version 1.5, 2001/10/09 01:36:09 |
version 1.8, 2018/03/29 01:32:51 |
|
|
* 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/A.c,v 1.4 2001/06/07 04:54:39 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/engine/A.c,v 1.7 2013/06/13 18:40:31 ohara Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
|
#include "parse.h" |
|
|
int get_lprime(); |
int get_lprime(); |
|
|
|
|
P p1,p2,p0; |
P p1,p2,p0; |
P *pr; |
P *pr; |
{ |
{ |
Q m,d; |
Q m,d; |
P t,q,r; |
P t,q,r; |
|
|
if ( VR(p2) == VR(p0) ) { |
if ( VR(p2) == VR(p0) ) { |
*pr = p1; |
*pr = p1; |
return; |
return; |
} |
} |
if ( VR(p1) == VR(p0) ) { |
if ( VR(p1) == VR(p0) ) { |
error("pdiva : ???"); |
error("pdiva : ???"); |
return; |
return; |
} |
} |
subq(DEG(DC(p1)),DEG(DC(p2)),&m); addq(m,ONE,&d); |
subq(DEG(DC(p1)),DEG(DC(p2)),&m); addq(m,ONE,&d); |
pwrq((Q)COEF(DC(p2)),d,&m); mulp(vl,p1,(P)m,&t); |
pwrq((Q)COEF(DC(p2)),d,&m); mulp(vl,p1,(P)m,&t); |
divsrp(vl,t,p2,&q,&r); remsdcp(vl,q,p0,pr); |
divsrp(vl,t,p2,&q,&r); remsdcp(vl,q,p0,pr); |
} |
} |
|
|
void rema(vl,p0,p1,p2,pr) |
void rema(vl,p0,p1,p2,pr) |
VL vl; |
VL vl; |
P p1,p2,p0,*pr; |
P p1,p2,p0,*pr; |
{ |
{ |
P m,m1,m2,g,lc,x,t; |
P m,m1,m2,g,lc,x,t; |
Q q; |
Q q; |
V v; |
V v; |
int d1,d2; |
int d1,d2; |
|
|
if ( !p1 || !p2 || NUM(p2) || ( VR(p2) == VR(p0) ) ) |
if ( !p1 || !p2 || NUM(p2) || ( VR(p2) == VR(p0) ) ) |
*pr = 0; |
*pr = 0; |
else if ( NUM(p1) ) |
else if ( NUM(p1) ) |
*pr = p1; |
*pr = p1; |
else if ( ( v = VR(p1) ) == VR(p0) ) |
else if ( ( v = VR(p1) ) == VR(p0) ) |
remsdcp(vl,p1,p0,pr); |
remsdcp(vl,p1,p0,pr); |
else if ( ( d1 = deg(v,p1) ) < ( d2 = deg(v,p2) ) ) |
else if ( ( d1 = deg(v,p1) ) < ( d2 = deg(v,p2) ) ) |
*pr = p1; |
*pr = p1; |
else if ( d1 == d2 ) { |
else if ( d1 == d2 ) { |
mulp(vl,p1,LC(p2),&m); mulp(vl,p2,LC(p1),&m1); |
mulp(vl,p1,LC(p2),&m); mulp(vl,p2,LC(p1),&m1); |
subp(vl,m,m1,&m2); |
subp(vl,m,m1,&m2); |
remsdcp(vl,m2,p0,pr); |
remsdcp(vl,m2,p0,pr); |
} else { |
} else { |
g = p1; lc = LC(p2); MKV(v,x); |
g = p1; lc = LC(p2); MKV(v,x); |
while ( ( d1 = deg(v,g) ) >= d2 ) { |
while ( ( d1 = deg(v,g) ) >= d2 ) { |
mulp(vl,g,lc,&m); mulp(vl,p2,LC(g),&m1); |
mulp(vl,g,lc,&m); mulp(vl,p2,LC(g),&m1); |
STOQ(d1-d2,q); pwrp(vl,x,q,&t); |
STOQ(d1-d2,q); pwrp(vl,x,q,&t); |
mulp(vl,m1,t,&m2); subp(vl,m,m2,&m1); |
mulp(vl,m1,t,&m2); subp(vl,m,m2,&m1); |
remsdcp(vl,m1,p0,&g); |
