version 1.1, 1999/10/08 02:12:02 |
version 1.7, 2003/07/19 06:03:57 |
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/* $OpenXM: OpenXM/src/kan96xx/Kan/poly4.c,v 1.6 2003/07/17 07:33:03 takayama Exp $ */ |
#include <stdio.h> |
#include <stdio.h> |
#include "datatype.h" |
#include "datatype.h" |
#include "stackm.h" |
#include "stackm.h" |
Line 10 static int degreeOfInitW(POLY f,int w[]); |
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Line 11 static int degreeOfInitW(POLY f,int w[]); |
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static void shell(v,n) |
static void shell(v,n) |
int v[]; |
int v[]; |
int n; |
int n; |
{ |
{ |
int gap,i,j,temp; |
int gap,i,j,temp; |
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for (gap = n/2; gap > 0; gap /= 2) { |
for (gap = n/2; gap > 0; gap /= 2) { |
for (i = gap; i<n; i++) { |
for (i = gap; i<n; i++) { |
for (j=i-gap ; j>=0 && v[j]<v[j+gap]; j -= gap) { |
for (j=i-gap ; j>=0 && v[j]<v[j+gap]; j -= gap) { |
temp = v[j]; |
temp = v[j]; |
v[j] = v[j+gap]; |
v[j] = v[j+gap]; |
v[j+gap] = temp; |
v[j+gap] = temp; |
} |
} |
} |
} |
} |
} |
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struct matrixOfPOLY *parts(f,v) |
struct matrixOfPOLY *parts(f,v) |
POLY f; |
POLY f; |
POLY v; /* v must be a single variable, e.g. x */ |
POLY v; /* v must be a single variable, e.g. x */ |
{ |
{ |
struct matrixOfPOLY *evPoly; |
struct matrixOfPOLY *evPoly; |
int vi = 0; /* index of v */ |
int vi = 0; /* index of v */ |
Line 95 POLY v; /* v must be a single variable, e.g. x */ |
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Line 96 POLY v; /* v must be a single variable, e.g. x */ |
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ft = f; |
ft = f; |
while (ft != POLYNULL) { |
while (ft != POLYNULL) { |
if (vx) { |
if (vx) { |
if (ft->m->e[vi].x == ev[i]) { |
if (ft->m->e[vi].x == ev[i]) { |
h = newCell(ft->coeffp,monomialCopy(ft->m)); |
h = newCell(ft->coeffp,monomialCopy(ft->m)); |
xset0(h,vi); /* touch monomial part, so you need to copy it above. */ |
xset0(h,vi); /* touch monomial part, so you need to copy it above. */ |
ans = ppAdd(ans,h); |
ans = ppAdd(ans,h); |
} |
} |
}else{ |
}else{ |
if (ft->m->e[vi].D == ev[i]) { |
if (ft->m->e[vi].D == ev[i]) { |
h = newCell(ft->coeffp,monomialCopy(ft->m)); |
h = newCell(ft->coeffp,monomialCopy(ft->m)); |
dset0(h,vi); |
dset0(h,vi); |
ans = ppAdd(ans,h); |
ans = ppAdd(ans,h); |
} |
} |
} |
} |
ft = ft->next; |
ft = ft->next; |
} |
} |
Line 113 POLY v; /* v must be a single variable, e.g. x */ |
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Line 114 POLY v; /* v must be a single variable, e.g. x */ |
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} |
} |
return(evPoly); |
return(evPoly); |
} |
} |
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struct object parts2(f,v) |
struct object parts2(f,v) |
POLY f; |
POLY f; |
POLY v; /* v must be a single variable, e.g. x */ |
POLY v; /* v must be a single variable, e.g. x */ |
{ |
{ |
struct matrixOfPOLY *evPoly; |
struct matrixOfPOLY *evPoly; |
int vi = 0; /* index of v */ |
int vi = 0; /* index of v */ |
Line 189 POLY v; /* v must be a single variable, e.g. x */ |
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Line 190 POLY v; /* v must be a single variable, e.g. x */ |
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ft = f; |
ft = f; |
while (ft != POLYNULL) { |
while (ft != POLYNULL) { |
if (vx) { |
if (vx) { |
if (ft->m->e[vi].x == ev[i]) { |
if (ft->m->e[vi].x == ev[i]) { |
h = newCell(ft->coeffp,monomialCopy(ft->m)); |
h = newCell(ft->coeffp,monomialCopy(ft->m)); |
xset0(h,vi); /* touch monomial part, so you need to copy it above. */ |
xset0(h,vi); /* touch monomial part, so you need to copy it above. */ |
ans = ppAdd(ans,h); |
ans = ppAdd(ans,h); |
} |
} |
}else{ |
}else{ |
if (ft->m->e[vi].D == ev[i]) { |
if (ft->m->e[vi].D == ev[i]) { |
h = newCell(ft->coeffp,monomialCopy(ft->m)); |
h = newCell(ft->coeffp,monomialCopy(ft->m)); |
dset0(h,vi); |
dset0(h,vi); |
ans = ppAdd(ans,h); |
ans = ppAdd(ans,h); |
} |
} |
} |
} |
ft = ft->next; |
ft = ft->next; |
} |
} |
Line 215 POLY v; /* v must be a single variable, e.g. x */ |
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Line 216 POLY v; /* v must be a single variable, e.g. x */ |
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putoa(rob,0,ob1); putoa(rob,1,ob2); |
putoa(rob,0,ob1); putoa(rob,1,ob2); |
return(rob); |
return(rob); |
} |
} |
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int pDegreeWrtV(f,v) |
int pDegreeWrtV(f,v) |
POLY f; |
POLY f; |
POLY v; |
POLY v; |
{ |
{ |
int vx = 1; |
int vx = 1; |
int vi = 0; |
int vi = 0; |
Line 298 int containVectorVariable(POLY f) |
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Line 299 int containVectorVariable(POLY f) |
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} |
} |
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POLY homogenize(f) |
POLY homogenize(f) |
POLY f; |
POLY f; |
/* homogenize by using (*grade)(f) */ |
/* homogenize by using (*grade)(f) */ |
{ |
{ |
POLY t; |
POLY t; |
int maxg; |
int maxg; |
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} |
} |
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int isHomogenized(f) |
int isHomogenized(f) |
POLY f; |
POLY f; |
{ |
{ |
POLY t; |
POLY t; |
extern int Homogenize_vec; |
extern int Homogenize_vec; |
int maxg; |
int maxg; |
if (!Homogenize_vec) return(isHomogenized_vec(f)); |
if (!Homogenize_vec) return(isHomogenized_vec(f)); |
if (f == ZERO) return(1); |
if (f == ZERO) return(1); |
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if (f->m->ringp->weightedHomogenization) { |
