From ac936fc21103f8cc3c144f66c62b41cc8ee1165a Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Sat, 22 Feb 2014 11:06:38 +0900
Subject: powered num may be infinite in float-string conversion

---
 src/numeric.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src')

diff --git a/src/numeric.c b/src/numeric.c
index 0789a7654..c17b9c251 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -148,6 +148,14 @@ mrb_flo_to_str(mrb_state *mrb, mrb_value flo)
       /* exponent representation */
       e = TRUE;
       n = n / pow(10.0, exp);
+      if (isinf(n)) {
+        if (s[0] == '-') {
+          return mrb_str_new_lit(mrb, "-0.0");
+        }
+        else {
+          return mrb_str_new_lit(mrb, "0.0");
+        }
+      }
     }
     else {
       /* un-exponent (normal) representation */
-- 
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