urbit/j/3/hor.c
2014-09-05 13:13:24 -07:00

48 lines
856 B
C

/* j/3/hor.c
**
** This file is in the public domain.
*/
#include "all.h"
/* functions
*/
u3_noun
u3_cqc_hor(u3_noun a,
u3_noun b)
{
if ( u3_yes == u3ud(a) ) {
if ( u3_yes == u3ud(b) ) {
return u3_cqc_gor(a, b);
} else {
return u3_yes;
}
} else {
if ( u3_yes == u3ud(b) ) {
return u3_no;
}
else {
u3_noun h_a = u3h(a);
u3_noun h_b = u3h(b);
if ( u3_yes == u3_cr_sing(h_a, h_b) ) {
return u3_cqc_gor(u3t(a), u3t(b));
} else {
return u3_cqc_gor(h_a, h_b);
}
}
}
}
u3_noun
u3_cwc_hor(u3_noun cor)
{
u3_noun a, b;
if ( (u3_no == u3_cr_mean(cor, u3_cv_sam_2, &a, u3_cv_sam_3, &b, 0)) ) {
return u3_cm_bail(c3__exit);
} else {
return u3_cqc_hor(a, b);
}
}