mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-29 18:06:43 +03:00
98 lines
2.1 KiB
C
98 lines
2.1 KiB
C
|
/* j/6/toss.c
|
||
|
**
|
||
|
*/
|
||
|
#include "all.h"
|
||
|
|
||
|
|
||
|
/* internals
|
||
|
*/
|
||
|
static u3_noun
|
||
|
_toss_in(u3_noun van,
|
||
|
u3_noun sut,
|
||
|
u3_noun peh,
|
||
|
u3_noun mur,
|
||
|
u3_noun men)
|
||
|
{
|
||
|
if ( c3n == u3du(men) ) {
|
||
|
return u3nc(u3_nul, u3_nul);
|
||
|
}
|
||
|
else {
|
||
|
u3_noun i_men = u3h(men);
|
||
|
u3_noun pi_men = u3h(i_men);
|
||
|
u3_noun qi_men = u3t(i_men);
|
||
|
u3_noun t_men = u3t(men);
|
||
|
u3_noun geq = u3qfu_tack(van, pi_men, peh, mur);
|
||
|
u3_noun p_geq = u3h(geq);
|
||
|
u3_noun q_geq = u3t(geq);
|
||
|
u3_noun mox = _toss_in(van, sut, peh, mur, t_men);
|
||
|
u3_noun p_mox = u3h(mox);
|
||
|
u3_noun q_mox = u3t(mox);
|
||
|
u3_noun ret;
|
||
|
|
||
|
ret = u3nc(
|
||
|
( (u3_nul == p_mox)
|
||
|
? u3nc(u3_nul, u3k(p_geq))
|
||
|
: (c3n == u3r_sing(p_geq, u3t(p_mox)))
|
||
|
? u3m_bail(c3__exit)
|
||
|
: u3k(p_mox) ),
|
||
|
u3nc(u3nc(u3k(q_geq), u3k(qi_men)), u3k(q_mox)));
|
||
|
|
||
|
u3z(mox);
|
||
|
u3z(geq);
|
||
|
return ret;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* functions
|
||
|
*/
|
||
|
u3_noun
|
||
|
_cqfu_toss(u3_noun van,
|
||
|
u3_noun sut,
|
||
|
u3_noun peh,
|
||
|
u3_noun mur,
|
||
|
u3_noun men)
|
||
|
{
|
||
|
u3_noun wib = _toss_in(van, sut, peh, mur, men);
|
||
|
u3_noun p_wib = u3h(wib);
|
||
|
u3_noun q_wib = u3t(wib);
|
||
|
|
||
|
if ( u3_nul == p_wib ) {
|
||
|
return u3m_bail(c3__exit);
|
||
|
} else {
|
||
|
u3_noun ret = u3nc(u3k(u3t(p_wib)), u3k(q_wib));
|
||
|
|
||
|
u3z(wib);
|
||
|
return ret;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* boilerplate
|
||
|
*/
|
||
|
u3_noun
|
||
|
u3wfu_toss(u3_noun cor)
|
||
|
{
|
||
|
u3_noun van, sut, peh, mur, men;
|
||
|
|
||
|
if ( (c3n == u3r_mean(cor, u3x_sam_2, &peh,
|
||
|
u3x_sam_6, &mur,
|
||
|
u3x_sam_7, &men,
|
||
|
u3x_con, &van,
|
||
|
0)) ||
|
||
|
(u3_none == (sut = u3r_at(u3x_sam, van))) )
|
||
|
{
|
||
|
return u3m_bail(c3__fail);
|
||
|
} else {
|
||
|
return _cqfu_toss(van, sut, peh, mur, men);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
u3_noun
|
||
|
u3qfu_toss(u3_noun van,
|
||
|
u3_noun sut,
|
||
|
u3_noun peh,
|
||
|
u3_noun mur,
|
||
|
u3_noun men)
|
||
|
{
|
||
|
return _cqfu_toss(van, sut, peh, mur, men);
|
||
|
}
|