version 1.8, 2001/06/25 10:01:28 |
version 1.9, 2001/06/26 03:00:40 |
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/* $OpenXM: OpenXM_contrib2/asir2000/engine/Hgfs.c,v 1.7 2001/06/25 06:10:48 noro Exp $ */ |
/* $OpenXM: OpenXM_contrib2/asir2000/engine/Hgfs.c,v 1.8 2001/06/25 10:01:28 noro Exp $ */ |
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#include "ca.h" |
#include "ca.h" |
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Line 17 void sfbmtop(int,BM,V,V,P *); |
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Line 17 void sfbmtop(int,BM,V,V,P *); |
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void pp_sfp(VL,P,P *); |
void pp_sfp(VL,P,P *); |
void sfcsump(VL,P,P *); |
void sfcsump(VL,P,P *); |
void mulsfbmarray(int,BM,ML,int,int *,V,V,P *); |
void mulsfbmarray(int,BM,ML,int,int *,V,V,P *); |
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void const_term(P,UM); |
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void fctrsf(p,dcp) |
void fctrsf(p,dcp) |
P p; |
P p; |
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void sfdtest(P,ML,V,V,DCP *); |
void sfdtest(P,ML,V,V,DCP *); |
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void sfbfctr(f,x,y,evp,dcp) |
void sfbfctr(f,x,y,dcp) |
P f; |
P f; |
V x,y; |
V x,y; |
GFS *evp; |
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DCP *dcp; |
DCP *dcp; |
{ |
{ |
ML list; |
ML list; |
P sf; |
P sf; |
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GFS ev; |
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DCP dc,dct; |
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BM fl; |
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int n,bound; |
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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,evp,&sf,&list); |
sfhensel(5,f,x,&ev,&sf,&list); |
sfdtest(sf,list,x,y,dcp); |
sfdtest(sf,list,x,y,&dc); |
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n = getdeg(x,sf); |
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bound = list->bound; |
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W_BMALLOC(n,bound,fl); |
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for ( dct = dc; dct; dct = NEXT(dct) ) { |
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ptosfbm(bound,COEF(dct),fl); |
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shiftsfbm(bound,fl,_chsgnsf(FTOIF(CONT(ev)))); |
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sfbmtop(bound,fl,x,y,&COEF(dct)); |
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} |
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*dcp = dc; |
} |
} |
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/* f = f(x,y) = list->c[0]*list->c[1]*... mod y^list->bound */ |
/* f = f(x,y) = list->c[0]*list->c[1]*... mod y^list->bound */ |
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int i,j,k; |
int i,j,k; |
int *win; |
int *win; |
P g,lcg,factor,cofactor,lcyx; |
P g,lcg,factor,cofactor,lcyx; |
P csum,csumt; |
P t,csum; |
DCP dcf,dcf0,dc; |
DCP dcf,dcf0,dc; |
BM *c; |
BM *c; |
BM lcy; |
BM lcy; |
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UM lcg0; |
ML wlist; |
ML wlist; |
struct oVL vl1,vl0; |
struct oVL vl1,vl0; |
VL vl; |
VL vl; |
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/* vl = [x,y] */ |
/* vl = [x,y] */ |
vl0.v = x; vl0.next = &vl1; vl1.v = y; vl1.next = 0; vl = &vl0; |
vl0.v = x; vl0.next = &vl1; vl1.v = y; vl1.next = 0; vl = &vl0; |
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/* setup various structures and arrays */ |
n = UDEG(f); np = list->n; bound = list->bound; win = W_ALLOC(np+1); |
n = UDEG(f); np = list->n; bound = list->bound; win = W_ALLOC(np+1); |
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/* csum = lc(f)*f(1) */ |
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sfcsump(vl,f,&csum); mulp(vl,csum,COEF(DC(f)),&csumt); csum = csumt; |
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wlist = W_MLALLOC(np); wlist->n = list->n; |
