version 1.10, 2003/08/20 05:18:35 |
version 1.11, 2003/08/21 02:30:23 |
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/* $OpenXM: OpenXM/src/kan96xx/Kan/ecart.c,v 1.9 2003/08/20 01:39:17 takayama Exp $ */ |
/* $OpenXM: OpenXM/src/kan96xx/Kan/ecart.c,v 1.10 2003/08/20 05:18:35 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); |
static int shouldReduceContent(POLY f,int ss); |
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extern int DebugReductionRed; |
extern int DebugReductionRed; |
extern int TraceLift; |
extern int TraceLift; |
struct ring *TraceLift_ringmod; |
struct ring *TraceLift_ringmod; |
extern DoCancel; |
extern DoCancel; |
int DebugReductionEcart = 0; |
int DebugReductionEcart = 0; |
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extern DebugContentReduction; |
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/* This is used for goHomogenization */ |
/* This is used for goHomogenization */ |
extern int DegreeShifto_size; |
extern int DegreeShifto_size; |
Line 450 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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Line 450 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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if (shouldReduceContent(r,0)) { |
if (shouldReduceContent(r,0)) { |
r = reduceContentOfPoly(r,&cont); |
r = reduceContentOfPoly(r,&cont); |
shouldReduceContent(r,1); |
shouldReduceContent(r,1); |
if (DebugReductionEcart || DebugReductionRed) printf("CONT=%d ",coeffToString(cont)); |
if (DebugReductionEcart || DebugReductionRed || DebugContentReduction) printf("CONT=%s ",coeffToString(cont)); |
} |
} |
} |
} |
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Line 482 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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Line 482 static POLY reduction_ecart1(r,gset,needSyz,syzp) |
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r = goDeHomogenizeS(r); |
r = goDeHomogenizeS(r); |
if (DoCancel && (r != POLYNULL)) { /* BUG: syzygy should be corrected. */ |
if (DoCancel && (r != POLYNULL)) { /* BUG: syzygy should be corrected. */ |
if (r->m->ringp->p == 0) { |
if (r->m->ringp->p == 0) { |
if (coeffSizeMin(r) >= DoCancel) { |
r = reduceContentOfPoly(r,&cont); |
r = reduceContentOfPoly(r,&cont); |
if (DebugReductionEcart || DebugReductionRed || DebugContentReduction) printf("cont=%s ",coeffToString(cont)); |
if (DebugReductionEcart || DebugReductionRed) printf("cont=%d ",coeffToString(cont)); |
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} |
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} |
} |
} |
} |
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Line 637 static POLY reduction_ecart1_mod(r,gset) |
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Line 635 static POLY reduction_ecart1_mod(r,gset) |
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return(r); |
return(r); |
} |
} |
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static int shouldReduceContent(POLY f,int ss) { |
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static int prevSize = 1; |
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int size; |
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if (f == POLYNULL) return 0; |
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if (f->m->ringp->p != 0) return 0; |
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if (f->coeffp->tag != MP_INTEGER) return 0; |
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size = mpz_size(f->coeffp->val.bigp); |
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if (ss > 0) { |
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prevSize = size; |
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return 0; |
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} |
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if (size > 2*prevSize) { |
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return 1; |
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}else{ |
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return 0; |
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} |
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} |
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