* missing/lgamma_r.c (lgamma_r): use smaller argument for sin function.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15407 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 5 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 29eece08f9..57c5d2e443 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Feb  8 23:51:36 2008  Tanaka Akira  <akr@fsij.org>
+
+	* missing/lgamma_r.c (lgamma_r): use smaller argument for sin function.
+
 Fri Feb  8 22:10:36 2008  Tanaka Akira  <akr@fsij.org>
 
 	* lib/open-uri.rb (OpenURI.open_http): rescue URI::InvalidURIError by
diff --git a/missing/lgamma_r.c b/missing/lgamma_r.c
index 856cc83288..d4402c67b1 100644
--- a/missing/lgamma_r.c
+++ b/missing/lgamma_r.c
@@ -56,7 +56,7 @@ lgamma_r(double x, int *signp)
             return 1.0/zero;
         }
         *signp = (fmod(i, 2.0) != 0.0) ? 1 : -1;
-        s = sin(PI * x);
+        s = sin(PI * f);
         if (s < 0) s = -s;
         return LOG_PI - log(s) - loggamma(1 - x);
     }