part(nf,0,&h); get_eg(&tpz1); add_eg(&eg_pz,&tpz0,&tpz1); + add_denomlist(BDY(h)->c); get_eg(&tnp0); if ( Demand && skip_nf_flag ) nh = newps_nosave(h,m,subst); @@ -1379,11 +1823,15 @@ skip_nf: g = updbase(g,nh); gall = append_one(gall,nh); if ( !dp_fcoeffs && ShowMag ) { - for ( mag = 0, mp = BDY(h); mp; mp = NEXT(mp) ) - mag += p_mag((P)mp->c); + for ( mag = 0, mag0 = 0, mp = BDY(h); mp; mp = NEXT(mp) ) { + magt = p_mag((P)mp->c); + mag0 = MAX(mag0,magt); + mag += magt; + } + Max_coef = MAX(Max_coef,mag0); Max_mag = MAX(Max_mag,mag); } - if ( Print ) { + if ( DP_Print ) { if ( !prev ) fprintf(asir_out,"\n"); print_split_e(&tnf0,&tnf1); print_split_e(&tpz0,&tpz1); @@ -1392,9 +1840,9 @@ skip_nf: l->dp1,l->dp2,length(g),length(gall),DPPlength(d), pss[nh]); if ( ShowMag ) - fprintf(asir_out,",mag=%d",mag); + fprintf(asir_out,",mag=(%d,%d)",mag,mag0); fprintf(asir_out,"\n"); fflush(asir_out); - } else if ( PrintShort ) { + } else if ( DP_PrintShort ) { fprintf(asir_out,"+"); fflush(asir_out); } prev = 1; @@ -1402,123 +1850,28 @@ skip_nf: if ( m ) add_eg(&eg_znfm,&tnfm0,&tnfm1); ZR++; - if ( Print || PrintShort ) { - if ( h && (h->sugar != prev_sugar) ) { - fprintf(asir_out,"[%d]",h->sugar); - prev_sugar = h->sugar; + if ( DP_Print || DP_PrintShort ) { + if ( new_sugar != prev_sugar ) { + fprintf(asir_out,"[%d]",new_sugar); + prev_sugar = new_sugar; } fprintf(asir_out,"."); fflush(asir_out); prev = 0; } } } - if ( Print || PrintShort ) + if ( DP_Print || DP_PrintShort ) fprintf(asir_out,"gb done\n"); return g; } -NODE gbd(f,m,subst,dlist) -NODE f; -int m; -NODE subst; -NODE dlist; +NODE gb_mod(NODE f,int m) { int i,nh,prev; NODE r,g,gall; - struct dp_pairs ol; + DP_pairs d; DP_pairs l; - NODE pair; - DP h,nf,nfm,dp1,dp2; - struct oEGT tnf0,tnf1,tnfm0,tnfm1,tpz0,tpz1,tsp0,tsp1,tspm0,tspm1,tnp0,tnp1; - - prev = 1; - l = &ol; - if ( m ) { - psm = (DP *)MALLOC(pslen*sizeof(DP)); - for ( i = 0; i < psn; i++ ) - if ( psh[i] && !validhc(psc[i],m,subst) ) - return 0; - else - _dp_mod(ps[i],m,subst,&psm[i]); - } - for ( gall = g = 0, r = f; r; r = NEXT(r) ) { - i = (int)BDY(r); - g = updbase(g,i); - gall = append_one(gall,i); - } - while ( dlist ) { - pair = BDY((LIST)BDY(dlist)); dlist = NEXT(dlist); - l->dp1 = QTOS((Q)BDY(pair)); pair = NEXT(pair); - l->dp2 = QTOS((Q)BDY(pair)); - if ( m ) { - get_eg(&tspm0); - _dp_sp_mod(psm[l->dp1],psm[l->dp2],m,&h); - get_eg(&tspm1); add_eg(&eg_spm,&tspm0,&tspm1); - get_eg(&tnfm0); - _dp_nf_mod(gall,h,psm,m,0,&nfm); - get_eg(&tnfm1); add_eg(&eg_nfm,&tnfm0,&tnfm1); - } else - nfm = (DP)1; - if ( nfm ) { - get_eg(&tsp0); - if ( Demand ) { - dp_load(l->dp1,&dp1); dp_load(l->dp2,&dp2); - dp_sp(dp1,dp2,&h); - } else - dp_sp(ps[l->dp1],ps[l->dp2],&h); - get_eg(&tsp1); add_eg(&eg_sp,&tsp0,&tsp1); - get_eg(&tnfm0); - get_eg(&tnf0); - if ( !Multiple ) - _dp_nf(gall,h,ps,!Top,&nf); - else - _dp_nf_ptozp(gall,h,ps,!Top,Multiple,&nf); - get_eg(&tnf1); add_eg(&eg_nf,&tnf0,&tnf1); - } else - nf = 0; - if ( nf ) { - NZR++; - get_eg(&tpz0); - prim_part(nf,0,&h); - get_eg(&tpz1); add_eg(&eg_pz,&tpz0,&tpz1); - get_eg(&tnp0); - nh = newps(h,m,subst); - get_eg(&tnp1); add_eg(&eg_np,&tnp0,&tnp1); - if ( nh < 0 ) - return 0; - g = updbase(g,nh); - gall = append_one(gall,nh); - if ( Print ) { - if ( !prev ) - fprintf(asir_out,"\n"); - print_split_eg(&tnf0,&tnf1); fflush(asir_out); - fprintf(asir_out,"(%d,%d),nb=%d,nab=%d,rp=%d,sugar=%d",l->dp1,l->dp2,length(g),length(gall),length(dlist),pss[nh]); - printdl(psh[nh]); fprintf(asir_out,"\n"); fflush(asir_out); - } - prev = 1; - } else { - if ( m ) - add_eg(&eg_znfm,&tnfm0,&tnfm1); - ZR++; - if ( Print ) { - fprintf(asir_out,"."); fflush(asir_out); prev = 0; - } - } - } - if ( Print ) - fprintf(asir_out,"gb done\n"); - return g; -} - -NODE gb_mod(f,m) -NODE f; -int m; -{ - int i,nh,prev; - NODE r,g,gall; - DP_pairs d,d1; - DP_pairs l; DP h,nf; - struct oEGT tnfm0,tnfm1,tspm0,tspm1,tmp0,tmp1,tpz0,tpz1; + struct oEGT tnfm0,tnfm1,tpz0,tpz1; prev = 1; for ( gall = g = 0, d = 0, r = f; r; r = NEXT(r) ) { @@ -1528,17 +1881,15 @@ int m; gall = append_one(gall,i); } while ( d ) { - get_eg(&tmp0); - l = minp(d,&d1); d = d1; - get_eg(&tmp1); add_eg(&eg_mp,&tmp0,&tmp1); get_eg(&tspm0); + l = minp(d,&d); if ( PCoeffs ) { dp_sp_mod(ps[l->dp1],ps[l->dp2],m,&h); - get_eg(&tspm1); add_eg(&eg_spm,&tspm0,&tspm1); get_eg(&tnfm0); + get_eg(&tnfm0); dp_nf_mod(gall,h,ps,m,!Top,&nf); } else { - _dp_sp_mod(ps[l->dp1],ps[l->dp2],m,&h); - get_eg(&tspm1); add_eg(&eg_spm,&tspm0,&tspm1); get_eg(&tnfm0); - _dp_nf_mod(gall,h,ps,m,!Top,&nf); + _dp_sp_mod_dup(ps[l->dp1],ps[l->dp2],m,&h); + get_eg(&tnfm0); + _dp_nf_mod_destructive(gall,h,ps,m,!Top,&nf); } get_eg(&tnfm1); add_eg(&eg_nfm,&tnfm0,&tnfm1); if ( nf ) { @@ -1551,589 +1902,40 @@ int m; return 0; d = updpairs(d,g,nh); g = updbase(g,nh); - if ( InterReduce ) - interreduce_mod(g,nh,m); gall = append_one(gall,nh); - if ( Print ) { + if ( DP_Print ) { if ( !prev ) fprintf(asir_out,"\n"); print_split_eg(&tnfm0,&tnfm1); fflush(asir_out); fprintf(asir_out,"(%d,%d),nb=%d,nab=%d,rp=%d,sugar=%d",l->dp1,l->dp2,length(g),length(gall),DPPlength(d),pss[nh]); printdl(psh[nh]); fprintf(asir_out,"\n"); fflush(asir_out); + } else if ( DP_PrintShort ) { + fprintf(asir_out,"+"); fflush(asir_out); } prev = 1; } else { add_eg(&eg_znfm,&tnfm0,&tnfm1); ZR++; - if ( Print ) { + if ( DP_Print || DP_PrintShort ) { fprintf(asir_out,"."); fflush(asir_out); prev = 0; } } } - if ( Print ) + if ( DP_Print || DP_PrintShort ) fprintf(asir_out,"gb_mod done\n"); return g; } -void interreduce_mod(g,n,m) -NODE g; -int n,m; +DP_pairs updpairs( DP_pairs d, NODE /* of index */ g, int t) { - DP nf; - NODE gn,t; - int i; - - MKNODE(gn,(pointer)n,0); - if ( PCoeffs ) - for ( t = g; t; t = NEXT(t) ) { - i = (int)BDY(t); - if ( i != n ) { - dp_nf_mod(gn,ps[i],ps,m,1,&nf); ps[i] = nf; - } - } - else - for ( t = g; t; t = NEXT(t) ) { - i = (int)BDY(t); - if ( i != n ) { - _dp_nf_mod(gn,ps[i],ps,m,1,&nf); ps[i] = nf; - } - } -} - -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; - 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(g,p,mod,&u); - 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; - } - 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(b,g,ps,full,rp) -NODE b; -DP g; -DP *ps; -int 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 ( dl_redble(BDY(g)->dl,psh[(int)BDY(l)]) ) { - dp_load((int)BDY(l),&p); - dp_red(d,g,p,&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; - addd(CO,d,t,&s); d = s; - dp_rest(g,&t); g = t; - } - } - if ( d ) - d->sugar = sugar; - *rp = d; -} - -#define SAFENM(q) ((q)?NM(q):0) - -double pz_t_e, pz_t_d, pz_t_d1, pz_t_c, im_t_s, im_t_r; - -void _dp_nf_ptozp(b,g,ps,full,multiple,r) -NODE b; -DP g; -DP *ps; -int full,multiple; -DP *r; -{ - DP u,dp,rp,t,t1,t2,red,shift; - Q dc,rc,dcq,rcq,cont,hr,hred,cr,cred,mcred,c,gcd,cq; - N gn,tn,cn; - NODE l; - MP m,mr; - int hmag,denom; - int sugar,psugar; - NODE dist; - STRING imul; - int ndist; - int kara_bit; - extern int kara_mag; - double get_rtime(); - double t_0,t_00,tt,ttt,t_p,t_m,t_m1,t_m2,t_s,t_g,t_a; - - if ( !g ) { - *r = 0; return; - } - pz_t_e = pz_t_d = pz_t_d1 = pz_t_c = 0; - t_p = t_m = t_m1 = t_m2 = t_s = t_g = t_a = 0; - - denom = Denominator?Denominator:1; - hmag = multiple*HMAG(g)/denom; - kara_bit = kara_mag*27; /* XXX */ - if ( Dist ) { - dist = BDY(Dist); - ndist = length(dist); - } - sugar = g->sugar; - - dc = 0; dp = 0; rc = ONE; rp = g; - MKSTR(imul,"dp_imul_index"); - - for ( ; rp; ) { - for ( u = 0, l = b; l; l = NEXT(l) ) { - if ( dl_redble(BDY(rp)->dl,psh[(int)BDY(l)]) ) { - t_0 = get_rtime(); - dp_load((int)BDY(l),&red); - hr = (Q)BDY(rp)->c; hred = (Q)BDY(red)->c; - gcdn(NM(hr),NM(hred),&gn); - divsn(NM(hred),gn,&tn); NTOQ(tn,SGN(hred),cr); - divsn(NM(hr),gn,&tn); NTOQ(tn,SGN(hr),cred); - tt = get_rtime()-t_0; t_p += tt; - - t_0 = get_rtime(); - dp_subd(rp,red,&shift); -#if INET - if ( Dist && ndist && HMAG(red) > kara_bit ) { - NODE n0,n1,n2,n3; - int i,s,id; - Obj dmy; - Q ind; - - if ( Print ) - fprintf(asir_out,"d"); - i = (int)BDY(l); STOQ(i,ind); - chsgnp((P)cred,(P *)&mcred); - - MKNODE(n3,ind,0); MKNODE(n2,mcred,n3); - MKNODE(n1,imul,n2); MKNODE(n0,BDY(dist),n1); - Pox_rpc(n0,&dmy); - muldc(CO,rp,(P)cr,&t); - NEXT(n0)=0; - Pox_pop_local(n0,&t1); - } else -#endif - { -/* - if ( Print ) - fprintf(asir_out,"l"); -*/ - t_00 = get_rtime(); - muldc(CO,rp,(P)cr,&t); - ttt = get_rtime()-t_00; t_m1 += ttt/dp_nt(rp); - t_00 = get_rtime(); - chsgnp((P)cred,(P *)&mcred); - muldc(CO,red,(P)mcred,&t1); - ttt = get_rtime()-t_00; t_m2 += ttt/dp_nt(red); - } - t_00 = get_rtime(); - muld(CO,shift,t1,&t2); - addd(CO,t,t2,&u); - tt = get_rtime(); t_m += tt-t_0; - ttt = get_rtime(); t_s += ttt-t_00; - - psugar = (BDY(rp)->dl->td - BDY(red)->dl->td) + red->sugar; - sugar = MAX(sugar,psugar); - if ( !u ) { - if ( dp ) - dp->sugar = sugar; - *r = dp; - goto final; - } - break; - } - } - if ( u ) { - if ( HMAG(u) > hmag ) { - t_0 = get_rtime(); -#if INET - if ( Dist && HMAG(u) > kara_bit ) { - if ( Print ) - fprintf(asir_out,"D"); - dp_ptozp_d(dist,ndist,u,&t); - } else { - if ( Print ) - fprintf(asir_out,"L"); - dp_ptozp_d(0,0,u,&t); - } -#else - dp_ptozp(u,&t); /* XXX */ -#endif - tt = get_rtime()-t_0; t_g += tt; - t_0 = get_rtime(); - divsn(NM((Q)BDY(u)->c),NM((Q)BDY(t)->c),&cn); NTOQ(cn,1,cont); - if ( !dp_fcoeffs && Print ) { - fprintf(asir_out,"(%d)",p_mag((P)cont)*100/p_mag((P)BDY(u)->c)); - fflush(asir_out); - } - mulq(cr,dc,&dcq); - mulq(cont,rc,&rcq); - gcdn(SAFENM(dcq),SAFENM(rcq),&gn); - divsn(SAFENM(dcq),gn,&tn); NTOQ(tn,SGN(dcq),dc); - divsn(SAFENM(rcq),gn,&tn); NTOQ(tn,SGN(rcq),rc); - tt = get_rtime()-t_0; t_a += tt; - rp = t; - hmag = multiple*HMAG(rp)/denom; - } else { - t_0 = get_rtime(); - mulq(cr,dc,&dcq); dc = dcq; - tt = get_rtime()-t_0; t_a += tt; - rp = u; - } - } else if ( !full ) { - if ( rp ) { - MKDP(rp->nv,BDY(rp),t); t->sugar = sugar; rp = t; - } - *r = rp; - goto final; - } else { - t_0 = get_rtime(); - mulq((Q)BDY(rp)->c,rc,&c); - gcdn(SAFENM(dc),SAFENM(c),&gn); NTOQ(gn,1,gcd); - divsn(SAFENM(dc),gn,&tn); NTOQ(tn,SGN(dc),dcq); - divsn(SAFENM(c),gn,&tn); NTOQ(tn,SGN(c),cq); - muldc(CO,dp,(P)dcq,&t1); - m = BDY(rp); NEWMP(mr); mr->dl = m->dl; mr->c = (P)cq; - NEXT(mr) = 0; MKDP(rp->nv,mr,t); t->sugar = mr->dl->td; - addd(CO,t,t1,&dp); - dc = gcd; - - dp_rest(rp,&t); rp = t; - tt = get_rtime()-t_0; t_a += tt; - } - } - if ( dp ) - dp->sugar = sugar; - *r = dp; -final: - if ( Print ) - fprintf(asir_out,"(%.3g %.3g %.3g %.3g %.3g %.3g %.3g %.3g %.3g %.3g %.3g)", - t_p,t_m,t_m1,t_m2,t_s, - t_g,t_a, - pz_t_e, pz_t_d, pz_t_d1, pz_t_c); -} - -void dp_imul_d(); -void imulv(); - -void _dp_nf_ptozp_mpi(b,g,ps,full,multiple,r) -NODE b; -DP g; -DP *ps; -int full,multiple; -DP *r; -{ - Obj dmy; - DP u,dp,rp,t,t1,t2,red,shift; - Q dc,rc,dcq,rcq,cont,hr,hred,cr,cred,mcred,c,gcd,cq; - N gn,tn,cn; - NODE l,n0,n1,n2,n3; - MP m,mr; - int i,n; - int hmag,denom; - int sugar,psugar; - NODE dist; - STRING imul; - int ndist; - int kara_bit; - extern int kara_mag; - extern int mpi_mag; - Q ind; - int id; - double get_rtime(); - double t_0,t_00,tt,ttt,t_p,t_m,t_m1,t_m2,t_s,t_g,t_a; - - if ( !g ) { - *r = 0; return; - } - pz_t_e = pz_t_d = pz_t_d1 = pz_t_c = 0; - t_p = t_m = t_m1 = t_m2 = t_s = t_g = t_a = 0; - - denom = Denominator?Denominator:1; - hmag = multiple*HMAG(g)/denom; - kara_bit = kara_mag*27; /* XXX */ - if ( Dist ) { - dist = BDY(Dist); - ndist = length(dist); - } - sugar = g->sugar; - - dc = 0; dp = 0; rc = ONE; rp = g; - MKSTR(imul,"dp_imul_index"); - - for ( ; rp; ) { - for ( u = 0, l = b; l; l = NEXT(l) ) { - if ( dl_redble(BDY(rp)->dl,psh[(int)BDY(l)]) ) { - t_0 = get_rtime(); - dp_load((int)BDY(l),&red); - hr = (Q)BDY(rp)->c; hred = (Q)BDY(red)->c; - gcdn(NM(hr),NM(hred),&gn); - divsn(NM(hred),gn,&tn); NTOQ(tn,SGN(hred),cr); - divsn(NM(hr),gn,&tn); NTOQ(tn,SGN(hr),cred); - tt = get_rtime()-t_0; t_p += tt; - - t_0 = get_rtime(); - dp_subd(rp,red,&shift); - t_00 = get_rtime(); - if ( Dist && ndist - && HMAG(rp) > mpi_mag && p_mag((P)cr) > mpi_mag ) { - if ( Print ) fprintf(asir_out,"~"); - dp_imul_d(rp,cr,&t); - } else { - if ( Print ) fprintf(asir_out,"_"); - muldc(CO,rp,(P)cr,&t); - } - ttt = get_rtime()-t_00; t_m1 += ttt/dp_nt(rp); - - t_00 = get_rtime(); - chsgnp((P)cred,(P *)&mcred); - if ( Dist && ndist - && HMAG(red) > mpi_mag && p_mag((P)mcred) > mpi_mag ) { - if ( Print ) fprintf(asir_out,"="); - dp_imul_d(red,mcred,&t1); - } else { - if ( Print ) fprintf(asir_out,"_"); - muldc(CO,red,(P)mcred,&t1); - } - ttt = get_rtime()-t_00; t_m2 += ttt/dp_nt(red); - - t_00 = get_rtime(); - muld(CO,shift,t1,&t2); - addd(CO,t,t2,&u); - tt = get_rtime(); t_m += tt-t_0; - ttt = get_rtime(); t_s += ttt-t_00; - - psugar = (BDY(rp)->dl->td - BDY(red)->dl->td) + red->sugar; - sugar = MAX(sugar,psugar); - if ( !u ) { - if ( dp ) - dp->sugar = sugar; - *r = dp; - goto final; - } - break; - } - } - if ( u ) { - if ( HMAG(u) > hmag ) { - t_0 = get_rtime(); - if ( Dist && HMAG(u) > mpi_mag ) { - if ( Print ) - fprintf(asir_out,"D"); - dp_ptozp_d(dist,ndist,u,&t); - } else { - if ( Print ) - fprintf(asir_out,"L"); - dp_ptozp_d(0,0,u,&t); - } - tt = get_rtime()-t_0; t_g += tt; - t_0 = get_rtime(); - divsn(NM((Q)BDY(u)->c),NM((Q)BDY(t)->c),&cn); NTOQ(cn,1,cont); - if ( Print ) { - fprintf(asir_out,"(%d)",p_mag((P)cont)*100/p_mag((P)BDY(u)->c)); - fflush(asir_out); - } - mulq(cr,dc,&dcq); - mulq(cont,rc,&rcq); - gcdn(SAFENM(dcq),SAFENM(rcq),&gn); - divsn(SAFENM(dcq),gn,&tn); NTOQ(tn,SGN(dcq),dc); - divsn(SAFENM(rcq),gn,&tn); NTOQ(tn,SGN(rcq),rc); - tt = get_rtime()-t_0; t_a += tt; - rp = t; - hmag = multiple*HMAG(rp)/denom; - } else { - t_0 = get_rtime(); - mulq(cr,dc,&dcq); dc = dcq; - tt = get_rtime()-t_0; t_a += tt; - rp = u; - } - } else if ( !full ) { - if ( rp ) { - MKDP(rp->nv,BDY(rp),t); t->sugar = sugar; rp = t; - } - *r = rp; - goto final; - } else { - t_0 = get_rtime(); - mulq((Q)BDY(rp)->c,(Q)rc,(Q *)&c); - gcdn(SAFENM(dc),SAFENM(c),&gn); NTOQ(gn,1,gcd); - divsn(SAFENM(dc),gn,&tn); NTOQ(tn,SGN(dc),dcq); - divsn(SAFENM(c),gn,&tn); NTOQ(tn,SGN(c),cq); - muldc(CO,dp,(P)dcq,&t1); - m = BDY(rp); NEWMP(mr); mr->dl = m->dl; mr->c = (P)cq; - NEXT(mr) = 0; MKDP(rp->nv,mr,t); t->sugar = mr->dl->td; - addd(CO,t,t1,&dp); - dc = gcd; - - dp_rest(rp,&t); rp = t; - tt = get_rtime()-t_0; t_a += tt; - } - } - if ( dp ) - dp->sugar = sugar; - *r = dp; -final: - if ( Print ) - fprintf(asir_out,"(%.3g %.3g %.3g %.3g %.3g %.3g %.3g %.3g %.3g %.3g %.3g)", - t_p,t_m,t_m1,t_m2,t_s, - t_g,t_a, - pz_t_e, pz_t_d, pz_t_d1, pz_t_c); -} - -void dp_imul_d(p,q,rp) -DP p; -Q q; -DP *rp; -{ - int nsep,ndist,i,j,k,l,n; - double t0,t1,t2; - Q *s; - pointer *b; - VECT c,cs,ri; - VECT *r; - MP m; - NODE tn,dist,n0,n1,n2; - Obj dmy; - STRING imul; - - extern LIST Dist; - - if ( !p || !q ) { - *rp = 0; return; - } - dist = BDY(Dist); - for ( tn = dist, ndist = 0; tn; tn = NEXT(tn), ndist++ ); - nsep = ndist + 1; - for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ ); - if ( n <= nsep ) { - muldc(CO,p,(P)q,rp); return; - } - MKSTR(imul,"imulv"); - t0 = get_rtime(); - dp_dtov(p,&c); - sepvect(c,nsep,&cs); - r = (VECT *)CALLOC(nsep,sizeof(VECT *)); - for ( i = 0, tn = dist, b = BDY(cs); i < ndist; i++, tn = NEXT(tn) ) { - n0 = mknode(4,BDY(tn),imul,b[i],q); - Pox_rpc(n0,&dmy); - } - t1 = get_rtime(); - im_t_s += t1 - t0; - imulv(b[i],q,&r[i]); - t1 = get_rtime(); - for ( i = 0, tn = dist; i < ndist; i++, tn = NEXT(tn) ) { - MKNODE(n0,BDY(tn),0); - Pox_pop_local(n0,&r[i]); - if ( OID(r[i]) == O_ERR ) { - printexpr(CO,(Obj)r[i]); - error("dp_imul_d : aborted"); - } - } - t2 = get_rtime(); - im_t_r += t2 - t1; - s = (Q *)CALLOC(n,sizeof(Q)); - for ( i = j = 0; i < nsep; i++ ) { - for ( k = 0, ri = r[i], l = ri->len; k < l; k++, j++ ) { - s[j] = (Q)BDY(ri)[k]; - } - } - dp_vtod(s,p,rp); -} - -void imulv(w,c,rp) -VECT w; -Q c; -VECT *rp; -{ - int n,i; - VECT r; - - n = w->len; - MKVECT(r,n); *rp = r; - for ( i = 0; i < n; i++ ) - mulq((Q)BDY(w)[i],(Q)c,(Q *)&BDY(r)[i]); -} - -DP_pairs updpairs( d, g, t) -DP_pairs d; -NODE /* of index */ g; -int t; -{ register DP_pairs d1, dd, nd; - struct oEGT tup0,tup1; int dl,dl1; if ( !g ) return d; - get_eg(&tup0); if ( !NoCriB && d ) { dl = DPPlength(d); d = criterion_B( d, t ); - dl -= DPPlength(d); NBP += dl; + dl -= DPPlength(d); N_BP += dl; } d1 = newpairs( g, t ); if ( NEXT(d1) ) { @@ -2144,25 +1946,24 @@ int t; dl1 = DPPlength(d1); NFP += (dl-dl1); dl = dl1; } else dl = 1; - for ( dd = 0; d1; d1 = nd ) { - nd = NEXT(d1); - if ( !criterion_2( d1->dp1, d1->dp2 ) ) { - NEXT(d1) = dd; - dd = d1; + if ( !do_weyl ) + for ( dd = 0; d1; d1 = nd ) { + nd = NEXT(d1); + if ( !criterion_2( d1->dp1, d1->dp2 ) ) { + NEXT(d1) = dd; + dd = d1; + } } - } + else + dd = d1; dl1 = DPPlength(dd); NDP += (dl-dl1); - get_eg(&tup1); - add_eg(&eg_up,&tup0,&tup1); if ( !(nd = d) ) return dd; while ( nd = NEXT(d1 = nd) ) ; NEXT(d1) = dd; return d; } -DP_pairs newpairs( g, t ) -NODE /* of index */ g; -register int t; +DP_pairs newpairs( NODE /* of index */ g, int t ) { register NODE r; register DL tdl = psh[t]; @@ -2178,14 +1979,17 @@ register int t; last = p; dp = p->dp1 = (int)BDY(r); p->dp2 = t; p->lcm = lcm_of_DL(CNVars, dl = psh[dp], tdl, (DL)0 ); - p->sugar = (ts > (s = pss[dp] - dl->td) ? ts : s) + p->lcm->td; +#if 0 + if ( do_weyl ) + p->sugar = dl_weyl_weight(p->lcm); + else +#endif + p->sugar = (ts > (s = pss[dp] - dl->td) ? ts : s) + p->lcm->td; } return last; } -DP_pairs criterion_B( d, s ) -register DP_pairs d; -int s; +DP_pairs criterion_B( DP_pairs d, int s ) { register DP_pairs dd, p; register DL tij, t = psh[s], dltmp; @@ -2208,8 +2012,7 @@ int s; return dd; } -DP_pairs criterion_M( d1 ) -DP_pairs d1; +DP_pairs criterion_M( DP_pairs d1 ) { register DP_pairs dd, e, d3, d2, p; register DL itdl, jtdl; @@ -2251,8 +2054,7 @@ DP_pairs d1; return dd; } -static