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[SVN r68911]
This commit is contained in:
Beman Dawes
2011-02-15 14:18:42 +00:00
parent bb233de354
commit 94dcc475a1
1 changed files with 47 additions and 0 deletions
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include/boost/detail/bitmask.hpp Normal file
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// boost/detail/bitmask.hpp ------------------------------------------------//
// Copyright Beman Dawes 2006
// Distributed under the Boost Software License, Version 1.0
// http://www.boost.org/LICENSE_1_0.txt
// Usage: enum foo { a=1, b=2, c=4 };
// BOOST_BITMASK( foo );
//
// void f( foo arg );
// ...
// f( a | c );
#ifndef BOOST_BITMASK_HPP
#define BOOST_BITMASK_HPP
#include <boost/cstdint.hpp>
#define BOOST_BITMASK(Bitmask) \
\
inline Bitmask operator| (Bitmask x , Bitmask y ) \
{ return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x) \
| static_cast<boost::int_least32_t>(y)); } \
\
inline Bitmask operator& (Bitmask x , Bitmask y ) \
{ return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x) \
& static_cast<boost::int_least32_t>(y)); } \
\
inline Bitmask operator^ (Bitmask x , Bitmask y ) \
{ return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x) \
^ static_cast<boost::int_least32_t>(y)); } \
\
inline Bitmask operator~ (Bitmask x ) \
{ return static_cast<Bitmask>(~static_cast<boost::int_least32_t>(x)); } \
\
inline Bitmask & operator&=(Bitmask & x , Bitmask y) \
{ x = x & y ; return x ; } \
\
inline Bitmask & operator|=(Bitmask & x , Bitmask y) \
{ x = x | y ; return x ; } \
\
inline Bitmask & operator^=(Bitmask & x , Bitmask y) \
{ x = x ^ y ; return x ; }
#endif // BOOST_BITMASK_HPP