PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // RBMJointGenericParameters.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 RBMJointGenericParameters_INC 00041 #define RBMJointGenericParameters_INC 00042 00043 #include "RBMGenericParameters.h" 00044 00045 namespace PLearn { 00046 using namespace std; 00047 00048 //class RBMLayer; 00049 00056 class RBMJointGenericParameters: public RBMGenericParameters 00057 { 00058 typedef RBMGenericParameters inherited; 00059 00060 public: 00061 //##### Public Build Options ############################################ 00062 00064 PP<RBMGenericParameters> target_params; 00065 00067 PP<RBMGenericParameters> cond_params; 00068 00069 00070 public: 00071 //##### Public Member Functions ######################################### 00072 00074 RBMJointGenericParameters( real the_learning_rate=0 ); 00075 00077 RBMJointGenericParameters( PP<RBMGenericParameters>& the_target_params, 00078 PP<RBMGenericParameters>& 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 //##### PLearn::Object Protocol ######################################### 00132 00133 // Declares other standard object methods. 00134 PLEARN_DECLARE_OBJECT(RBMJointGenericParameters); 00135 00136 // Simply calls inherited::build() then build_() 00137 virtual void build(); 00138 00140 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00141 00142 protected: 00143 //##### Learned Options ################################################# 00144 00145 //##### Not Options ##################################################### 00146 00151 mutable bool target_given_cond; 00152 00154 int target_size; 00155 00157 int cond_size; 00158 00160 mutable Vec out_act; 00161 00162 protected: 00163 //##### Protected Member Functions ###################################### 00167 virtual void computeLinearUnitActivations( int i, const Vec& activations ) 00168 const; 00169 00173 virtual void computeQuadraticUnitActivations( int i, 00174 const Vec& activations ) 00175 const; 00176 00178 static void declareOptions(OptionList& ol); 00179 00180 private: 00181 //##### Private Member Functions ######################################## 00182 00185 void build_units_types(); 00186 00188 void build_(); 00189 00190 private: 00191 //##### Private Data Members ############################################ 00192 00193 // The rest of the private stuff goes here 00194 }; 00195 00196 // Declares a few other classes and functions related to this class 00197 DECLARE_OBJECT_PTR(RBMJointGenericParameters); 00198 00199 } // end of namespace PLearn 00200 00201 #endif 00202 00203 00204 /* 00205 Local Variables: 00206 mode:c++ 00207 c-basic-offset:4 00208 c-file-style:"stroustrup" 00209 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00210 indent-tabs-mode:nil 00211 fill-column:79 00212 End: 00213 */ 00214 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :