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+Wed Sep  2 13:47:30 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* math.c (domain_check): simplified.
+
 Wed Sep  2 11:32:24 2009  Koichi Sasada  <ko1@atdot.net>
 
 	* gc.c (obj_free): fix to free method table (fix memory leak).