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Olena  User documentation 2.1
An Image Processing Platform
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minus.cc
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2 // Laboratory (LRDE).
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8 // Software Foundation, version 2 of the License.
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20 // instantiate templates or use macros or inline functions from this
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25 // executable file might be covered by the GNU General Public License.
26 
27 #include <mln/core/image/image2d.hh>
28 
29 #include <mln/arith/minus.hh>
30 
31 #include <mln/debug/iota.hh>
32 #include <mln/data/compare.hh>
33 
34 
35 int main()
36 {
37  using namespace mln;
38 
39  image2d<int> ima(3,3);
40  debug::iota(ima);
41 
42  // Exercise unary minus.
43  {
44  int vs[3][3] = {
45  {-1, -2, -3},
46  {-4, -5, -6},
47  {-7, -8, -9}
48  };
49  image2d<int> ref(make::image(vs));
50  mln_assertion(-ima == ref);
51  }
52 
53  // Exercise binary minus.
54  {
55  int vs[3][3] = {
56  {0, 1, 2},
57  {3, 4, 5},
58  {6, 7, 8}
59  };
60  image2d<int> ref(make::image(vs));
61  mln_assertion(ima - 1 == ref);
62  }
63 }