version 1.4, 2000/12/05 01:24:52 |
version 1.8, 2001/07/03 01:41:26 |
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* 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/M.c,v 1.3 2000/08/22 05:04:04 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/engine/M.c,v 1.7 2001/06/25 04:11:42 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "base.h" |
#include "base.h" |
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{ |
{ |
UM g1,g2,a1,a2,a3,wm,q,tum; |
UM g1,g2,a1,a2,a3,wm,q,tum; |
int d,dr; |
int d,dr; |
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UM t1,t2,t3; |
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d = DEG(f1) + DEG(f2) + 10; |
d = DEG(f1) + DEG(f2) + 10; |
g1 = W_UMALLOC(d); g2 = W_UMALLOC(d); a1 = W_UMALLOC(d); |
g1 = W_UMALLOC(d); g2 = W_UMALLOC(d); a1 = W_UMALLOC(d); |
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DEG(wm) = 0; COEF(wm)[0] = mod - 1; |
DEG(wm) = 0; COEF(wm)[0] = mod - 1; |
} |
} |
divum(mod,wm,f2,q); mulsum(mod,q,mod-1,b); |
divum(mod,wm,f2,q); mulsum(mod,q,mod-1,b); |
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#if 0 |
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t1 = W_UMALLOC(d); |
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t2 = W_UMALLOC(d); |
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t3 = W_UMALLOC(d); |
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mulum(mod,a,f1,t1); |
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mulum(mod,b,f2,t2); |
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addum(mod,t1,t2,t3); |
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#endif |
} |
} |
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void eucum2(mod,f1,f2,a,b) |
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register int mod; |
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UM f1,f2,a,b; |
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{ |
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UM gk,gk1,gk2,ak,ak1,ak2,bk,bk1,bk2,q,t,wm1,wm2,wz; |
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int d,inv; |
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UM t1,t2; |
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d = 2*(DEG(f1) + DEG(f2)); |
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gk = W_UMALLOC(d); gk1 = W_UMALLOC(d); gk2 = W_UMALLOC(d); |
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ak = W_UMALLOC(d); ak1 = W_UMALLOC(d); ak2 = W_UMALLOC(d); |
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bk = W_UMALLOC(d); bk1 = W_UMALLOC(d); bk2 = W_UMALLOC(d); |
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q = W_UMALLOC(d); wm1 = W_UMALLOC(d); wm2 = W_UMALLOC(d); |
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wz = W_UMALLOC(d); |
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t1 = UMALLOC(1000); |
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t2 = UMALLOC(1000); |
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cpyum(f1,t1); |
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cpyum(f2,t2); |
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DEG(ak) = 0; COEF(ak)[0] = 1; |
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DEG(ak1) = -1; |
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DEG(bk) = -1; |
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DEG(bk1) = 0; COEF(bk1)[0] = 1; |
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cpyum(f1,gk); cpyum(f2,gk1); |
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while ( 1 ) { |
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/* ak*f1+bk*f2 = gk, ak1*f1+bk1*f2 = gk1 */ |
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cpyum(gk,gk2); |
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DEG(gk2) = divum(mod,gk2,gk1,q); |
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/* gk2 = gk - q*gk1 */ |
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if ( DEG(gk2) == -1 ) |
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break; |
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/* ak2 = ak - q*ak1, bk2 = bk - q*bk1 */ |
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mulum(mod,ak1,q,wm1); subum(mod,ak,wm1,ak2); |
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mulum(mod,bk1,q,wm1); subum(mod,bk,wm1,bk2); |
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/* shift */ |
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t = ak; ak = ak1; ak1 = ak2; ak2 = t; |
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t = bk; bk = bk1; bk1 = bk2; bk2 = t; |
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t = gk; gk = gk1; gk1 = gk2; gk2 = t; |
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} |
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/* ak1*f1+bk1*f2 = gk1 = GCD(f1,f2) */ |
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mulum(mod,ak1,t1,wm1); |
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mulum(mod,bk1,t2,wm2); |
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addum(mod,wm1,wm2,wz); |
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if ( DEG(wz) != 0 ) |
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error("euc 1"); |
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DEG(ak1) = divum(mod,ak1,f2,q); |
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DEG(bk1) = divum(mod,bk1,f1,q); |
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mulum(mod,ak1,f1,wm1); |
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mulum(mod,bk1,f2,wm2); |
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addum(mod,wm1,wm2,wz); |
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if ( DEG(wz) != 0 ) |
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error("euc 2"); |
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if ( COEF(wz)[0] != 1 ) { |
