version 1.14, 2003/08/26 05:06:01 |
version 1.17, 2003/09/10 07:41:25 |
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/* $OpenXM: OpenXM/src/kan96xx/Kan/ecart.c,v 1.13 2003/08/22 01:02:45 takayama Exp $ */ |
/* $OpenXM: OpenXM/src/kan96xx/Kan/ecart.c,v 1.16 2003/08/27 03:11:12 takayama Exp $ */ |
#include <stdio.h> |
#include <stdio.h> |
#include "datatype.h" |
#include "datatype.h" |
#include "extern2.h" |
#include "extern2.h" |
Line 36 static POLY reduction_ecart1(POLY r,struct gradedPolyS |
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Line 36 static POLY reduction_ecart1(POLY r,struct gradedPolyS |
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static POLY reduction_ecart1_mod(POLY r,struct gradedPolySet *gset); |
static POLY reduction_ecart1_mod(POLY r,struct gradedPolySet *gset); |
static POLY ecartCheckSyz0(POLY cf,POLY r_0,POLY syz, |
static POLY ecartCheckSyz0(POLY cf,POLY r_0,POLY syz, |
struct gradedPolySet *gg,POLY r); |
struct gradedPolySet *gg,POLY r); |
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static void ecartCheckSyz0_printinfo(POLY cf,POLY r_0,POLY syz, |
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struct gradedPolySet *gg,POLY r); |
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extern int DebugReductionRed; |
extern int DebugReductionRed; |
extern int TraceLift; |
extern int TraceLift; |
Line 67 static POLY ecartDivideSv(POLY r,int *d) { |
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Line 69 static POLY ecartDivideSv(POLY r,int *d) { |
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} |
} |
r = r->next; |
r = r->next; |
} |
} |
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if (k > 0) { |
if (k > 0) { |
*d = k; |
*d = k; |
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return ppMult(cxx(1,0,-k,f->m->ringp),f); |
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}else{ |
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return f; |
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} |
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/* Do not do the below. It caused a bug. cf. misc-2003/07/ecart/b4.sm1 test2. |
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Note. 2003.8.26 |
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*/ |
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/* |
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if (k > 0) { |
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*d = k; |
f = r; |
f = r; |
while (r != POLYNULL) { |
while (r != POLYNULL) { |
r->m->e[0].x -= k; |
r->m->e[0].x -= k; |
Line 76 static POLY ecartDivideSv(POLY r,int *d) { |
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Line 90 static POLY ecartDivideSv(POLY r,int *d) { |
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} |
} |
} |
} |
return f; |
return f; |
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*/ |
} |
} |
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static int ecartGetEll(POLY f,POLY g) { |
static int ecartGetEll(POLY f,POLY g) { |
Line 240 static POLY ecartCheckSyz0(POLY cf,POLY r_0,POLY syz, |
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Line 255 static POLY ecartCheckSyz0(POLY cf,POLY r_0,POLY syz, |
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return f; |
return f; |
} |
} |
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static void ecartCheckSyz0_printinfo(POLY cf,POLY r_0,POLY syz, |
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struct gradedPolySet *gg,POLY r) |
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{ |
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POLY f; |
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int grd,i; |
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POLY q; |
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struct coeff *c; |
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fprintf(stderr,"cf=%s\n",POLYToString(cf,'*',1)); |
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fprintf(stderr,"r_0=%s\n",POLYToString(r_0,'*',1)); |
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fprintf(stderr,"syz=%s\n",POLYToString(syz,'*',1)); |
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fprintf(stderr,"r=%s\n",POLYToString(r,'*',1)); |
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f = ppMult(cf,r_0); |
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while (syz != POLYNULL) { |
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grd = syz->m->e[0].x; |
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i = syz->m->e[0].D; |
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c = syz->coeffp; |
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if (c->tag == POLY_COEFF) { |