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return 1; /* BUG: do not chech in case of one-zero homogenization */ |
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} |
maxg = (*grade)(f); |
maxg = (*grade)(f); |
t = f; |
t = f; |
while (t != POLYNULL) { |
while (t != POLYNULL) { |
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} |
} |
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int isHomogenized_vec(f) |
int isHomogenized_vec(f) |
POLY f; |
POLY f; |
{ |
{ |
/* This is not efficient version. *grade should be grade_module1v(). */ |
/* This is not efficient version. *grade should be grade_module1v(). */ |
POLY t; |
POLY t; |
int ggg; |
int ggg; |
if (f == ZERO) return(1); |
if (f == ZERO) return(1); |
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if (f->m->ringp->weightedHomogenization) { |
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return 1; /* BUG: do not chech in case of one-zero homogenization */ |
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} |
while (f != POLYNULL) { |
while (f != POLYNULL) { |
t = f; |
t = f; |
ggg = (*grade)(f); |
ggg = (*grade)(f); |
while (t != POLYNULL) { |
while (t != POLYNULL) { |
if ((*isSameComponent)(f,t)) { |
if ((*isSameComponent)(f,t)) { |
if (ggg != (*grade)(t)) return(0); |
if (ggg != (*grade)(t)) return(0); |
} |
} |
t = t->next; |
t = t->next; |
} |
} |
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static int degreeOfPrincipalPart(f) |
static int degreeOfPrincipalPart(f) |
POLY f; |
POLY f; |
{ |
{ |
int n,i,dd; |
int n,i,dd; |
if (f ISZERO) return(0); |
if (f ISZERO) return(0); |
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} |
} |
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POLY POLYToPrincipalPart(f) |
POLY POLYToPrincipalPart(f) |
POLY f; |
POLY f; |
{ |
{ |
POLY node; |
POLY node; |
struct listPoly nod; |
struct listPoly nod; |
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} |
} |
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static int degreeOfInitW(f,w) |
static int degreeOfInitW(f,w) |
POLY f; |
POLY f; |
int w[]; |
int w[]; |
{ |
{ |
int n,i,dd; |
int n,i,dd; |
if (f ISZERO) { |
if (f ISZERO) { |
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} |
} |
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POLY POLYToInitW(f,w) |
POLY POLYToInitW(f,w) |
POLY f; |
POLY f; |
int w[]; /* weight vector */ |
int w[]; /* weight vector */ |
{ |
{ |
POLY node; |
POLY node; |
struct listPoly nod; |
struct listPoly nod; |
Line 492 int isTheSameRing(struct ring *rstack[],int rp, struct |
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Line 499 int isTheSameRing(struct ring *rstack[],int rp, struct |
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if (rrr->orderMatrixSize != newRingp->orderMatrixSize) { a=12; goto bbb ; } |
if (rrr->orderMatrixSize != newRingp->orderMatrixSize) { a=12; goto bbb ; } |
for (i=0; i<rrr->orderMatrixSize; i++) { |
for (i=0; i<rrr->orderMatrixSize; i++) { |
for (j=0; j<2*(rrr->n); j++) { |
for (j=0; j<2*(rrr->n); j++) { |
if (rrr->order[i*2*(rrr->n)+j] != newRingp->order[i*2*(rrr->n)+j]) |
if (rrr->order[i*2*(rrr->n)+j] != newRingp->order[i*2*(rrr->n)+j]) |
{ a=13; goto bbb ; } |
{ a=13; goto bbb ; } |
} |
} |
} |
} |
if (rrr->next != newRingp->next) { a=14; goto bbb ; } |
if (rrr->next != newRingp->next) { a=14; goto bbb ; } |
if (rrr->multiplication != newRingp->multiplication) { a=15; goto bbb ; } |
if (rrr->multiplication != newRingp->multiplication) { a=15; goto bbb ; } |
/* if (rrr->schreyer != newRingp->schreyer) { a=16; goto bbb ; }*/ |
/* if (rrr->schreyer != newRingp->schreyer) { a=16; goto bbb ; }*/ |
if (newRingp->schreyer == 1) { a=16; goto bbb; } |
if (newRingp->schreyer == 1) { a=16; goto bbb; } |
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if (rrr->weightedHomogenization != newRingp->weightedHomogenization) { a=16; goto bbb; } |
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if (rrr->degreeShiftSize != newRingp->degreeShiftSize) { |
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a = 17; goto bbb; |
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} |
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if (rrr->degreeShiftN != newRingp->degreeShiftN) { |
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a = 17; goto bbb; |
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} |
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for (i=0; i < rrr->degreeShiftSize; i++) { |
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for (j=0; j< rrr->degreeShiftN; j++) { |
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if (rrr->degreeShift[i*(rrr->degreeShiftN)+j] != |
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newRingp->degreeShift[i*(rrr->degreeShiftN)+j]) { |
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a = 17; goto bbb; |
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} |
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} |
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} |
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/* The following fields are ignored. |
/* The following fields are ignored. |
void *gbListTower; |
void *gbListTower; |
int *outputOrder; |
int *outputOrder; |
Line 513 int isTheSameRing(struct ring *rstack[],int rp, struct |
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Line 536 int isTheSameRing(struct ring *rstack[],int rp, struct |
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} |
} |
return(-1); |
return(-1); |
} |
} |
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/* s->1 */ |
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POLY goDeHomogenizeS(POLY f) { |
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POLY node; |
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POLY lastf; |
