annotate DEPENDENCIES/generic/include/boost/detail/bitmask.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents 2665513ce2d3
children
rev   line source
Chris@16 1 // boost/detail/bitmask.hpp ------------------------------------------------//
Chris@16 2
Chris@16 3 // Copyright Beman Dawes 2006
Chris@16 4
Chris@16 5 // Distributed under the Boost Software License, Version 1.0
Chris@16 6 // http://www.boost.org/LICENSE_1_0.txt
Chris@16 7
Chris@16 8 // Usage: enum foo { a=1, b=2, c=4 };
Chris@16 9 // BOOST_BITMASK( foo );
Chris@16 10 //
Chris@16 11 // void f( foo arg );
Chris@16 12 // ...
Chris@16 13 // f( a | c );
Chris@16 14
Chris@16 15 #ifndef BOOST_BITMASK_HPP
Chris@16 16 #define BOOST_BITMASK_HPP
Chris@16 17
Chris@16 18 #include <boost/cstdint.hpp>
Chris@16 19
Chris@16 20 #define BOOST_BITMASK(Bitmask) \
Chris@16 21 \
Chris@16 22 inline Bitmask operator| (Bitmask x , Bitmask y ) \
Chris@16 23 { return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x) \
Chris@16 24 | static_cast<boost::int_least32_t>(y)); } \
Chris@16 25 \
Chris@16 26 inline Bitmask operator& (Bitmask x , Bitmask y ) \
Chris@16 27 { return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x) \
Chris@16 28 & static_cast<boost::int_least32_t>(y)); } \
Chris@16 29 \
Chris@16 30 inline Bitmask operator^ (Bitmask x , Bitmask y ) \
Chris@16 31 { return static_cast<Bitmask>( static_cast<boost::int_least32_t>(x) \
Chris@16 32 ^ static_cast<boost::int_least32_t>(y)); } \
Chris@16 33 \
Chris@16 34 inline Bitmask operator~ (Bitmask x ) \
Chris@16 35 { return static_cast<Bitmask>(~static_cast<boost::int_least32_t>(x)); } \
Chris@16 36 \
Chris@16 37 inline Bitmask & operator&=(Bitmask & x , Bitmask y) \
Chris@16 38 { x = x & y ; return x ; } \
Chris@16 39 \
Chris@16 40 inline Bitmask & operator|=(Bitmask & x , Bitmask y) \
Chris@16 41 { x = x | y ; return x ; } \
Chris@16 42 \
Chris@16 43 inline Bitmask & operator^=(Bitmask & x , Bitmask y) \
Chris@16 44 { x = x ^ y ; return x ; }
Chris@16 45
Chris@16 46 #endif // BOOST_BITMASK_HPP
Chris@16 47