Chris@16: /* Boost interval/compare/explicit.hpp template implementation file
Chris@16:  *
Chris@16:  * Copyright 2000 Jens Maurer
Chris@16:  * Copyright 2002 Hervé Brönnimann, Guillaume Melquiond, Sylvain Pion
Chris@16:  *
Chris@16:  * Distributed under the Boost Software License, Version 1.0.
Chris@16:  * (See accompanying file LICENSE_1_0.txt or
Chris@16:  * copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16:  */
Chris@16: 
Chris@16: #ifndef BOOST_NUMERIC_INTERVAL_COMPARE_EXPLICIT_HPP
Chris@16: #define BOOST_NUMERIC_INTERVAL_COMPARE_EXPLICIT_HPP
Chris@16: 
Chris@16: #include <boost/numeric/interval/detail/interval_prototype.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace numeric {
Chris@16: namespace interval_lib {
Chris@16: 
Chris@16: /*
Chris@16:  * Certainly... operations
Chris@16:  */
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool cerlt(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.upper() < y.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cerlt(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.upper() < y;
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cerlt(const T& x, const interval<T, Policies>& y)
Chris@16: {
Chris@16:   return x < y.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool cerle(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.upper() <= y.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cerle(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.upper() <= y;
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cerle(const T& x, const interval<T, Policies>& y)
Chris@16: {
Chris@16:   return x <= y.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool cergt(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.lower() > y.upper();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cergt(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.lower() > y;
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cergt(const T& x, const interval<T, Policies>& y)
Chris@16: {
Chris@16:   return x > y.upper();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool cerge(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.lower() >= y.upper();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cerge(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.lower() >= y;
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cerge(const T& x, const interval<T, Policies>& y)
Chris@16: {
Chris@16:   return x >= y.upper();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool cereq(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.lower() == y.upper() && y.lower() == x.upper();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cereq(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.lower() == y && x.upper() == y;
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cereq(const T& x, const interval<T, Policies>& y)
Chris@16: {
Chris@16:   return x == y.lower() && x == y.upper();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool cerne(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.upper() < y.lower() || y.upper() < x.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cerne(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.upper() < y || y < x.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool cerne(const T& x, const interval<T, Policies>& y)
Chris@16: {
Chris@16:   return x < y.lower() || y.upper() < x;
Chris@16: }
Chris@16: 
Chris@16: /*
Chris@16:  * Possibly... comparisons
Chris@16:  */
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool poslt(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.lower() < y.upper();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool poslt(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.lower() < y;
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool poslt(const T& x, const interval<T, Policies>& y)
Chris@16: {
Chris@16:   return x < y.upper();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool posle(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.lower() <= y.upper();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool posle(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.lower() <= y;
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool posle(const T& x, const interval<T, Policies>& y)
Chris@16: {
Chris@16:   return x <= y.upper();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool posgt(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.upper() > y.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool posgt(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.upper() > y;
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool posgt(const T& x, const interval<T, Policies> & y)
Chris@16: {
Chris@16:   return x > y.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool posge(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.upper() >= y.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool posge(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.upper() >= y;
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool posge(const T& x, const interval<T, Policies>& y)
Chris@16: {
Chris@16:   return x >= y.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool poseq(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.upper() >= y.lower() && y.upper() >= x.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool poseq(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.upper() >= y && y >= x.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool poseq(const T& x, const interval<T, Policies>& y)
Chris@16: {
Chris@16:   return x >= y.lower() && y.upper() >= x;
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies1, class Policies2> inline
Chris@16: bool posne(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
Chris@16: {
Chris@16:   return x.upper() != y.lower() || y.upper() != x.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool posne(const interval<T, Policies>& x, const T& y)
Chris@16: {
Chris@16:   return x.upper() != y || y != x.lower();
Chris@16: }
Chris@16: 
Chris@16: template<class T, class Policies> inline
Chris@16: bool posne(const T& x, const interval<T, Policies>& y)
Chris@16: {
Chris@16:   return x != y.lower() || y.upper() != x;
Chris@16: }
Chris@16: 
Chris@16: } // namespace interval_lib
Chris@16: } // namespace numeric
Chris@16: } //namespace boost
Chris@16: 
Chris@16: #endif // BOOST_NUMERIC_INTERVAL_COMPARE_EXPLICIT_HPP