version 1.5, 2000/08/22 05:04:04 |
version 1.10, 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/Q.c,v 1.4 2000/08/21 08:31:27 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/engine/Q.c,v 1.9 2002/08/14 04:49:52 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "base.h" |
#include "base.h" |
#include "inline.h" |
#include "inline.h" |
|
|
void addq(n1,n2,nr) |
void addq(Q n1,Q n2,Q *nr) |
Q n1,n2,*nr; |
|
{ |
{ |
N nm,dn,nm1,nm2,nm3,dn0,dn1,dn2,g,g1,g0,m; |
N nm,dn,nm1,nm2,nm3,dn0,dn1,dn2,g,g1,g0,m; |
int sgn; |
int sgn; |
unsigned t,t1; |
unsigned t,t1; |
|
|
if ( !n1 ) |
if ( !n1 ) |
*nr = n2; |
*nr = n2; |
else if ( !n2 ) |
else if ( !n2 ) |
*nr = n1; |
*nr = n1; |
else if ( INT(n1) ) |
else if ( INT(n1) ) |
if ( INT(n2) ) { |
if ( INT(n2) ) { |
nm1 = NM(n1); nm2 = NM(n2); |
nm1 = NM(n1); nm2 = NM(n2); |
if ( SGN(n1) == SGN(n2) ) { |
if ( SGN(n1) == SGN(n2) ) { |
if ( PL(nm1) == 1 && PL(nm2) == 1 ) { |
if ( PL(nm1) == 1 && PL(nm2) == 1 ) { |
t1 = BD(nm1)[0]; t = t1+BD(nm2)[0]; |
t1 = BD(nm1)[0]; t = t1+BD(nm2)[0]; |
if ( t < t1 ) { |
if ( t < t1 ) { |
m = NALLOC(2); PL(m) = 2; BD(m)[0] = t; BD(m)[1] = 1; |
m = NALLOC(2); PL(m) = 2; BD(m)[0] = t; BD(m)[1] = 1; |
} else |
} else |
UTON(t,m); |
UTON(t,m); |
} else |
} else |
addn(NM(n1),NM(n2),&m); |
addn(NM(n1),NM(n2),&m); |
NTOQ(m,SGN(n1),*nr); |
NTOQ(m,SGN(n1),*nr); |
} else { |
} else { |
if ( PL(nm1) == 1 && PL(nm2) == 1 ) { |
if ( PL(nm1) == 1 && PL(nm2) == 1 ) { |
t1 = BD(nm1)[0]; t = t1-BD(nm2)[0]; |
t1 = BD(nm1)[0]; t = t1-BD(nm2)[0]; |
if ( !t ) |
if ( !t ) |
sgn = 0; |
sgn = 0; |
else if ( t > t1 ) { |
else if ( t > t1 ) { |
sgn = -1; t = -((int)t); UTON(t,m); |
sgn = -1; t = -((int)t); UTON(t,m); |
} else { |
} else { |
sgn = 1; UTON(t,m); |
sgn = 1; UTON(t,m); |
} |
} |
} else |
} else |
sgn = subn(NM(n1),NM(n2),&m); |
sgn = subn(NM(n1),NM(n2),&m); |
if ( sgn ) { |
if ( sgn ) { |
if ( SGN(n1) == sgn ) |
if ( SGN(n1) == sgn ) |
NTOQ(m,1,*nr); |
NTOQ(m,1,*nr); |
else |
else |
NTOQ(m,-1,*nr); |
NTOQ(m,-1,*nr); |
} else |
} else |
*nr = 0; |
*nr = 0; |
} |
} |
} else { |
} else { |
kmuln(NM(n1),DN(n2),&m); |
kmuln(NM(n1),DN(n2),&m); |
if ( SGN(n1) == SGN(n2) ) { |
if ( SGN(n1) == SGN(n2) ) { |
sgn = SGN(n1); addn(m,NM(n2),&nm); |
sgn = SGN(n1); addn(m,NM(n2),&nm); |
} else |
} else |
sgn = SGN(n1)*subn(m,NM(n2),&nm); |
sgn = SGN(n1)*subn(m,NM(n2),&nm); |
if ( sgn ) { |
if ( sgn ) { |
dn = DN(n2); NDTOQ(nm,dn,sgn,*nr); |
dn = DN(n2); NDTOQ(nm,dn,sgn,*nr); |
} else |
} else |
*nr = 0; |
*nr = 0; |
} |
} |
else if ( INT(n2) ) { |
else if ( INT(n2) ) { |
kmuln(NM(n2),DN(n1),&m); |
kmuln(NM(n2),DN(n1),&m); |
if ( SGN(n1) == SGN(n2) ) { |
if ( SGN(n1) == SGN(n2) ) { |
sgn = SGN(n1); addn(m,NM(n1),&nm); |
sgn = SGN(n1); addn(m,NM(n1),&nm); |
} else |
} else |
sgn = SGN(n1)*subn(NM(n1),m,&nm); |
sgn = SGN(n1)*subn(NM(n1),m,&nm); |
if ( sgn ) { |
if ( sgn ) { |
dn = DN(n1); NDTOQ(nm,dn,sgn,*nr); |
dn = DN(n1); NDTOQ(nm,dn,sgn,*nr); |
} else |
} else |
*nr = 0; |
*nr = 0; |
} else { |
} else { |
gcdn(DN(n1),DN(n2),&g); divsn(DN(n1),g,&dn1); divsn(DN(n2),g,&dn2); |
gcdn(DN(n1),DN(n2),&g); divsn(DN(n1),g,&dn1); divsn(DN(n2),g,&dn2); |
kmuln(NM(n1),dn2,&nm1); kmuln(NM(n2),dn1,&nm2); |
kmuln(NM(n1),dn2,&nm1); kmuln(NM(n2),dn1,&nm2); |
if ( SGN(n1) == SGN(n2) ) { |
if ( SGN(n1) == SGN(n2) ) { |
sgn = SGN(n1); addn(nm1,nm2,&nm3); |
sgn = SGN(n1); addn(nm1,nm2,&nm3); |
} else |
} else |
sgn = SGN(n1)*subn(nm1,nm2,&nm3); |
sgn = SGN(n1)*subn(nm1,nm2,&nm3); |
if ( sgn ) { |
if ( sgn ) { |
gcdn(nm3,g,&g1); divsn(nm3,g1,&nm); divsn(g,g1,&g0); |
gcdn(nm3,g,&g1); divsn(nm3,g1,&nm); divsn(g,g1,&g0); |
kmuln(dn1,dn2,&dn0); kmuln(g0,dn0,&dn); |
kmuln(dn1,dn2,&dn0); kmuln(g0,dn0,&dn); |
if ( UNIN(dn) ) |
if ( UNIN(dn) ) |
NTOQ(nm,sgn,*nr); |
NTOQ(nm,sgn,*nr); |
else |
else |
NDTOQ(nm,dn,sgn,*nr); |
NDTOQ(nm,dn,sgn,*nr); |
} else |
} else |
*nr = 0; |
*nr = 0; |
} |
} |
} |
} |
|
|
void subq(n1,n2,nr) |
void subq(Q n1,Q n2,Q *nr) |
Q n1,n2,*nr; |
|
{ |
{ |
Q m; |
Q m; |
|
|
if ( !n1 ) |
if ( !n1 ) |
if ( !n2 ) |
if ( !n2 ) |
*nr = 0; |
*nr = 0; |
else { |
else { |
DUPQ(n2,*nr); SGN(*nr) = -SGN(n2); |
DUPQ(n2,*nr); SGN(*nr) = -SGN(n2); |
} |
} |
else if ( !n2 ) |
else if ( !n2 ) |
*nr = n1; |
*nr = n1; |
else if ( n1 == n2 ) |
else if ( n1 == n2 ) |
*nr = 0; |
*nr = 0; |
else { |
else { |
DUPQ(n2,m); SGN(m) = -SGN(n2); addq(n1,m,nr); |
DUPQ(n2,m); SGN(m) = -SGN(n2); addq(n1,m,nr); |
} |
} |
} |
} |
|
|
void mulq(n1,n2,nr) |
void mulq(Q n1,Q n2,Q *nr) |
Q n1,n2,*nr; |
|
{ |
{ |
N nm,nm1,nm2,dn,dn1,dn2,g; |
N nm,nm1,nm2,dn,dn1,dn2,g; |
int sgn; |
int sgn; |
unsigned u,l; |
unsigned u,l; |
|
|
if ( !n1 || !n2 ) *nr = 0; |
if ( !n1 || !n2 ) *nr = 0; |
else if ( INT(n1) ) |
else if ( INT(n1) ) |
if ( INT(n2) ) { |
if ( INT(n2) ) { |
nm1 = NM(n1); nm2 = NM(n2); |
nm1 = NM(n1); nm2 = NM(n2); |
if ( PL(nm1) == 1 && PL(nm2) == 1 ) { |
if ( PL(nm1) == 1 && PL(nm2) == 1 ) { |
DM(BD(NM(n1))[0],BD(NM(n2))[0],u,l) |
DM(BD(NM(n1))[0],BD(NM(n2))[0],u,l) |
if ( u ) { |
if ( u ) { |
nm = NALLOC(2); PL(nm) = 2; BD(nm)[0] = l; BD(nm)[1] = u; |
nm = NALLOC(2); PL(nm) = 2; BD(nm)[0] = l; BD(nm)[1] = u; |
} else { |
} else { |
nm = NALLOC(1); PL(nm) = 1; BD(nm)[0] = l; |
nm = NALLOC(1); PL(nm) = 1; BD(nm)[0] = l; |
} |
} |
} else |
} else |
kmuln(nm1,nm2,&nm); |
kmuln(nm1,nm2,&nm); |
sgn = (SGN(n1)==SGN(n2)?1:-1); NTOQ(nm,sgn,*nr); |
sgn = (SGN(n1)==SGN(n2)?1:-1); NTOQ(nm,sgn,*nr); |
} else { |
} else { |
gcdn(NM(n1),DN(n2),&g); divsn(NM(n1),g,&nm1); divsn(DN(n2),g,&dn); |