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q = c->val.f; |
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}else{ |
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q = POLYNULL; |
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} |
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fprintf(stderr,"[grd,idx]=[%d,%d], %s\n",grd,i, |
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POLYToString(((gg->polys[grd])->g)[i],'*',1)); |
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/* f = ppAdd(f,ppMult(q,((gg->polys[grd])->g)[i])); */ |
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syz = syz->next; |
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} |
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/* f = ppSub(f,r); */ |
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} |
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POLY reduction_ecart(r,gset,needSyz,syzp) |
POLY reduction_ecart(r,gset,needSyz,syzp) |
POLY r; |
POLY r; |
struct gradedPolySet *gset; |
struct gradedPolySet *gset; |
Line 297 static POLY reduction_ecart0(r,gset,needSyz,syzp) |
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Line 341 static POLY reduction_ecart0(r,gset,needSyz,syzp) |
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POLY cf_o; |
POLY cf_o; |
POLY syz_o; |
POLY syz_o; |
POLY r_0; |
POLY r_0; |
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int se; |
struct coeff *cont; |
struct coeff *cont; |
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extern struct ring *CurrentRingp; |
extern struct ring *CurrentRingp; |
Line 340 static POLY reduction_ecart0(r,gset,needSyz,syzp) |
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Line 385 static POLY reduction_ecart0(r,gset,needSyz,syzp) |
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if (DebugReductionEcart & 4) printf("#"); |
if (DebugReductionEcart & 4) printf("#"); |
pp = (gg->pa)[ells.ggi]; |
pp = (gg->pa)[ells.ggi]; |
} |
} |
if (ell > 0) r = mpMult(cxx(1,0,ell,rp),r); /* r = s^ell r */ |
if (ell > 0) r = ppMult(cxx(1,0,ell,rp),r); /* r = s^ell r */ |
r = (*reduction1)(r,pp,needSyz,&cc,&cg); |
r = (*reduction1)(r,pp,needSyz,&cc,&cg); |
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if (DoCancel && (r != POLYNULL)) { |
if (DoCancel && (r != POLYNULL)) { |
Line 373 static POLY reduction_ecart0(r,gset,needSyz,syzp) |
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Line 418 static POLY reduction_ecart0(r,gset,needSyz,syzp) |
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tp = ecartCheckSyz0(cf,r_0,syz,gset,r); |
tp = ecartCheckSyz0(cf,r_0,syz,gset,r); |
if (tp != POLYNULL) { |
if (tp != POLYNULL) { |
fprintf(stderr,"reduction_ecart0(): sygyzy is broken. Return the Current values.\n"); |
fprintf(stderr,"reduction_ecart0(): sygyzy is broken. Return the Current values.\n"); |
fprintf(stderr,"%s\n",POLYToString(tp,'*',1)); |
fprintf(stderr,"tp=%s\n",POLYToString(tp,'*',1)); |
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ecartCheckSyz0_printinfo(cf,r_0,syz,gset,r); |
syzp->cf = cf; |
syzp->cf = cf; |
syzp->syz = syz; |
syzp->syz = syz; |
return r; |
return r; |
Line 381 static POLY reduction_ecart0(r,gset,needSyz,syzp) |
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Line 427 static POLY reduction_ecart0(r,gset,needSyz,syzp) |
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} |
} |
} |
} |
if (r ISZERO) goto ss; |
if (r ISZERO) goto ss; |
/*r = ecartDivideSv(r,&se); r = r/s^? Don't do this. */ |
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/* r = r/s^? Don't do this?? */ |
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r = ecartDivideSv(r,&se); |
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if (needSyz && (se > 0)) { |
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POLY tt; |
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tt = cxx(1,0,-se,rp); |
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cf = ppMult(tt,cf); |
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syz = cpMult(toSyzCoeff(tt),syz); |
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} |
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} |
} |
}while (ell >= 0); |
}while (ell >= 0); |
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ss: ; |
ss: ; |
if (needSyz) { |
if (needSyz) { |
syzp->cf = cf; /* cf is in the CurrentRingp */ |
syzp->cf = cf; /* cf is in the ring of r */ |
syzp->syz = syz; /* syz is in the SyzRingp */ |
syzp->syz = syz; /* syz is in the syzRing of r */ |
} |
} |
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if (DoCancel && (r != POLYNULL)) { |
if (DoCancel && (r != POLYNULL)) { |
