1 files changed, 6 insertions, 8 deletions
diff --git a/src/numeric.c b/src/numeric.c
index e80d5c136..c536f0614 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -237,17 +237,15 @@ flo_idiv(mrb_state *mrb, mrb_value xv)
 mrb_float
 mrb_num_div_flo(mrb_state *mrb, mrb_float x, mrb_float y)
 {
-  mrb_float f;
-
-  if (y == 0) {
-    if (x > 0) f = INFINITY;
-    else if (x < 0) f = -INFINITY;
-    else /* if (x == 0) */ f = NAN;
+  if (y != 0.0) {
+    return x / y;
+  }
+  else if (x == 0.0) {
+    return NAN;
   }
   else {
-    f = x / y;
+    return x * (signbit(y) ? -1.0 : 1.0) * INFINITY;
   }
-  return f;
 }
 
 static mrb_value