urbit/jets/a/mod.c
2015-08-28 08:25:19 -05:00

49 lines
832 B
C

/* j/1/mod.c
**
*/
#include "all.h"
/* functions
*/
u3_noun
u3qa_mod(u3_atom a,
u3_atom b)
{
#if 0
if ( b == 3 && a == 2684227708 ) {
printf("dword at 0x27ff84ff8 is %" PRIu64 "\r\n", *(c3_d *)0x27ff84ff8);
*(c3_d *)0x27ff84ff8 = 25;
printf("see, we modified it\r\n");
}
#endif
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
u3wa_mod(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)) )
{
return u3m_bail(c3__exit);
} else {
return u3qa_mod(a, b);
}
}