urbit/jets/c/hor.c

47 lines
769 B
C

/* j/3/hor.c
**
*/
#include "all.h"
/* functions
*/
u3_noun
u3qc_hor(u3_noun a,
u3_noun b)
{
if ( c3y == u3ud(a) ) {
if ( c3y == u3ud(b) ) {
return u3qc_gor(a, b);
} else {
return c3y;
}
} else {
if ( c3y == u3ud(b) ) {
return c3n;
}
else {
u3_noun h_a = u3h(a);
u3_noun h_b = u3h(b);
if ( c3y == u3r_sing(h_a, h_b) ) {
return u3qc_gor(u3t(a), u3t(b));
} else {
return u3qc_gor(h_a, h_b);
}
}
}
}
u3_noun
u3wc_hor(u3_noun cor)
{
u3_noun a, b;
if ( (c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0)) ) {
return u3m_bail(c3__exit);
} else {
return u3qc_hor(a, b);
}
}