1 /* Boost interval/compare/certain.hpp template implementation file
2  *
3  * Copyright 2003 Guillaume Melquiond
4  *
5  * Distributed under the Boost Software License, Version 1.0.
6  * (See accompanying file LICENSE_1_0.txt or
7  * copy at http://www.boost.org/LICENSE_1_0.txt)
8  */
9 
10 #ifndef BOOST_NUMERIC_INTERVAL_COMPARE_CERTAIN_HPP
11 #define BOOST_NUMERIC_INTERVAL_COMPARE_CERTAIN_HPP
12 
13 #include <boost/numeric/interval/detail/interval_prototype.hpp>
14 #include <boost/numeric/interval/detail/test_input.hpp>
15 
16 namespace boost {
17 namespace numeric {
18 namespace interval_lib {
19 namespace compare {
20 namespace certain {
21 
22 template<class T, class Policies1, class Policies2> inline
operator <(const interval<T,Policies1> & x,const interval<T,Policies2> & y)23 bool operator<(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
24 {
25   if (detail::test_input(x, y)) throw comparison_error();
26   return x.upper() < y.lower();
27 }
28 
29 template<class T, class Policies> inline
operator <(const interval<T,Policies> & x,const T & y)30 bool operator<(const interval<T, Policies>& x, const T& y)
31 {
32   if (detail::test_input(x, y)) throw comparison_error();
33   return x.upper() < y;
34 }
35 
36 template<class T, class Policies1, class Policies2> inline
operator <=(const interval<T,Policies1> & x,const interval<T,Policies2> & y)37 bool operator<=(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
38 {
39   if (detail::test_input(x, y)) throw comparison_error();
40   return x.upper() <= y.lower();
41 }
42 
43 template<class T, class Policies> inline
operator <=(const interval<T,Policies> & x,const T & y)44 bool operator<=(const interval<T, Policies>& x, const T& y)
45 {
46   if (detail::test_input(x, y)) throw comparison_error();
47   return x.upper() <= y;
48 }
49 
50 template<class T, class Policies1, class Policies2> inline
operator >(const interval<T,Policies1> & x,const interval<T,Policies2> & y)51 bool operator>(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
52 {
53   if (detail::test_input(x, y)) throw comparison_error();
54   return x.lower() > y.upper();
55 }
56 
57 template<class T, class Policies> inline
operator >(const interval<T,Policies> & x,const T & y)58 bool operator>(const interval<T, Policies>& x, const T& y)
59 {
60   if (detail::test_input(x, y)) throw comparison_error();
61   return x.lower() > y;
62 }
63 
64 template<class T, class Policies1, class Policies2> inline
operator >=(const interval<T,Policies1> & x,const interval<T,Policies2> & y)65 bool operator>=(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
66 {
67   if (detail::test_input(x, y)) throw comparison_error();
68   return x.lower() >= y.upper();
69 }
70 
71 template<class T, class Policies> inline
operator >=(const interval<T,Policies> & x,const T & y)72 bool operator>=(const interval<T, Policies>& x, const T& y)
73 {
74   if (detail::test_input(x, y)) throw comparison_error();
75   return x.lower() >= y;
76 }
77 
78 template<class T, class Policies1, class Policies2> inline
operator ==(const interval<T,Policies1> & x,const interval<T,Policies2> & y)79 bool operator==(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
80 {
81   if (detail::test_input(x, y)) throw comparison_error();
82   return x.upper() == y.lower() && x.lower() == y.upper();
83 }
84 
85 template<class T, class Policies> inline
operator ==(const interval<T,Policies> & x,const T & y)86 bool operator==(const interval<T, Policies>& x, const T& y)
87 {
88   if (detail::test_input(x, y)) throw comparison_error();
89   return x.upper() == y && x.lower() == y;
90 }
91 
92 template<class T, class Policies1, class Policies2> inline
operator !=(const interval<T,Policies1> & x,const interval<T,Policies2> & y)93 bool operator!=(const interval<T, Policies1>& x, const interval<T, Policies2>& y)
94 {
95   if (detail::test_input(x, y)) throw comparison_error();
96   return x.upper() < y.lower() || x.lower() > y.upper();
97 }
98 
99 template<class T, class Policies> inline
operator !=(const interval<T,Policies> & x,const T & y)100 bool operator!=(const interval<T, Policies>& x, const T& y)
101 {
102   if (detail::test_input(x, y)) throw comparison_error();
103   return x.upper() < y || x.lower() > y;
104 }
105 
106 } // namespace certain
107 } // namespace compare
108 } // namespace interval_lib
109 } // namespace numeric
110 } // namespace boost
111 
112 
113 #endif // BOOST_NUMERIC_INTERVAL_COMPARE_CERTAIN_HPP
114