\f
-static SCM abs_most_negative_fixnum;
static mpz_t z_negative_one;
\f
else if (SCM_BIGP (y))
{
if ((SCM_INUM (x) == SCM_MOST_NEGATIVE_FIXNUM)
- && (scm_i_bigcmp (abs_most_negative_fixnum, y) == 0))
- /* Special case: x == fixnum-min && y == abs (fixnum-min) */
- return SCM_MAKINUM (-1);
+ && (mpz_cmp_ui (SCM_I_BIG_MPZ (y),
+ - SCM_MOST_NEGATIVE_FIXNUM) == 0))
+ {
+ /* Special case: x == fixnum-min && y == abs (fixnum-min) */
+ scm_remember_upto_here_1 (y);
+ return SCM_MAKINUM (-1);
+ }
else
return SCM_MAKINUM (0);
}
else if (SCM_BIGP (y))
{
if ((SCM_INUM (x) == SCM_MOST_NEGATIVE_FIXNUM)
- && (scm_i_bigcmp (abs_most_negative_fixnum, y) == 0))
- /* Special case: x == fixnum-min && y == abs (fixnum-min) */
- return SCM_MAKINUM (0);
+ && (mpz_cmp_ui (SCM_I_BIG_MPZ (y),
+ - SCM_MOST_NEGATIVE_FIXNUM) == 0))
+ {
+ /* Special case: x == fixnum-min && y == abs (fixnum-min) */
+ scm_remember_upto_here_1 (y);
+ return SCM_MAKINUM (0);
+ }
else
return x;
}
void
scm_init_numbers ()
{
- abs_most_negative_fixnum = scm_i_long2big (- SCM_MOST_NEGATIVE_FIXNUM);
- scm_permanent_object (abs_most_negative_fixnum);
-
mpz_init_set_si (z_negative_one, -1);
/* It may be possible to tune the performance of some algorithms by using