PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // RBMJointLLParameters.h 00004 // 00005 // Copyright (C) 2006 Pascal Lamblin 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 // Authors: Pascal Lamblin 00036 00040 #ifndef RBMJointLLParameters_INC 00041 #define RBMJointLLParameters_INC 00042 00043 #include "RBMLLParameters.h" 00044 00045 namespace PLearn { 00046 using namespace std; 00047 00048 //class RBMLayer; 00049 00056 class RBMJointLLParameters: public RBMLLParameters 00057 { 00058 typedef RBMLLParameters inherited; 00059 00060 public: 00061 //##### Public Build Options ############################################ 00062 00064 PP<RBMLLParameters> target_params; 00065 00067 PP<RBMLLParameters> cond_params; 00068 00069 00070 public: 00071 //##### Public Member Functions ######################################### 00072 00074 RBMJointLLParameters( real the_learning_rate=0 ); 00075 00077 RBMJointLLParameters( PP<RBMLLParameters>& the_target_params, 00078 PP<RBMLLParameters>& the_cond_params, 00079 real the_learning_rate=0 ); 00080 00081 // Your other public member functions go here 00082 00084 virtual void setAsUpInput( const Vec& input ) const; 00085 00087 virtual void setAsDownInput( const Vec& input ) const; 00088 00090 virtual void setAsCondInput( const Vec& input ) const; 00091 00095 virtual void computeUnitActivations( int start, int length, 00096 const Vec& activations ) const; 00097 00099 virtual void fprop(const Vec& input, Vec& output) const; 00100 00111 // virtual void bpropUpdate(const Vec& input, const Vec& output, 00112 // const Vec& output_gradient); 00113 00116 virtual void bpropUpdate(const Vec& input, const Vec& output, 00117 Vec& input_gradient, 00118 const Vec& output_gradient); 00119 00123 virtual void forget(); 00124 00129 // virtual void finalize(); 00130 00131 00132 //##### PLearn::Object Protocol ######################################### 00133 00134 // Declares other standard object methods. 00135 PLEARN_DECLARE_OBJECT(RBMJointLLParameters); 00136 00137 // Simply calls inherited::build() then build_() 00138 virtual void build(); 00139 00141 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00142 00143 protected: 00144 //##### Learned Options ################################################# 00145 00146 //##### Not Options ##################################################### 00147 00152 mutable bool target_given_cond; 00153 00155 int target_size; 00156 00158 int cond_size; 00159 00161 mutable Vec out_act; 00162 00163 protected: 00165 static void declareOptions(OptionList& ol); 00166 00167 private: 00168 //##### Private Member Functions ######################################## 00169 00172 void build_units_types(); 00173 00175 void build_(); 00176 00177 private: 00178 //##### Private Data Members ############################################ 00179 00180 // The rest of the private stuff goes here 00181 }; 00182 00183 // Declares a few other classes and functions related to this class 00184 DECLARE_OBJECT_PTR(RBMJointLLParameters); 00185 00186 } // end of namespace PLearn 00187 00188 #endif 00189 00190 00191 /* 00192 Local Variables: 00193 mode:c++ 00194 c-basic-offset:4 00195 c-file-style:"stroustrup" 00196 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00197 indent-tabs-mode:nil 00198 fill-column:79 00199 End: 00200 */ 00201 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :