Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2008, 2009 EPITA Research and Development Laboratory 00002 // (LRDE) 00003 // 00004 // This file is part of Olena. 00005 // 00006 // Olena is free software: you can redistribute it and/or modify it under 00007 // the terms of the GNU General Public License as published by the Free 00008 // Software Foundation, version 2 of the License. 00009 // 00010 // Olena is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 // General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00017 // 00018 // As a special exception, you may use this file as part of a free 00019 // software project without restriction. Specifically, if other files 00020 // instantiate templates or use macros or inline functions from this 00021 // file, or you compile this file and link it with other files to produce 00022 // an executable, this file does not by itself cause the resulting 00023 // executable to be covered by the GNU General Public License. This 00024 // exception does not however invalidate any other reasons why the 00025 // executable file might be covered by the GNU General Public License. 00026 00027 #ifndef MLN_LINEAR_CH_CONVOLVE_HH 00028 # define MLN_LINEAR_CH_CONVOLVE_HH 00029 00033 00034 # include <mln/core/concept/image.hh> 00035 # include <mln/core/concept/window.hh> 00036 # include <mln/core/concept/weighted_window.hh> 00037 # include <mln/trait/ch_value.hh> 00038 # include <mln/value/ops.hh> 00039 00040 # include <mln/algebra/vec.hh> 00041 00042 00045 # define mln_ch_convolve(I, W) \ 00046 typename mln::linear::ch_convolve<I, W>::ret 00047 00048 # define mln_ch_convolve_(I, W) \ 00049 mln::linear::ch_convolve<I, W>::ret 00050 00051 00052 # define mln_ch_convolve_grad(I, W) \ 00053 typename mln::trait::ch_value< I, algebra::vec< I::site::dim, typename mln::linear::ch_convolve<I,W>::ret::value > >::ret 00054 00055 # define mln_ch_convolve_grad_(I, W) \ 00056 mln::trait::ch_value< I, algebra::vec< I::site::dim, mln::linear::ch_convolve<I,W>::ret::value > >::ret 00057 00058 00059 namespace mln 00060 { 00061 00062 namespace linear 00063 { 00064 00065 namespace internal 00066 { 00067 00068 template <bool b, /* = true, i.e., W is a Weighted_Window */ 00069 typename I, typename W> 00070 struct ch_convolve_helper 00071 { 00072 typedef mln_sum_product(mln_value(I), mln_weight(W)) V; 00073 typedef mln_ch_value(I, V) ret; 00074 }; 00075 00076 template <typename I, typename W> 00077 struct ch_convolve_helper<false, I, W> 00078 { 00079 typedef mln_sum_product(mln_value(I), W) V; 00080 typedef mln_ch_value(I, V) ret; 00081 }; 00082 00083 } // end of namespace mln::linear::internal 00084 00085 00086 template <typename I, typename W> 00087 struct ch_convolve 00088 : private mlc_and( mlc_is_a(I, Image), 00089 mlc_is_not_a(W, Window) )::check_t 00090 { 00091 protected: 00092 enum { is_w_win = mlc_is_a(W, Weighted_Window)::value }; 00093 typedef internal::ch_convolve_helper<is_w_win, I, W> helper; 00094 public: 00095 typedef mlc_ret(helper) ret; 00096 }; 00097 00098 } // end of namespace mln::linear 00099 00100 } // end of namespace mln 00101 00102 00103 #endif // ! MLN_LINEAR_CH_CONVOLVE_HH