shrub/gen164/1/lth.c
2014-09-03 20:10:43 -07:00

46 lines
774 B
C

/* j/1/lth.c
**
** This file is in the public domain.
*/
#include "all.h"
/* functions
*/
u2_noun
u2_cqa_lth(u2_atom a,
u2_atom b)
{
if ( u2_co_is_cat(a) && u2_co_is_cat(b) ) {
return u2_say(a <= b);
}
else {
mpz_t a_mp, b_mp;
u2_bean cmp;
u2_cr_mp(a_mp, a);
u2_cr_mp(b_mp, b);
cmp = (mpz_cmp(a_mp, b_mp) < 0) ? u2_yes : u2_no;
mpz_clear(a_mp);
mpz_clear(b_mp);
return cmp;
}
}
u2_noun
u2_cwa_lth(u2_noun cor)
{
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_lth(a, b);
}
}