gcdn(NM(n1),DN(n2),&g); divsn(NM(n1),g,&nm1); divsn(DN(n2),g,&dn); |
kmuln(nm1,NM(n2),&nm); sgn = SGN(n1)*SGN(n2); |
kmuln(nm1,NM(n2),&nm); sgn = SGN(n1)*SGN(n2); |
if ( UNIN(dn) ) |
if ( UNIN(dn) ) |
NTOQ(nm,sgn,*nr); |
NTOQ(nm,sgn,*nr); |
else |
else |
NDTOQ(nm,dn,sgn,*nr); |
NDTOQ(nm,dn,sgn,*nr); |
} |
} |
else if ( INT(n2) ) { |
else if ( INT(n2) ) { |
gcdn(NM(n2),DN(n1),&g); divsn(NM(n2),g,&nm2); divsn(DN(n1),g,&dn); |
gcdn(NM(n2),DN(n1),&g); divsn(NM(n2),g,&nm2); divsn(DN(n1),g,&dn); |
kmuln(nm2,NM(n1),&nm); sgn = SGN(n1)*SGN(n2); |
kmuln(nm2,NM(n1),&nm); sgn = SGN(n1)*SGN(n2); |
if ( UNIN(dn) ) |
if ( UNIN(dn) ) |
NTOQ(nm,sgn,*nr); |
NTOQ(nm,sgn,*nr); |
else |
else |
NDTOQ(nm,dn,sgn,*nr); |
NDTOQ(nm,dn,sgn,*nr); |
} else { |
} else { |
gcdn(NM(n1),DN(n2),&g); divsn(NM(n1),g,&nm1); divsn(DN(n2),g,&dn2); |
gcdn(NM(n1),DN(n2),&g); divsn(NM(n1),g,&nm1); divsn(DN(n2),g,&dn2); |
gcdn(DN(n1),NM(n2),&g); divsn(DN(n1),g,&dn1); divsn(NM(n2),g,&nm2); |
gcdn(DN(n1),NM(n2),&g); divsn(DN(n1),g,&dn1); divsn(NM(n2),g,&nm2); |
kmuln(nm1,nm2,&nm); kmuln(dn1,dn2,&dn); sgn = SGN(n1) * SGN(n2); |
kmuln(nm1,nm2,&nm); kmuln(dn1,dn2,&dn); sgn = SGN(n1) * SGN(n2); |
if ( UNIN(dn) ) |
if ( UNIN(dn) ) |
NTOQ(nm,sgn,*nr); |
NTOQ(nm,sgn,*nr); |
else |
else |
NDTOQ(nm,dn,sgn,*nr); |
NDTOQ(nm,dn,sgn,*nr); |
} |
} |
} |
} |
|
|
void divq(n1,n2,nq) |
void divq(Q n1,Q n2,Q *nq) |
Q n1,n2,*nq; |
|
{ |
{ |
Q m; |
Q m; |
|
|
if ( !n2 ) { |
if ( !n2 ) { |
error("division by 0"); |
error("division by 0"); |
*nq = 0; |
*nq = 0; |
return; |
return; |
} else if ( !n1 ) |
} else if ( !n1 ) |
*nq = 0; |
*nq = 0; |
else if ( n1 == n2 ) |
else if ( n1 == n2 ) |
*nq = ONE; |
*nq = ONE; |
else { |
else { |
invq(n2,&m); mulq(n1,m,nq); |
invq(n2,&m); mulq(n1,m,nq); |
} |
} |
} |
} |
|
|
void invq(n,nr) |
void divsq(Q n1,Q n2,Q *nq) |
Q n,*nr; |
|
{ |
{ |
N nm,dn; |
int sgn; |
|
N tn; |
|
|
if ( INT(n) ) |
if ( !n2 ) { |
if ( UNIN(NM(n)) ) |
error("division by 0"); |
if ( SGN(n) > 0 ) |
*nq = 0; |
*nr = ONE; |
return; |
else { |
} else if ( !n1 ) |
nm = ONEN; NTOQ(nm,SGN(n),*nr); |
*nq = 0; |
} |
else if ( n1 == n2 ) |
else { |
*nq = ONE; |
nm = ONEN; dn = NM(n); NDTOQ(nm,dn,SGN(n),*nr); |
else { |
} |
divsn(NM(n1),NM(n2),&tn); |
else if ( UNIN(NM(n)) ) { |
sgn = SGN(n1)*SGN(n2); |
nm = DN(n); NTOQ(nm,SGN(n),*nr); |
NTOQ(tn,sgn,*nq); |
} else { |
} |
nm = DN(n); dn = NM(n); NDTOQ(nm,dn,SGN(n),*nr); |
|
} |
|
} |
} |
|
|
void chsgnq(n,nr) |
void invq(Q n,Q *nr) |
Q n,*nr; |
|
{ |
{ |
Q t; |
N nm,dn; |
|
|
if ( !n ) |
if ( INT(n) ) |
*nr = 0; |
if ( UNIN(NM(n)) ) |
else { |
if ( SGN(n) > 0 ) |
DUPQ(n,t); SGN(t) = -SGN(t); *nr = t; |
*nr = ONE; |
} |
else { |
|
nm = ONEN; NTOQ(nm,SGN(n),*nr); |
|
} |
|
else { |
|
