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