PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // AddLayersNNet.h 00004 // 00005 // Copyright (C) 2004 Olivier Delalleau 00006 // 00007 // Redistribution and use in source and binary forms, with or without 00008 // modification, are permitted provided that the following conditions are met: 00009 // 00010 // 1. Redistributions of source code must retain the above copyright 00011 // notice, this list of conditions and the following disclaimer. 00012 // 00013 // 2. Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // 3. The name of the authors may not be used to endorse or promote 00018 // products derived from this software without specific prior written 00019 // permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00031 // 00032 // This file is part of the PLearn library. For more information on the PLearn 00033 // library, go to the PLearn Web site at www.plearn.org 00034 00035 /* ******************************************************* 00036 * $Id: AddLayersNNet.h 3994 2005-08-25 13:35:03Z chapados $ 00037 ******************************************************* */ 00038 00039 // Authors: Olivier Delalleau 00040 00044 #ifndef AddLayersNNet_INC 00045 #define AddLayersNNet_INC 00046 00047 #include "NNet.h" 00048 00049 namespace PLearn { 00050 using namespace std; 00051 00052 class AddLayersNNet: public NNet { 00053 00054 private: 00055 00056 typedef NNet inherited; 00057 00058 protected: 00059 00060 // ********************* 00061 // * protected options * 00062 // ********************* 00063 00064 // Fields below are not options. 00065 00068 TVec<int> real_parts_size; 00069 00071 VarArray hidden_layers; 00072 00074 VarArray hidden_weights; 00075 00076 public: 00077 00078 // ************************ 00079 // * public build options * 00080 // ************************ 00081 00082 TVec<int> add_hidden; 00083 string added_hidden_transfer_func; 00084 TVec<int> parts_size; 00085 00086 // **************** 00087 // * Constructors * 00088 // **************** 00089 00091 AddLayersNNet(); 00092 00093 // ******************** 00094 // * PLearner methods * 00095 // ******************** 00096 00097 private: 00098 00100 void build_(); 00101 00102 protected: 00103 00105 static void declareOptions(OptionList& ol); 00106 00107 public: 00108 00109 // ************************ 00110 // **** Object methods **** 00111 // ************************ 00112 00114 virtual void build(); 00115 00117 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00118 00119 // Declares other standard object methods. 00120 PLEARN_DECLARE_OBJECT(AddLayersNNet); 00121 00122 // ************************** 00123 // **** PLearner methods **** 00124 // ************************** 00125 00128 Vec getHiddenUnitsActivation(int layer); 00129 00132 Mat getHiddenWeights(int layer); 00133 00136 Mat getOutputHiddenWeights(int layer); 00137 00138 protected: 00139 00141 virtual void initializeParams(bool set_seed = true); 00142 virtual void buildPenalties(const Var& hidden_layer); 00143 00144 }; 00145 00146 // Declares a few other classes and functions related to this class. 00147 DECLARE_OBJECT_PTR(AddLayersNNet); 00148 00149 } // end of namespace PLearn 00150 00151 #endif 00152 00153 00154 /* 00155 Local Variables: 00156 mode:c++ 00157 c-basic-offset:4 00158 c-file-style:"stroustrup" 00159 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00160 indent-tabs-mode:nil 00161 fill-column:79 00162 End: 00163 */ 00164 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :