Make `flo_rount` to return `Integeral`.
MODIFY
src/numeric.c
src/numeric.c
@@ -726,7 +726,7 @@ flo_round(mrb_state *mrb, mrb_value num)
if (!isfinite(number)) return num;
return mrb_float_value(mrb, number);
}
- return mrb_fixnum_value((mrb_int)number);
+ return mrb_int_value(mrb, number);
}
/* 15.2.9.3.14 */

Make `flo_rount` to return `Integeral`.