takano32	2009-11-18 12:06:32 +0900 (Wed, 18 Nov 2009)

  New Revision: 25836

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=25836

  Log:
    * math.c (math_gamma): fix incorrect comparison expression.
      see also [ruby-dev:39709] [Bug #2381]

  Modified files:
    trunk/ChangeLog
    trunk/math.c

Index: math.c
===================================================================
--- math.c	(revision 25835)
+++ math.c	(revision 25836)
@@ -666,14 +666,13 @@
     };
     double d0, d;
     double intpart, fracpart;
-    int n;
     Need_Float(x);
     d0 = RFLOAT_VALUE(x);
     fracpart = modf(d0, &intpart);
     if (fracpart == 0.0 &&
-	0 < intpart &&
-	(n = (int)intpart - 1) < numberof(fact_table)) {
-        return DBL2NUM(fact_table[n]);
+        0 < intpart &&
+        intpart - 1 < (double)numberof(fact_table)) {
+        return DBL2NUM(fact_table[(int)intpart - 1]);
     }
     errno = 0;
     d = tgamma(d0);
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 25835)
+++ ChangeLog	(revision 25836)
@@ -1,3 +1,8 @@
+Wed Nov 18 11:57:32 2009  TAKANO Mitsuhiro (takano32)  <tak@n...>
+
+	* math.c (math_gamma): fix incorrect comparison expression.
+	  see also [ruby-dev:39709] [Bug #2381]
+
 Wed Nov 18 11:37:05 2009  NARUSE, Yui  <naruse@r...>
 
 	* io.c (rb_scan_open_args): move path encoding conversion

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