DP_pairs collect_pairs_of_hdlcm( d1, prest ) -DP_pairs d1, *prest; +static DP_pairs collect_pairs_of_hdlcm( DP_pairs d1, DP_pairs *prest ) { register DP_pairs w, p, r, s; register DL ti; @@ -2276,8 +2078,7 @@ DP_pairs d1, *prest; return w; } -int criterion_2( dp1, dp2 ) -int dp1, dp2; +int criterion_2( int dp1, int dp2 ) { register int i, *d1, *d2; @@ -2287,8 +2088,7 @@ int dp1, dp2; return 1; } -DP_pairs criterion_F( d1 ) -DP_pairs d1; +DP_pairs criterion_F( DP_pairs d1 ) { DP_pairs rest, head; register DP_pairs last, p, r, w; @@ -2297,7 +2097,7 @@ DP_pairs d1; for ( head = last = 0, p = d1; NEXT(p); ) { s = (r = w = collect_pairs_of_hdlcm( p, &rest ))->sugar; while ( w = NEXT(w) ) - if ( criterion_2( w->dp1, w->dp2 ) ) { + if ( !do_weyl && criterion_2( w->dp1, w->dp2 ) ) { r = w; break; } else if ( w->sugar < s ) s = (r = w)->sugar; @@ -2311,18 +2111,14 @@ DP_pairs d1; return head; } -NODE updbase(g,t) -NODE g; -int t; +NODE updbase(NODE g,int t) { g = remove_reducibles(g,t); g = append_one(g,t); return g; } -NODE /* of index */ remove_reducibles( nd, newdp ) -NODE /* of index */ nd; -int newdp; +NODE /* of index */ remove_reducibles(NODE /* of index */ nd, int newdp ) { register DL dl, dln; register NODE last, p, head; @@ -2343,8 +2139,7 @@ int newdp; return head; } -int dl_redble( dl1, dl2 ) -DL dl1, dl2; +int dl_redble(DL dl1,DL dl2) { register int n, *d1, *d2; @@ -2353,9 +2148,20 @@ DL dl1, dl2; return 1; } -int gbcheck(f) -NODE f; +#if 0 +int dl_weyl_weight(DL dl) { + int n,w,i; + + n = CNVars/2; + for ( i = 0, w = 0; i < n; i++ ) + w += (-dl->d[i]+dl->d[n+i]); + return w; +} +#endif + +int gbcheck(NODE f) +{ int i; NODE r,g,gall; DP_pairs d,l; @@ -2370,59 +2176,94 @@ NODE f; g = updbase(g,i); gall = append_one(gall,i); } - if ( Print || PrintShort ) { + if ( DP_Print || DP_PrintShort ) { fprintf(asir_out,"gbcheck total %d pairs\n",DPPlength(d)); fflush(asir_out); } while ( d ) { l = d; d = NEXT(d); get_eg(&tmp0); - dp_load(l->dp1,&dp1); dp_load(l->dp2,&dp2); dp_sp(dp1,dp2,&h); + dp_load(l->dp1,&dp1); dp_load(l->dp2,&dp2); + dp_sp(dp1,dp2,&h); +/* fprintf(stderr,"{%d,%d}",l->dp1,l->dp2); */ _dp_nf(gall,h,ps,1,&nf); get_eg(&tmp1); add_eg(&eg_gc,&tmp0,&tmp1); - if ( Print || PrintShort ) { + if ( DP_Print || DP_PrintShort ) { fprintf(asir_out,"."); fflush(asir_out); } if ( nf ) return 0; } - if ( Print || PrintShort ) + if ( DP_Print || DP_PrintShort ) fprintf(asir_out,"\n"); return 1; } -int membercheck(f,x) -NODE f,x; +void gbcheck_list(NODE f,int n,VECT *gp,LIST *pp) { + int i; + NODE r,g,gall,u,u0,t; + VECT vect; + LIST pair; + DP_pairs d,l; + Q q1,q2; + + /* we need the following settings */ + NVars = CNVars = n; + setup_arrays(f,0,&r); + for ( gall = g = 0, d = 0; r; r = NEXT(r) ) { + i = (int)BDY(r); + d = updpairs(d,g,i); + g = updbase(g,i); + gall = append_one(gall,i); + } + NEWVECT(vect); vect->len = psn; vect->body = (pointer)ps; + *gp = vect; + + for ( u0 = 0, l = d; l; l = NEXT(l) ) { + NEXTNODE(u0,u); + STOQ(l->dp1,q1); + STOQ(l->dp2,q2); + t = mknode(2,q1,q2); + MKLIST(pair,t); + BDY(u) = (pointer)pair; + } + if ( u0 ) + NEXT(u) = 0; + MKLIST(*pp,u0); +} + +int membercheck(NODE f,NODE x) +{ DP g; struct oEGT tmp0,tmp1; if ( NoMC ) return 1; - if ( Print || PrintShort ) { + if ( DP_Print || DP_PrintShort ) { fprintf(asir_out,"membercheck\n"); fflush(asir_out); } for ( ; f; f = NEXT(f) ) { get_eg(&tmp0); _dp_nf(x,(DP)BDY(f),ps,1,&g); get_eg(&tmp1); add_eg(&eg_mc,&tmp0,&tmp1); - if ( Print ) { + if ( DP_Print ) { print_split_eg(&tmp0,&tmp1); fflush(asir_out); - } else if ( PrintShort ) { + } else if ( DP_PrintShort ) { fprintf(asir_out,"."); fflush(asir_out); } if ( g ) return 0; } - if ( Print || PrintShort ) + if ( DP_Print || DP_PrintShort ) fprintf(asir_out,"\n"); return 1; } -void dp_set_flag(name,value) -Obj name,value; +void dp_set_flag(Obj name,Obj value) { char *n; int v; + Q ratio; if ( OID(name) != O_STR ) return; @@ -2433,6 +2274,16 @@ Obj name,value; if ( !strcmp(n,"Dist") ) { Dist = (LIST)value; return; } + if ( !strcmp(n,"Content") ) { + ratio = (Q)value; + if ( ratio ) { + DP_Multiple = BD(NM(ratio))[0]; + Denominator = INT(ratio) ? 