urbit/jets/a/mul.c

57 lines
877 B
C

/* j/1/mul.c
**
*/
#include "all.h"
/* functions
*/
u3_noun
u3qa_mul(u3_atom a,
u3_atom b)
{
if ( _(u3a_is_cat(a)) && _(u3a_is_cat(b)) ) {
c3_d c = ((c3_d) a) * ((c3_d) b);
return u3i_chubs(1, &c);
}
else if ( 0 == a ) {
return 0;
}
else {
mpz_t a_mp, b_mp;
u3r_mp(a_mp, a);
u3r_mp(b_mp, b);
mpz_mul(a_mp, a_mp, b_mp);
mpz_clear(b_mp);
return u3i_mp(a_mp);
}
}
u3_noun
u3wa_mul(u3_noun cor)
{
u3_noun a, b;
if ( (c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0)) ||
(c3n == u3ud(a)) ||
(c3n == u3ud(b) && a != 0) )
{
return u3m_bail(c3__exit);
} else {
return u3qa_mul(a, b);
}
}
u3_noun
u3ka_mul(u3_noun a,
u3_noun b)
{
u3_noun c = u3qa_mul(a, b);
u3z(a); u3z(b);
return c;
}