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struct listPoly nod; |
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POLY h; |
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POLY tf; |
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int gt,first; |
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if (f == POLYNULL) return(POLYNULL); |
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node = &nod; |
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node->next = POLYNULL; |
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lastf = POLYNULL; |
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first = 1; |
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while (f != POLYNULL) { |
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tf = newCell(f->coeffp,monomialCopy(f->m)); |
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tf->m->e[0].x = 0; /* H, s variable in the G-O paper. */ |
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if (first) { |
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node->next = tf; |
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lastf = tf; |
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first = 0; |
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}else{ |
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gt = (*mmLarger)(lastf,tf); |
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if (gt == 1) { |
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lastf->next = tf; |
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lastf = tf; |
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}else{ |
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h = node->next; |
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h = ppAddv(h,tf); |
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node->next = h; |
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lastf = h; |
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while (lastf->next != POLYNULL) { |
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lastf = lastf->next; |
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} |
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} |
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} |
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f = f->next; |
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} |
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return (node->next); |
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} |
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/* Granger-Oaku's homogenization for the ecart tangent cone. |
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Note: 2003.07.10. |
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ds[] is the degree shift. |
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ei ( element index ). If it is < 0, then e[n-1]->x will be used, |
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else ei is used. |
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if onlyS is set to 1, then input is assumed to be (u,v)-h-homogeneous. |
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*/ |
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POLY goHomogenize(POLY f,int u[],int v[],int ds[],int dssize,int ei,int onlyS) |
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{ |
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POLY node; |
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POLY lastf; |
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struct listPoly nod; |
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POLY h; |
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POLY tf; |
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int gt,first,m,mp,t,tp,dsIdx,message; |
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struct ring *rp; |
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message = 1; |
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if (f == POLYNULL) return(POLYNULL); |
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rp = f->m->ringp; |
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if ((rp->degreeShiftSize == 0) && (dssize > 0)) { |
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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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} |
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node = &nod; |
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node->next = POLYNULL; |
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lastf = POLYNULL; |
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first = 1; |
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while (f != POLYNULL) { |
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if (first) { |
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t = m = dGrade1(f); |
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tp = mp = uvGrade1(f,u,v,ds,dssize,ei); |
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}else{ |
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t = dGrade1(f); |
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tp = uvGrade1(f,u,v,ds,dssize,ei); |
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if (t > m) m = t; |
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if (tp < mp) mp = tp; |
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} |
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tf = newCell(f->coeffp,monomialCopy(f->m)); |
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/* Automatic dehomogenize. Not += */ |
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if (message && ((tf->m->e[0].D != 0) || (tf->m->e[0].x != 0))) { |
