$extrastylesheet
Olena  User documentation 2.1
An Image Processing Platform
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends Groups Pages
compare.hh
1 // Copyright (C) 2007, 2009, 2012 EPITA Research and Development
2 // Laboratory (LRDE)
3 //
4 // This file is part of Olena.
5 //
6 // Olena is free software: you can redistribute it and/or modify it under
7 // the terms of the GNU General Public License as published by the Free
8 // Software Foundation, version 2 of the License.
9 //
10 // Olena is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
17 //
18 // As a special exception, you may use this file as part of a free
19 // software project without restriction. Specifically, if other files
20 // instantiate templates or use macros or inline functions from this
21 // file, or you compile this file and link it with other files to produce
22 // an executable, this file does not by itself cause the resulting
23 // executable to be covered by the GNU General Public License. This
24 // exception does not however invalidate any other reasons why the
25 // executable file might be covered by the GNU General Public License.
26 
27 #ifndef MLN_DATA_COMPARE_HH
28 # define MLN_DATA_COMPARE_HH
29 
33 
34 # include <mln/core/concept/image.hh>
35 # include <mln/fun/vv2b/eq.hh>
36 # include <mln/fun/vv2b/le.hh>
37 # include <mln/fun/vv2b/lt.hh>
38 # include <mln/test/predicate.hh>
39 
40 
41 namespace mln
42 {
43 
54  template <typename L, typename R>
55  bool operator == (const Image<L>& lhs, const Image<R>& rhs);
56 
57 
68  template <typename L, typename R>
69  bool operator < (const Image<L>& lhs, const Image<R>& rhs);
70 
71 
82  template <typename L, typename R> // required!
83  bool operator <= (const Image<L>& lhs, const Image<R>& rhs);
84 
85 
86 
87 # ifndef MLN_INCLUDE_ONLY
88 
89 
90  template <typename L, typename R>
91  inline
92  bool operator == (const Image<L>& lhs_, const Image<R>& rhs_)
93  {
94  mln_trace("data::compare (==)");
95 
96  const L& lhs = exact(lhs_);
97  const R& rhs = exact(rhs_);
98 
99  mln_precondition(lhs.is_valid());
100  mln_precondition(rhs.is_valid());
101  mln_precondition(lhs.domain() == rhs.domain());
102 
103  typedef fun::vv2b::eq<mln_value(L), mln_value(R)> F;
104  bool res = test::predicate(lhs, rhs, F());
105 
106  return res;
107  }
108 
109 
110  template <typename L, typename R>
111  inline
112  bool operator < (const Image<L>& lhs_, const Image<R>& rhs_)
113  {
114  mln_trace("data::compare (<)");
115 
116  const L& lhs = exact(lhs_);
117  const R& rhs = exact(rhs_);
118 
119  mln_precondition(lhs.domain() == rhs.domain());
120 
121  typedef fun::vv2b::lt<mln_value(L), mln_value(R)> F;
122  bool res = test::predicate(lhs_, rhs_, F());
123 
124  return res;
125  }
126 
127 
128  template <typename L, typename R> // required!
129  inline
130  bool operator <= (const Image<L>& lhs_, const Image<R>& rhs_)
131  {
132  mln_trace("data::compare (<=)");
133 
134  const L& lhs = exact(lhs_);
135  const R& rhs = exact(rhs_);
136 
137  mln_precondition(lhs.domain() == rhs.domain());
138 
139  typedef fun::vv2b::le<mln_value(L), mln_value(R)> F;
140  bool res = test::predicate(lhs_, rhs_, F());
141 
142  return res;
143  }
144 
145 # endif // ! MLN_INCLUDE_ONLY
146 
147 } // end of namespace mln
148 
149 
150 #endif // ! MLN_DATA_COMPARE_HH