remsdcp(vl,m1,p0,&g); |
} |
} |
*pr = g; |
*pr = g; |
} |
} |
} |
} |
|
|
void gcda(vl,p0,p1,p2,pr) |
void gcda(vl,p0,p1,p2,pr) |
VL vl; |
VL vl; |
P p1,p2,p0,*pr; |
P p1,p2,p0,*pr; |
{ |
{ |
P g1,g2,r,t,c; |
P g1,g2,r,t,c; |
|
|
remsdcp(vl,p1,p0,&t); pcp(vl,t,&g1,&c); remsdcp(vl,p2,p0,&g2); |
remsdcp(vl,p1,p0,&t); pcp(vl,t,&g1,&c); remsdcp(vl,p2,p0,&g2); |
while ( 1 ) { |
while ( 1 ) { |
if ( NUM(g2) || (VR(g2) == VR(p0)) ) { |
if ( NUM(g2) || (VR(g2) == VR(p0)) ) { |
*pr = (P)ONE; |
*pr = (P)ONE; |
return; |
return; |
} |
} |
pcp(vl,g2,&t,&c); pmonic(vl,p0,t,&g2); rema(vl,p0,g1,g2,&r); |
pcp(vl,g2,&t,&c); pmonic(vl,p0,t,&g2); rema(vl,p0,g1,g2,&r); |
if ( !r ) { |
if ( !r ) { |
pmonic(vl,p0,g2,pr); |
pmonic(vl,p0,g2,pr); |
return; |
return; |
} |
} |
g1 = g2; g2 = r; |
g1 = g2; g2 = r; |
} |
} |
} |
} |
|
|
void sqa(vl,p0,p,dcp) |
void sqa(vl,p0,p,dcp) |
|
|
P p,p0; |
P p,p0; |
DCP *dcp; |
DCP *dcp; |
{ |
{ |
V v; |
V v; |
int i,j,n; |
int i,j,n; |
P f,f1,f2,gcd,flat,q,r,t; |
P f,f1,f2,gcd,flat,q,r,t; |
P *a; |
P *a; |
int *b; |
int *b; |
DCP dc,dc0; |
DCP dc,dc0; |
|
|
if ( ( v = VR(p) ) == VR(p0) ) { |
if ( ( v = VR(p) ) == VR(p0) ) { |
NEWDC(dc); *dcp = dc; COEF(dc) = (P)ONE; DEG(dc) = ONE; |
NEWDC(dc); *dcp = dc; COEF(dc) = (P)ONE; DEG(dc) = ONE; |
NEXT(dc) = 0; |
NEXT(dc) = 0; |
} else { |
} else { |
n = deg(v,p); W_CALLOC(n,P,a); W_CALLOC(n,int,b); |
n = deg(v,p); W_CALLOC(n,P,a); W_CALLOC(n,int,b); |
for ( i = 0, f = p; ;i++ ) { |
for ( i = 0, f = p; ;i++ ) { |
if ( VR(f) != v ) |
if ( VR(f) != v ) |
break; |
break; |
remsdcp(vl,f,p0,&f1); diffp(vl,f1,VR(f1),&f2); |
remsdcp(vl,f,p0,&f1); diffp(vl,f1,VR(f1),&f2); |
while ( 1 ) { |
while ( 1 ) { |
pmonic(vl,p0,f2,&t); f2 = t; rema(vl,p0,f1,f2,&r); |
pmonic(vl,p0,f2,&t); f2 = t; rema(vl,p0,f1,f2,&r); |
if ( !r ) { |
if ( !r ) { |
pmonic(vl,p0,f2,&gcd); pqra(vl,p0,f,gcd,&flat,&r); |
pmonic(vl,p0,f2,&gcd); pqra(vl,p0,f,gcd,&flat,&r); |
break; |
break; |
} |
} |
f1 = f2; f2 = r; |
f1 = f2; f2 = r; |
} |
} |
if ( VR(gcd) != v ) { |
if ( VR(gcd) != v ) { |
a[i] = f; b[i] = 1; |
a[i] = f; b[i] = 1; |
break; |
break; |
} |
} |
for ( j = 1, f = gcd; ; j++ ) { |
for ( j = 1, f = gcd; ; j++ ) { |
pqra(vl,p0,f,flat,&q,&r); |
pqra(vl,p0,f,flat,&q,&r); |
if ( r ) |
if ( r ) |
break; |
break; |
else |
else |
f = q; |
f = q; |
} |
} |
a[i] = flat; b[i] = j; |
