Merged revisions 75117 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

........
  r75117 | mark.dickinson | 2009-09-28 19:54:55 +0100 (Mon, 28 Sep 2009) | 3 lines

  Issue #3366:  Add gamma function to math module.
  (lgamma, erf and erfc to follow).
........
diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index 566603d..270c25f 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -278,6 +278,16 @@
    Return the hyperbolic tangent of *x*.
 
 
+Special functions
+-----------------
+
+.. function:: gamma(x)
+
+   Return the Gamma function at *x*.
+
+   .. versionadded:: 2.7
+
+
 Constants
 ---------