nm = ONEN; dn = NM(n); NDTOQ(nm,dn,SGN(n),*nr); |
|
} |
|
else if ( UNIN(NM(n)) ) { |
|
nm = DN(n); NTOQ(nm,SGN(n),*nr); |
|
} else { |
|
nm = DN(n); dn = NM(n); NDTOQ(nm,dn,SGN(n),*nr); |
|
} |
} |
} |
|
|
void pwrq(n1,n,nr) |
void chsgnq(Q n,Q *nr) |
Q n1,n,*nr; |
|
{ |
{ |
N nm,dn; |
Q t; |
int sgn; |
|
|
|
if ( !n || UNIQ(n1) ) |
if ( !n ) |
*nr = ONE; |
*nr = 0; |
else if ( !n1 ) |
else { |
*nr = 0; |
DUPQ(n,t); SGN(t) = -SGN(t); *nr = t; |
else if ( !INT(n) ) { |
} |
error("can't calculate fractional power."); *nr = 0; |
|
} else if ( MUNIQ(n1) ) |
|
*nr = BD(NM(n))[0]%2 ? n1 : ONE; |
|
else if ( PL(NM(n)) > 1 ) { |
|
error("exponent too big."); *nr = 0; |
|
} else { |
|
sgn = ((SGN(n1)>0)||EVENN(NM(n))?1:-1); |
|
pwrn(NM(n1),BD(NM(n))[0],&nm); |
|
if ( INT(n1) ) { |
|
if ( UNIN(nm) ) |
|
if ( sgn == 1 ) |
|
*nr = ONE; |
|
else |
|
NTOQ(ONEN,sgn,*nr); |
|
else if ( SGN(n) > 0 ) |
|
NTOQ(nm,sgn,*nr); |
|
else |
|
NDTOQ(ONEN,nm,sgn,*nr); |
|
} else { |
|
pwrn(DN(n1),BD(NM(n))[0],&dn); |
|
if ( SGN(n) > 0 ) |
|
NDTOQ(nm,dn,sgn,*nr); |
|
else if ( UNIN(nm) ) |
|
NTOQ(dn,sgn,*nr); |
|
else |
|
NDTOQ(dn,nm,sgn,*nr); |
|
} |
|
} |
|
} |
} |
|
|
int cmpq(q1,q2) |
void pwrq(Q n1,Q n,Q *nr) |
Q q1,q2; |
|
{ |
{ |
int sgn; |
N nm,dn; |
N t,s; |
int sgn; |
|
|
if ( !q1 ) |
if ( !n || UNIQ(n1) ) |
if ( !q2 ) |
*nr = ONE; |
return ( 0 ); |
else if ( !n1 ) |
else |
*nr = 0; |
return ( -SGN(q2) ); |
else if ( !INT(n) ) { |
else if ( !q2 ) |
error("can't calculate fractional power."); *nr = 0; |
return ( SGN(q1) ); |
} else if ( MUNIQ(n1) ) |
else if ( SGN(q1) != SGN(q2) ) |
*nr = BD(NM(n))[0]%2 ? n1 : ONE; |
return ( SGN(q1) ); |
else if ( PL(NM(n)) > 1 ) { |
else if ( INT(q1) ) |
error("exponent too big."); *nr = 0; |
if ( INT(q2) ) { |
} else { |
sgn = cmpn(NM(q1),NM(q2)); |
sgn = ((SGN(n1)>0)||EVENN(NM(n))?1:-1); |
if ( !sgn ) |
pwrn(NM(n1),BD(NM(n))[0],&nm); |
return ( 0 ); |
if ( INT(n1) ) { |
else |
if ( UNIN(nm) ) |
return ( SGN(q1)==sgn?1:-1 ); |
if ( sgn == 1 ) |
} else { |
*nr = ONE; |
kmuln(NM(q1),DN(q2),&t); sgn = cmpn(t,NM(q2)); |
else |
return ( SGN(q1) * sgn ); |
NTOQ(ONEN,sgn,*nr); |
} |
else if ( SGN(n) > 0 ) |
else if ( INT(q2) ) { |
NTOQ(nm,sgn,*nr); |
kmuln(NM(q2),DN(q1),&t); sgn = cmpn(NM(q1),t); |
else |
return ( SGN(q1) * sgn ); |
NDTOQ(ONEN,nm,sgn,*nr); |
} else { |
} else { |
kmuln(NM(q1),DN(q2),&t); kmuln(NM(q2),DN(q1),&s); sgn = cmpn(t,s); |
pwrn(DN(n1),BD(NM(n))[0],&dn); |
return ( SGN(q1) * sgn ); |
if ( SGN(n) > 0 ) |
} |
NDTOQ(nm,dn,sgn,*nr); |
|
else if ( UNIN(nm) ) |
|
NTOQ(dn,sgn,*nr); |
|
else |
|
NDTOQ(dn,nm,sgn,*nr); |
|
} |
|
} |
} |
} |
|
|
void remq(n,m,nr) |
int cmpq(Q q1,Q q2) |
Q n,m; |
|
Q *nr; |
|
{ |
{ |
N q,r,s; |
int sgn; |
|
N t,s; |
|
|
if ( !n ) { |
if ( !q1 ) |
*nr = 0; |