wlist = W_MLALLOC(np); wlist->n = list->n; |
wlist->bound = list->bound; |
wlist->bound = list->bound; |
c = (BM *)COEF(wlist); |
c = (BM *)COEF(wlist); |
bcopy((char *)COEF(list),(char *)c,(int)(sizeof(BM)*np)); |
bcopy((char *)COEF(list),(char *)c,(int)(sizeof(BM)*np)); |
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lcg0 = W_UMALLOC(2*bound); |
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/* initialize g by f */ |
/* initialize g by f */ |
g = f; mulp(vl,g,COEF(DC(g)),&lcg); |
g = f; |
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/* initialize lcg */ |
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mulp(vl,g,COEF(DC(g)),&lcg); |
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/* initialize lcg0 */ |
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const_term(lcg,lcg0); |
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/* initialize csum = lcg(1) */ |
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sfcsump(vl,lcg,&csum); |
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/* initialize lcy by LC(f) */ |
/* initialize lcy by LC(f) */ |
W_BMALLOC(0,bound,lcy); |
W_BMALLOC(0,bound,lcy); |
NEWDC(dc); COEF(dc) = COEF(DC(g)); |
NEWDC(dc); COEF(dc) = COEF(DC(g)); DEG(dc) = 0; |
DEG(dc) = 0; |
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NEWP(lcyx); VR(lcyx) = x; DC(lcyx) = dc; |
NEWP(lcyx); VR(lcyx) = x; DC(lcyx) = dc; |
ptosfbm(bound,lcyx,lcy); |
ptosfbm(bound,lcyx,lcy); |
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fprintf(stderr,"np = %d\n",np); |
fprintf(stderr,"np = %d\n",np); |
for ( g = f, k = 1, dcf = dcf0 = 0, win[0] = 1, --np, z = 0; ; z++ ) { |
for ( g = f, k = 1, dcf = dcf0 = 0, win[0] = 1, --np, z = 0; ; z++ ) { |
if ( !(z % 1000) ) fprintf(stderr,"."); |
if ( !(z % 1000) ) fprintf(stderr,"."); |
if ( sfdtestmain(vl,lcg,lcy,csum,wlist,k,win,&factor,&cofactor) ) { |
if ( sfdtestmain(vl,lcg,lcg0,lcy,csum,wlist,k,win,&factor,&cofactor) ) { |
NEXTDC(dcf0,dcf); DEG(dcf) = ONE; COEF(dcf) = factor; |
NEXTDC(dcf0,dcf); DEG(dcf) = ONE; COEF(dcf) = factor; |
g = cofactor; |
g = cofactor; |
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/* update csum */ |
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sfcsump(vl,g,&csum); mulp(vl,csum,COEF(DC(g)),&csumt); csum = csumt; |
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/* update lcg */ |
/* update lcg */ |
mulp(vl,g,COEF(DC(g)),&lcg); |
mulp(vl,g,COEF(DC(g)),&lcg); |
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/* update lcg0 */ |
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const_term(lcg,lcg0); |
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/* update csum */ |
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sfcsump(vl,lcg,&csum); |
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/* update lcy */ |
/* update lcy */ |
clearsfbm(bound,0,lcy); |
clearsfbm(bound,0,lcy); |
COEF(dc) = COEF(DC(g)); ptosfbm(bound,lcyx,lcy); |
COEF(dc) = COEF(DC(g)); ptosfbm(bound,lcyx,lcy); |
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DEG(dcf) = ONE; NEXT(dcf) = 0; *dcp = dcf0; |
DEG(dcf) = ONE; NEXT(dcf) = 0; *dcp = dcf0; |
} |
} |
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/* lcy = LC(g), lcg = lcy*g */ |
/* lcy = LC(g), lcg = lcy*g, lcg0 = const part of lcg */ |
int sfdtestmain(vl,lcg,lcy,csum,list,k,in,fp,cofp) |
int sfdtestmain(vl,lcg,lcg0,lcy,csum,list,k,in,fp,cofp) |
VL vl; |
VL vl; |
P lcg; |
P lcg; |
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UM lcg0; |
BM lcy; |
BM lcy; |
P csum; |
P csum; |
ML list; |
ML list; |
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x = vl->v; |
x = vl->v; |
y = vl->next->v; |
y = vl->next->v; |
#if 0 |
if (!sfctest(lcg0,lcy,list,k,in)) |
if (!sfctest(g,list,k,in)) |
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return 0; |
return 0; |
#endif |
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mulsfbmarray(UDEG(lcg),lcy,list,k,in,x,y,&fmul); |
mulsfbmarray(UDEG(lcg),lcy,list,k,in,x,y,&fmul); |
