shrub/gen164/1/mul.c
2014-09-02 22:46:55 -07:00

46 lines
1.0 KiB
C

/* j/1/mul.c
**
** This file is in the public domain.
*/
#include "all.h"
#include "../pit.h"
/* functions
*/
u2_weak // transfer
u2_cqa_mul(u2_atom a, // retain
u2_atom b) // retain
{
if ( u2_so(u2_co_is_cat(a)) && u2_so(u2_co_is_cat(b)) ) {
c3_d c = ((c3_d) a) * ((c3_d) b);
return u2_ci_chubs(1, &c);
}
else {
mpz_t a_mp, b_mp;
u2_cr_mp(a_mp, a);
u2_cr_mp(b_mp, b);
mpz_mul(a_mp, a_mp, b_mp);
mpz_clear(b_mp);
return u2_ci_mp(a_mp);
}
}
u2_weak // transfer
u2_cwa_mul(u2_noun cor) // retain
{
u2_noun a, b;
if ( (u2_no == u2_cr_mean(cor, u2_cv_sam_2, &a, u2_cv_sam_3, &b, 0)) ||
(u2_no == u2ud(a)) ||
(u2_no == u2ud(b)) )
{
return u2_cm_bail(c3__exit);
} else {
return u2_cqa_mul(a, b);
}
}