version 1.8, 2003/08/19 08:02:10 |
version 1.12, 2003/08/24 05:19:42 |
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/* $OpenXM: OpenXM/src/kan96xx/Kan/poly4.c,v 1.7 2003/07/19 06:03:57 takayama Exp $ */ |
/* $OpenXM: OpenXM/src/kan96xx/Kan/poly4.c,v 1.11 2003/08/23 02:28:38 takayama Exp $ */ |
#include <stdio.h> |
#include <stdio.h> |
#include "datatype.h" |
#include "datatype.h" |
#include "stackm.h" |
#include "stackm.h" |
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static void shell(int v[],int n); |
static void shell(int v[],int n); |
static int degreeOfPrincipalPart(POLY f); |
static int degreeOfPrincipalPart(POLY f); |
static int degreeOfInitW(POLY f,int w[]); |
static int degreeOfInitW(POLY f,int w[]); |
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static int degreeOfInitWS(POLY f,int w[],int s[]); |
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static void shell(v,n) |
static void shell(v,n) |
Line 437 POLY POLYToInitW(f,w) |
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Line 438 POLY POLYToInitW(f,w) |
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POLY f; |
POLY f; |
int w[]; /* weight vector */ |
int w[]; /* weight vector */ |
{ |
{ |
POLY node; |
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struct listPoly nod; |
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POLY h; |
POLY h; |
POLY g; |
POLY g; |
int maxd; |
int maxd; |
int dd; |
int dd; |
node = &nod; node->next = POLYNULL; h = node; |
h = POLYNULL; |
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/*printf("1:%s\n",POLYToString(f,'*',1));*/ |
if (f ISZERO) return(f); |
if (f ISZERO) return(f); |
maxd = degreeOfInitW(f,w); |
maxd = degreeOfInitW(f,w); |
g = pCopy(f); /* shallow copy */ |
g = f; |
while (!(f ISZERO)) { |
while (!(f ISZERO)) { |
dd = degreeOfInitW(f,w); |
dd = degreeOfInitW(f,w); |
if (dd > maxd) maxd = dd; |
if (dd > maxd) maxd = dd; |
Line 456 POLY POLYToInitW(f,w) |
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Line 456 POLY POLYToInitW(f,w) |
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while (!(g ISZERO)) { |
while (!(g ISZERO)) { |
dd = degreeOfInitW(g,w); |
dd = degreeOfInitW(g,w); |
if (dd == maxd) { |
if (dd == maxd) { |
h->next = g; |
h = ppAdd(h,newCell(g->coeffp,g->m)); /* it might be slow. */ |
h = h->next; |
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} |
} |
g = g->next; |
g = g->next; |
} |
} |
h->next = POLYNULL; |
/*printf("2:%s\n",POLYToString(h,'*',1));*/ |
return(node->next); |
return(h); |
} |
} |
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static int degreeOfInitWS(f,w,s) |
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POLY f; |
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int w[]; |
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int s[]; |
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{ |
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int n,i,dd; |
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if (f ISZERO) { |
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errorPoly("degreeOfInitWS(0,w) "); |
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} |
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if (s == (int *) NULL) return degreeOfInitW(f,w); |
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n = f->m->ringp->n; dd = 0; |
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for (i=0; i<n-1; i++) { |
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dd += (f->m->e[i].D)*w[n+i]; |
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dd += (f->m->e[i].x)*w[i]; |
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} |
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dd += s[(f->m->e[n-1].x)]; |
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return(dd); |
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} |
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POLY POLYToInitWS(f,w,s) |
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POLY f; |
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int w[]; /* weight vector */ |
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int s[]; /* shift vector */ |
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{ |
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POLY h; |
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POLY g; |
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int maxd; |
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int dd; |
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h = POLYNULL; |
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/*printf("1s:%s\n",POLYToString(f,'*',1));*/ |
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if (f ISZERO) return(f); |
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maxd = degreeOfInitWS(f,w,s); |
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g = f; |
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while (!(f ISZERO)) { |
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dd = degreeOfInitWS(f,w,s); |
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if (dd > maxd) maxd = dd; |
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f = f->next; |
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} |
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while (!(g ISZERO)) { |
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dd = degreeOfInitWS(g,w,s); |
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if (dd == maxd) { |
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h = ppAdd(h,newCell(g->coeffp,g->m)); /* it might be slow. */ |
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} |
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g = g->next; |
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} |
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/*printf("2s:%s\n",POLYToString(h,'*',1));*/ |
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return(h); |
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} |
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int ordWsAll(f,w,s) |
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POLY f; |
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int w[]; /* weight vector */ |
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int s[]; /* shift vector */ |
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{ |
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int maxd; |
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int dd; |
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if (f ISZERO) errorPoly("ordWsAll(0,w,s) "); |
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maxd = degreeOfInitWS(f,w,s); |
