numeric.c: simpler integer modulo calculation.
@@ -1119,15 +1119,11 @@ int_mod(mrb_state *mrb, mrb_value x)
a = mrb_integer(x);
if (mrb_integer_p(y) && a != MRB_INT_MIN && (b=mrb_integer(y)) != MRB_INT_MIN) {
- mrb_int mod;
-
- if (a >= 0 && b >= 0) {
- mod = a % b;
- }
- else {
- fixdivmod(mrb, a, b, NULL, &mod);
+ mrb_int mod = a % b;
+ if ((a < 0) != (b < 0) && mod != 0) {
+ mod += b;
}
- return mrb_fixnum_value(mod);
+ return mrb_int_value(mrb, mod);
}
#ifdef MRB_NO_FLOAT
mrb_raise(mrb, E_TYPE_ERROR, "non integer modulo");