1 : BD(DN(ratio))[0]; + } else { + DP_Multiple = 0; + Denominator = 1; + } + } if ( value && OID(value) != O_N ) return; v = QTOS((Q)value); @@ -2453,37 +2304,60 @@ Obj name,value; else if ( !strcmp(n,"ShowMag") ) ShowMag = v; else if ( !strcmp(n,"PrintShort") ) - PrintShort = v; + DP_PrintShort = v; else if ( !strcmp(n,"Print") ) - Print = v; + DP_Print = v; + else if ( !strcmp(n,"NFStat") ) + DP_NFStat = v; else if ( !strcmp(n,"Stat") ) Stat = v; else if ( !strcmp(n,"Reverse") ) Reverse = v; - else if ( !strcmp(n,"InterReduce") ) - InterReduce = v; else if ( !strcmp(n,"Multiple") ) - Multiple = v; + DP_Multiple = v; else if ( !strcmp(n,"Denominator") ) Denominator = v; else if ( !strcmp(n,"PtozpRA") ) PtozpRA = v; + else if ( !strcmp(n,"GenTrace") ) + GenTrace = v; + else if ( !strcmp(n,"OXCheck") ) + OXCheck = v; + else if ( !strcmp(n,"GenSyz") ) + GenSyz = v; + else if ( !strcmp(n,"OneZeroHomo") ) + OneZeroHomo = v; + else if ( !strcmp(n,"MaxDeg") ) + MaxDeg = v; } -void dp_make_flaglist(list) -LIST *list; +void dp_make_flaglist(LIST *list) { - Q v; + Q v,nm,dn; STRING name,path; NODE n,n1; - STOQ(Multiple,v); MKNODE(n,v,0); MKSTR(name,"Multiple"); MKNODE(n1,name,n); n = n1; +#if 0 + STOQ(DP_Multiple,v); MKNODE(n,v,0); MKSTR(name,"DP_Multiple"); MKNODE(n1,name,n); n = n1; STOQ(Denominator,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"Denominator"); MKNODE(n1,name,n); n = n1; +#else + if ( DP_Multiple ) { + STOQ(DP_Multiple,nm); STOQ(Denominator,dn); divq(nm,dn,&v); + } else + v = 0; + MKNODE(n,v,0); MKSTR(name,"Content"); MKNODE(n1,name,n); n = n1; +#endif MKNODE(n1,Dist,n); n = n1; MKSTR(name,"Dist"); MKNODE(n1,name,n); n = n1; - STOQ(InterReduce,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"InterReduce"); MKNODE(n1,name,n); n = n1; STOQ(Reverse,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"Reverse"); MKNODE(n1,name,n); n = n1; STOQ(Stat,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"Stat"); MKNODE(n1,name,n); n = n1; - STOQ(Print,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"Print"); MKNODE(n1,name,n); n = n1; + STOQ(DP_Print,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"Print"); MKNODE(n1,name,n); n = n1; + STOQ(DP_PrintShort,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"PrintShort"); MKNODE(n1,name,n); n = n1; + STOQ(DP_NFStat,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"NFStat"); MKNODE(n1,name,n); n = n1; + STOQ(OXCheck,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"OXCheck"); MKNODE(n1,name,n); n = n1; + STOQ(GenTrace,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"GenTrace"); MKNODE(n1,name,n); n = n1; + STOQ(GenSyz,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"GenSyz"); MKNODE(n1,name,n); n = n1; + STOQ(MaxDeg,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"MaxDeg"); MKNODE(n1,name,n); n = n1; + STOQ(OneZeroHomo,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"OneZeroHomo"); MKNODE(n1,name,n); n = n1; STOQ(PtozpRA,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"PtozpRA"); MKNODE(n1,name,n); n = n1; STOQ(ShowMag,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"ShowMag"); MKNODE(n1,name,n); n = n1; STOQ(Top,v); MKNODE(n1,v,n); n = n1; MKSTR(name,"Top"); MKNODE(n1,name,n); n = n1; @@ -2503,31 +2377,21 @@ LIST *list; #define DELIM '/' -#if defined(THINK_C) -#undef DELIM -#define DELIM ':' -#endif - -void dp_save(index,p) -int index; -DP p; +void dp_save(int index,Obj p,char *prefix) { FILE *fp; char path[BUFSIZ]; - sprintf(path,"%s%c%d",Demand,DELIM,index); -#if defined(VISUAL) || defined(THINK_C) + if ( prefix ) + sprintf(path,"%s%c%s%d",Demand,DELIM,prefix,index); + else + sprintf(path,"%s%c%d",Demand,DELIM,index); if ( !(fp = fopen(path,"wb") ) ) -#else - if ( !(fp = fopen(path,"w") ) ) -#endif error("dp_save : cannot open a file"); - savevl(fp,VC); saveobj(fp,(Obj)p); fclose(fp); + savevl(fp,VC); saveobj(fp,p); fclose(fp); } -void dp_load(index,p) -int index; -DP *p; +void dp_load(int index,DP *p) { FILE *fp; char path[BUFSIZ]; @@ -2536,94 +2400,103 @@ DP *p; *p = ps[index]; else { sprintf(path,"%s%c%d",Demand,DELIM,index); -#if defined(VISUAL) || defined(THINK_C) if ( !(fp = fopen(path,"rb") ) ) -#else - if ( !(fp = fopen(path,"r") ) ) -#endif error("dp_load : cannot open a file"); - skipvl(fp); loadobj(fp,(Obj *)p); fclose(fp); + if ( PCoeffs ) + loadvl(fp); + else + skipvl(fp); + loadobj(fp,(Obj *)p); fclose(fp); } } -int dp_load_t(index,p) -int index; -DP *p; +int dp_load_t(int index,DP *p) { FILE *fp; char path[BUFSIZ]; sprintf(path,"%s%c%d",Demand,DELIM,index); -#if defined(VISUAL) || defined(THINK_C) if ( !(fp = fopen(path,"rb") ) ) -#else - if ( !