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while (!(f ISZERO)) { |
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dd = degreeOfInitWS(f,w,s); |
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if (dd > maxd) maxd = dd; |
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f = f->next; |
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} |
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return maxd; |
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} |
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/* |
/* |
1.The substitution "ringp->multiplication = ...." is allowed only in |
1.The substitution "ringp->multiplication = ...." is allowed only in |
KsetUpRing(), so the check in KswitchFunction is not necessary. |
KsetUpRing(), so the check in KswitchFunction is not necessary. |
Line 539 int isTheSameRing(struct ring *rstack[],int rp, struct |
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Line 606 int isTheSameRing(struct ring *rstack[],int rp, struct |
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/* s->1 */ |
/* s->1 */ |
POLY goDeHomogenizeS(POLY f) { |
POLY goDeHomogenizeS(POLY f) { |
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POLY lRule[1]; |
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POLY rRule[1]; |
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struct ring *rp; |
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POLY ans; |
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/* printf("1:[%s]\n",POLYToString(f,'*',1)); */ |
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if (f == POLYNULL) return f; |
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rp = f->m->ringp; |
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if (rp->next == NULL) { |
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lRule[0] = cxx(1,0,1,rp); |
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rRule[0] = cxx(1,0,0,rp); |
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ans=replace(f,lRule,rRule,1); |
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}else{ |
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struct coeff *cp; |
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POLY t; |
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POLY nc; |
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ans = POLYNULL; |
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while (f != POLYNULL) { |
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cp = f->coeffp; |
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if (cp->tag == POLY_COEFF) { |
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t = goDeHomogenizeS((cp->val).f); |
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nc = newCell(polyToCoeff(t,f->m->ringp),monomialCopy(f->m)); |
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ans = ppAddv(ans,nc); |
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f = f->next; |
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}else{ |
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ans = f; break; |
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} |
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} |
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} |
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/* printf("2:[%s]\n",POLYToString(ans,'*',1)); */ |
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return ans; |
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} |
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POLY goDeHomogenizeS_buggy(POLY f) { |
POLY node; |
POLY node; |
POLY lastf; |
POLY lastf; |
struct listPoly nod; |
struct listPoly nod; |
Line 546 POLY goDeHomogenizeS(POLY f) { |
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Line 646 POLY goDeHomogenizeS(POLY f) { |
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POLY tf; |
POLY tf; |
int gt,first; |
int gt,first; |
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printf("1:[%s]\n",POLYToString(f,'*',1)); |
if (f == POLYNULL) return(POLYNULL); |
if (f == POLYNULL) return(POLYNULL); |
node = &nod; |
node = &nod; |
node->next = POLYNULL; |
node->next = POLYNULL; |
Line 575 POLY goDeHomogenizeS(POLY f) { |
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Line 676 POLY goDeHomogenizeS(POLY f) { |
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} |
} |
f = f->next; |
f = f->next; |
} |
} |
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printf("2:[%s]\n",POLYToString(node->next,'*',1)); |
return (node->next); |
return (node->next); |
} |
} |
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Line 598 POLY goHomogenize(POLY f,int u[],int v[],int ds[],int |
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Line 700 POLY goHomogenize(POLY f,int u[],int v[],int ds[],int |
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message = 1; |
message = 1; |
if (f == POLYNULL) return(POLYNULL); |
if (f == POLYNULL) return(POLYNULL); |
rp = f->m->ringp; |
rp = f->m->ringp; |
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/* |
if ((rp->degreeShiftSize == 0) && (dssize > 0)) { |
if ((rp->degreeShiftSize == 0) && (dssize > 0)) { |
warningPoly("You are trying to homogenize a polynomial with degree shift. However, the polynomial belongs to the ring without degreeShift option. It may cause a trouble in comparison in free module.\n"); |
warningPoly("You are trying to homogenize a polynomial with degree shift. However, the polynomial belongs to the ring without degreeShift option. It may cause a trouble in comparison in free module.\n"); |
} |
} |
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*/ |
node = &nod; |
node = &nod; |
node->next = POLYNULL; |
node->next = POLYNULL; |
lastf = POLYNULL; |
lastf = POLYNULL; |
Line 652 POLY goHomogenize(POLY f,int u[],int v[],int ds[],int |
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Line 756 POLY goHomogenize(POLY f,int u[],int v[],int ds[],int |
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h = node->next; |
h = node->next; |
/*go-debug printf("m=%d, mp=%d\n",m,mp); */ |
/*go-debug printf("m=%d, mp=%d\n",m,mp); */ |
while (h != POLYNULL) { |
while (h != POLYNULL) { |
/*go-debug printf("Old: h=%d, s=%d\n",h->m->e[0].D,h->m->e[0].x); */ |
/*go-debug printf("Old: h=%d, s=%d\n",h->m->e[0].D,h->m->e[0].x); */ |
if (!onlyS) h->m->e[0].D += m; /* h */ |
if (!onlyS) h->m->e[0].D += m; /* h */ |
h->m->e[0].x += -mp; /* H, s*/ |
h->m->e[0].x += -mp; /* H, s*/ |
/*go-debug printf("New: h=%d, s=%d\n",h->m->e[0].D,h->m->e[0].x); */ |
/*go-debug printf("New: h=%d, s=%d\n",h->m->e[0].D,h->m->e[0].x); */ |