Merged revisions 76878 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r76878 | mark.dickinson | 2009-12-19 11:07:23 +0000 (Sat, 19 Dec 2009) | 3 lines

  Issue #3366: Add error function and complementary error function to
  math module.
........

1 files changed, 17 insertions, 1 deletions

diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index 39aea29..fce4d49 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -161,6 +161,8 @@ Power and logarithmic functions
       >>> expm1(1e-5)    # result accurate to full precision
       1.0000050000166668e-05
 
+   .. versionadded:: 3.2
+
 
 .. function:: log(x[, base])
 
@@ -295,6 +297,20 @@ Hyperbolic functions
 Special functions
 -----------------
 
+.. function:: erf(x)
+
+   Return the error function at *x*.
+
+   .. versionadded:: 3.2
+
+
+.. function:: erfc(x)
+
+   Return the complementary error function at *x*.
+
+   .. versionadded:: 3.2
+
+
 .. function:: gamma(x)
 
    Return the Gamma function at *x*.
@@ -307,7 +323,7 @@ Special functions
    Return the natural logarithm of the absolute value of the Gamma
    function at *x*.
 
-   .. versionadded:: 2.7
+   .. versionadded:: 3.2
 
 
 Constants