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-rw-r--r--src/numeric.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/numeric.c b/src/numeric.c
index 90ea6c965..3f211ca70 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -54,11 +54,12 @@ static mrb_value
num_pow(mrb_state *mrb, mrb_value x)
{
mrb_value y;
- mrb_float d;
+ mrb_float d, yv;
mrb_get_args(mrb, "o", &y);
- d = pow(mrb_to_flo(mrb, x), mrb_to_flo(mrb, y));
- if (mrb_fixnum_p(x) && mrb_fixnum_p(y) && FIXABLE(d))
+ yv = mrb_to_flo(mrb, y);
+ d = pow(mrb_to_flo(mrb, x), yv);
+ if (mrb_fixnum_p(x) && mrb_fixnum_p(y) && FIXABLE(d) && yv > 0)
return mrb_fixnum_value((mrb_int)d);
return mrb_float_value(mrb, d);
}