version 1.3, 2000/08/22 05:04:04 |
version 1.4, 2001/02/21 07:10:18 |
|
|
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* |
* |
* $OpenXM: OpenXM_contrib2/asir2000/engine/PDM.c,v 1.2 2000/08/21 08:31:26 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/engine/PDM.c,v 1.3 2000/08/22 05:04:04 noro Exp $ |
*/ |
*/ |
#ifndef MODULAR |
#ifndef MODULAR |
#define MODULAR |
#define MODULAR |
Line 465 P f1,f2,*fqp,*frp; |
|
Line 465 P f1,f2,*fqp,*frp; |
|
plisttop((P *)pq,VR(f1),n1-n2,fqp); plisttop((P *)pr,VR(f1),n2-1,frp); |
plisttop((P *)pq,VR(f1),n1-n2,fqp); plisttop((P *)pr,VR(f1),n2-1,frp); |
} |
} |
#endif |
#endif |
|
|
|
#ifdef MODULAR |
|
|
|
int divtmp(vl,mod,p1,p2,q) |
|
VL vl; |
|
P p1,p2,*q; |
|
{ |
|
register int i,j,k; |
|
register DCP dc1,dc2,dc; |
|
P m,m1,s,dvr,t; |
|
P *pq,*pr,*pd; |
|
V v1,v2; |
|
Q deg1,deg2; |
|
int d1,d2,sgn; |
|
|
|
if ( !p1 ) { |
|
*q = 0; |
|
return 1; |
|
} else if ( NUM(p2) ) { |
|
divsmp(vl,mod,p1,p2,q); |
|
return 1; |
|
} else if ( NUM(p1) ) { |
|
*q = 0; |
|
return 0; |
|
} else if ( ( v1 = VR(p1) ) == ( v2 = VR(p2) ) ) { |
|
dc1 = DC(p1); dc2 = DC(p2); |
|
deg1 = DEG(dc1); deg2 = DEG(dc2); |
|
sgn = cmpq(deg1,deg2); |
|
if ( sgn == 0 ) |
|
if ( !divtmp(vl,mod,COEF(dc1),COEF(dc2),&m) ) { |
|
*q = 0; |
|
return 0; |
|
} else { |
|
mulmp(vl,mod,p2,m,&m1); submp(vl,mod,p1,m1,&s); |
|
if ( !s ) { |
|
*q = m; |
|
return 1; |
|
} else { |
|
*q = 0; |
|
return 0; |
|
} |
|
} |
|
else if ( sgn < 0 ) { |
|
*q = 0; |
|
return 0; |
|
} else { |
|
if ( (PL(NM(deg1)) > 1) ) { |
|
error("divtmp : invalid input"); |
|
*q = 0; |
|
return ( 0 ); |
|
} |
|
d1 = QTOS(deg1); d2 = QTOS(deg2); |
|
W_CALLOC(d1-d2,P,pq); W_CALLOC(d1,P,pr); W_CALLOC(d2,P,pd); |
|
for ( dc = dc1; dc; dc = NEXT(dc) ) |
|
pr[QTOS(DEG(dc))] = COEF(dc); |
|
for ( dc = dc2; dc; dc = NEXT(dc) ) |
|
pd[QTOS(DEG(dc))] = COEF(dc); |
|
for ( dvr = COEF(dc2), i = d1 - d2; i >= 0; i-- ) |
|
if ( !pr[i+d2] ) |
|
continue; |
|
else if ( !divtmp(vl,mod,pr[i+d2],dvr,&m) ) { |
|
*q = 0; |
|
return 0; |
|
} else { |
|
pq[i] = m; |
|
for ( j = d2; j >= 0; j-- ) { |
|
mulmp(vl,mod,pq[i],pd[j],&m); |
|
submp(vl,mod,pr[i + j],m,&s); pr[i + j] = s; |
|
} |
|
} |
|
plisttop(pq,v1,d1 - d2,&m); plisttop(pr,v1,d1 - 1,&t); |
|
if ( t ) { |
|
*q = 0; |
|
return 0; |
|
} else { |
|
*q = m; |
|
return 1; |
|
} |
|
} |
|
} else { |
|
for ( ; (v1 != vl->v) && (v2 != vl->v); vl = NEXT(vl) ); |
|
if ( v2 == vl->v ) { |
|
*q = 0; |
|
return 0; |
|
} else |
|
return divtdcmp(vl,mod,p1,p2,q); |
|
} |
|
} |
|
|
|
int divtdcmp(vl,mod,p1,p2,q) |
|
VL vl; |
|
P p1,p2,*q; |
|
{ |
|
|
|
P m; |
|
register DCP dc,dcr,dcr0,dct; |
|
|
|
for ( dc = DC(p1), dcr0 = 0; dc; dc = NEXT(dc) ) |
|
if ( !divtmp(vl,mod,COEF(dc),p2,&m) ) { |
|
*q = 0; |
|
return 0; |
|
} else { |
|
NEXTDC(dcr0,dcr); DEG(dcr) = DEG(dc); COEF(dcr) = m; NEXT(dcr) = 0; |
|
} |
|
MKP(VR(p1),dcr0,*q); |
|
return 1; |
|
} |
|
#endif /* MODULAR */ |