| /* 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 |