139 lines
4.6 KiB
Plaintext
139 lines
4.6 KiB
Plaintext
/* Boost interval/compare/tribool.hpp template implementation file
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*
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* Copyright 2002-2003 Guillaume Melquiond
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*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or
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* copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef BOOST_NUMERIC_INTERVAL_COMPARE_TRIBOOL_HPP
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#define BOOST_NUMERIC_INTERVAL_COMPARE_TRIBOOL_HPP
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#include <boost/numeric/interval/detail/interval_prototype.hpp>
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#include <boost/numeric/interval/detail/test_input.hpp>
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#include <boost/logic/tribool.hpp>
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namespace boost {
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namespace numeric {
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namespace interval_lib {
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namespace compare {
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namespace tribool {
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template<class T, class Policies1, class Policies2> inline
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logic::tribool operator<(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.upper() < y.lower()) return true;
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if (x.lower() >= y.upper()) return false;
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return logic::indeterminate;
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}
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template<class T, class Policies> inline
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logic::tribool operator<(const interval<T, Policies>& x, const T& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.upper() < y) return true;
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if (x.lower() >= y) return false;
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return logic::indeterminate;
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}
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template<class T, class Policies1, class Policies2> inline
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logic::tribool operator<=(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.upper() <= y.lower()) return true;
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if (x.lower() > y.upper()) return false;
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return logic::indeterminate;
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}
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template<class T, class Policies> inline
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logic::tribool operator<=(const interval<T, Policies>& x, const T& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.upper() <= y) return true;
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if (x.lower() > y) return false;
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return logic::indeterminate;
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}
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template<class T, class Policies1, class Policies2> inline
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logic::tribool operator>(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.lower() > y.upper()) return true;
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if (x.upper() <= y.lower()) return false;
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return logic::indeterminate;
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}
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template<class T, class Policies> inline
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logic::tribool operator>(const interval<T, Policies>& x, const T& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.lower() > y) return true;
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if (x.upper() <= y) return false;
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return logic::indeterminate;
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}
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template<class T, class Policies1, class Policies2> inline
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logic::tribool operator>=(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.lower() >= y.upper()) return true;
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if (x.upper() < y.lower()) return false;
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return logic::indeterminate;
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}
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template<class T, class Policies> inline
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logic::tribool operator>=(const interval<T, Policies>& x, const T& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.lower() >= y) return true;
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if (x.upper() < y) return false;
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return logic::indeterminate;
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}
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template<class T, class Policies1, class Policies2> inline
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logic::tribool operator==(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.upper() == y.lower() && x.lower() == y.upper()) return true;
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if (x.upper() < y.lower() || x.lower() > y.upper()) return false;
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return logic::indeterminate;
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}
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template<class T, class Policies> inline
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logic::tribool operator==(const interval<T, Policies>& x, const T& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.upper() == y && x.lower() == y) return true;
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if (x.upper() < y || x.lower() > y) return false;
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return logic::indeterminate;
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}
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template<class T, class Policies1, class Policies2> inline
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logic::tribool operator!=(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.upper() < y.lower() || x.lower() > y.upper()) return true;
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if (x.upper() == y.lower() && x.lower() == y.upper()) return false;
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return logic::indeterminate;
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}
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template<class T, class Policies> inline
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logic::tribool operator!=(const interval<T, Policies>& x, const T& y)
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{
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if (detail::test_input(x, y)) throw comparison_error();
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if (x.upper() < y || x.lower() > y) return true;
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if (x.upper() == y && x.lower() == y) return false;
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return logic::indeterminate;
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}
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} // namespace tribool
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} // namespace compare
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} // namespace interval_lib
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} // namespace numeric
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} // namespace boost
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#endif // BOOST_NUMERIC_INTERVAL_COMPARE_TRIBOOL_HPP
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