| version 1.4, 2003/05/01 01:58:05 |
version 1.6, 2003/09/12 02:52:50 |
|
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| /* $OpenXM: OpenXM/src/kan96xx/Kan/sugar.c,v 1.3 2001/05/04 01:06:25 takayama Exp $ */ |
/* $OpenXM: OpenXM/src/kan96xx/Kan/sugar.c,v 1.5 2003/08/21 02:30:23 takayama Exp $ */ |
| #include <stdio.h> |
#include <stdio.h> |
| #include "datatype.h" |
#include "datatype.h" |
| #include "extern2.h" |
#include "extern2.h" |
|
|
| /* static int DebugReduction = 0; |
/* static int DebugReduction = 0; |
| */ |
*/ |
| extern DebugReductionRed; |
extern DebugReductionRed; |
| |
extern DebugContentReduction; |
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extern Ecart; |
| |
|
| POLY reduction_sugar(POLY f,struct gradedPolySet *gset,int needSyz, |
POLY reduction_sugar(POLY f,struct gradedPolySet *gset,int needSyz, |
| struct syz0 *syzp,int sugarGrade) |
struct syz0 *syzp,int sugarGrade) |
| Line 24 POLY reduction_sugar(POLY f,struct gradedPolySet *gset |
|
| Line 26 POLY reduction_sugar(POLY f,struct gradedPolySet *gset |
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| |
|
| extern struct ring *CurrentRingp; |
extern struct ring *CurrentRingp; |
| struct ring *rp; |
struct ring *rp; |
| |
extern DoCancel; |
| |
|
| |
if (Ecart) return reduction_ecart(f,gset,needSyz,syzp); |
| if (needSyz) { |
if (needSyz) { |
| if (f ISZERO) { rp = CurrentRingp; } else { rp = f->m->ringp; } |
if (f ISZERO) { rp = CurrentRingp; } else { rp = f->m->ringp; } |
| cf = cxx(1,0,0,rp); |
cf = cxx(1,0,0,rp); |
| syz = ZERO; |
syz = ZERO; |
| } |
} |
| |
|
| |
if (needSyz && DoCancel) { |
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warningGradedSet("needSyz is not supported when DoCancel is turned on. DoCancel is set to 0.\n"); |
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DoCancel = 0; |
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} |
| |
if (DoCancel && (f != POLYNULL)) shouldReduceContent(f,1); |
| |
|
| reduced = 0; /* no */ |
reduced = 0; /* no */ |
| /* Take minimum */ |
/* Take minimum */ |
| gradelimit = (gset->maxGrade < sugarGrade+1 ?gset->maxGrade: sugarGrade+1); |
gradelimit = (gset->maxGrade < sugarGrade+1 ?gset->maxGrade: sugarGrade+1); |
| Line 48 POLY reduction_sugar(POLY f,struct gradedPolySet *gset |
|
| Line 58 POLY reduction_sugar(POLY f,struct gradedPolySet *gset |
|
| /* Reduce if and only if sugarGrade does not increase. */ |
/* Reduce if and only if sugarGrade does not increase. */ |
| if (tdegm+grd <= sugarGrade) { |
if (tdegm+grd <= sugarGrade) { |
| f = reduction1_sugar(f,set->g[i],needSyz,&cc,&cg,sugarGrade); |
f = reduction1_sugar(f,set->g[i],needSyz,&cc,&cg,sugarGrade); |
| |
|
| |
if (DoCancel && (f != POLYNULL)) { |
| |
if (shouldReduceContent(f,0)) { |
| |
struct coeff *cont; |
| |
f = reduceContentOfPoly(f,&cont); |
| |
shouldReduceContent(f,1); |
| |
if (DebugContentReduction) printf("CONT=%s ",coeffToString(cont)); |
| |
} |
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} |
| |
|
| if (needSyz) { |
if (needSyz) { |
| cf = ppMult(cc,cf); |
cf = ppMult(cc,cf); |
| syz = cpMult(toSyzCoeff(cc),syz); |
syz = cpMult(toSyzCoeff(cc),syz); |
| Line 67 POLY reduction_sugar(POLY f,struct gradedPolySet *gset |
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| Line 87 POLY reduction_sugar(POLY f,struct gradedPolySet *gset |
|
| 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 */ |
| } |
} |
| |
|
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if (DoCancel && (f != POLYNULL)) { |
| |
if (f->m->ringp->p == 0) { |
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struct coeff *cont; |
| |
f = reduceContentOfPoly(f,&cont); |
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if (DebugContentReduction) printf("cont=%s ",coeffToString(cont)); |
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} |
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} |
| |
|
| return(f); |
return(f); |
| } |
} |
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