if ( !q2 ) |
return; |
return ( 0 ); |
} |
else |
divn(NM(n),NM(m),&q,&r); |
return ( -SGN(q2) ); |
if ( !r ) |
else if ( !q2 ) |
*nr = 0; |
return ( SGN(q1) ); |
else if ( SGN(n) > 0 ) |
else if ( SGN(q1) != SGN(q2) ) |
NTOQ(r,1,*nr); |
return ( SGN(q1) ); |
else { |
else if ( INT(q1) ) |
subn(NM(m),r,&s); NTOQ(s,1,*nr); |
if ( INT(q2) ) { |
} |
sgn = cmpn(NM(q1),NM(q2)); |
|
if ( !sgn ) |
|
return ( 0 ); |
|
else |
|
return ( SGN(q1)==sgn?1:-1 ); |
|
} else { |
|
kmuln(NM(q1),DN(q2),&t); sgn = cmpn(t,NM(q2)); |
|
return ( SGN(q1) * sgn ); |
|
} |
|
else if ( INT(q2) ) { |
|
kmuln(NM(q2),DN(q1),&t); sgn = cmpn(NM(q1),t); |
|
return ( SGN(q1) * sgn ); |
|
} else { |
|
kmuln(NM(q1),DN(q2),&t); kmuln(NM(q2),DN(q1),&s); sgn = cmpn(t,s); |
|
return ( SGN(q1) * sgn ); |
|
} |
} |
} |
|
|
|
void remq(Q n,Q m,Q *nr) |
|
{ |
|
N q,r,s; |
|
|
|
if ( !n ) { |
|
*nr = 0; |
|
return; |
|
} |
|
divn(NM(n),NM(m),&q,&r); |
|
if ( !r ) |
|
*nr = 0; |
|
else if ( SGN(n) > 0 ) |
|
NTOQ(r,1,*nr); |
|
else { |
|
subn(NM(m),r,&s); NTOQ(s,1,*nr); |
|
} |
|
} |
|
|
/* t = [nC0 nC1 ... nCn] */ |
/* t = [nC0 nC1 ... nCn] */ |
|
|
void mkbc(n,t) |
void mkbc(int n,Q *t) |
int n; |
|
Q *t; |
|
{ |
{ |
int i; |
int i; |
N c,d; |
N c,d; |
|
|
for ( t[0] = ONE, i = 1; i <= n/2; i++ ) { |
for ( t[0] = ONE, i = 1; i <= n/2; i++ ) { |
c = NALLOC(1); PL(c) = 1; BD(c)[0] = n-i+1; |
c = NALLOC(1); PL(c) = 1; BD(c)[0] = n-i+1; |
kmuln(NM(t[i-1]),c,&d); divin(d,i,&c); NTOQ(c,1,t[i]); |
kmuln(NM(t[i-1]),c,&d); divin(d,i,&c); NTOQ(c,1,t[i]); |
} |
} |
for ( ; i <= n; i++ ) |
for ( ; i <= n; i++ ) |
t[i] = t[n-i]; |
t[i] = t[n-i]; |
} |
} |
|
|
/* |
/* |
|
|
* where W(k,l,i) = i! * kCi * lCi |
* where W(k,l,i) = i! * kCi * lCi |
*/ |
*/ |
|
|
void mkwc(k,l,t) |
void mkwc(int k,int l,Q *t) |
int k,l; |
|
Q *t; |
|
{ |
{ |
int i,n,up,low; |
int i,n,up,low; |
N nm,d,c; |
N nm,d,c; |
|
|
n = MIN(k,l); |
n = MIN(k,l); |
for ( t[0] = ONE, i = 1; i <= n; i++ ) { |
for ( t[0] = ONE, i = 1; i <= n; i++ ) { |
DM(k-i+1,l-i+1,up,low); |
DM(k-i+1,l-i+1,up,low); |
if ( up ) { |
if ( up ) { |
nm = NALLOC(2); PL(nm) = 2; BD(nm)[0] = low; BD(nm)[1] = up; |
nm = NALLOC(2); PL(nm) = 2; BD(nm)[0] = low; BD(nm)[1] = up; |
} else { |
} else { |
nm = NALLOC(1); PL(nm) = 1; BD(nm)[0] = low; |
nm = NALLOC(1); PL(nm) = 1; BD(nm)[0] = low; |
} |
} |
kmuln(NM(t[i-1]),nm,&d); divin(d,i,&c); NTOQ(c,1,t[i]); |
kmuln(NM(t[i-1]),nm,&d); divin(d,i,&c); NTOQ(c,1,t[i]); |
} |
} |
} |
} |
|
|
/* mod m table */ |
/* mod m table */ |
/* XXX : should be optimized */ |
/* XXX : should be optimized */ |
|
|
void mkwcm(k,l,m,t) |
void mkwcm(int k,int l,int m,int *t) |
int k,l,m; |
|
int *t; |
|
{ |
{ |
int i,n; |
int i,n; |
Q *s; |
Q *s; |
|
|
n = MIN(k,l); |
n = MIN(k,l); |