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/*go-debug fprintf(stderr,"Automatic dehomogenize and homogenize.\n"); */ |
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message = 0; |
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} |
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if (!onlyS) { |
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tf->m->e[0].D = -t; /* h */ |
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} |
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tf->m->e[0].x = tp; /* H, s variable in the G-O paper. */ |
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/*go-debug printf("t(h)=%d, tp(uv+ds)=%d\n",t,tp); */ |
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if (first) { |
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node->next = tf; |
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lastf = tf; |
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first = 0; |
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}else{ |
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gt = (*mmLarger)(lastf,tf); |
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if (gt == 1) { |
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lastf->next = tf; |
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lastf = tf; |
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}else{ |
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/*go-debug printf("?\n"); */ |
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h = node->next; |
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h = ppAddv(h,tf); |
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node->next = h; |
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lastf = h; |
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while (lastf->next != POLYNULL) { |
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lastf = lastf->next; |
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} |
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} |
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} |
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f = f->next; |
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} |
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h = node->next; |
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/*go-debug printf("m=%d, mp=%d\n",m,mp); */ |
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while (h != POLYNULL) { |
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/*go-debug printf("Old: h=%d, s=%d\n",h->m->e[0].D,h->m->e[0].x); */ |
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if (!onlyS) h->m->e[0].D += m; /* h */ |
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h->m->e[0].x += -mp; /* H, s*/ |
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/*go-debug printf("New: h=%d, s=%d\n",h->m->e[0].D,h->m->e[0].x); */ |
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h = h->next; |
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} |
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return (node->next); |
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} |
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/* u[] = -1, v[] = 1 */ |
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POLY goHomogenize11(POLY f,int ds[],int dssize,int ei,int onlyS) |
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{ |
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int r; |
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int i,t,n,m,nn; |
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MONOMIAL tf; |
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static int *u; |
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static int *v; |
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static struct ring *cr = (struct ring *)NULL; |
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if (f == POLYNULL) return POLYNULL; |
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tf = f->m; |
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if (tf->ringp != cr) { |
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n = tf->ringp->n; |
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m = tf->ringp->m; |
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nn = tf->ringp->nn; |
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cr = tf->ringp; |
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u = (int *)sGC_malloc(sizeof(int)*n); |
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v = (int *)sGC_malloc(sizeof(int)*n); |
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for (i=0; i<n; i++) u[i]=v[i]=0; |
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for (i=m; i<nn; i++) { |
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u[i] = -1; v[i] = 1; |
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} |
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} |
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return(goHomogenize(f,u,v,ds,dssize,ei,onlyS)); |
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} |
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POLY goHomogenize_dsIdx(POLY f,int u[],int v[],int dsIdx,int ei,int onlyS) |
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{ |
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if (f == POLYNULL) return POLYNULL; |
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} |
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POLY goHomogenize11_dsIdx(POLY f,int ds[],int dsIdx,int ei,int onlyS) |
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{ |
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if (f == POLYNULL) return POLYNULL; |
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} |