akr	2008-02-07 11:40:57 +0900 (Thu, 07 Feb 2008)

  New Revision: 15391

  Modified files:
    trunk/math.c

  Log:
    fix lgamma doc.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/math.c?r1=15391&r2=15390&diff_format=u

Index: math.c
===================================================================
--- math.c	(revision 15390)
+++ math.c	(revision 15391)
@@ -542,7 +542,7 @@
  *  the sign of gamma of x.
  *
  *  Math.lgamma(x) is same as
- *   [Math.log(Math.gamma(x)), Math.gamma(x) < 0 ? -1 : 1]
+ *   [Math.log(Math.gamma(x).abs), Math.gamma(x) < 0 ? -1 : 1]
  *  but avoid overflow by Math.gamma(x) for large x.
  */
 

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