version 1.1, 2003/09/02 07:00:51 |
version 1.7, 2005/02/13 16:01:02 |
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#include "ca.h" |
#include "ca.h" |
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#include "base.h" |
#include "inline.h" |
#include "inline.h" |
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typedef struct oZ { |
#if defined(__GNUC__) |
int p; |
#define INLINE inline |
unsigned int b[1]; |
#elif defined(VISUAL) |
} *Z; |
#define INLINE __inline |
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#else |
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#define INLINE |
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#endif |
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#define ZALLOC(d) ((Z)MALLOC_ATOMIC(TRUESIZE(oZ,(d)-1,int))) |
INLINE void _addz(Z n1,Z n2,Z nr); |
#define SL(n) ((n)->p) |
INLINE void _subz(Z n1,Z n2,Z nr); |
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INLINE void _mulz(Z n1,Z n2,Z nr); |
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INLINE int _addz_main(unsigned int *m1,int d1,unsigned int *m2,int d2,unsigned int *mr); |
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INLINE int _subz_main(unsigned int *m1,int d1,unsigned int *m2,int d2,unsigned int *mr); |
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Z qtoz(Q n); |
/* immediate int -> Z */ |
Q ztoq(Z n); |
#define UTOZ(c,n) (n)=(!((unsigned int)(c))?0:(((unsigned int)(c))<=IMM_MAX?((Z)((((unsigned int)(c))<<1)|1)):utoz((unsigned int)(c)))) |
Z chsgnz(Z n); |
#define STOZ(c,n) (n)=(!((int)(c))?0:(((int)(c))>=IMM_MIN&&((int)(c))<=IMM_MAX?((Z)((((int)(c))<<1)|1)):stoz((int)(c)))) |
Z dupz(Z n); |
/* immediate Z ? */ |
Z addz(Z n1,Z n2); |
#define IS_IMM(c) (((unsigned int)c)&1) |
Z subz(Z n1,Z n2); |
/* Z can be conver to immediate ? */ |
Z mulz(Z n1,Z n2); |
#define IS_SZ(n) (((SL(n) == 1)||(SL(n)==-1))&&BD(n)[0]<=IMM_MAX) |
Z divsz(Z n1,Z n2); |
/* Z -> immediate Z */ |
Z divz(Z n1,Z n2,Z *rem); |
#define SZTOZ(n,z) (z)=(Z)(SL(n)<0?(((-BD(n)[0])<<1)|1):(((BD(n)[0])<<1)|1)) |
Z gcdz(Z n1,Z n2); |
/* Z -> immediate int */ |
Z gcdz_cofactor(Z n1,Z n2,Z *c1,Z *c2); |
#define ZTOS(c) (((int)(c))>>1) |
Z estimate_array_gcdz(Z *a,int n); |
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Z array_gcdz(Z *a,int n); |
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int remzi(Z n,int m); |
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inline void _addz(Z n1,Z n2,Z nr); |
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inline void _subz(Z n1,Z n2,Z nr); |
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inline void _mulz(Z n1,Z n2,Z nr); |
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inline int _addz_main(unsigned int *m1,int d1,unsigned int *m2,int d2,unsigned int *mr); |
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inline int _subz_main(unsigned int *m1,int d1,unsigned int *m2,int d2,unsigned int *mr); |
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int uniz(Z a) |
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{ |
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if ( IS_IMM(a) && ZTOS(a) == 1 ) return 1; |
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else return 0; |
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} |
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int cmpz(Z a,Z b) |
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{ |
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int *ma,*mb; |
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int sa,sb,da,db,ca,cb,i; |
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if ( !a ) |
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return -sgnz(b); |
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else if ( !b ) |
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return sgnz(a); |
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else { |
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sa = sgnz(a); sb = sgnz(b); |
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if ( sa > sb ) return 1; |
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else if ( sa < sb ) return -1; |
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else if ( IS_IMM(a) ) |
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if ( IS_IMM(b) ) { |
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ca = ZTOS(a); cb = ZTOS(b); |
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if ( ca > cb ) return sa; |
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else if ( ca < cb ) return -sa; |
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else return 0; |
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} else |
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return -sa; |
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else if ( IS_IMM(b) ) |
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return sa; |
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else { |
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da = SL(a)*sa; db = SL(b)*sa; |
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if ( da > db ) return sa; |
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else if ( da < db ) return -sa; |
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else { |
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for ( i = da-1, ma = BD(a)+i, mb = BD(b)+i; i >= 0; i-- ) |
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if ( *ma > *mb ) return sa; |
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else if ( *ma < *mb ) return -sa; |
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return 0; |
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} |
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} |
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} |
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} |
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Z stoz(int c) |
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{ |
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Z z; |
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z = ZALLOC(1); |
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if ( c < 0 ) { |
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SL(z) = -1; BD(z)[0] = -c; |
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} else { |
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SL(z) = 1; BD(z)[0] = c; |
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} |
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return z; |
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} |
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Z utoz(unsigned int c) |
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{ |
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Z z; |
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z = ZALLOC(1); |
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SL(z) = 1; BD(z)[0] = c; |
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return z; |
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} |
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Z simpz(Z n) |
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{ |
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Z n1; |
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if ( !n ) return 0; |
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else if ( IS_IMM(n) ) return n; |
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else if ( IS_SZ(n) ) { |
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SZTOZ(n,n1); return n1; |
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} else |
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return n; |
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} |
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int sgnz(Z n) |
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{ |
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if ( !n ) return 0; |
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else if ( IS_IMM(n) ) return ZTOS(n)>0?1:-1; |
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else if ( SL(n) < 0 ) return -1; |
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else return 1; |
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} |
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z_mag(Z n) |
z_mag(Z n) |
{ |
{ |
return n_bits((N)n); |
int c,i; |
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if ( !n ) return 0; |
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else if ( IS_IMM(n) ) { |
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c = ZTOS(n); |
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if ( c < 0 ) c = -c; |
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for ( i = 0; c; c >>= 1, i++ ); |
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return i; |
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} |
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else return n_bits((N)n); |
} |
} |
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Z qtoz(Q n) |
Z qtoz(Q n) |
{ |
{ |
Z r; |
Z r,t; |
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int c; |