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inv = invm(COEF(wz)[0],mod); |
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mulsum(mod,ak1,inv,a); |
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mulsum(mod,bk1,inv,b); |
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} else { |
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cpyum(ak1,a); |
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cpyum(bk1,b); |
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} |
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} |
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void sqfrum(index,count,f,nindex,dcr,pl) |
void sqfrum(index,count,f,nindex,dcr,pl) |
int index,count,*nindex; |
int index,count,*nindex; |
P f; |
P f; |
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mgcd = W_UMALLOC(n); |
mgcd = W_UMALLOC(n); |
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for ( j = 0, d = n; j < count && d; ) { |
for ( j = 0, d = n; j < count && d; ) { |
m = lprime[index++]; |
m = get_lprime(index++); |
if ( !m ) |
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error("sqfrum : lprime[] exhausted."); |
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if ( rem(NM((Q)COEF(DC(f))),m) == 0 ) continue; |
if ( rem(NM((Q)COEF(DC(f))),m) == 0 ) continue; |
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ptoum(m,f,wf); |
ptoum(m,f,wf); |
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c2[i] = c1[i]; |
c2[i] = c1[i]; |
} |
} |
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void clearum(p,n) |
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UM p; |
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int n; |
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{ |
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DEG(p) = -1; |
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bzero(COEF(p),(n+1)*sizeof(int)); |
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} |
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void degum(f,n) |
void degum(f,n) |
UM f; |
UM f; |
int n; |
int n; |
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return p; |
return p; |
} |
} |
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/* dx = deg in x, dy = deg in y, c[i] <-> the coef of y^i (poly in x) */ |
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BM BMALLOC(dx,dy) |
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int dx,dy; |
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{ |
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BM p; |
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UM *c; |
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int i; |
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p = (BM)MALLOC(TRUESIZE(oBM,dy,UM)); |
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DEG(p) = dy; |
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for ( i = 0, c = (UM *)COEF(p); i <= dy; i++ ) { |
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c[i] = UMALLOC(dx); |
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clearum(c[i],dx); |
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} |
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return p; |
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} |
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void mullum(mod,n,f1,f2,fr) |
void mullum(mod,n,f1,f2,fr) |
int mod,n; |
int mod,n; |
LUM f1,f2,fr; |
LUM f1,f2,fr; |
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ppr[i][j] = pp[i][j]; |
ppr[i][j] = pp[i][j]; |
} |
} |
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int isequalum(f1,f2) |
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UM f1,f2; |
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{ |
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int i; |
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if ( DEG(f1) < 0 ) |
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if ( DEG(f2) < 0 ) |
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return 1; |
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else |
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return 0; |
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else if ( DEG(f2) < 0 ) |
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return 0; |
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else { |
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if ( DEG(f1) != DEG(f2) ) |
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return 0; |
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for ( i = 0; i <= DEG(f1); i++ ) |
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if ( COEF(f1)[i] != COEF(f2)[i] ) |
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break; |
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if ( i < DEG(f1) ) |
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return 0; |
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else |
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return 1; |
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} |
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} |
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void pwrlum(mod,bound,p,n,r) |
void pwrlum(mod,bound,p,n,r) |
int mod,bound,n; |
int mod,bound,n; |
LUM p,r; |
LUM p,r; |
Line 701 int sprime[] = { |
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Line 828 int sprime[] = { |
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16273,16301,16319,16333,16339,16349,16361,16363,16369,16381, |
16273,16301,16319,16333,16339,16349,16361,16363,16369,16381, |
0 |
0 |
}; |
}; |
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#include "prime.h" |
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