version 1.27, 2002/11/01 05:43:35 |
version 1.29, 2002/11/22 08:44:57 |
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/* $OpenXM: OpenXM_contrib2/asir2000/engine/Hgfs.c,v 1.26 2002/10/25 02:43:40 noro Exp $ */ |
/* $OpenXM: OpenXM_contrib2/asir2000/engine/Hgfs.c,v 1.28 2002/11/22 07:32:10 noro Exp $ */ |
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#include "ca.h" |
#include "ca.h" |
#include "inline.h" |
#include "inline.h" |
Line 79 void gensqfrsfum(UM p,struct oDUM *dc) |
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Line 79 void gensqfrsfum(UM p,struct oDUM *dc) |
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{ |
{ |
int n,i,j,d,mod; |
int n,i,j,d,mod; |
UM t,s,g,f,f1,b; |
UM t,s,g,f,f1,b; |
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GFS u,v; |
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if ( (n = DEG(p)) == 1 ) { |
if ( (n = DEG(p)) == 1 ) { |
dc[0].f = UMALLOC(DEG(p)); cpyum(p,dc[0].f); dc[0].n = 1; |
dc[0].f = UMALLOC(DEG(p)); cpyum(p,dc[0].f); dc[0].n = 1; |
Line 117 void gensqfrsfum(UM p,struct oDUM *dc) |
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Line 118 void gensqfrsfum(UM p,struct oDUM *dc) |
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break; |
break; |
else { |
else { |
DEG(s) = DEG(t)/mod; |
DEG(s) = DEG(t)/mod; |
for ( j = 0; j <= DEG(t); j++ ) |
for ( j = 0; j <= DEG(t); j++ ) { |
COEF(s)[j] = COEF(t)[j*mod]; |
iftogfs(COEF(t)[j*mod],&u); |
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pthrootgfs(u,&v); |
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COEF(s)[j] = v?FTOIF(CONT(v)):0; |
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} |
cpyum(s,b); d *= mod; |
cpyum(s,b); d *= mod; |
} |
} |
} |
} |
Line 506 void canzassf(UM f,int d,UM *r) |
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Line 510 void canzassf(UM f,int d,UM *r) |
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/* Hensel related functions */ |
/* Hensel related functions */ |
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int sfberle(VL,P,int,GFS *,DCP *); |
int sfberle(V,V,P,int,GFS *,DCP *); |
void sfgcdgen(P,ML,ML *); |
void sfgcdgen(P,ML,ML *); |
void sfhenmain2(BM,UM,UM,int,BM *); |
void sfhenmain2(BM,UM,UM,int,BM *); |
void ptosfbm(int,P,BM); |
void ptosfbm(int,P,BM); |
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void sfhensel(int count,P f,V x,V y,int degbound,GFS *evp,P *sfp,ML *listp); |
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/* f = f(x,y) */ |
/* f = f(x,y) */ |
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void sfhensel(int count,P f,V x,int degbound,GFS *evp,P *sfp,ML *listp) |
void sfhensel(int count,P f,V x,V y,int degbound,GFS *evp,P *sfp,ML *listp) |
{ |
{ |
int i; |
int i; |
int fn; |
int fn; |
ML rlist; |
ML rlist; |
BM fl; |
BM fl; |
VL vl,nvl; |
VL vl,nvl; |
V y; |
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int dx,dy,bound; |
int dx,dy,bound; |
GFS ev; |
GFS ev; |
P f1,t,c,sf; |
P f1,t,c,sf; |
Line 534 void sfhensel(int count,P f,V x,int degbound,GFS *evp, |
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Line 538 void sfhensel(int count,P f,V x,int degbound,GFS *evp, |
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reordvar(vl,x,&nvl); reorderp(nvl,vl,f,&f1); |
reordvar(vl,x,&nvl); reorderp(nvl,vl,f,&f1); |
vl = nvl; f = f1; |
vl = nvl; f = f1; |
} |
} |
