OpenXM_contrib2/asir2000/engine/Hgfs.c - diff

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Diff for /OpenXM_contrib2/asir2000/engine/Hgfs.c between version 1.27 and 1.28

version 1.27, 2002/11/01 05:43:35

version 1.28, 2002/11/22 07:32:10

Line 1

/* $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 1.27 2002/11/01 05:43:35 noro Exp $ */

#include "ca.h"

#include "inline.h"

Line 506 void canzassf(UM f,int d,UM *r)

/* Hensel related functions */

int sfberle(VL,P,int,GFS *,DCP *);

int sfberle(V,V,P,int,GFS *,DCP *);

void sfgcdgen(P,ML,ML *);

void sfhenmain2(BM,UM,UM,int,BM *);

void ptosfbm(int,P,BM);

void sfhensel(int count,P f,V x,V y,int degbound,GFS *evp,P *sfp,ML *listp);

/* f = f(x,y) */

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 fn;

ML rlist;

BM fl;

VL vl,nvl;

V y;

int dx,dy,bound;

GFS ev;

P f1,t,c,sf;

Line 534 void sfhensel(int count,P f,V x,int degbound,GFS *evp,

reordvar(vl,x,&nvl); reorderp(nvl,vl,f,&f1);

vl = nvl; f = f1;

}

y = vl->next->v;

if ( vl->next )

y = vl->next->v;

dx = getdeg(x,f);

dy = getdeg(y,f);

if ( dx == 1 ) {

*listp = rlist = MLALLOC(1); rlist->n = 1; rlist->c[0] = 0;

return;

}

fn = sfberle(vl,f,count,&ev,&dc);

fn = sfberle(x,y,f,count,&ev,&dc);

if ( fn <= 1 ) {

/* fn == 0 => short of evaluation points */

*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,

Line 641 void sfhensel(int count,P f,V x,int degbound,GFS *evp,

/* main variable of f = x */

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;

int fn,n;

GFS m,fm;

DCP dc,dct,dc0;

VL nvl;

VL vl;

V x,y;

P lc,lc0,f0;

Obj obj;

int j,q,index,i;

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;

NEXT(NEXT(vl)) =0;

simp_ff((Obj)f,&obj); f = (P)obj;

n = QTOS(DEG(DC(f)));

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)

Line 1078 void sfbfctr(P f,V x,V y,int degbound,DCP *dcp)

int dx,dy;

/* 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 )

error("sfbfctr : short of evaluation points");

else if ( list->n == 1 ) {

Line 1111 void sfbfctr_shift(P f,V x,V y,int degbound,GFS *evp,P

Line 1112 void sfbfctr_shift(P f,V x,V y,int degbound,GFS *evp,P