version 1.3, 2014/08/19 06:35:01 |
version 1.5, 2017/01/08 03:05:39 |
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mpz_t ONEMPZ; |
mpz_t ONEMPZ; |
GZ ONEGZ; |
GZ ONEGZ; |
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int lf_lazy; |
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GZ current_mod_lf; |
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void isqrtgz(GZ a,GZ *r); |
void isqrtgz(GZ a,GZ *r); |
void bshiftgz(GZ a,int n,GZ *r); |
void bshiftgz(GZ a,int n,GZ *r); |
Line 21 void gc_free(void *p,size_t size) |
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Line 23 void gc_free(void *p,size_t size) |
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void init_gmpq() |
void init_gmpq() |
{ |
{ |
mp_set_memory_functions(Risa_GC_malloc_atomic,gc_realloc,gc_free); |
mp_set_memory_functions(Risa_GC_malloc,gc_realloc,gc_free); |
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mpz_init(ONEMPZ); mpz_set_ui(ONEMPZ,1); MPZTOGZ(ONEMPZ,ONEGZ); |
mpz_init(ONEMPZ); mpz_set_ui(ONEMPZ,1); MPZTOGZ(ONEMPZ,ONEGZ); |
} |
} |
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return q; |
return q; |
} |
} |
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void dupgz(GZ a,GZ *b) |
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{ |
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mpz_t t; |
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if ( !a ) *b = a; |
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else { |
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mpz_init(t); mpz_set(t,BDY(a)); MPZTOGZ(t,*b); |
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} |
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} |
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int n_bits_gz(GZ a) |
int n_bits_gz(GZ a) |
{ |
{ |
return a ? mpz_sizeinbase(BDY(a),2) : 0; |
return a ? mpz_sizeinbase(BDY(a),2) : 0; |
Line 211 void mulgz(GZ n1,GZ n2,GZ *nr) |
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Line 223 void mulgz(GZ n1,GZ n2,GZ *nr) |
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mpz_t t; |
mpz_t t; |
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if ( !n1 || !n2 ) *nr = 0; |
if ( !n1 || !n2 ) *nr = 0; |
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#if 1 |
else if ( UNIGZ(n1) ) *nr = n2; |
else if ( UNIGZ(n1) ) *nr = n2; |
else if ( UNIGZ(n2) ) *nr = n1; |
else if ( UNIGZ(n2) ) *nr = n1; |
else if ( MUNIGZ(n1) ) chsgngz(n2,nr); |
else if ( MUNIGZ(n1) ) chsgngz(n2,nr); |
else if ( MUNIGZ(n2) ) chsgngz(n1,nr); |
else if ( MUNIGZ(n2) ) chsgngz(n1,nr); |
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#endif |
else { |
else { |
mpz_init(t); mpz_mul(t,BDY(n1),BDY(n2)); MPZTOGZ(t,*nr); |
mpz_init(t); mpz_mul(t,BDY(n1),BDY(n2)); MPZTOGZ(t,*nr); |
} |
} |
} |
} |
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/* nr += n1*n2 */ |
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void muladdtogz(GZ n1,GZ n2,GZ *nr) |
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{ |
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GZ t; |
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if ( n1 && n2 ) { |
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if ( !(*nr) ) { |
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NEWGZ(t); mpz_init(BDY(t)); *nr = t; |
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} |
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mpz_addmul(BDY(*nr),BDY(n1),BDY(n2)); |
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} |
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} |
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void mul1gz(GZ n1,int n2,GZ *nr) |
void mul1gz(GZ n1,int n2,GZ *nr) |
{ |
{ |
mpz_t t; |
mpz_t t; |
Line 248 void divgz(GZ n1,GZ n2,GZ *nq) |
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Line 276 void divgz(GZ n1,GZ n2,GZ *nq) |
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} |
} |
} |
} |
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void remgz(GZ n1,GZ n2,GZ *nr) |
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{ |
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mpz_t r; |
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if ( !n2 ) { |
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error("division by 0"); |
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*nr = 0; |
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} else if ( !n1 || n1 == n2 ) |
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*nr = 0; |
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else { |
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mpz_init(r); |
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mpz_mod(r,BDY(n1),BDY(n2)); |
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if ( !mpz_sgn(r) ) *nr = 0; |
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else MPZTOGZ(r,*nr); |
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} |
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} |
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void divqrgz(GZ n1,GZ n2,GZ *nq,GZ *nr) |
void divqrgz(GZ n1,GZ n2,GZ *nq,GZ *nr) |
{ |
{ |
mpz_t t, a, b, q, r; |
mpz_t t, a, b, q, r; |
Line 351 void gcdgz(GZ n1,GZ n2,GZ *nq) |
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Line 396 void gcdgz(GZ n1,GZ n2,GZ *nq) |
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} |
} |
} |
} |
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void invgz(GZ n1,GZ *nq) |
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{ |
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mpz_t t; |
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mpz_init(t); mpz_invert(t,BDY(n1),BDY(current_mod_lf)); |
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MPZTOGZ(t,*nq); |
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} |
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void lcmgz(GZ n1,GZ n2,GZ *nq) |
void lcmgz(GZ n1,GZ n2,GZ *nq) |
{ |
{ |
GZ g,t; |
GZ g,t; |
Line 1215 void bshiftgz(GZ a,int n,GZ *r) |
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Line 1268 void bshiftgz(GZ a,int n,GZ *r) |
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} |
} |
} |
} |
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void addlf(GZ a,GZ b,GZ *c) |
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{ |
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GZ t; |
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addgz(a,b,c); |
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if ( !lf_lazy ) { |
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remgz(*c,current_mod_lf,&t); *c = t; |
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} |
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} |
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void sublf(GZ a,GZ b,GZ *c) |
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{ |
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GZ t; |
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subgz(a,b,c); |
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if ( !lf_lazy ) { |
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remgz(*c,current_mod_lf,&t); *c = t; |
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} |
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} |
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void mullf(GZ a,GZ b,GZ *c) |
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{ |
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GZ t; |
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mulgz(a,b,c); |
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if ( !lf_lazy ) { |
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remgz(*c,current_mod_lf,&t); *c = t; |
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} |
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} |
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void divlf(GZ a,GZ b,GZ *c) |
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{ |
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GZ t,inv; |
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invgz(b,&inv); |
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mulgz(a,inv,c); |
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if ( !lf_lazy ) { |
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remgz(*c,current_mod_lf,&t); *c = t; |
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} |
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} |
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void chsgnlf(GZ a,GZ *c) |
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{ |
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GZ t; |
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chsgngz(a,c); |
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if ( !lf_lazy ) { |
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remgz(*c,current_mod_lf,&t); *c = t; |
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} |
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} |
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void lmtolf(LM a,GZ *b) |
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{ |
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Q q; |
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NTOQ(BDY(a),1,q); *b = ztogz(q); |
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} |
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void setmod_lf(N p) |
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{ |
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Q q; |
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NTOQ(p,1,q); current_mod_lf = ztogz(q); |
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} |
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void simplf_force(GZ a,GZ *b) |
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{ |
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GZ t; |
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remgz(a,current_mod_lf,&t); *b = t; |
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} |