2013-09-29 00:21:18 +04:00
|
|
|
/* j/2/levy.c
|
|
|
|
**
|
|
|
|
*/
|
|
|
|
#include "all.h"
|
2014-09-04 07:10:43 +04:00
|
|
|
|
2018-04-27 19:42:15 +03:00
|
|
|
static u3_noun
|
|
|
|
_levy_in(u3j_site* sit_u, u3_noun a)
|
2013-09-29 00:21:18 +04:00
|
|
|
{
|
2014-08-20 01:49:16 +04:00
|
|
|
if ( 0 == a ) {
|
2014-11-05 04:18:47 +03:00
|
|
|
return c3y;
|
2013-09-29 00:21:18 +04:00
|
|
|
} else {
|
2014-09-06 00:13:24 +04:00
|
|
|
u3_noun loz;
|
2013-09-29 00:21:18 +04:00
|
|
|
|
2014-11-05 04:18:47 +03:00
|
|
|
if ( c3n == u3du(a) ) {
|
2014-11-06 03:20:01 +03:00
|
|
|
return u3m_bail(c3__exit);
|
2013-09-29 00:21:18 +04:00
|
|
|
}
|
2018-04-27 19:42:15 +03:00
|
|
|
else switch ( (loz = u3j_gate_slam(sit_u, u3k(u3h(a)))) ) {
|
|
|
|
case c3y: return _levy_in(sit_u, u3t(a));
|
2014-11-05 04:18:47 +03:00
|
|
|
case c3n: return c3n;
|
2014-09-06 00:13:24 +04:00
|
|
|
default: u3z(loz);
|
2014-11-06 03:20:01 +03:00
|
|
|
return u3m_bail(c3__exit);
|
2013-09-29 00:21:18 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2018-04-27 19:42:15 +03:00
|
|
|
|
|
|
|
/* functions
|
|
|
|
*/
|
|
|
|
u3_noun
|
|
|
|
u3qb_levy(u3_noun a,
|
|
|
|
u3_noun b)
|
|
|
|
{
|
|
|
|
u3_noun pro;
|
|
|
|
u3j_site sit_u;
|
|
|
|
u3j_gate_prep(&sit_u, b);
|
|
|
|
pro = _levy_in(&sit_u, a);
|
|
|
|
u3j_gate_lose(&sit_u);
|
|
|
|
return pro;
|
|
|
|
}
|
2014-09-06 00:13:24 +04:00
|
|
|
u3_noun
|
2015-08-28 16:25:37 +03:00
|
|
|
u3wb_levy(u3_noun cor)
|
2013-09-29 00:21:18 +04:00
|
|
|
{
|
2014-09-06 00:13:24 +04:00
|
|
|
u3_noun a, b;
|
2013-09-29 00:21:18 +04:00
|
|
|
|
2014-11-18 00:56:51 +03:00
|
|
|
if ( c3n == u3r_mean(cor, u3x_sam_2, &a, u3x_sam_3, &b, 0) ) {
|
2014-11-06 03:20:01 +03:00
|
|
|
return u3m_bail(c3__exit);
|
2013-09-29 00:21:18 +04:00
|
|
|
} else {
|
2014-11-06 22:13:57 +03:00
|
|
|
return u3qb_levy(a, b);
|
2013-09-29 00:21:18 +04:00
|
|
|
}
|
|
|
|
}
|