From 9415afcce1a130e16b92dd10591bfaf813f6b45c Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@haypocalc.com>
Date: Wed, 21 Sep 2011 03:35:18 +0200
Subject: [PATCH] meth.log2 doc: add a link to int.bit_length()

---
 Doc/library/math.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Doc/library/math.rst b/Doc/library/math.rst
index d68cf1157c0..62c0f34eefd 100644
--- a/Doc/library/math.rst
+++ b/Doc/library/math.rst
@@ -191,6 +191,11 @@ Power and logarithmic functions
 
    .. versionadded:: 3.3
 
+   .. seealso::
+
+      :meth:`int.bit_length` returns the number of bits necessary to represent
+      an integer in binary, excluding the sign and leading zeros.
+
 
 .. function:: log10(x)