a[i] = flat; b[i] = j; |
} |
} |
for ( i = 0, j = 0, dc0 = 0; a[i]; i++ ) { |
for ( i = 0, j = 0, dc0 = 0; a[i]; i++ ) { |
NEXTDC(dc0,dc); j += b[i]; STOQ(j,DEG(dc)); |
NEXTDC(dc0,dc); j += b[i]; STOQ(j,DEG(dc)); |
if ( a[i+1] ) |
if ( a[i+1] ) |
pqra(vl,p0,a[i],a[i+1],&COEF(dc),&t); |
pqra(vl,p0,a[i],a[i+1],&COEF(dc),&t); |
else |
else |
COEF(dc) = a[i]; |
COEF(dc) = a[i]; |
} |
} |
NEXT(dc) = 0; *dcp = dc0; |
NEXT(dc) = 0; *dcp = dc0; |
} |
} |
} |
} |
|
|
void pqra(vl, p0, p1, p2, p, pr) |
void pqra(vl, p0, p1, p2, p, pr) |
|
|
P p0,p1,p2; |
P p0,p1,p2; |
P *p,*pr; |
P *p,*pr; |
{ |
{ |
V v,v1; |
V v,v1; |
P m,m1,q,r; |
P m,m1,q,r; |
Q tq; |
Q tq; |
int n; |
int n; |
|
|
if ( ( v = VR(p1) ) != ( v1 = VR(p2) ) ) { |
if ( ( v = VR(p1) ) != ( v1 = VR(p2) ) ) { |
while ( ( VR(vl) != v ) && ( VR(vl) != v1 ) ) |
while ( ( VR(vl) != v ) && ( VR(vl) != v1 ) ) |
vl = NEXT(vl); |
vl = NEXT(vl); |
if ( VR(vl) == v ) { |
if ( VR(vl) == v ) { |
*p = p1; *pr = 0; |
*p = p1; *pr = 0; |
} else { |
} else { |
*p = 0; *pr = p1; |
*p = 0; *pr = p1; |
} |
} |
} else if ( (n = deg(v,p1) - deg(v,p2)) < 0 ) { |
} else if ( (n = deg(v,p1) - deg(v,p2)) < 0 ) { |
*pr = p1; *p = 0; |
*pr = p1; *p = 0; |
} else { |
} else { |
n++; STOQ(n,tq); |
n++; STOQ(n,tq); |
pwrp(vl,LC(p2),tq,&m); mulp(vl,m,p1,&m1); divsrp(vl,m1,p2,&q,&r); |
pwrp(vl,LC(p2),tq,&m); mulp(vl,m,p1,&m1); divsrp(vl,m1,p2,&q,&r); |
remsdcp(vl,q,p0,p); remsdcp(vl,r,p0,pr); |
remsdcp(vl,q,p0,p); remsdcp(vl,r,p0,pr); |
} |
} |
} |
} |
|
|
void pmonic(vl, p0, p, pr) |
void pmonic(vl, p0, p, pr) |
VL vl; |
VL vl; |
P p,p0,*pr; |
P p,p0,*pr; |
{ |
{ |
P d,m,pp,c,t; |
P d,m,pp,c,t; |
|
|
if ( NUM(p) || ( VR(p) == VR(p0) ) ) |
if ( NUM(p) || ( VR(p) == VR(p0) ) ) |
*pr = (P)ONE; |
*pr = (P)ONE; |
else if ( NUM(COEF(DC(p))) ) |
else if ( NUM(COEF(DC(p))) ) |
*pr = p; |
*pr = p; |
else { |
else { |
ptozp(COEF(DC(p)),1,(Q *)&c,&pp); pinva(p0,pp,&d); |
ptozp(COEF(DC(p)),1,(Q *)&c,&pp); pinva(p0,pp,&d); |
mulp(vl,p,d,&m); remsdcp(vl,m,p0,&t); ptozp(t,1,(Q *)&c,pr); |
mulp(vl,p,d,&m); remsdcp(vl,m,p0,&t); ptozp(t,1,(Q *)&c,pr); |
} |
} |
} |
} |
|
|
void remsdcp(vl, p, p0, pr) |
void remsdcp(vl, p, p0, pr) |
VL vl; |
VL vl; |
P p,p0,*pr; |
P p,p0,*pr; |
{ |
{ |
P q,r,c; |
P q,r,c; |
DCP dc,dcr,dcr0; |
DCP dc,dcr,dcr0; |
|
|
if ( !p ) |
if ( !p ) |
*pr = 0; |
*pr = 0; |
else if ( NUM(p) ) |
else if ( NUM(p) ) |
