mirror of
https://github.com/ilyakooo0/urbit.git
synced 2024-12-12 15:01:38 +03:00
40 lines
596 B
C
40 lines
596 B
C
/* j/3/bex.c
|
|
**
|
|
** This file is in the public domain.
|
|
*/
|
|
#include "all.h"
|
|
|
|
|
|
/* functions
|
|
*/
|
|
u3_noun
|
|
u3_cqc_bex(u3_atom a)
|
|
{
|
|
mpz_t a_mp;
|
|
|
|
if ( u3_ne(u3_co_is_cat(a)) ) {
|
|
return u3_cm_bail(c3__fail);
|
|
}
|
|
else {
|
|
mpz_init_set_ui(a_mp, 1);
|
|
mpz_mul_2exp(a_mp, a_mp, a);
|
|
|
|
return u3_ci_mp(a_mp);
|
|
}
|
|
}
|
|
u3_noun
|
|
u3_cwc_bex(
|
|
u3_noun cor)
|
|
{
|
|
u3_noun a;
|
|
|
|
if ( (u3_none == (a = u3_cr_at(u3_cv_sam, cor))) ||
|
|
(u3_no == u3ud(a)) )
|
|
{
|
|
return u3_cm_bail(c3__exit);
|
|
} else {
|
|
return u3_cqc_bex(a);
|
|
}
|
|
}
|
|
|