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Olena  User documentation 2.1
An Image Processing Platform
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count.cc
1 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE)
2 //
3 // This file is part of Olena.
4 //
5 // Olena is free software: you can redistribute it and/or modify it under
6 // the terms of the GNU General Public License as published by the Free
7 // Software Foundation, version 2 of the License.
8 //
9 // Olena is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // General Public License for more details.
13 //
14 // You should have received a copy of the GNU General Public License
15 // along with Olena. If not, see <http://www.gnu.org/licenses/>.
16 //
17 // As a special exception, you may use this file as part of a free
18 // software project without restriction. Specifically, if other files
19 // instantiate templates or use macros or inline functions from this
20 // file, or you compile this file and link it with other files to produce
21 // an executable, this file does not by itself cause the resulting
22 // executable to be covered by the GNU General Public License. This
23 // exception does not however invalidate any other reasons why the
24 // executable file might be covered by the GNU General Public License.
25 
26 #include <mln/accu/math/count.hh>
27 
28 
29 struct toto {};
30 
31 
32 int main()
33 {
34  using namespace mln;
35 
36  {
37  // The code below do not compile, as expected :-)
38  // accu::math::count<int> a;
39  // a.take_as_init(toto());
40  }
41  {
43  mln_assertion(a.to_result() == 0);
44  }
45  {
47  for (int i = 0; i < 200; i++)
48  a.take(i);
49  mln_assertion(a.to_result() == 200);
50  }
51  {
53  a.take_as_init(1);
54  mln_assertion(a == 1u);
55  a.take(2);
56  mln_assertion(a == 2u);
57 
58  a_.take_as_init(a);
59  mln_assertion(a_ == 2u);
60  }
61 }