s = (Q *)ALLOCA((n+1)*sizeof(Q)); |
s = (Q *)ALLOCA((n+1)*sizeof(Q)); |
mkwc(k,l,s); |
mkwc(k,l,s); |
for ( i = 0; i <= n; i++ ) { |
for ( i = 0; i <= n; i++ ) { |
t[i] = rem(NM(s[i]),m); |
t[i] = rem(NM(s[i]),m); |
} |
} |
} |
} |
|
|
void factorial(n,r) |
#if 0 |
int n; |
void factorial(int n,Q *r) |
Q *r; |
|
{ |
{ |
Q t,iq,s; |
Q t,iq,s; |
unsigned int i,m,m0; |
unsigned int i,m,m0; |
unsigned int c; |
unsigned int c; |
|
|
if ( !n ) |
if ( !n ) |
*r = ONE; |
*r = ONE; |
else if ( n < 0 ) |
else if ( n < 0 ) |
*r = 0; |
*r = 0; |
else { |
else { |
for ( i = 1, t = ONE; (int)i <= n; ) { |
for ( i = 1, t = ONE; (int)i <= n; ) { |
for ( m0 = m = 1, c = 0; ((int)i <= n) && !c; i++ ) { |
for ( m0 = m = 1, c = 0; ((int)i <= n) && !c; i++ ) { |
m0 = m; DM(m0,i,c,m) |
m0 = m; DM(m0,i,c,m) |
} |
} |
if ( c ) { |
if ( c ) { |
m = m0; i--; |
m = m0; i--; |
} |
} |
UTOQ(m,iq); mulq(t,iq,&s); t = s; |
UTOQ(m,iq); mulq(t,iq,&s); t = s; |
} |
} |
*r = t; |
*r = t; |
} |
} |
} |
} |
|
#endif |
|
|
void invl(a,mod,ar) |
void partial_factorial(int s,int e,N *r); |
Q a,mod,*ar; |
|
|
void factorial(int n,Q *r) |
{ |
{ |
Q f1,f2,a1,a2,q,m,s; |
N nm; |
N qn,rn; |
|
|
|
a1 = ONE; a2 = 0; |
if ( !n ) |
DUPQ(a,f1); SGN(f1) = 1; f2 = mod; |
*r = ONE; |
|
else if ( n < 0 ) |
|
*r = 0; |
|
else { |
|
partial_factorial(1,n,&nm); |
|
NTOQ(nm,1,*r); |
|
} |
|
} |
|
|
while ( 1 ) { |
/* s*(s+1)*...*e */ |
divn(NM(f1),NM(f2),&qn,&rn); |
void partial_factorial(int s,int e,N *r) |
if ( !qn ) |
{ |
q = 0; |
unsigned int len,i,m,m0,c; |
else |
unsigned int *p,*p1,*p2; |
NTOQ(qn,1,q); |
N nm,r1,r2; |
|
|
f1 = f2; |
/* XXX */ |
if ( !rn ) |
if ( e-s > 2000 ) { |
break; |
m = (e+s)/2; |
else |
partial_factorial(s,m,&r1); |
NTOQ(rn,1,f2); |
partial_factorial(m+1,e,&r2); |
|
kmuln(r1,r2,r); |
|
return; |
|
} |
|
/* find i s.t. 2^(i-1) < m <= 2^i */ |
|
for ( i = 0, m = 1; m < e; m <<=1, i++ ); |
|
/* XXX estimate of word length of the result */ |
|
len = (i*(e-s+1)+1+31)/32; |
|
p = ALLOCA((len+1)*sizeof(int)); |
|
p1 = ALLOCA((len+1)*sizeof(int)); |
|
p[0] = s; |
|
len = 1; |
|
for ( i = s+1; (int)i <= e; ) { |
|
for ( m0 = m = 1, c = 0; ((int)i <= e) && !c; i++ ) { |
|
m0 = m; DM(m0,i,c,m) |
|
} |
|
if ( c ) { |
|
m = m0; i--; |
|
} |
|
bzero(p1,(len+1)*sizeof(int)); |
|
muln_1(p,len,m,p1); |
|
if ( p1[len] ) |
|
len++; |
|
p2 = p; p = p1; p1 = p2; |
|
} |
|
*r = nm = NALLOC(len); |
|
bcopy(p,BD(nm),sizeof(int)*len); |
|
PL(nm) = len; |
|
} |
|
|
mulq(a2,q,&m); subq(a1,m,&s); a1 = a2; |
void invl(Q a,Q mod,Q *ar) |
if ( !s ) |
{ |
a2 = 0; |
Q f1,f2,a1,a2,q,m,s; |
else |
N qn,rn; |
remq(s,mod,&a2); |
|
} |
|
if ( SGN(a) < 0 ) |
|
chsgnq(a2,&m); |
|
else |
|
m = a2; |
|
|
|
if ( SGN(m) >= 0 ) |
a1 = ONE; a2 = 0; |
*ar = m; |
DUPQ(a,f1); SGN(f1) = 1; f2 = mod; |
else |
|
addq(m,mod,ar); |
while ( 1 ) { |
|
divn(NM(f1),NM(f2),&qn,&rn); |
|
if ( !qn ) |
|
q = 0; |
|
else |
|
NTOQ(qn,1,q); |
|
|
|
f1 = f2; |
|
if ( !rn ) |
|
break; |
|
else |
|
NTOQ(rn,1,f2); |
|
|
|
mulq(a2,q,&m); subq(a1,m,&s); a1 = a2; |
|
if ( !s ) |
|
a2 = 0; |
|
else |
|
remq(s,mod,&a2); |
|
} |
|
if ( SGN(a) < 0 ) |
|
chsgnq(a2,&m); |
|
else |
|
m = a2; |
|
|
|
if ( SGN(m) >= 0 ) |
|
*ar = m; |
|
else |
|
addq(m,mod,ar); |
} |
} |
|
|
int kara_mag=100; |
int kara_mag=100; |
|
|
void kmuln(n1,n2,nr) |
void kmuln(N n1,N n2,N *nr) |
N n1,n2,*nr; |
|
{ |
{ |
N n,t,s,m,carry; |
N n,t,s,m,carry; |
int d,d1,d2,len,i,l; |
int d,d1,d2,len,i,l; |
int *r,*r0; |
int *r,*r0; |
|
|
if ( !n1 || !n2 ) { |
if ( !n1 || !n2 ) { |
*nr = 0; return; |
*nr = 0; return; |
} |
} |
d1 = PL(n1); d2 = PL(n2); |
d1 = PL(n1); d2 = PL(n2); |
if ( (d1 < kara_mag) || (d2 < kara_mag) ) { |
if ( (d1 < kara_mag) || (d2 < kara_mag) ) { |
muln(n1,n2,nr); return; |
muln(n1,n2,nr); return; |
} |
} |
if ( d1 < d2 ) { |
if ( d1 < d2 ) { |
n = n1; n1 = n2; n2 = n; |
n = n1; n1 = n2; n2 = n; |
d = d1; d1 = d2; d2 = d; |
d = d1; d1 = d2; d2 = d; |
} |
} |
if ( d2 > (d1+1)/2 ) { |
if ( d2 > (d1+1)/2 ) { |
kmulnmain(n1,n2,nr); return; |
kmulnmain(n1,n2,nr); return; |
} |
} |
d = (d1/d2)+((d1%d2)!=0); |
d = (d1/d2)+((d1%d2)!=0); |
len = (d+1)*d2; |
len = (d+1)*d2; |
r0 = (int *)ALLOCA(len*sizeof(int)); |
r0 = (int *)ALLOCA(len*sizeof(int)); |
bzero((char *)r0,len*sizeof(int)); |
bzero((char *)r0,len*sizeof(int)); |
for ( carry = 0, i = 0, r = r0; i < d; i++, r += d2 ) { |
for ( carry = 0, i = 0, r = r0; i < d; i++, r += d2 ) { |
extractn(n1,i*d2,d2,&m); |
extractn(n1,i*d2,d2,&m); |
if ( m ) { |
if ( m ) { |
kmuln(m,n2,&t); |
kmuln(m,n2,&t); |
addn(t,carry,&s); |
addn(t,carry,&s); |
copyn(s,d2,r); |
copyn(s,d2,r); |
extractn(s,d2,d2,&carry); |
extractn(s,d2,d2,&carry); |
} else { |
} else { |
copyn(carry,d2,r); |
copyn(carry,d2,r); |
carry = 0; |
carry = 0; |
} |
} |
} |
} |
copyn(carry,d2,r); |
copyn(carry,d2,r); |
for ( l = len - 1; !r0[l]; l-- ); |
for ( l = len - 1; !r0[l]; l-- ); |
l++; |
l++; |
*nr = t = NALLOC(l); PL(t) = l; |
*nr = t = NALLOC(l); PL(t) = l; |
bcopy((char *)r0,(char *)BD(t),l*sizeof(int)); |
bcopy((char *)r0,(char *)BD(t),l*sizeof(int)); |
} |
} |
|
|
void extractn(n,index,len,nr) |
void extractn(N n,int index,int len,N *nr) |
N n; |
|
int index,len; |
|
N *nr; |
|
{ |
{ |
unsigned int *m; |
unsigned int *m; |
int l; |
int l; |
N t; |
N t; |
|
|
if ( !n ) { |
if ( !n ) { |
*nr = 0; return; |
*nr = 0; return; |
} |
} |
m = BD(n)+index; |
m = BD(n)+index; |
if ( (l = PL(n)-index) >= len ) { |
if ( (l = PL(n)-index) >= len ) { |
for ( l = len - 1; (l >= 0) && !m[l]; l-- ); |
