Repository navigation
Expand file tree
/
Copy pathin_bif.c
More file actions
76 lines (69 loc) · 1.54 KB
/
Copy pathin_bif.c
File metadata and controls
76 lines (69 loc) · 1.54 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
/* jets/d/in_bif.c
**
*/
#include "all.h"
/* internal functions
*/
static
u3_noun _i_bif_putroot(u3_noun a,
u3_noun b)
{
if ( u3_nul == a) {
return u3nt(u3k(b), u3_nul, u3_nul);
}
else {
u3_noun n_a, l_a, r_a;
if ( (c3n == u3r_trel(a, &n_a, &l_a, &r_a)) ) {
return u3m_bail(c3__exit);
}
else if ( c3y == u3r_sing(b, n_a) ) {
return u3k(a);
}
else {
u3_noun c, n_c, l_c, r_c;
u3_noun d;
if ( c3y == u3qc_gor(b, n_a) ) {
c = _i_bif_putroot(l_a, b);
u3r_trel(c, &n_c, &l_c, &r_c);
d = u3nt(u3k(n_c),
u3k(l_c),
u3nt(u3k(n_a), u3k(r_c), u3k(r_a)));
u3z(c);
return d;
} else {
c = _i_bif_putroot(r_a, b);
u3r_trel(c, &n_c, &l_c, &r_c);
d = u3nt(u3k(n_c),
u3nt(u3k(n_a), u3k(l_a), u3k(l_c)),
u3k(r_c));
u3z(c);
return d;
}
}
}
}
/* functions
*/
u3_noun u3wdi_bif(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_bif(a, b);
}
}
u3_noun u3qdi_bif(u3_noun a,
u3_noun b)
{
u3_noun c, n_c, l_c, r_c;
u3_noun d;
c = _i_bif_putroot(a, b);
u3r_trel(c, &n_c, &l_c, &r_c);
d = u3nc(u3k(l_c), u3k(r_c));
u3z(c);
return d;
}
/*
u3_weak u3kdi_bif(u3_noun a, u3_noun b);
*/