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make/mat.hh
1 // Copyright (C) 2006, 2007, 2008, 2009 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 //
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12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // General Public License for more details.
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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
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26 
27 #ifndef MLN_MAKE_MAT_HH
28 # define MLN_MAKE_MAT_HH
29 
33 
34 
35 # include <mln/algebra/mat.hh>
36 # include <mln/metal/math/sqrt.hh>
37 
38 
39 namespace mln
40 {
41 
42  namespace make
43  {
44 
51  template <unsigned n, unsigned m, typename T>
52  algebra::mat<n,m,T> mat(const T (&tab)[n*m]);
53 
54 
55 
56 # ifndef MLN_INCLUDE_ONLY
57 
58 
59  template <unsigned n, unsigned m, typename T>
60  inline
61  algebra::mat<n,m,T> mat(const T (&tab)[n*m])
62  {
63  algebra::mat<n,m,T> tmp;
64  for (unsigned i = 0; i < n*m; ++i)
65  tmp(i / m, i % m) = tab[i];
66  return tmp;
67  }
68 
69 
70 # endif // ! MLN_INCLUDE_ONLY
71 
72  } // end of namespace mln::make
73 
74 } // end of namespace mln
75 
76 #endif // ! MLN_MAKE_MAT_HH