Line 462 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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Line 517 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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ell = ells.ell; |
ell = ells.ell; |
if (ell > 0) { |
if (ell > 0) { |
if (DebugReductionEcart & 2) printf("%"); |
if (DebugReductionEcart & 2) printf("%"); |
if (needSyz) { |
if (needSyz) { |
gg = ecartPutPolyInG(r,gg,cf,syz); |
gg = ecartPutPolyInG(r,gg,cf,syz); |
}else{ |
}else{ |
gg = ecartPutPolyInG(r,gg,POLYNULL,POLYNULL); |
gg = ecartPutPolyInG(r,gg,POLYNULL,POLYNULL); |
} |
} |
} |
} |
if (ell >= 0) { |
if (ell >= 0) { |
if (ells.first) { |
if (ells.first) { |
Line 475 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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Line 530 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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if (DebugReductionEcart & 4) {printf("+"); fflush(NULL);} |
if (DebugReductionEcart & 4) {printf("+"); fflush(NULL);} |
pp = (gg->pa)[ells.ggi]; |
pp = (gg->pa)[ells.ggi]; |
} |
} |
if (ell > 0) r = mpMult(cxx(1,0,ell,rp),r); /* r = s^ell r */ |
if (ell > 0) r = ppMult(cxx(1,0,ell,rp),r); /* r = s^ell r */ |
r = (*reduction1)(r,pp,needSyz,&cc,&cg); |
r = (*reduction1)(r,pp,needSyz,&cc,&cg); |
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if (DoCancel && (r != POLYNULL)) { |
if (DoCancel && (r != POLYNULL)) { |
Line 488 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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Line 543 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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if (needSyz) { |
if (needSyz) { |
if (ells.first) { |
if (ells.first) { |
if (ell > 0) cc = ppMult(cc,cxx(1,0,ell,rp)); |
if (ell > 0) cc = ppMult(cc,cxx(1,0,ell,rp)); |
cf = ppMult(cc,cf); |
cf = ppMult(cc,cf); |
syz = cpMult(toSyzCoeff(cc),syz); |
syz = cpMult(toSyzCoeff(cc),syz); |
syz = ppAddv(syz,toSyzPoly(cg,ells.grade,ells.gseti)); |
syz = ppAdd(syz,toSyzPoly(cg,ells.grade,ells.gseti)); |
}else{ |
}else{ |
if (ell >0) cc = ppMult(cc,cxx(1,0,ell,rp)); |
if (ell >0) cc = ppMult(cc,cxx(1,0,ell,rp)); |
cf_o = (gg->cf)[ells.ggi]; |
cf_o = (gg->cf)[ells.ggi]; |
Line 507 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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Line 562 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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if (DebugReductionRed) { |
if (DebugReductionRed) { |
POLY tp; |
POLY tp; |
tp = ecartCheckSyz0(cf,r_0,syz,gset,r); |
tp = ecartCheckSyz0(cf,r_0,syz,gset,r); |
tp = goDeHomogenizeS(tp); |
tp = goDeHomogenizeS(tp); |
if (tp != POLYNULL) { |
if (tp != POLYNULL) { |
fprintf(stderr,"reduction_ecart1(): sygyzy is broken. Return the Current values.\n"); |
fprintf(stderr,"Error: reduction_ecart1(): sygyzy is broken. Return the Current values.\n"); |
fprintf(stderr,"%s\n",POLYToString(tp,'*',1)); |
fprintf(stderr,"%s\n",POLYToString(tp,'*',1)); |
syzp->cf = cf; |
syzp->cf = cf; |
syzp->syz = syz; |
syzp->syz = syz; |
Line 519 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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Line 574 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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if (r ISZERO) goto ss1; |
if (r ISZERO) goto ss1; |
r = ecartDivideSv(r,&se); /* r = r/s^? */ |
r = ecartDivideSv(r,&se); /* r = r/s^? */ |
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if (needSyz && (se > 0)) { /* It may not necessary because of dehomo*/ |
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POLY tt; |
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/*printf("!1/H!"); fflush(NULL);*/ /* misc-2003/ecart/t1.sm1 foo4 */ |
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tt = cxx(1,0,-se,rp); |
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cf = ppMult(tt,cf); |
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syz = cpMult(toSyzCoeff(tt),syz); |
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} |
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/* For debug */ |
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if (DebugReductionRed && needSyz) { |
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POLY tp; |
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tp = ecartCheckSyz0(cf,r_0,syz,gset,r); |
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tp = goDeHomogenizeS(tp); |
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if (tp != POLYNULL) { |
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fprintf(stderr,"Error: reduction_ecart1() after divide: sygyzy is broken. Return the Current values.\n"); |
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fprintf(stderr,"%s\n",POLYToString(tp,'*',1)); |
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syzp->cf = cf; |
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syzp->syz = syz; |
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return r; |
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} |
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} |
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} |
} |
}while (ell >= 0); |
}while (ell >= 0); |
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ss1: ; |
ss1: ; |
if (needSyz) { |
if (needSyz) { |
/* dehomogenize the syzygy. BUG, this may be inefficient. */ |
/* dehomogenize the syzygy. BUG, this may be inefficient. */ |
cf = goDeHomogenizeS(cf); |
cf = goDeHomogenizeS(cf); |
syz = goDeHomogenizeS(syz); |
syz = goDeHomogenizeS(syz); |
/*printf("cf=%s\n",POLYToString(cf,'*',1)); |
/*printf("cf=%s\n",POLYToString(cf,'*',1)); |
printf("syz=%s\n",POLYToString(syz,'*',1));*/ |
printf("syz=%s\n",POLYToString(syz,'*',1));*/ |
syzp->cf = cf; /* cf is in the CurrentRingp */ |
syzp->cf = cf; /* cf is in the CurrentRingp */ |
syzp->syz = syz; /* syz is in the SyzRingp */ |
syzp->syz = syz; /* syz is in the SyzRingp */ |
} |
} |
Line 536 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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Line 614 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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r = goDeHomogenizeS(r); |
r = goDeHomogenizeS(r); |
if (DoCancel && (r != POLYNULL)) { |
if (DoCancel && (r != POLYNULL)) { |
if (r->m->ringp->p == 0) { |
if (r->m->ringp->p == 0) { |
r = reduceContentOfPoly(r,&cont); |
r = reduceContentOfPoly(r,&cont); |
if (DebugReductionEcart || DebugReductionRed || DebugContentReduction) printf("cont=%s ",coeffToString(cont)); |
if (DebugReductionEcart || DebugReductionRed || DebugContentReduction) printf("cont=%s ",coeffToString(cont)); |
} |
} |
} |
} |
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/* For debug */ |
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if (DebugReductionRed && needSyz) { |
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POLY tp; |
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tp = ecartCheckSyz0(cf,r_0,syz,gset,r); |
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tp = goDeHomogenizeS(tp); |
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if (tp != POLYNULL) { |
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fprintf(stderr,"Error: reduction_ecart1() last step: sygyzy is broken. Return the Current values.\n"); |
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fprintf(stderr,"%s\n",POLYToString(tp,'*',1)); |
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syzp->cf = cf; |
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syzp->syz = syz; |
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return r; |
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} |
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} |
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return(r); |
return(r); |
} |
} |
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Line 653 static POLY reduction_ecart1_mod(r,gset) |
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Line 745 static POLY reduction_ecart1_mod(r,gset) |
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KshowRing(TraceLift_ringmod); **/ |
KshowRing(TraceLift_ringmod); **/ |
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r = modulop(r,TraceLift_ringmod); |
r = modulop(r,TraceLift_ringmod); |
rp = r->m->ringp; /* reset rp */ |
if (r != POLYNULL) rp = r->m->ringp; /* reset rp */ |
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/* printf("r=%s (mod p)\n",POLYToString(head(r),'*',1)); **/ |
/* printf("r=%s (mod p)\n",POLYToString(head(r),'*',1)); **/ |
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Line 675 static POLY reduction_ecart1_mod(r,gset) |
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Line 767 static POLY reduction_ecart1_mod(r,gset) |
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if (DebugReductionEcart & 4) {printf("+"); fflush(NULL);} |
if (DebugReductionEcart & 4) {printf("+"); fflush(NULL);} |
pp = (gg->pa)[ells.ggi]; |
pp = (gg->pa)[ells.ggi]; |
} |
} |
if (ell > 0) r = mpMult(cxx(1,0,ell,rp),r); /* r = s^ell r */ |
if (ell > 0) r = ppMult(cxx(1,0,ell,rp),r); /* r = s^ell r */ |
r = (*reduction1)(r,pp,0,&cc,&cg); |
r = (*reduction1)(r,pp,0,&cc,&cg); |
if (r ISZERO) goto ss1; |
if (r ISZERO) goto ss1; |
r = ecartDivideSv(r,&se); /* r = r/s^? */ |
r = ecartDivideSv(r,&se); /* r = r/s^? */ |