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if ( !n ) return 0; |
if ( !n ) return 0; |
else if ( !INT(n) ) |
else if ( !INT(n) ) |
error("qtoz : invalid input"); |
error("qtoz : invalid input"); |
else { |
else { |
r = dupz((Z)NM(n)); |
t = (Z)NM(n); |
if ( SGN(n) < 0 ) SL(r) = -SL(r); |
if ( IS_SZ(t) ) { |
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c = SGN(n) < 0 ? -BD(t)[0] : BD(t)[0]; |
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STOZ(c,r); |
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} else { |
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r = dupz((Z)t); |
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if ( SGN(n) < 0 ) SL(r) = -SL(r); |
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} |
return r; |
return r; |
} |
} |
} |
} |
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{ |
{ |
Q r; |
Q r; |
Z nm; |
Z nm; |
int sgn; |
int sgn,c; |
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if ( !n ) return 0; |
if ( !n ) return 0; |
else { |
else if ( IS_IMM(n) ) { |
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c = ZTOS(n); |
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STOQ(c,r); |
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return r; |
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} else { |
nm = dupz(n); |
nm = dupz(n); |
if ( SL(nm) < 0 ) { |
if ( SL(nm) < 0 ) { |
sgn = -1; |
sgn = -1; |
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Z dupz(Z n) |
Z dupz(Z n) |
{ |
{ |
Z nr; |
Z r; |
int sd,i; |
int sd,i; |
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if ( !n ) return 0; |
if ( !n ) return 0; |
if ( (sd = SL(n)) < 0 ) sd = -sd; |
else if ( IS_IMM(n) ) return n; |
nr = ZALLOC(sd); |
else { |
SL(nr) = SL(n); |
if ( (sd = SL(n)) < 0 ) sd = -sd; |
for ( i = 0; i < sd; i++ ) BD(nr)[i] = BD(n)[i]; |
r = ZALLOC(sd); |
return nr; |
SL(r) = SL(n); |
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for ( i = 0; i < sd; i++ ) BD(r)[i] = BD(n)[i]; |
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return r; |
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} |
} |
} |
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Z chsgnz(Z n) |
Z chsgnz(Z n) |
{ |
{ |
Z r; |
Z r; |
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int c; |
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if ( !n ) return 0; |
if ( !n ) return 0; |
else { |
else if ( IS_IMM(n) ) { |
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c = -ZTOS(n); |
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STOZ(c,r); |
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return r; |
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} else { |
r = dupz(n); |
r = dupz(n); |
SL(r) = -SL(r); |
SL(r) = -SL(r); |
return r; |
return r; |
} |
} |
} |
} |
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Z absz(Z n) |
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{ |
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Z r; |
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int c; |
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if ( !n ) return 0; |
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else if ( sgnz(n) > 0 ) |
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return n; |
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else |
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return chsgnz(n); |
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} |
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Z addz(Z n1,Z n2) |
Z addz(Z n1,Z n2) |
{ |
{ |
unsigned int u1,u2,t; |
int d1,d2,d,c; |
int sd1,sd2,d,d1,d2; |
Z r,r1; |
Z nr; |
struct oZ t; |
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if ( !n1 ) return dupz(n2); |
if ( !n1 ) return dupz(n2); |
else if ( !n2 ) return dupz(n1); |
else if ( !n2 ) return dupz(n1); |
else { |
else if ( IS_IMM(n1) ) { |
d1 = ((sd1 = SL(n1))< 0)?-sd1:sd1; |
if ( IS_IMM(n2) ) { |
d2 = ((sd2 = SL(n2))< 0)?-sd2:sd2; |
c = ZTOS(n1)+ZTOS(n2); |
if ( d1 == 1 && d2 == 1 ) { |
STOZ(c,r); |
u1 = BD(n1)[0]; u2 = BD(n2)[0]; |
} else { |
if ( sd1 > 0 ) { |
c = ZTOS(n1); |
if ( sd2 > 0 ) { |
if ( c < 0 ) { |
t = u1+u2; |
t.p = -1; t.b[0] = -c; |
if ( t < u1 ) { |
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nr=ZALLOC(2); SL(nr) = 2; BD(nr)[1] = 1; |
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} else { |
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nr=ZALLOC(1); SL(nr) = 1; |
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} |
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BD(nr)[0] = t; |
