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_MAKE_W_WINDOW_DIRECTIONAL_HH 00027 # define MLN_MAKE_W_WINDOW_DIRECTIONAL_HH 00028 00032 00033 # include <mln/core/w_window.hh> 00034 # include <mln/core/concept/gdpoint.hh> 00035 # include <mln/literal/zero.hh> 00036 00037 00038 namespace mln 00039 { 00040 00041 namespace make 00042 { 00043 00051 template <typename D, typename W, unsigned L> 00052 mln::w_window<D,W> 00053 w_window_directional(const Gdpoint<D>& dp, W (&weights)[L]); 00054 00055 00056 # ifndef MLN_INCLUDE_ONLY 00057 00058 template <typename D, typename W, unsigned L> 00059 inline 00060 mln::w_window<D,W> 00061 w_window_directional(const Gdpoint<D>& dp_, W (&weights)[L]) 00062 { 00063 mlc_bool(L % 2 == 1)::check(); 00064 int half = L / 2; 00065 00066 const D& dp = exact(dp_); 00067 D zero = literal::zero; 00068 mln_precondition(dp != zero); 00069 00070 mln::w_window<D,W> w_win; 00071 for (int i = - half; i <= half; ++i) 00072 if (weights[half + i] != 0) 00073 w_win.insert(weights[half + i], zero + dp * i); 00074 return w_win; 00075 } 00076 00077 # endif // ! MLN_INCLUDE_ONLY 00078 00079 } // end of namespace mln::make 00080 00081 } // end of namespace mln 00082 00083 00084 #endif // ! MLN_MAKE_W_WINDOW_DIRECTIONAL_HH