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81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
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/*-----------------------------------------------------------------------------+
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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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