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} else { |
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if ( u1 == u2 ) nr = 0; |
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else if ( u1 > u2 ) { |
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nr=ZALLOC(1); SL(nr) = 1; BD(nr)[0] = u1-u2; |
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} else { |
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nr=ZALLOC(1); SL(nr) = -1; BD(nr)[0] = u2-u1; |
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} |
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} |
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} else { |
} else { |
if ( sd2 > 0 ) { |
t.p = 1; t.b[0] = c; |
if ( u2 == u1 ) nr = 0; |
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else if ( u2 > u1 ) { |
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nr=ZALLOC(1); SL(nr) = 1; BD(nr)[0] = u2-u1; |
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} else { |
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nr=ZALLOC(1); SL(nr) = -1; BD(nr)[0] = u1-u2; |
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} |
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} else { |
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t = u1+u2; |
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if ( t < u1 ) { |
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nr=ZALLOC(2); SL(nr) = -2; BD(nr)[1] = 1; |
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} else { |
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nr=ZALLOC(1); SL(nr) = -1; |
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} |
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BD(nr)[0] = t; |
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} |
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} |
} |
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if ( (d2 = SL(n2)) < 0 ) d2 = -d2; |
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r = ZALLOC(d2+1); |
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_addz(&t,n2,r); |
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if ( !SL(r) ) r = 0; |
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} |
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} else if ( IS_IMM(n2) ) { |
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c = ZTOS(n2); |
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if ( c < 0 ) { |
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t.p = -1; t.b[0] = -c; |
} else { |
} else { |
d = MAX(d1,d2)+1; |
t.p = 1; t.b[0] = c; |
nr = ZALLOC(d); |
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_addz(n1,n2,nr); |
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if ( !SL(nr) ) nr = 0; |
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} |
} |
return nr; |
if ( (d1 = SL(n1)) < 0 ) d1 = -d1; |
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r = ZALLOC(d1+1); |
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_addz(n1,&t,r); |
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if ( !SL(r) ) r = 0; |
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} else { |
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if ( (d1 = SL(n1)) < 0 ) d1 = -d1; |
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if ( (d2 = SL(n2)) < 0 ) d2 = -d2; |
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d = MAX(d1,d2)+1; |
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r = ZALLOC(d); |
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_addz(n1,n2,r); |
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if ( !SL(r) ) r = 0; |
} |
} |
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if ( r && !((int)r&1) && IS_SZ(r) ) { |
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SZTOZ(r,r1); r = r1; |
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} |
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return r; |
} |
} |
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Z subz(Z n1,Z n2) |
Z subz(Z n1,Z n2) |
{ |
{ |
int sd1,sd2,d; |
int d1,d2,d,c; |
Z nr; |
Z r,r1; |
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struct oZ t; |
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if ( !n1 ) |
if ( !n1 ) |
if ( !n2 ) return 0; |
return chsgnz(n2); |
else { |
else if ( !n2 ) return n1; |
nr = dupz(n2); |
else if ( IS_IMM(n1) ) { |
SL(nr) = -SL(nr); |
if ( IS_IMM(n2) ) { |
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c = ZTOS(n1)-ZTOS(n2); |
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STOZ(c,r); |
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} else { |
