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boost/pending/: ported revision 48251 ("integer_log2.hpp and lowest_bit.hpp, in boost/pending/: little comment cleanup (svn anchors, etc.); added a static_cast<> to silence (harmless) MSVC++ warnings") from trunk

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[SVN r48353]
This commit is contained in:
Gennaro Prota
2008-08-24 18:16:24 +00:00
committed by Glen Fernandes
parent 0f7eb589da
commit 914b459763
1 changed files with 4 additions and 8 deletions
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12
include/boost/pending/integer_log2.hpp
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@ -1,20 +1,16 @@
// -------------------------------------
// -----------------------------------------------------------
// integer_log2.hpp
//
// Gives the integer part of the logarithm, in base 2, of a
// given number. Behavior is undefined if the argument is <= 0.
//
//
// (C) Copyright Gennaro Prota 2003 - 2004.
// Copyright (c) 2003-2004, 2008 Gennaro Prota
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// ------------------------------------------------------
//
// $Id$
// -----------------------------------------------------------
#ifndef BOOST_INTEGER_LOG2_HPP_GP_20030301
#define BOOST_INTEGER_LOG2_HPP_GP_20030301
@ -37,7 +33,7 @@ namespace boost {
while (x != 1) {
const T t = x >> n;
const T t = static_cast<T>(x >> n);
if (t) {
result += n;
x = t;