PLearn 0.1
DEPRECATED/RBMBinomialLayer.h
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00001 // -*- C++ -*-
00002 
00003 // RBMBinomialLayer.h
00004 //
00005 // Copyright (C) 2006 Dan Popovici & 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: Dan Popovici & Pascal Lamblin
00036 
00039 #ifndef RBMBinomialLayer_INC
00040 #define RBMBinomialLayer_INC
00041 
00042 #include "RBMLayer.h"
00043 
00044 namespace PLearn {
00045 using namespace std;
00046 
00053 class RBMBinomialLayer: public RBMLayer
00054 {
00055     typedef RBMLayer inherited;
00056 
00057 public:
00058     //#####  Public Build Options  ############################################
00059 
00060 
00061 
00062 public:
00063     //#####  Public Member Functions  #########################################
00064 
00066     RBMBinomialLayer();
00067 
00069     RBMBinomialLayer( int the_size );
00070 
00071 
00072     // Your other public member functions go here
00073 
00076     virtual void getUnitActivations( int i, PP<RBMParameters> rbmp,
00077                                      int offset=0 );
00078 
00081     virtual void getAllActivations( PP<RBMParameters> rbmp, int offset=0 ) ;
00082 
00084     virtual void generateSample() ;
00085 
00087     virtual void computeExpectation() ;
00088 
00090     virtual void bpropUpdate(const Vec& input, const Vec& output,
00091                              Vec& input_gradient, const Vec& output_gradient);
00092 
00093 
00094     //#####  PLearn::Object Protocol  #########################################
00095 
00096     // Declares other standard object methods.
00097     PLEARN_DECLARE_OBJECT(RBMBinomialLayer);
00098 
00099     // Simply calls inherited::build() then build_()
00100     virtual void build();
00101 
00103     virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies);
00104 
00105 protected:
00106     //#####  Not Options  #####################################################
00107 
00108 protected:
00109     //#####  Protected Member Functions  ######################################
00110 
00112     static void declareOptions(OptionList& ol);
00113 
00114 private:
00115     //#####  Private Member Functions  ########################################
00116 
00118     void build_();
00119 
00120 private:
00121     //#####  Private Data Members  ############################################
00122 
00123     // The rest of the private stuff goes here
00124 };
00125 
00126 // Declares a few other classes and functions related to this class
00127 DECLARE_OBJECT_PTR(RBMBinomialLayer);
00128 
00129 } // end of namespace PLearn
00130 
00131 #endif
00132 
00133 
00134 /*
00135   Local Variables:
00136   mode:c++
00137   c-basic-offset:4
00138   c-file-style:"stroustrup"
00139   c-file-offsets:((innamespace . 0)(inline-open . 0))
00140   indent-tabs-mode:nil
00141   fill-column:79
00142   End:
00143 */
00144 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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