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c = ZTOS(n1); |
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if ( c < 0 ) { |
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t.p = -1; t.b[0] = -c; |
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} else { |
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t.p = 1; t.b[0] = c; |
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} |
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if ( (d2 = SL(n2)) < 0 ) d2 = -d2; |
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r = ZALLOC(d2+1); |
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_subz(&t,n2,r); |
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if ( !SL(r) ) r = 0; |
} |
} |
else if ( !n2 ) return dupz(n1); |
} else if ( IS_IMM(n2) ) { |
else { |
c = ZTOS(n2); |
if ( (sd1 = SL(n1)) < 0 ) sd1 = -sd1; |
if ( c < 0 ) { |
if ( (sd2 = SL(n2)) < 0 ) sd2 = -sd2; |
t.p = -1; t.b[0] = -c; |
d = MAX(sd1,sd2)+1; |
} else { |
nr = ZALLOC(d); |
t.p = 1; t.b[0] = c; |
_subz(n1,n2,nr); |
} |
if ( !SL(nr) ) nr = 0; |
if ( (d1 = SL(n1)) < 0 ) d1 = -d1; |
return nr; |
r = ZALLOC(d1+1); |
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_subz(n1,&t,r); |
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if ( !SL(r) ) r = 0; |
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} else { |
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if ( (d1 = SL(n1)) < 0 ) d1 = -d1; |
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if ( (d2 = SL(n2)) < 0 ) d2 = -d2; |
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d = MAX(d1,d2)+1; |
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r = ZALLOC(d); |
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_subz(n1,n2,r); |
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if ( !SL(r) ) r = 0; |
} |
} |
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if ( r && !((int)r&1) && IS_SZ(r) ) { |
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SZTOZ(r,r1); r = r1; |
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} |
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return r; |
} |
} |
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Z mulz(Z n1,Z n2) |
Z mulz(Z n1,Z n2) |
{ |
{ |
int sd1,sd2,d1,d2; |
int d1,d2,sgn,i; |
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int c1,c2; |
unsigned int u1,u2,u,l; |
unsigned int u1,u2,u,l; |
Z nr; |
Z r; |
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if ( !n1 || !n2 ) return 0; |
if ( !n1 || !n2 ) return 0; |
else { |
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d1 = ((sd1 = SL(n1))< 0)?-sd1:sd1; |
if ( IS_IMM(n1) ) { |
d2 = ((sd2 = SL(n2))< 0)?-sd2:sd2; |
c1 = ZTOS(n1); |
if ( d1 == 1 && d2 == 1 ) { |
if ( IS_IMM(n2) ) { |
u1 = BD(n1)[0]; u2 = BD(n2)[0]; |
c2 = ZTOS(n2); |
DM(u1,u2,u,l); |
if ( c1 == 1 ) |
if ( u ) { |
return n2; |
nr = ZALLOC(2); SL(nr) = sd1*sd2*2; BD(nr)[1] = u; |
else if ( c1 == -1 ) |
} else { |
return chsgnz(n2); |
nr = ZALLOC(1); SL(nr) = sd1*sd2; |
else if ( c2 == 1 ) |
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return n1; |
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else if ( c2 == -1 ) |
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return chsgnz(n1); |
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else { |
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sgn = 1; |
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if ( c1 < 0 ) { c1 = -c1; sgn = -sgn; } |
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if ( c2 < 0 ) { c2 = -c2; sgn = -sgn; } |
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u1 = (unsigned int)c1; u2 = (unsigned int)c2; |
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DM(u1,u2,u,l); |
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if ( !u ) { |
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UTOZ(l,r); |
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} else { |
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r = ZALLOC(2); SL(r) = 2; BD(r)[1] = u; BD(r)[0] = l; |
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} |
} |
} |
BD(nr)[0] = l; |
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} else { |
} else { |
nr = ZALLOC(d1+d2); |
sgn = 1; |
_mulz(n1,n2,nr); |
if ( c1 < 0 ) { c1 = -c1; sgn = -sgn; } |
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u1 = (unsigned int)c1; |
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if ( (d2 = SL(n2)) < 0 ) { sgn = -sgn; d2 = -d2; } |
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r = ZALLOC(d2+1); |