if ( csum ) { |
if ( csum ) { |
sfcsump(vl,fmul,&csumg); |
sfcsump(vl,fmul,&csumg); |
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return 0; |
return 0; |
} |
} |
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#if 0 |
void const_term(f,c) |
int sfctest(g,list,k,in) |
P f; |
P g; |
UM c; |
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{ |
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DCP dc; |
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for ( dc = DC(f); dc && DEG(dc); dc = NEXT(dc) ); |
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if ( dc ) |
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ptosfum(COEF(dc),c); |
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else |
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DEG(c) = -1; |
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} |
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void const_term_sfbm(f,bound,c) |
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BM f; |
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int bound; |
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UM c; |
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{ |
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int i; |
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for ( i = 0; i < bound; i++ ) |
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if ( DEG(COEF(f)[i]) >= 0 ) |
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COEF(c)[i] = COEF(COEF(f)[i])[0]; |
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else |
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COEF(c)[i] = 0; |
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degum(c,bound-1); |
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} |
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/* lcy*(product of const part) | lcg0 ? */ |
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int sfctest(lcg0,lcy,list,k,in) |
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UM lcg0; |
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BM lcy; |
ML list; |
ML list; |
int k; |
int k; |
int *in; |
int *in; |
{ |
{ |
register int i; |
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int q,bound; |
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int *wm,*wm1,*tmpp; |
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DCP dc; |
DCP dc; |
Q dvr; |
int bound,i,dr; |
N lcn,cstn,dndn,dmyn,rn; |
UM t,s,u,w; |
LUM *l; |
BM *l; |
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for ( dc = DC(g); dc && DEG(dc); dc = NEXT(dc) ); |
bound = list->bound; |
if ( dc ) |
t = W_UMALLOC(2*bound); |
cstn = NM((Q)COEF(dc)); |
s = W_UMALLOC(2*bound); |
else |
u = W_UMALLOC(2*bound); |
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const_term_sfbm(lcy,bound,t); |
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if ( DEG(t) < 0 ) |
return 1; |
return 1; |
q = list->mod; bound = list->bound; |
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ntobn(q,NM((Q)COEF(DC(g))),&lcn);; |
l = (BM *)list->c; |
W_CALLOC(bound+1,int,wm); W_CALLOC(bound+1,int,wm1); |
for ( i = 0; i < k; i++ ) { |
for ( i = 0; i < PL(lcn); i++ ) |
const_term_sfbm(l[in[i]],bound,s); |
wm[i] = BD(lcn)[i]; |
mulsfum(t,s,u); |
for ( i = 0, l = (LUM *)list->c; i < k; i++ ) { |
if ( DEG(u) >= bound ) |
mulpadic(q,bound,wm,COEF(l[in[i]])[0],wm1); |
degum(u,bound-1); |
tmpp = wm; wm = wm1; wm1 = tmpp; |
w = t; t = u; u = w; |
} |
} |
padictoq(q,bound,wm,&dvr); |
cpyum(lcg0,s); |
kmuln(NM((Q)COEF(DC(g))),cstn,&dndn); divn(dndn,NM(dvr),&dmyn,&rn); |
dr = divsfum(s,t,u); |
return rn ? 0 : 1; |
if ( dr >= 0 ) |
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return 0; |
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else |
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return 1; |
} |
} |
#endif |
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/* main var of f is x */ |
/* main var of f is x */ |
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