*pr = (P)ONE; |
*pr = (P)ONE; |
else if ( VR(p) == VR(p0) ) { |
else if ( VR(p) == VR(p0) ) { |
divsrp(vl,p,p0,&q,&r); ptozp(r,1,(Q *)&c,pr); |
divsrp(vl,p,p0,&q,&r); ptozp(r,1,(Q *)&c,pr); |
} else { |
} else { |
for ( dcr = dcr0 = 0, dc = DC(p); dc; dc = NEXT(dc) ) { |
for ( dcr = dcr0 = 0, dc = DC(p); dc; dc = NEXT(dc) ) { |
divsrp(vl,COEF(dc),p0,&q,&r); |
divsrp(vl,COEF(dc),p0,&q,&r); |
if ( r ) { |
if ( r ) { |
NEXTDC(dcr0,dcr); DEG(dcr) = DEG(dc); COEF(dcr) = r; |
NEXTDC(dcr0,dcr); DEG(dcr) = DEG(dc); COEF(dcr) = r; |
} |
} |
} |
} |
if ( !dcr0 ) |
if ( !dcr0 ) |
*pr = 0; |
*pr = 0; |
else { |
else { |
NEXT(dcr) = 0; MKP(VR(p),dcr0,r); ptozp(r,1,(Q *)&c,pr); |
NEXT(dcr) = 0; MKP(VR(p),dcr0,r); ptozp(r,1,(Q *)&c,pr); |
} |
} |
} |
} |
} |
} |
|
|
void pinva(p0, p, pr) |
void pinva(p0, p, pr) |
P p,p0,*pr; |
P p,p0,*pr; |
{ |
{ |
V v; |
V v; |
Q f,q,q1; |
Q f,q,q1; |
Q u,t,a,b,s; |
Q u,t,a,b,s; |
P c,c1; |
P c,c1; |
P tg,th,tr; |
P tg,th,tr; |
P z,zz,zzz; |
P z,zz,zzz; |
UM wg,wh,ws,wt,wm; |
UM wg,wh,ws,wt,wm; |
int n,m,modres,mod,index,i; |
int n,m,modres,mod,index,i; |
|
|
v = VR(p); n=deg(v,p); m=deg(v,p0); |
v = VR(p); n=deg(v,p); m=deg(v,p0); |
norm(p,&a); norm(p0,&b); |
norm(p,&a); norm(p0,&b); |
STOQ(m,u); pwrq(a,u,&t); STOQ(n,u); pwrq(b,u,&s); |
STOQ(m,u); pwrq(a,u,&t); STOQ(n,u); pwrq(b,u,&s); |
mulq(t,s,&u); |
mulq(t,s,&u); |
factorial(n+m,&t); mulq(u,t,&s); addq(s,s,&f); |
factorial(n+m,&t); mulq(u,t,&s); addq(s,s,&f); |
wg = W_UMALLOC(m+n); wh = W_UMALLOC(m+n); |
wg = W_UMALLOC(m+n); wh = W_UMALLOC(m+n); |
wt = W_UMALLOC(m+n); ws = W_UMALLOC(m+n); |
wt = W_UMALLOC(m+n); ws = W_UMALLOC(m+n); |
wm = W_UMALLOC(m+n); |
wm = W_UMALLOC(m+n); |
for ( q = ONE, t = 0, c = 0, index = 0; ; ) { |
for ( q = ONE, t = 0, c = 0, index = 0; ; ) { |
mod = get_lprime(index++); |
mod = get_lprime(index++); |
if ( !rem(NM((Q)LC(p)),mod) || !rem(NM((Q)LC(p0)),mod) ) |
if ( !rem(NM((Q)LC(p)),mod) || !rem(NM((Q)LC(p0)),mod) ) |
continue; |
continue; |
ptomp(mod,p,&tg); ptomp(mod,p0,&th); srchump(mod,tg,th,&tr); |
ptomp(mod,p,&tg); ptomp(mod,p0,&th); srchump(mod,tg,th,&tr); |
if ( !tr ) |
if ( !tr ) |
continue; |
continue; |
else |
else |
modres = CONT((MQ)tr); |
modres = CONT((MQ)tr); |
mptoum(tg,wg); mptoum(th,wh); |
mptoum(tg,wg); mptoum(th,wh); |
eucum(mod,wg,wh,ws,wt); /* wg * ws + wh * wt = 1 */ |
