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

[SVN r48251]
This commit is contained in:
Gennaro Prota
2008-08-20 11:06:23 +00:00
parent 06946f6607
commit 18dbae4700

View File

@ -1,20 +1,16 @@
// ------------------------------------- // -----------------------------------------------------------
// integer_log2.hpp // integer_log2.hpp
// //
// Gives the integer part of the logarithm, in base 2, of a // Gives the integer part of the logarithm, in base 2, of a
// given number. Behavior is undefined if the argument is <= 0. // given number. Behavior is undefined if the argument is <= 0.
// //
// // Copyright (c) 2003-2004, 2008 Gennaro Prota
// (C) Copyright Gennaro Prota 2003 - 2004.
// //
// Distributed under the Boost Software License, Version 1.0. // Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at // (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt) // http://www.boost.org/LICENSE_1_0.txt)
// //
// ------------------------------------------------------ // -----------------------------------------------------------
//
// $Id$
#ifndef BOOST_INTEGER_LOG2_HPP_GP_20030301 #ifndef BOOST_INTEGER_LOG2_HPP_GP_20030301
#define BOOST_INTEGER_LOG2_HPP_GP_20030301 #define BOOST_INTEGER_LOG2_HPP_GP_20030301
@ -37,7 +33,7 @@ namespace boost {
while (x != 1) { while (x != 1) {
const T t = x >> n; const T t = static_cast<T>(x >> n);
if (t) { if (t) {
result += n; result += n;
x = t; x = t;