Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2008, 2009, 2010 EPITA Research and Development 00002 // Laboratory (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_SET_COMPUTE_WITH_WEIGHTS_HH 00028 # define MLN_SET_COMPUTE_WITH_WEIGHTS_HH 00029 00035 00036 # include <mln/core/concept/meta_accumulator.hh> 00037 # include <mln/core/concept/image.hh> 00038 # include <mln/core/concept/site_set.hh> 00039 # include <mln/util/array.hh> 00040 # include <mln/convert/from_to.hh> 00041 # include <mln/value/next.hh> 00042 00043 00044 namespace mln 00045 { 00046 00047 namespace set 00048 { 00049 00055 // 00056 template <typename A, typename I> 00057 mln_result(A) 00058 compute_with_weights(const Accumulator<A>& a, const Image<I>& w); 00059 00060 00069 // 00070 template <typename A, typename I, typename L> 00071 util::array<mln_result(A)> 00072 compute_with_weights(const Accumulator<A>& a, 00073 const Image<I>& w, 00074 const Image<L>& label, 00075 const mln_value(L)& nlabels); 00076 00077 00083 // 00084 template <typename A, typename I> 00085 mln_meta_accu_result(A, mln_site(I)) 00086 compute_with_weights(const Meta_Accumulator<A>& a, const Image<I>& w); 00087 00088 00089 00090 # ifndef MLN_INCLUDE_ONLY 00091 00092 00093 // Tests. 00094 00095 00096 namespace internal 00097 { 00098 00099 template <typename A, typename I, typename L> 00100 void 00101 compute_with_weights_tests(const Accumulator<A>& a_, 00102 const Image<I>& w_, 00103 const Image<L>& label_) 00104 { 00105 const A& a = exact(a_); 00106 const I& w = exact(w_); 00107 const L& label = exact(label_); 00108 00109 mln_precondition(w.is_valid()); 00110 mln_precondition(label.is_valid()); 00111 mln_precondition(w.domain() <= label.domain()); 00112 00113 (void) a; 00114 (void) w; 00115 (void) label; 00116 } 00117 00118 } // end of namespace mln::internal 00119 00120 00121 00122 // Implementations. 00123 00124 00125 namespace impl 00126 { 00127 00128 namespace generic 00129 { 00130 00138 // 00139 template <typename A, typename I> 00140 inline 00141 mln_result(A) 00142 compute_with_weights(const Accumulator<A>& a_, const Image<I>& w_) 00143 { 00144 trace::entering("set::impl::generic::compute_with_weights"); 00145 00146 mlc_converts_to(mln_site(I), mln_argument(A))::check(); 00147 mlc_converts_to(mln_value(I), unsigned)::check(); 00148 00149 A a = exact(a_); 00150 const I& w = exact(w_); 00151 00152 a.init(); 00153 mln_piter(I) p(w.domain()); 00154 for_all(p) 00155 a.take_n_times(w(p), p); 00156 00157 trace::exiting("set::impl::generic::compute_with_weights"); 00158 return a.to_result(); 00159 } 00160 00161 00162 00172 // 00173 template <typename A, typename I, typename L> 00174 util::array<mln_result(A)> 00175 compute_with_weights(const Accumulator<A>& a_, 00176 const Image<I>& w_, 00177 const Image<L>& label_, 00178 const mln_value(L)& nlabels) 00179 { 00180 trace::entering("set::impl::generic::compute_with_weights"); 00181 00182 mlc_equal(mln_site(I), mln_site(L))::check(); 00183 mlc_converts_to(mln_site(I), mln_argument(A))::check(); 00184 mlc_converts_to(mln_value(I), unsigned)::check(); 00185 00186 A a = exact(a_); 00187 const I& w = exact(w_); 00188 const L& label = exact(label_); 00189 00190 internal::compute_with_weights_tests(a, w, label); 00191 00192 util::array<A> accus(value::next(nlabels), a); 00193 00194 mln_piter(I) p(w.domain()); 00195 for_all(p) 00196 accus[label(p)].take_n_times(w(p), p); 00197 00198 util::array<mln_result(A)> r; 00199 convert::from_to(accus, r); 00200 00201 trace::exiting("set::impl::generic::compute_with_weights"); 00202 return r; 00203 } 00204 00205 } // end of namespace mln::set::impl::generic 00206 00207 } // end of namespace mln::set::impl 00208 00209 00210 00211 // Facades. 00212 00213 00214 template <typename A, typename I> 00215 inline 00216 mln_result(A) 00217 compute_with_weights(const Accumulator<A>& a, const Image<I>& w) 00218 { 00219 trace::entering("set::compute_with_weights"); 00220 00221 mlc_converts_to(mln_site(I), mln_argument(A))::check(); 00222 mlc_converts_to(mln_value(I), unsigned)::check(); 00223 mln_precondition(exact(w).is_valid()); 00224 00225 mln_result(A) r = impl::generic::compute_with_weights(a, w); 00226 00227 trace::exiting("set::compute_with_weights"); 00228 return r; 00229 } 00230 00231 00232 template <typename A, typename I, typename L> 00233 util::array<mln_result(A)> 00234 compute_with_weights(const Accumulator<A>& a, 00235 const Image<I>& w, 00236 const Image<L>& label, 00237 const mln_value(L)& nlabels) 00238 { 00239 trace::entering("set::compute_with_weights"); 00240 00241 mlc_equal(mln_site(I), mln_site(L))::check(); 00242 mlc_converts_to(mln_site(I), mln_argument(A))::check(); 00243 mlc_converts_to(mln_value(I), unsigned)::check(); 00244 00245 internal::compute_with_weights_tests(a, w, label); 00246 00247 util::array<mln_result(A)> r; 00248 r = impl::generic::compute_with_weights(a, w, label, nlabels); 00249 00250 trace::exiting("set::compute_with_weights"); 00251 return r; 00252 } 00253 00254 00255 template <typename A, typename I> 00256 inline 00257 mln_meta_accu_result(A, mln_site(I)) 00258 compute_with_weights(const Meta_Accumulator<A>& a, const Image<I>& w) 00259 { 00260 trace::entering("set::compute_with_weights"); 00261 00262 mlc_converts_to(mln_value(I), unsigned)::check(); 00263 00264 mln_precondition(exact(w).is_valid()); 00265 00266 typedef mln_site(I) P; 00267 typedef mln_accu_with(A, P) A_; 00268 A_ a_ = accu::unmeta(exact(a), P()); 00269 00270 mln_result(A_) r = impl::generic::compute_with_weights(a_, w); 00271 00272 trace::exiting("set::compute_with_weights"); 00273 return r; 00274 } 00275 00276 # endif // ! MLN_INCLUDE_ONLY 00277 00278 } // end of namespace mln::set 00279 00280 } // end of namespace mln 00281 00282 00283 #endif // ! MLN_SET_COMPUTE_WITH_WEIGHTS_HH