eucum(mod,wg,wh,ws,wt); /* wg * ws + wh * wt = 1 */ |
DEG(wm) = 0; COEF(wm)[0] = modres; |
DEG(wm) = 0; COEF(wm)[0] = modres; |
mulum(mod,ws,wm,wt); |
mulum(mod,ws,wm,wt); |
for ( i = DEG(wt); i >= 0; i-- ) |
for ( i = DEG(wt); i >= 0; i-- ) |
if ( ( COEF(wt)[i] * 2 ) > mod ) |
if ( ( COEF(wt)[i] * 2 ) > mod ) |
COEF(wt)[i] -= mod; |
COEF(wt)[i] -= mod; |
chnrem(mod,v,c,q,wt,&c1,&q1); |
chnrem(mod,v,c,q,wt,&c1,&q1); |
if ( !ucmpp(c,c1) ) { |
if ( !ucmpp(c,c1) ) { |
mulp(CO,c,p,&z); divsrp(CO,z,p0,&zz,&zzz); |
mulp(CO,c,p,&z); divsrp(CO,z,p0,&zz,&zzz); |
if ( NUM(zzz) ) { |
if ( NUM(zzz) ) { |
q = q1; c = c1; break; |
q = q1; c = c1; break; |
} |
} |
} |
} |
q = q1; c = c1; |
q = q1; c = c1; |
if ( cmpq(f,q) < 0 ) |
if ( cmpq(f,q) < 0 ) |
break; |
break; |
} |
} |
ptozp(c,1,&s,pr); |
ptozp(c,1,&s,pr); |
|
} |
|
|
|
/* |
|
* compute g s.t. h*p0+g*p = res(v,p0,p) |
|
*/ |
|
|
|
void inva_chrem(P p0, P p, NODE *pr) |
|
{ |
|
V v; |
|
Q f,q,q1; |
|
Q u,t,a,b,s,dn; |
|
P c,c0,c1; |
|
P tg,th,tr; |
|
P z,zz,zzz; |
|
UM wg,wh,ws,wt,wm; |
|
int n,m,modres,mod,index,i; |
|
|
|
v = VR(p); n=deg(v,p); m=deg(v,p0); |
|
norm(p,&a); norm(p0,&b); |
|
STOQ(m,u); pwrq(a,u,&t); STOQ(n,u); pwrq(b,u,&s); |
|
mulq(t,s,&u); |
|
factorial(n+m,&t); mulq(u,t,&s); addq(s,s,&f); |
|
wg = W_UMALLOC(m+n); wh = W_UMALLOC(m+n); |
|
wt = W_UMALLOC(m+n); ws = W_UMALLOC(m+n); |
|
wm = W_UMALLOC(m+n); |
|
for ( q = ONE, t = 0, c = 0, index = 0; ; ) { |
|
mod = get_lprime(index++); |
|
if ( !rem(NM((Q)LC(p)),mod) || !rem(NM((Q)LC(p0)),mod) ) |
|
continue; |
|
ptomp(mod,p,&tg); ptomp(mod,p0,&th); srchump(mod,tg,th,&tr); |
|
if ( !tr ) |
|
continue; |
|
else |
|
modres = CONT((MQ)tr); |
|
mptoum(tg,wg); mptoum(th,wh); |
|
eucum(mod,wg,wh,ws,wt); /* wg * ws + wh * wt = 1 */ |
|
DEG(wm) = 0; COEF(wm)[0] = modres; |
|
mulum(mod,ws,wm,wt); |
|
for ( i = DEG(wt); i >= 0; i-- ) |
|
if ( ( COEF(wt)[i] * 2 ) > mod ) |
|
COEF(wt)[i] -= mod; |
|
chnrem(mod,v,c,q,wt,&c1,&q1); |
|
if ( !ucmpp(c,c1) ) { |
|
mulp(CO,c,p,&z); divsrp(CO,z,p0,&zz,&zzz); |
|
if ( NUM(zzz) ) { |
|
q = (Q)zzz; break; |
|
} |
|
} |
|
q = q1; c = c1; |
|
if ( cmpq(f,q) < 0 ) { |
|
mulp(CO,c,p,&z); divsrp(CO,z,p0,&zz,&zzz); |
|
q = (Q)zzz; |
|
break; |
|
} |
|
} |
|
/* c*p = q mod p0 */ |
|
/* c = s*c0 */ |
|
ptozp(c,1,&s,&c0); |
|
/* c/q = c0/(q/s) */ |
|
divq(q,s,&dn); |
|
*pr = (NODE)mknode(2,c0,dn); |
} |
} |