mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-11-29 12:15:43 +03:00
105 lines
2.1 KiB
C
105 lines
2.1 KiB
C
/* j/4/in_uni.c
|
|
**
|
|
*/
|
|
#include "all.h"
|
|
|
|
/* internal functions
|
|
*/
|
|
|
|
static u3_noun
|
|
_in_uni(u3_noun a, u3_noun b)
|
|
{
|
|
u3_noun n_a, l_a, r_a,
|
|
n_b, l_b, r_b,
|
|
neb, sub, naw, pro;
|
|
if ( u3_nul == a ) {
|
|
return u3k(b);
|
|
}
|
|
else if ( u3_nul == b ) {
|
|
return u3k(a);
|
|
}
|
|
else if ( (c3n == u3r_trel(a, &n_a, &l_a, &r_a))
|
|
|| (c3n == u3r_trel(b, &n_b, &l_b, &r_b)) )
|
|
{
|
|
return u3m_bail(c3__exit);
|
|
}
|
|
else if ( c3n == u3qc_vor(n_a, n_b) ) {
|
|
if ( c3y == u3r_sing(n_a, n_b) ) {
|
|
return u3nt(u3k(n_b), _in_uni(l_a, l_b), _in_uni(r_a, r_b));
|
|
}
|
|
else if ( c3y == u3qc_gor(n_a, n_b) ) {
|
|
naw = u3nt(u3k(n_a), u3k(l_a), u3_nul);
|
|
sub = _in_uni(naw, l_b);
|
|
neb = u3nt(u3k(n_b), sub, u3k(r_b));
|
|
pro = _in_uni(r_a, neb);
|
|
u3z(naw); u3z(neb);
|
|
return pro;
|
|
}
|
|
else {
|
|
naw = u3nt(u3k(n_a), u3_nul, u3k(r_a));
|
|
sub = _in_uni(naw, r_b);
|
|
neb = u3nt(u3k(n_b), u3k(l_b), sub);
|
|
pro = _in_uni(l_a, neb);
|
|
u3z(naw); u3z(neb);
|
|
return pro;
|
|
}
|
|
}
|
|
else if ( c3y == u3r_sing(n_b, n_a) ) {
|
|
return u3nt(u3k(n_b), _in_uni(l_a, l_b), _in_uni(r_a, r_b));
|
|
}
|
|
else if ( c3y == u3qc_gor(n_b, n_a) ) {
|
|
neb = u3nt(u3k(n_b), u3k(l_b), u3_nul);
|
|
sub = _in_uni(l_a, neb);
|
|
naw = u3nt(u3k(n_a), sub, u3k(r_a));
|
|
pro = _in_uni(naw, r_b);
|
|
u3z(neb); u3z(naw);
|
|
return pro;
|
|
}
|
|
else {
|
|
neb = u3nt(u3k(n_b), u3_nul, u3k(r_b));
|
|
sub = _in_uni(r_a, neb);
|
|
naw = u3nt(u3k(n_a), u3k(l_a), sub);
|
|
pro = _in_uni(naw, l_b);
|
|
u3z(neb); u3z(naw);
|
|
return pro;
|
|
}
|
|
}
|
|
|
|
|
|
/* functions
|
|
*/
|
|
u3_noun
|
|
u3kdi_uni(u3_noun a,
|
|
u3_noun b)
|
|
{
|
|
u3_noun c = u3qdi_uni(a, b);
|
|
|
|
u3z(a);
|
|
u3z(b);
|
|
return c;
|
|
}
|
|
|
|
u3_noun
|
|
u3qdi_uni(u3_noun a,
|
|
u3_noun b)
|
|
{
|
|
if ( c3y == u3r_sing(a, b) ) {
|
|
return u3k(a);
|
|
}
|
|
else {
|
|
return _in_uni(a, b);
|
|
}
|
|
}
|
|
u3_noun
|
|
u3wdi_uni(u3_noun cor)
|
|
{
|
|
u3_noun a, b;
|
|
|
|
if ( c3n == u3r_mean(cor, u3x_sam, &b, u3x_con_sam, &a, 0) ) {
|
|
return u3m_bail(c3__exit);
|
|
} else {
|
|
return u3qdi_uni(a, b);
|
|
}
|
|
}
|
|
|