PLearn 0.1
HeterogenuousAffineTransformVariable.h
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00001 // -*- C++ -*-
00002 
00003 // HeterogenuousAffineTransformVariable.h
00004 //
00005 // Copyright (C) 2006 Hugo Larochelle
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: Hugo Larochelle
00036 
00040 #ifndef HeterogenuousAffineTransformVariable_INC
00041 #define HeterogenuousAffineTransformVariable_INC
00042 
00043 #include <plearn/var/NaryVariable.h>
00044 
00045 namespace PLearn {
00046 using namespace std;
00047 
00053 class HeterogenuousAffineTransformVariable : public NaryVariable
00054 {
00055     typedef NaryVariable inherited;
00056 
00057 public:
00058     //#####  Public Build Options  ############################################
00059 
00061     TVec<bool> input_is_discrete;
00062 
00063 public:
00064     //#####  Public Member Functions  #########################################
00065 
00067     HeterogenuousAffineTransformVariable();
00068 
00070 
00071     // HeterogenuousAffineTransformVariable(const VarArray& vararray);
00072     HeterogenuousAffineTransformVariable(Var input, VarArray weights, TVec<bool> the_input_is_discrete);
00073     
00074     // Your other public member functions go here
00075 
00076     //#####  PLearn::Variable methods #########################################
00077     // (PLEASE IMPLEMENT IN .cc)
00078     virtual void recomputeSize(int& l, int& w) const;
00079     virtual void fprop();
00080     virtual void bprop();
00081 
00082 
00083     //#####  PLearn::Object Protocol  #########################################
00084 
00085     // Declares other standard object methods.
00086     PLEARN_DECLARE_OBJECT(HeterogenuousAffineTransformVariable);
00087 
00088     // Simply calls inherited::build() then build_()
00089     virtual void build();
00090 
00092     virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies);
00093 
00094 protected:
00095     //#####  Protected Member Functions  ######################################
00096 
00098     // (PLEASE IMPLEMENT IN .cc)
00099     static void declareOptions(OptionList& ol);
00100 
00101 private:
00102     //#####  Private Member Functions  ########################################
00103 
00105     void build_();
00106 
00107 private:
00108     //#####  Private Data Members  ############################################
00109 
00110 };
00111 
00112 // Declares a few other classes and functions related to this class
00113 DECLARE_OBJECT_PTR(HeterogenuousAffineTransformVariable);
00114 
00115 inline Var heterogenuous_affine_transform(Var input, VarArray weights, TVec<bool> the_input_is_discrete)
00116 { return new HeterogenuousAffineTransformVariable(input, weights, the_input_is_discrete); }
00117 
00118 } // end of namespace PLearn
00119 
00120 #endif
00121 
00122 
00123 /*
00124   Local Variables:
00125   mode:c++
00126   c-basic-offset:4
00127   c-file-style:"stroustrup"
00128   c-file-offsets:((innamespace . 0)(inline-open . 0))
00129   indent-tabs-mode:nil
00130   fill-column:79
00131   End:
00132 */
00133 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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