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80 lines
2.8 KiB
80 lines
2.8 KiB
/*-----------------------------------------------------------------------------+ |
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Copyright (c) 2010-2010: Joachim Faulhaber |
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+------------------------------------------------------------------------------+ |
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Distributed under the Boost Software License, Version 1.0. |
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(See accompanying file LICENCE.txt or copy at |
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http://www.boost.org/LICENSE_1_0.txt) |
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+-----------------------------------------------------------------------------*/ |
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#ifndef BOOST_ICL_INTERVAL_BOUNDS_HPP_JOFA_100330 |
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#define BOOST_ICL_INTERVAL_BOUNDS_HPP_JOFA_100330 |
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#include <boost/utility/enable_if.hpp> |
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#include <boost/icl/detail/design_config.hpp> |
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namespace boost{namespace icl |
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{ |
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typedef unsigned char bound_type; |
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class interval_bounds |
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{ |
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public: |
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BOOST_STATIC_CONSTANT(bound_type, static_open = 0); |
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BOOST_STATIC_CONSTANT(bound_type, static_left_open = 1); |
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BOOST_STATIC_CONSTANT(bound_type, static_right_open = 2); |
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BOOST_STATIC_CONSTANT(bound_type, static_closed = 3); |
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BOOST_STATIC_CONSTANT(bound_type, dynamic = 4); |
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BOOST_STATIC_CONSTANT(bound_type, undefined = 5); |
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BOOST_STATIC_CONSTANT(bound_type, _open = 0); |
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BOOST_STATIC_CONSTANT(bound_type, _left_open = 1); |
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BOOST_STATIC_CONSTANT(bound_type, _right_open = 2); |
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BOOST_STATIC_CONSTANT(bound_type, _closed = 3); |
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BOOST_STATIC_CONSTANT(bound_type, _right = 1); |
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BOOST_STATIC_CONSTANT(bound_type, _left = 2); |
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BOOST_STATIC_CONSTANT(bound_type, _all = 3); |
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public: |
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interval_bounds():_bits(){} |
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explicit interval_bounds(bound_type bounds): _bits(bounds){} |
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interval_bounds all ()const { return interval_bounds(_bits & _all ); } |
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interval_bounds left ()const { return interval_bounds(_bits & _left ); } |
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interval_bounds right()const { return interval_bounds(_bits & _right); } |
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interval_bounds reverse_left ()const { return interval_bounds((~_bits>>1) & _right); } |
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interval_bounds reverse_right()const { return interval_bounds((~_bits<<1) & _left ); } |
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bound_type bits()const{ return _bits; } |
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static interval_bounds open() { return interval_bounds(_open); } |
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static interval_bounds left_open() { return interval_bounds(_left_open); } |
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static interval_bounds right_open(){ return interval_bounds(_right_open);} |
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static interval_bounds closed() { return interval_bounds(_closed); } |
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public: |
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bound_type _bits; |
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}; |
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template<class DomainT> |
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class bounded_value |
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{ |
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public: |
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typedef DomainT domain_type; |
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typedef bounded_value<DomainT> type; |
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public: |
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bounded_value(const domain_type& value, interval_bounds bound) |
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: _value(value), _bound(bound) {} |
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domain_type value()const { return _value; } |
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interval_bounds bound()const { return _bound; } |
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private: |
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domain_type _value; |
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interval_bounds _bound; |
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}; |
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}} // namespace icl boost |
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#endif |
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