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for ( i = d2; i >= 0; i-- ) BD(r)[i] = 0; |
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muln_1(BD(n2),d2,u1,BD(r)); |
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SL(r) = BD(r)[d2]?d2+1:d2; |
} |
} |
return nr; |
} else if ( IS_IMM(n2) ) { |
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c2 = ZTOS(n2); |
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if ( c2 == 1 ) |
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return n1; |
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else if ( c2 == -1 ) |
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return chsgnz(n1); |
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sgn = 1; |
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if ( c2 < 0 ) { sgn = -sgn; c2 = -c2; } |
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u2 = (unsigned int)c2; |
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if ( (d1 = SL(n1)) < 0 ) { sgn = -sgn; d1 = -d1; } |
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r = ZALLOC(d1+1); |
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for ( i = d1; i >= 0; i-- ) BD(r)[i] = 0; |
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muln_1(BD(n1),d1,u2,BD(r)); |
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SL(r) = BD(r)[d1]?d1+1:d1; |
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} else { |
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sgn = 1; |
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if ( (d1 = SL(n1)) < 0 ) d1 = -d1; |
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if ( (d2 = SL(n2)) < 0 ) d2 = -d2; |
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r = ZALLOC(d1+d2); |
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_mulz(n1,n2,r); |
} |
} |
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if ( sgn < 0 ) r = chsgnz(r); |
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return r; |
} |
} |
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/* XXX */ |
/* kokokara */ |
Z divz(Z n1,Z n2,Z *rem) |
#if 0 |
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Z divsz(Z n1,Z n2) |
{ |
{ |
int sgn,sd1,sd2; |
int sgn,d1,d2; |
N q,r; |
Z q; |
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if ( !n2 ) error("divz : division by 0"); |
if ( !n2 ) error("divsz : division by 0"); |
else if ( !n1 ) { |
if ( !n1 ) return 0; |
*rem = 0; return 0; |
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} else { |
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sd2 = SL(n2); |
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if ( sd2 == 1 && BD(n2)[0] == 1 ) { |
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*rem = 0; return n1; |
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} else if ( sd2 == -1 && BD(n2)[0] == 1 ) { |
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*rem = 0; return chsgnz(n1); |
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} |
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sd1 = SL(n1); |
if ( IS_IMM(n1) ) { |
n1 = dupz(n1); |
if ( !IS_IMM(n2) ) |
if ( SL(n1) < 0 ) SL(n1) = -SL(n1); |
error("divsz : cannot happen"); |
divn((N)n1,(N)n2,&q,&r); |
c = ZTOS(n1)/ZTOS(n2); |
if ( q && ((sd1>0&&sd2<0)||(sd1<0&&sd2>0)) ) SL((Z)q) = -SL((Z)q); |
STOZ(c,q); |
if ( r && sd1 < 0 ) SL((Z)r) = -SL((Z)r); |
return q; |
*rem = (Z)r; |
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return (Z)q; |
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} |
} |
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if ( IS_IMM(n2) ) { |
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sgn = 1; |
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u2 = ZTOS(n2); if ( u2 < 0 ) { sgn = -sgn; u2 = -u2; } |
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diviz(n1,u2,&q); |
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if ( sgn < 0 ) SL(q) = -SL(q); |
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return q; |
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} |
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sgn = 1; |
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if ( (d2 = SL(n2)) < 0 ) { sgn = -sgn; d2 = -d2; } |
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if ( d2 == 1 ) { |
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diviz(n1,BD(u2)[0],&q); |
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if ( sgn < 0 ) SL(q) = -SL(q); |
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return q; |
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} |
