PLearn 0.1
RBMJointLLParameters.h
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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 :
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