urbit/j/a/lth.c
2014-11-17 13:56:51 -08:00

46 lines
742 B
C

/* j/1/lth.c
**
** This file is in the public domain.
*/
#include "all.h"
/* functions
*/
u3_noun
u3qa_lth(u3_atom a,
u3_atom b)
{
if ( _(u3a_is_cat(a)) && _(u3a_is_cat(b)) ) {
return __(a < b);
}
else {
mpz_t a_mp, b_mp;
u3_noun cmp;
u3r_mp(a_mp, a);
u3r_mp(b_mp, b);
cmp = (mpz_cmp(a_mp, b_mp) < 0) ? c3y : c3n;
mpz_clear(a_mp);
mpz_clear(b_mp);
return cmp;
}
}
u3_noun
u3wa_lth(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_lth(a, b);
}
}