(fp = fopen(path,"r") ) ) -#endif return 0; else { - skipvl(fp); loadobj(fp,(Obj *)p); fclose(fp); return 1; + if ( PCoeffs ) + loadvl(fp); + else + skipvl(fp); + loadobj(fp,(Obj *)p); fclose(fp); return 1; } } void init_stat() { - init_eg(&eg_up); init_eg(&eg_sp); init_eg(&eg_spm); init_eg(&eg_nf); init_eg(&eg_nfm); init_eg(&eg_znfm); - init_eg(&eg_pz); init_eg(&eg_np); init_eg(&eg_mp); + init_eg(&eg_pz); init_eg(&eg_np); init_eg(&eg_ra); init_eg(&eg_mc); init_eg(&eg_gc); - ZR = NZR = TP = NBP = NMP = NFP = NDP = 0; + ZR = NZR = TP = NMP = N_BP = NFP = NDP = 0; } void print_stat() { - if ( !Print && !Stat ) + if ( !DP_Print && !Stat ) return; - print_eg("UP",&eg_up); print_eg("SP",&eg_sp); print_eg("SPM",&eg_spm); print_eg("NF",&eg_nf); print_eg("NFM",&eg_nfm); print_eg("ZNFM",&eg_znfm); - print_eg("PZ",&eg_pz); print_eg("NP",&eg_np); print_eg("MP",&eg_mp); + print_eg("PZ",&eg_pz); print_eg("NP",&eg_np); print_eg("RA",&eg_ra); print_eg("MC",&eg_mc); print_eg("GC",&eg_gc); - fprintf(asir_out,"T=%d,B=%d M=%d F=%d D=%d ZR=%d NZR=%d\n",TP,NBP,NMP,NFP,NDP,ZR,NZR); + fprintf(asir_out,"T=%d,B=%d M=%d F=%d D=%d ZR=%d NZR=%d\n",TP,N_BP,NMP,NFP,NDP,ZR,NZR); } /* - * Old codes + * dp_nf used in gb() + * */ -#if 0 -void _dp_nf_ptozp(b,g,ps,full,multiple,rp) -NODE b; -DP g; -DP *ps; -int full,multiple; -DP *rp; +double pz_t_e, pz_t_d, pz_t_d1, pz_t_c, im_t_s, im_t_r; + +extern int GenTrace; +extern NODE TraceList; +extern int mpi_mag; + +void dp_mulc_d(DP p,P c,DP *r) { - DP u,p,d,s,t,dmy; + if ( Dist && BDY(Dist) + && HMAG(p) > mpi_mag + && p_mag((P)c) > mpi_mag ) { + if ( DP_NFStat ) fprintf(asir_out,"~"); + dp_imul_d(p,(Q)c,r); + } else { + if ( DP_NFStat ) fprintf(asir_out,"_"); + muldc(CO,p,c,r); + } +} + +void _dp_nf(NODE b,DP g,DP *ps,int full,DP *rp) +{ + DP u,p,d,s,t,mult; + P coef; NODE l; MP m,mr; - int i,n; - int hmag,denom; int sugar,psugar; - NODE dist; - int ndist; - int kara_bit; - extern int kara_mag; if ( !g ) { *rp = 0; return; } - denom = Denominator?Denominator:1; - hmag = multiple*HMAG(g)/denom; - kara_bit = kara_mag*27; /* XXX */ - if ( Dist ) { - dist = BDY(Dist); - ndist = length(dist); - } sugar = g->sugar; for ( d = 0; g; ) { for ( u = 0, l = b; l; l = NEXT(l) ) { if ( dl_redble(BDY(g)->dl,psh[(int)BDY(l)]) ) { dp_load((int)BDY(l),&p); - dp_red(d,g,p,&t,&u,&dmy); + /* t+u = coef*(d+g) - mult*p (t = coef*d) */ + dp_red(d,g,p,&t,&u,&coef,&mult); psugar = (BDY(g)->dl->td - BDY(p)->dl->td) + p->sugar; sugar = MAX(sugar,psugar); + if ( GenTrace ) { + LIST hist; + Q cq; + NODE node,node0; + + STOQ((int)BDY(l),cq); + node0 = mknode(4,coef,cq,mult,ONE); + MKLIST(hist,node0); + MKNODE(node,hist,TraceList); TraceList = node; + } if ( !u ) { if ( d ) d->sugar = sugar; @@ -2633,30 +2506,8 @@ DP *rp; break; } } - if ( u ) { + if ( u ) g = u; - if ( d ) { - if ( HMAG(d) > hmag ) { - if ( Dist && HMAG(g) > kara_bit ) - dp_ptozp2_d(dist,ndist,d,g,&t,&u); - else - dp_ptozp2(d,g,&t,&u); - d = t; g = u; - hmag = multiple*HMAG(d)/denom; - } - } else { - if ( HMAG(g) > hmag ) { -#if INET - if ( Dist && HMAG(g) > kara_bit ) { - dp_ptozp_d(dist,ndist,g,&t); - } else -#endif - dp_ptozp(g,&t); - g = t; - hmag = multiple*HMAG(g)/denom; - } - } - } else if ( !full ) { if ( g ) { MKDP(g->nv,BDY(g),t); t->sugar = sugar; g = t; @@ -2674,68 +2525,220 @@ DP *rp; *rp = d; } -int criterion_2(dp1,dp2) +void _dp_nf_z(NODE b,DP g,DP *ps,int full,int multiple,DP *r) { - DP g1,g2,g,s1,s2; + DP u,dp,rp,t,t1,red,shift; + Q dc,rc,dcq,rcq,cont,hr,hred,cr,cred,mcred,c,gcd,cq; + NODE l; + int hmag,denom; + int sugar,psugar; + STRING imul; + double t_0,tt,t_p,t_m,t_g,t_a; + LIST hist; + NODE node; + Q rcred,mrcred; - monomial_gcd(ps[dp1],&g1); monomial_gcd(ps[dp2],&g2); - dp_gcd(g1,g2,&g); - dp_subd(ps[dp1],g,&s1); dp_subd(ps[dp2],g,&s2); - return _criterion_2(s1,s2); -} + if ( !g ) { + *r = 0; return; + } + pz_t_e = pz_t_d = pz_t_d1 = pz_t_c = 0; + t_p = t_m = t_g = t_a = 0; -int _criterion_2( dp1, dp2 ) -DP dp1, dp2; -{ - register int i, *d1, *d2; + denom = Denominator?Denominator:1; + hmag = multiple*HMAG(g)/denom; + sugar = g->sugar; - d1 = BDY(dp1)->dl->d; d2 = BDY(dp2)->dl->d; - for ( i = CNVars; --i >= 0; d1++, d2++ ) - if ( (*d1 <= *d2 ? *d1 : *d2) > 0 ) return 0; - return 1; + dc = 0; dp = 0; rc = ONE; rp = g; + MKSTR(imul,"dp_imul_index"); + + /* g = dc*dp+rc*rp */ + for ( ; rp; ) { + for ( u = 0, l = b; l; l = NEXT(l) ) { + if ( dl_redble(BDY(rp)->dl,psh[(int)BDY(l)]) ) { + t_0 = get_rtime(); + dp_load((int)BDY(l),&red); + hr = (Q)BDY(rp)->c; hred = (Q)BDY(red)->c; + igcd_cofactor((Q)BDY(rp)->c,(Q)BDY(red)->c,&gcd,&cred,&cr); + tt = get_rtime(); t_p += tt-t_0; + + dp_subd(rp,red,&shift); + dp_mulc_d(rp,(P)cr,&t); + chsgnp((P)cred,(P *)&mcred); + dp_mulc_d(red,(P)mcred,&t1); + muld(CO,shift,t1,&t1); + addd(CO,t,t1,&u); + t_m += get_rtime()-tt; + + psugar = (BDY(rp)->dl->td - BDY(red)->dl->td) + red->sugar; + sugar = MAX(sugar,psugar); + + if ( GenTrace ) { + /* u = cr*rp + (-cred)*shift*red */ + STOQ((int)BDY(l),cq); + node = mknode(4,cr,cq,NULLP,NULLP); + mulq(cred,rc,&rcred); + chsgnnum((Num)rcred,(Num *)&mrcred); + muldc(CO,shift,(P)mrcred,(DP *)&ARG2(node)); + MKLIST(hist,node); + } + + if ( !u ) { + if ( dp ) + dp->sugar = sugar; + *r = dp; + if ( GenTrace ) { + ARG3(BDY(hist)) = ONE; + MKNODE(node,hist,TraceList); TraceList = node; + } + goto final; + } + break; + } + } + if ( u ) { + if ( multiple && HMAG(u) > hmag ) { + t_0 = get_rtime(); + dp_ptozp_d(u,&rp); + tt = get_rtime(); t_g += tt-t_0; + + divsq((Q)BDY(u)->c,(Q)BDY(rp)->c,&cont); + if ( !dp_fcoeffs && DP_NFStat ) { + fprintf(asir_out, + "(%d)",p_mag((P)cont)*100/p_mag((P)BDY(u)->c)); + fflush(asir_out); + } + mulq(cr,dc,&dcq); mulq(cont,rc,&rcq); + igcd_cofactor(dcq,rcq,&gcd,&dc,&rc); + t_a = get_rtime()-tt; + + hmag = multiple*HMAG(rp)/denom; + if ( GenTrace ) { + ARG3(BDY(hist)) = (pointer)gcd; + MKNODE(node,hist,TraceList); TraceList = node; + } + } else { + rp = u; + t_0 = get_rtime(); + mulq(cr,dc,&dc); + t_a += get_rtime()-t_0; + if ( GenTrace ) { + ARG3(BDY(hist)) = (pointer)ONE; + MKNODE(node,hist,TraceList); TraceList = node; + } + } + } else if ( !full ) { + if ( rp ) { + MKDP(rp->nv,BDY(rp),t); t->sugar = sugar; rp = t; + } + *r = rp; + goto final; + } else { + t_0 = get_rtime(); + mulq((Q)BDY(rp)->c,rc,&c); + igcd_cofactor(dc,c,&dc,&dcq,&cq); + muldc(CO,dp,(P)dcq,&t); + dp_hm(rp,&t1); BDY(t1)->c = (P)cq; addd(CO,t,t1,&dp); + dp_rest(rp,&rp); + t_a += get_rtime()-t_0; + } + } + if ( GenTrace ) { + mulq(ARG3(BDY((LIST)BDY(TraceList))),dc,&cq); + ARG3(BDY((LIST)BDY(TraceList))) = (pointer)cq; + } + if ( dp ) + dp->sugar = sugar; + *r = dp; +final: + if ( DP_NFStat ) + fprintf(asir_out, + "(%.3g %.3g %.3g %.3g %.3g %.3g %.3g %.3g)", + t_p,t_m,t_g,t_a, + pz_t_e, pz_t_d, pz_t_d1, pz_t_c); } -void dp_gcd(p1,p2,rp) -DP p1,p2; -DP *rp; +void imulv(); + +void dp_imul_d(DP p,Q q,DP *rp) { - int i,n,td; - DL d1,d2,d; + int nsep,ndist,i,j,k,l,n; + double t0,t1,t2; + Q *s; + pointer *b; + VECT c,cs,ri; + VECT *r; MP m; - DP s; + NODE tn,dist,n0; + Obj obj; + STRING imul; + extern LIST Dist; - n = p1->nv; d1 = BDY(p1)->dl; d2 = BDY(p2)->dl; - NEWDL(d,n); - for ( i = 0, td = 0; i < n; i++ ) { - d->d[i] = MIN(d1->d[i],d2->d[i]); - td += d->d[i]; + if ( !p || !q ) { + *rp = 0; return; } - d->td = td; - NEWMP(m); m->dl = d; m->c = (P)ONE; NEXT(m) = 0; MKDP(n,m,s); s->sugar = d->td; - *rp = s; + dist = BDY(Dist); + for ( tn = dist, ndist = 0; tn; tn = NEXT(tn), ndist++ ); + nsep = ndist + 1; + for ( m = BDY(p), n = 0; m; m = NEXT(m), n++ ); + if ( n <= nsep ) { + muldc(CO,p,(P)q,rp); return; + } + MKSTR(imul,"imulv"); + t0 = get_rtime(); + dp_dtov(p,&c); + sepvect(c,nsep,&cs); + r = (VECT *)CALLOC(nsep,sizeof(VECT *)); + for ( i = 0, tn = dist, b = BDY(cs); i < ndist; i++, tn = NEXT(tn) ) { + n0 = mknode(4,BDY(tn),imul,b[i],q); + Pox_rpc(n0,&obj); + } + t1 = get_rtime(); + im_t_s += t1 - t0; + imulv(b[i],q,&r[i]); + t1 = get_rtime(); + for ( i = 0, tn = dist; i < ndist; i++, tn = NEXT(tn) ) { + MKNODE(n0,BDY(tn),0); + Pox_pop_local(n0,&obj); r[i] = (VECT)obj; + if ( OID(r[i]) == O_ERR ) { + printexpr(CO,(Obj)r[i]); + error("dp_imul_d : aborted"); + } + } + t2 = get_rtime(); + im_t_r += t2 - t1; + s = (Q *)CALLOC(n,sizeof(Q)); + for ( i = j = 0; i < nsep; i++ ) { + for ( k = 0, ri = r[i], l = ri->len; k < l; k++, j++ ) { + s[j] = (Q)BDY(ri)[k]; + } + } + dp_vtod(s,p,rp); } -void monomial_gcd(p,rp) -DP p; -DP *rp; +void imulv(VECT w,Q c,VECT *rp) { - int n,i,td; - DL d,d1; - MP m; - DP s; + int n,i; + VECT r; - n = p->nv; m = BDY(p); d = m->dl; - NEWDL(d1,n); + n = w->len; + MKVECT(r,n); *rp = r; for ( i = 0; i < n; i++ ) - d1->d[i] = d->d[i]; - for ( m = NEXT(m); m; m = NEXT(m) ) { - d = m->dl; - for ( i = 0; i < n; i++ ) - d1->d[i] = MIN(d1->d[i],d->d[i]); + mulq((Q)BDY(w)[i],(Q)c,(Q *)&BDY(r)[i]); +} + +void dptoca(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)); } - for ( i = 0, td = 0; i < n; i++ ) - td += d1->d[i]; - NEWMP(m); m->dl = d1; m->c = (P)ONE; NEXT(m) = 0; MKDP(n,m,s); s->sugar = d->td; - *rp = s; } -#endif +