for ( l = len - 1; (l >= 0) && !m[l]; l-- ); |
l++; |
l++; |
} |
} |
if ( l <= 0 ) { |
if ( l <= 0 ) { |
*nr = 0; return; |
*nr = 0; return; |
} else { |
} else { |
*nr = t = NALLOC(l); PL(t) = l; |
*nr = t = NALLOC(l); PL(t) = l; |
bcopy((char *)m,(char *)BD(t),l*sizeof(int)); |
bcopy((char *)m,(char *)BD(t),l*sizeof(int)); |
} |
} |
} |
} |
|
|
void copyn(n,len,p) |
void copyn(N n,int len,int *p) |
N n; |
|
int len; |
|
int *p; |
|
{ |
{ |
if ( n ) |
if ( n ) |
bcopy((char *)BD(n),(char *)p,MIN(PL(n),len)*sizeof(int)); |
bcopy((char *)BD(n),(char *)p,MIN(PL(n),len)*sizeof(int)); |
} |
} |
|
|
void dupn(n,p) |
void dupn(N n,N p) |
N n; |
|
N p; |
|
{ |
{ |
if ( n ) |
if ( n ) |
bcopy((char *)n,(char *)p,(1+PL(n))*sizeof(int)); |
bcopy((char *)n,(char *)p,(1+PL(n))*sizeof(int)); |
} |
} |
|
|
void kmulnmain(n1,n2,nr) |
void kmulnmain(N n1,N n2,N *nr) |
N n1,n2,*nr; |
|
{ |
{ |
int d1,d2,h,sgn,sgn1,sgn2,len; |
int d1,d2,h,sgn,sgn1,sgn2,len; |
N n1lo,n1hi,n2lo,n2hi,hi,lo,mid1,mid2,mid,s1,s2,t1,t2; |
N n1lo,n1hi,n2lo,n2hi,hi,lo,mid1,mid2,mid,s1,s2,t1,t2; |
|
|
d1 = PL(n1); d2 = PL(n2); h = (d1+1)/2; |
d1 = PL(n1); d2 = PL(n2); h = (d1+1)/2; |
extractn(n1,0,h,&n1lo); extractn(n1,h,d1-h,&n1hi); |
extractn(n1,0,h,&n1lo); extractn(n1,h,d1-h,&n1hi); |
extractn(n2,0,h,&n2lo); extractn(n2,h,d2-h,&n2hi); |
extractn(n2,0,h,&n2lo); extractn(n2,h,d2-h,&n2hi); |
kmuln(n1hi,n2hi,&hi); kmuln(n1lo,n2lo,&lo); |
kmuln(n1hi,n2hi,&hi); kmuln(n1lo,n2lo,&lo); |
len = PL(hi)+2*h; t1 = NALLOC(len); PL(t1) = len; |
len = PL(hi)+2*h; t1 = NALLOC(len); PL(t1) = len; |
bzero((char *)BD(t1),len*sizeof(int)); |
bzero((char *)BD(t1),len*sizeof(int)); |
if ( lo ) |
if ( lo ) |
bcopy((char *)BD(lo),(char *)BD(t1),PL(lo)*sizeof(int)); |
bcopy((char *)BD(lo),(char *)BD(t1),PL(lo)*sizeof(int)); |
if ( hi ) |
if ( hi ) |
bcopy((char *)BD(hi),(char *)(BD(t1)+2*h),PL(hi)*sizeof(int)); |
bcopy((char *)BD(hi),(char *)(BD(t1)+2*h),PL(hi)*sizeof(int)); |
|
|
addn(hi,lo,&mid1); |
addn(hi,lo,&mid1); |
sgn1 = subn(n1hi,n1lo,&s1); sgn2 = subn(n2lo,n2hi,&s2); |
sgn1 = subn(n1hi,n1lo,&s1); sgn2 = subn(n2lo,n2hi,&s2); |
kmuln(s1,s2,&mid2); sgn = sgn1*sgn2; |
kmuln(s1,s2,&mid2); sgn = sgn1*sgn2; |
if ( sgn > 0 ) |
if ( sgn > 0 ) |
addn(mid1,mid2,&mid); |
addn(mid1,mid2,&mid); |
else |
else |
subn(mid1,mid2,&mid); |
subn(mid1,mid2,&mid); |
if ( mid ) { |
if ( mid ) { |
len = PL(mid)+h; t2 = NALLOC(len); PL(t2) = len; |
len = PL(mid)+h; t2 = NALLOC(len); PL(t2) = len; |
bzero((char *)BD(t2),len*sizeof(int)); |
bzero((char *)BD(t2),len*sizeof(int)); |
bcopy((char *)BD(mid),(char *)(BD(t2)+h),PL(mid)*sizeof(int)); |
bcopy((char *)BD(mid),(char *)(BD(t2)+h),PL(mid)*sizeof(int)); |
addn(t1,t2,nr); |
addn(t1,t2,nr); |
} else |
} else |
*nr = t1; |
*nr = t1; |
} |
} |