Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00026 #ifndef MLN_MORPHO_ELEMENTARY_LAPLACIAN_HH 00027 # define MLN_MORPHO_ELEMENTARY_LAPLACIAN_HH 00028 00034 00035 # include <mln/morpho/elementary/gradient_internal.hh> 00036 # include <mln/morpho/elementary/gradient_external.hh> 00037 00038 00039 namespace mln 00040 { 00041 00042 namespace morpho 00043 { 00044 00045 namespace elementary 00046 { 00047 00051 template <typename I, typename N> 00052 mln_trait_op_minus_twice(mln_concrete(I)) 00053 laplacian(const Image<I>& input, const Neighborhood<N>& nbh); 00054 00055 00056 # ifndef MLN_INCLUDE_ONLY 00057 00058 template <typename I, typename N> 00059 inline 00060 mln_trait_op_minus_twice(mln_concrete(I)) 00061 laplacian(const Image<I>& input, const Neighborhood<N>& nbh) 00062 { 00063 trace::entering("morpho::elementary::laplacian"); 00064 00065 mln_precondition(exact(input).is_valid()); 00066 mln_precondition(exact(nbh).is_valid()); 00067 00068 mln_trait_op_minus_twice(mln_concrete(I)) output; 00069 output = gradient_external(input, nbh) - gradient_internal(input, nbh); 00070 00071 trace::exiting("morpho::elementary::laplacian"); 00072 return output; 00073 } 00074 00075 # endif // ! MLN_INCLUDE_ONLY 00076 00077 } // end of namespace mln::morpho::elementary 00078 00079 } // end of namespace mln::morpho 00080 00081 } // end of namespace mln 00082 00083 00084 #endif // ! MLN_MORPHO_ELEMENTARY_LAPLACIAN_HH