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if ( (d1 = SL(n1)) < 0 ) { sgn = -sgn; d1 = -d1; } |
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if ( d1 < d2 ) error("divsz : cannot happen"); |
|
return q; |
} |
} |
|
#endif |
|
|
|
/* XXX */ |
|
Z divz(Z n1,Z n2,Z *r) |
|
{ |
|
int s1,s2; |
|
Q t1,t2,qq,rq; |
|
N qn,rn; |
|
|
|
if ( !n1 ) { |
|
*r = 0; return 0; |
|
} |
|
if ( !n2 ) |
|
error("divz : division by 0"); |
|
t1 = ztoq(n1); t2 = ztoq(n2); |
|
s1 = sgnz(n1); s2 = sgnz(n2); |
|
/* n1 = qn*SGN(n1)*SGN(n2)*n2+SGN(n1)*rn */ |
|
divn(NM(t1),NM(t2),&qn,&rn); |
|
NTOQ(qn,s1*s2,qq); |
|
NTOQ(rn,s1,rq); |
|
*r = qtoz(rq); |
|
return qtoz(qq); |
|
} |
|
|
Z divsz(Z n1,Z n2) |
Z divsz(Z n1,Z n2) |
{ |
{ |
int sgn,sd1,sd2; |
int s1,s2; |
N q; |
Q t1,t2,qq; |
|
N qn; |
|
|
if ( !n2 ) error("divsz : division by 0"); |
if ( !n1 ) |
else if ( !n1 ) return 0; |
return 0; |
else { |
if ( !n2 ) |
sd2 = SL(n2); |
error("divsz : division by 0"); |
if ( sd2 == 1 && BD(n2)[0] == 1 ) return n1; |
t1 = ztoq(n1); t2 = ztoq(n2); |
else if ( sd2 == -1 && BD(n2)[0] == 1 ) return chsgnz(n1); |
s1 = sgnz(n1); s2 = sgnz(n2); |
|
/* n1 = qn*SGN(n1)*SGN(n2)*n2 */ |
sd1 = SL(n1); |
divsn(NM(t1),NM(t2),&qn); |
n1 = dupz(n1); |
NTOQ(qn,s1*s2,qq); |
if ( SL(n1) < 0 ) SL(n1) = -SL(n1); |
return qtoz(qq); |
divsn((N)n1,(N)n2,&q); |
} |
if ( q && ((sd1>0&&sd2<0)||(sd1<0&&sd2>0)) ) SL((Z)q) = -SL((Z)q); |
|
return (Z)q; |
int gcdimm(int c1,int c2) |
|
{ |
|
int r; |
|
|
|
if ( !c1 ) return c2; |
|
else if ( !c2 ) return c1; |
|
while ( 1 ) { |
|
r = c1%c2; |
|
if ( !r ) return c2; |
|
c1 = c2; c2 = r; |
} |
} |
} |
} |
|
|
Z gcdz(Z n1,Z n2) |
Z gcdz(Z n1,Z n2) |
{ |
{ |
int sd1,sd2; |
int c1,c2,g; |
N gcd; |
Z gcd,r; |
|
N gn; |
|
|
if ( !n1 ) return n2; |
if ( !n1 ) return n2; |
else if ( !n2 ) return n1; |
else if ( !n2 ) return n1; |
|
|
n1 = dupz(n1); |
if ( IS_IMM(n1) ) { |
if ( SL(n1) < 0 ) SL(n1) = -SL(n1); |
c1 = ZTOS(n1); |
n2 = dupz(n2); |
if ( c1 < 0 ) c1 = -c1; |
if ( SL(n2) < 0 ) SL(n2) = -SL(n2); |
if ( IS_IMM(n2) ) |
gcdn((N)n1,(N)n2,&gcd); |
c2 = ZTOS(n2); |
return (Z)gcd; |
else |
|
c2 = remzi(n2,c1>0?c1:-c1); |
|
if ( c2 < 0 ) c2 = -c2; |
|
g = gcdimm(c1,c2); |
|
STOZ(g,gcd); |
|
return gcd; |
|
} else if ( IS_IMM(n2) ) { |
|
c2 = ZTOS(n2); |
|
if ( c2 < 0 ) c2 = -c2; |
|
c1 = remzi(n1,c2>0?c2:-c2); |
|
if ( c1 < 0 ) c1 = -c1; |
|
g = gcdimm(c1,c2); |
|
STOZ(g,gcd); |
|
return gcd; |
|
} else { |
|
n1 = dupz(n1); |
|
if ( SL(n1) < 0 ) SL(n1) = -SL(n1); |
|
n2 = dupz(n2); |
|
if ( SL(n2) < 0 ) SL(n2) = -SL(n2); |
|
gcdn((N)n1,(N)n2,&gn); |
|
gcd = (Z)gn; |
|
if ( IS_SZ(gcd) ) { |
|
SZTOZ(gcd,r); gcd = r; |
|
} |
|
return gcd; |
|
} |
} |
} |
|
|
int remzi(Z n,int m) |
int remzi(Z n,int m) |
{ |
{ |
unsigned int *x; |
unsigned int *x; |
unsigned int t,r; |
unsigned int t,r; |
int i; |
int i,c; |
|
|
if ( !n ) return 0; |
if ( !n ) return 0; |
|
if ( IS_IMM(n) ) { |
|
c = ZTOS(n)%m; |
|
if ( c < 0 ) c += m; |
|
return c; |
|
} |
|
|
i = SL(n); |
i = SL(n); |
if ( i < 0 ) i = -i; |
if ( i < 0 ) i = -i; |
for ( i--, x = BD(n)+i, r = 0; i >= 0; i--, x-- ) { |
for ( i--, x = BD(n)+i, r = 0; i >= 0; i--, x-- ) { |
Line 281 int remzi(Z n,int m) |
|
Line 539 int remzi(Z n,int m) |
|
DSAB(m,r,*x,t,r); |
DSAB(m,r,*x,t,r); |
#endif |
#endif |
} |
} |
|
if ( r && SL(n) < 0 ) |
|
r = m-r; |
return r; |
return r; |
} |
} |
|
|
Line 294 Z gcdz_cofactor(Z n1,Z n2,Z *c1,Z *c2) |
|
Line 554 Z gcdz_cofactor(Z n1,Z n2,Z *c1,Z *c2) |
|
return gcd; |
return gcd; |
} |
} |
|
|
|
#if 0 |
Z estimate_array_gcdz(Z *b,int n) |
Z estimate_array_gcdz(Z *b,int n) |
{ |
{ |
int m,i,j,sd; |
int m,i,j,sd; |
Line 334 Z array_gcdz(Z *b,int n) |
|
Line 595 Z array_gcdz(Z *b,int n) |
|
gcd = gcdz(gcd,a[i]); |
gcd = gcdz(gcd,a[i]); |
return gcd; |
return gcd; |
} |
} |
|
#endif |
|
|
void _copyz(Z n1,Z n2) |
void _copyz(Z n1,Z n2) |
{ |
{ |
Line 349 void _copyz(Z n1,Z n2) |
|
Line 611 void _copyz(Z n1,Z n2) |
|
|
|
void _addz(Z n1,Z n2,Z nr) |
void _addz(Z n1,Z n2,Z nr) |
{ |
{ |
int sd1,sd2; |
int d1,d2; |
|
|
if ( !n1 || !SL(n1) ) _copyz(n2,nr); |
if ( !n1 || !SL(n1) ) _copyz(n2,nr); |
else if ( !n2 || !SL(n2) ) _copyz(n1,nr); |
else if ( !n2 || !SL(n2) ) _copyz(n1,nr); |
else if ( (sd1=SL(n1)) > 0 ) |
else if ( (d1=SL(n1)) > 0 ) |
if ( (sd2=SL(n2)) > 0 ) |
if ( (d2=SL(n2)) > 0 ) |
SL(nr) = _addz_main(BD(n1),sd1,BD(n2),sd2,BD(nr)); |
SL(nr) = _addz_main(BD(n1),d1,BD(n2),d2,BD(nr)); |
else |
else |
SL(nr) = _subz_main(BD(n1),sd1,BD(n2),-sd2,BD(nr)); |
SL(nr) = _subz_main(BD(n1),d1,BD(n2),-d2,BD(nr)); |
else if ( (sd2=SL(n2)) > 0 ) |
else if ( (d2=SL(n2)) > 0 ) |
