urbit/j/1/mod.c
2014-11-05 16:20:01 -08:00

44 lines
693 B
C

/* j/1/mod.c
**
** This file is in the public domain.
*/
#include "all.h"
/* functions
*/
u3_noun
u3_cqa_mod(
u3_atom a,
u3_atom b)
{
if ( 0 == b ) {
return u3m_bail(c3__exit);
} else {
mpz_t a_mp, b_mp;
u3r_mp(a_mp, a);
u3r_mp(b_mp, b);
mpz_tdiv_r(a_mp, a_mp, b_mp);
mpz_clear(b_mp);
return u3i_mp(a_mp);
}
}
u3_noun
u3_cwa_mod(u3_noun cor)
{
u3_noun a, b;
if ( (c3n == u3r_mean(cor, u3v_sam_2, &a, u3v_sam_3, &b, 0)) ||
(c3n == u3ud(a)) ||
(c3n == u3ud(b)) )
{
return u3m_bail(c3__exit);
} else {
return u3_cqa_mod(a, b);
}
}