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Justin Ethier 2017-02-16 04:34:05 -05:00
parent 670d5a0e98
commit 8c4ec056c8
1 changed files with 14 additions and 1 deletions
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15
runtime.c
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@ -3105,7 +3105,20 @@ object Cyc_expt(void *data, object cont, object z1, object z2)
// TODO: convert bignum back to fixnum if possible
object Cyc_bignum_normalize(void *data, object n)
{
return n;
mp_int bn;
if (!is_object_type(n) || type_of(n) != bignum_tag) {
return n;
}
mp_init(&bn);
mp_set_int(&bn, CYC_FIXNUM_MAX);
if (mp_cmp_mag(&bignum_value(n), &bn) == MP_GT) {
mp_clear(&bn);
return n;
} else {
mp_clear(&bn);
return obj_obj2int( TODO: get signed bignum int value
}
}
/* I/O functions */