PLearn 0.1
CumVMatrix.h
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00001 // -*- C++ -*-
00002 
00003 // CumVMatrix.h
00004 //
00005 // Copyright (C) 2004 Yoshua Bengio
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 /* *******************************************************
00036  * $Id: CumVMatrix.h 5557 2006-05-10 20:36:58Z lamblin $
00037  ******************************************************* */
00038 
00039 // Authors: Yoshua Bengio
00040 
00044 #ifndef CumVMatrix_INC
00045 #define CumVMatrix_INC
00046 
00047 #include "SourceVMatrix.h"
00048 
00049 namespace PLearn {
00050 using namespace std;
00051 
00052 class CumVMatrix: public SourceVMatrix
00053 {
00054     typedef SourceVMatrix inherited;
00055 
00056 protected:
00057     // *********************
00058     // * protected options *
00059     // *********************
00060 
00061     Mat accumulated_columns;
00062     Vec row;
00063     Vec previous_sourcerow;
00064     TVec<int> columns;
00065     bool average;
00066 
00067 public:
00068 
00069     // ************************
00070     // * public build options *
00071     // ************************
00072 
00073     // ### declare public option fields (such as build options) here
00074     TVec<string> columns_to_accumulate;
00075 
00076     // ****************
00077     // * Constructors *
00078     // ****************
00079 
00080     // Default constructor, make sure the implementation in the .cc
00081     // initializes all fields to reasonable default values.
00082     CumVMatrix();
00083 
00084     // ******************
00085     // * Object methods *
00086     // ******************
00087 
00088 private:
00090     void build_();
00091 
00092 protected:
00093 
00095     static void declareOptions(OptionList& ol);
00096 
00098     virtual void getNewRow(int i, const Vec& v) const;
00099 
00100 public:
00101 
00102     // simply calls inherited::build() then build_()
00103     virtual void build();
00104 
00106     virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies);
00107 
00109     PLEARN_DECLARE_OBJECT(CumVMatrix);
00110 
00111 };
00112 DECLARE_OBJECT_PTR(CumVMatrix);
00113 
00114 } // end of namespace PLearn
00115 #endif
00116 
00117 
00118 /*
00119   Local Variables:
00120   mode:c++
00121   c-basic-offset:4
00122   c-file-style:"stroustrup"
00123   c-file-offsets:((innamespace . 0)(inline-open . 0))
00124   indent-tabs-mode:nil
00125   fill-column:79
00126   End:
00127 */
00128 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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