PLearn 0.1
StochasticBinarizeVMatrix.h
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00001 // -*- C++ -*-
00002 
00003 // StochasticBinarizeVMatrix.h
00004 //
00005 // Copyright (C) 2008 Olivier Delalleau
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: Olivier Delalleau
00036 
00040 #ifndef StochasticBinarizeVMatrix_INC
00041 #define StochasticBinarizeVMatrix_INC
00042 
00043 #include <plearn/math/PRandom.h>
00044 #include <plearn/vmat/SourceVMatrix.h>
00045 
00046 namespace PLearn {
00047 
00058 class StochasticBinarizeVMatrix : public SourceVMatrix
00059 {
00060     typedef SourceVMatrix inherited;
00061 
00062 public:
00063     //#####  Public Build Options  ############################################
00064 
00065     bool rescale_to_0_1;
00066     int seed;
00067 
00068 public:
00069     //#####  Public Member Functions  #########################################
00070 
00072     StochasticBinarizeVMatrix();
00073 
00074     //#####  PLearn::Object Protocol  #########################################
00075 
00076     // Declares other standard object methods.
00077     PLEARN_DECLARE_OBJECT(StochasticBinarizeVMatrix);
00078 
00079     // Simply calls inherited::build() then build_()
00080     virtual void build();
00081 
00083     virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies);
00084 
00085 protected:
00086 
00087     PP<PRandom> random_gen;
00088     VMat rescaled_data;
00089 
00090     //#####  Protected Options  ###############################################
00091 
00092     // ### Declare protected option fields (such as learned parameters) here
00093     // ...
00094 
00095 protected:
00096     //#####  Protected Member Functions  ######################################
00097 
00099     static void declareOptions(OptionList& ol);
00100 
00103     virtual void getNewRow(int i, const Vec& v) const;
00104 
00105 private:
00106     //#####  Private Member Functions  ########################################
00107 
00109     void build_();
00110 
00111 private:
00112     //#####  Private Data Members  ############################################
00113 
00114     // The rest of the private stuff goes here
00115 };
00116 
00117 // Declares a few other classes and functions related to this class
00118 DECLARE_OBJECT_PTR(StochasticBinarizeVMatrix);
00119 
00120 } // end of namespace PLearn
00121 
00122 #endif
00123 
00124 
00125 /*
00126   Local Variables:
00127   mode:c++
00128   c-basic-offset:4
00129   c-file-style:"stroustrup"
00130   c-file-offsets:((innamespace . 0)(inline-open . 0))
00131   indent-tabs-mode:nil
00132   fill-column:79
00133   End:
00134 */
00135 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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