y = vl->next->v; |
if ( vl->next ) |
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y = vl->next->v; |
dx = getdeg(x,f); |
dx = getdeg(x,f); |
dy = getdeg(y,f); |
dy = getdeg(y,f); |
if ( dx == 1 ) { |
if ( dx == 1 ) { |
*listp = rlist = MLALLOC(1); rlist->n = 1; rlist->c[0] = 0; |
*listp = rlist = MLALLOC(1); rlist->n = 1; rlist->c[0] = 0; |
return; |
return; |
} |
} |
fn = sfberle(vl,f,count,&ev,&dc); |
fn = sfberle(x,y,f,count,&ev,&dc); |
if ( fn <= 1 ) { |
if ( fn <= 1 ) { |
/* fn == 0 => short of evaluation points */ |
/* fn == 0 => short of evaluation points */ |
*listp = rlist = MLALLOC(1); rlist->n = fn; rlist->c[0] = 0; |
*listp = rlist = MLALLOC(1); rlist->n = fn; rlist->c[0] = 0; |
Line 640 void sfhensel(int count,P f,V x,int degbound,GFS *evp, |
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Line 645 void sfhensel(int count,P f,V x,int degbound,GFS *evp, |
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/* main variable of f = x */ |
/* main variable of f = x */ |
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int sfberle(VL vl,P f,int count,GFS *ev,DCP *dcp) |
int sfberle(V x,V y,P f,int count,GFS *ev,DCP *dcp) |
{ |
{ |
UM wf,wf1,wf2,wfs,gcd; |
UM wf,wf1,wf2,wfs,gcd; |
int fn,n; |
int fn,n; |
GFS m,fm; |
GFS m,fm; |
DCP dc,dct,dc0; |
DCP dc,dct,dc0; |
VL nvl; |
VL vl; |
V x,y; |
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P lc,lc0,f0; |
P lc,lc0,f0; |
Obj obj; |
Obj obj; |
int j,q,index,i; |
int j,q,index,i; |
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clctv(vl,f,&nvl); vl = nvl; |
NEWVL(vl); vl->v = x; |
x = vl->v; y = vl->next->v; |
NEWVL(NEXT(vl)); NEXT(vl)->v = y; |
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NEXT(NEXT(vl)) =0; |
simp_ff((Obj)f,&obj); f = (P)obj; |
simp_ff((Obj)f,&obj); f = (P)obj; |
n = QTOS(DEG(DC(f))); |
n = QTOS(DEG(DC(f))); |
wf = W_UMALLOC(n); wf1 = W_UMALLOC(n); wf2 = W_UMALLOC(n); |
wf = W_UMALLOC(n); wf1 = W_UMALLOC(n); wf2 = W_UMALLOC(n); |
Line 1077 void sfbfctr(P f,V x,V y,int degbound,DCP *dcp) |
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Line 1082 void sfbfctr(P f,V x,V y,int degbound,DCP *dcp) |
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int dx,dy; |
int dx,dy; |
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/* sf(x) = f(x+ev) = list->c[0]*list->c[1]*... */ |
/* sf(x) = f(x+ev) = list->c[0]*list->c[1]*... */ |
sfhensel(5,f,x,degbound,&ev,&sf,&list); |
sfhensel(5,f,x,y,degbound,&ev,&sf,&list); |
if ( list->n == 0 ) |
if ( list->n == 0 ) |
error("sfbfctr : short of evaluation points"); |
error("sfbfctr : short of evaluation points"); |
else if ( list->n == 1 ) { |
else if ( list->n == 1 ) { |
Line 1111 void sfbfctr_shift(P f,V x,V y,int degbound,GFS *evp,P |
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Line 1116 void sfbfctr_shift(P f,V x,V y,int degbound,GFS *evp,P |
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int dx,dy; |
int dx,dy; |
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/* sf(x) = f(x+ev) = list->c[0]*list->c[1]*... */ |
/* sf(x) = f(x+ev) = list->c[0]*list->c[1]*... */ |
sfhensel(5,f,x,degbound,&ev,&sf,&list); |
sfhensel(5,f,x,y,degbound,&ev,&sf,&list); |
if ( list->n == 0 ) |
if ( list->n == 0 ) |
error("sfbfctr_shift : short of evaluation points"); |
error("sfbfctr_shift : short of evaluation points"); |
else if ( list->n == 1 ) { |
else if ( list->n == 1 ) { |