SL(nr) = _subz_main(BD(n2),sd2,BD(n1),-sd1,BD(nr)); |
SL(nr) = _subz_main(BD(n2),d2,BD(n1),-d1,BD(nr)); |
else |
else |
SL(nr) = -_addz_main(BD(n1),-sd1,BD(n2),-sd2,BD(nr)); |
SL(nr) = -_addz_main(BD(n1),-d1,BD(n2),-d2,BD(nr)); |
} |
} |
|
|
void _subz(Z n1,Z n2,Z nr) |
void _subz(Z n1,Z n2,Z nr) |
{ |
{ |
int sd1,sd2; |
int d1,d2; |
|
|
if ( !n1 || !SL(n1) ) _copyz(n2,nr); |
if ( !n1 || !SL(n1) ) _copyz(n2,nr); |
else if ( !n2 || !SL(n2) ) { |
else if ( !n2 || !SL(n2) ) { |
_copyz(n1,nr); |
_copyz(n1,nr); |
SL(nr) = -SL(nr); |
SL(nr) = -SL(nr); |
} else if ( (sd1=SL(n1)) > 0 ) |
} else if ( (d1=SL(n1)) > 0 ) |
if ( (sd2=SL(n2)) > 0 ) |
if ( (d2=SL(n2)) > 0 ) |
SL(nr) = _subz_main(BD(n1),sd1,BD(n2),sd2,BD(nr)); |
SL(nr) = _subz_main(BD(n1),d1,BD(n2),d2,BD(nr)); |
else |
else |
SL(nr) = _addz_main(BD(n1),sd1,BD(n2),-sd2,BD(nr)); |
SL(nr) = _addz_main(BD(n1),d1,BD(n2),-d2,BD(nr)); |
else if ( (sd2=SL(n2)) > 0 ) |
else if ( (d2=SL(n2)) > 0 ) |
SL(nr) = -_addz_main(BD(n1),-sd1,BD(n2),sd2,BD(nr)); |
SL(nr) = -_addz_main(BD(n1),-d1,BD(n2),d2,BD(nr)); |
else |
else |
SL(nr) = -_subz_main(BD(n1),-sd1,BD(n2),-sd2,BD(nr)); |
SL(nr) = -_subz_main(BD(n1),-d1,BD(n2),-d2,BD(nr)); |
} |
} |
|
|
void _mulz(Z n1,Z n2,Z nr) |
void _mulz(Z n1,Z n2,Z nr) |
{ |
{ |
int sd1,sd2; |
int d1,d2; |
int i,d,sgn; |
int i,d,sgn; |
unsigned int mul; |
unsigned int mul; |
unsigned int *m1,*m2; |
unsigned int *m1,*m2; |
Line 393 void _mulz(Z n1,Z n2,Z nr) |
|
Line 655 void _mulz(Z n1,Z n2,Z nr) |
|
if ( !n1 || !SL(n1) || !n2 || !SL(n2) ) |
if ( !n1 || !SL(n1) || !n2 || !SL(n2) ) |
SL(nr) = 0; |
SL(nr) = 0; |
else { |
else { |
sd1 = SL(n1); sd2 = SL(n2); |
d1 = SL(n1); d2 = SL(n2); |
sgn = 1; |
sgn = 1; |
if ( sd1 < 0 ) { sgn = -sgn; sd1 = -sd1; } |
if ( d1 < 0 ) { sgn = -sgn; d1 = -d1; } |
if ( sd2 < 0 ) { sgn = -sgn; sd2 = -sd2; } |
if ( d2 < 0 ) { sgn = -sgn; d2 = -d2; } |
d = sd1+sd2; |
d = d1+d2; |
for ( i = d-1, m1 = BD(nr); i >= 0; i-- ) *m1++ = 0; |
for ( i = d-1, m1 = BD(nr); i >= 0; i-- ) *m1++ = 0; |
for ( i = 0, m1 = BD(n1), m2 = BD(n2); i < sd2; i++, m2++ ) |
for ( i = 0, m1 = BD(n1), m2 = BD(n2); i < d2; i++, m2++ ) |
if ( mul = *m2 ) muln_1(m1,sd1,mul,BD(nr)+i); |
if ( mul = *m2 ) muln_1(m1,d1,mul,BD(nr)+i); |
SL(nr) = sgn*(BD(nr)[d-1]?d:d-1); |
SL(nr) = sgn*(BD(nr)[d-1]?d:d-1); |
} |
} |
} |
} |
Line 464 int _addz_main(unsigned int *m1,int d1,unsigned int *m |
|
Line 726 int _addz_main(unsigned int *m1,int d1,unsigned int *m |
|
:"m"(m1),"m"(m2),"m"(mr),"m"(d2)\ |
:"m"(m1),"m"(m2),"m"(mr),"m"(d2)\ |
:"eax","ebx","ecx","edx","esi","edi"); |
:"eax","ebx","ecx","edx","esi","edi"); |
#else |
#else |
for ( i = 0, c = 0, mr = BD(nr); i < d2; i++, m1++, m2++, mr++ ) { |
for ( i = 0, c = 0; i < d2; i++, m1++, m2++, mr++ ) { |
tmp = *m1 + *m2; |
tmp = *m1 + *m2; |
if ( tmp < *m1 ) { |
if ( tmp < *m1 ) { |
tmp += c; |
tmp += c; |
Line 554 int _subz_main(unsigned int *m1,int d1,unsigned int *m |
|
Line 816 int _subz_main(unsigned int *m1,int d1,unsigned int *m |
|
:"m"(m1),"m"(m2),"m"(mr),"m"(d2)\ |
:"m"(m1),"m"(m2),"m"(mr),"m"(d2)\ |
:"eax","ebx","ecx","edx","esi","edi"); |
:"eax","ebx","ecx","edx","esi","edi"); |
#else |
#else |
for ( i = 0, br = 0, mr = BD(nr); i < d2; i++, mr++ ) { |
for ( i = 0, br = 0; i < d2; i++, mr++ ) { |
t = *m1++; |
t = *m1++; |
tmp = *m2++ + br; |
tmp = *m2++ + br; |
if ( br > 0 && !tmp ) { |
if ( br > 0 && !tmp ) { |
Line 582 int _subz_main(unsigned int *m1,int d1,unsigned int *m |
|
Line 844 int _subz_main(unsigned int *m1,int d1,unsigned int *m |
|
|
|
void printz(Z n) |
void printz(Z n) |
{ |
{ |
int sd; |
int sd,u; |
|
|
if ( !n ) |
if ( !n ) |
fprintf(asir_out,"0"); |
fprintf(asir_out,"0"); |
else { |
else if ( IS_IMM(n) ) { |
|
u = ZTOS(n); |
|
fprintf(asir_out,"%d",u); |
|
} else { |
if ( (sd = SL(n)) < 0 ) { SL(n) = -SL(n); fprintf(asir_out,"-"); } |
if ( (sd = SL(n)) < 0 ) { SL(n) = -SL(n); fprintf(asir_out,"-"); } |
printn((N)n); |
printn((N)n); |
if ( sd < 0 ) SL(n) = -SL(n); |
if ( sd < 0 ) SL(n) = -SL(n); |
|
} |
|
} |
|
|
|
/* |
|
* Dx^k*x^l = W(k,l,0)*x^l*Dx^k+W(k,l,1)*x^(l-1)*x^(k-1)*+... |
|
* |
|
* t = [W(k,l,0) W(k,l,1) ... W(k,l,min(k,l)] |
|
* where W(k,l,i) = i! * kCi * lCi |
|
*/ |
|
|
|
void mkwcz(int k,int l,Z *t) |
|
{ |
|
int i,n,up,low; |
|
N nm,d,c; |
|
|
|
n = MIN(k,l); |
|
for ( t[0] = (Z)ONEN, i = 1; i <= n; i++ ) { |
|
DM(k-i+1,l-i+1,up,low); |
|
if ( up ) { |
|
nm = NALLOC(2); PL(nm) = 2; BD(nm)[0] = low; BD(nm)[1] = up; |
|
} else { |
|
nm = NALLOC(1); PL(nm) = 1; BD(nm)[0] = low; |
|
} |
|
kmuln((N)t[i-1],nm,&d); divin(d,i,&c); t[i] = (Z)c; |
} |
} |
} |
} |