nobu	2013-11-22 13:10:46 +0900 (Fri, 22 Nov 2013)

  New Revision: 43780

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=43780

  Log:
    util.c: more precision
    
    * util.c (ruby_strtod): BigMath requires more precision.

  Modified files:
    trunk/util.c
Index: util.c
===================================================================
--- util.c	(revision 43779)
+++ util.c	(revision 43780)
@@ -2107,7 +2107,7 @@ break2: https://github.com/ruby/ruby/blob/trunk/util.c#L2107
         for (; c >= '0' && c <= '9'; c = *++s) {
 have_dig:
             nz++;
-            if (nf > DBL_DIG * 2) continue;
+            if (nf > DBL_DIG * 4) continue;
             if (c -= '0') {
                 nf += nz;
                 for (i = 1; i < nz; i++)

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