PLearn 0.1
PairsVMatrix.cc
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00001 // -*- C++ -*-
00002 
00003 // PLearn (A C++ Machine Learning Library)
00004 // Copyright (C) 1998 Pascal Vincent
00005 // Copyright (C) 1999-2001 Pascal Vincent, Yoshua Bengio, Rejean Ducharme and University of Montreal
00006 // Copyright (C) 2002 Pascal Vincent, Julien Keable, Xavier Saint-Mleux
00007 //
00008 // Redistribution and use in source and binary forms, with or without
00009 // modification, are permitted provided that the following conditions are met:
00010 //
00011 //  1. Redistributions of source code must retain the above copyright
00012 //     notice, this list of conditions and the following disclaimer.
00013 //
00014 //  2. Redistributions in binary form must reproduce the above copyright
00015 //     notice, this list of conditions and the following disclaimer in the
00016 //     documentation and/or other materials provided with the distribution.
00017 //
00018 //  3. The name of the authors may not be used to endorse or promote
00019 //     products derived from this software without specific prior written
00020 //     permission.
00021 //
00022 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00023 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00024 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00025 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00027 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00028 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00029 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00030 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00031 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00032 //
00033 // This file is part of the PLearn library. For more information on the PLearn
00034 // library, go to the PLearn Web site at www.plearn.org
00035 
00036 
00037 /* *******************************************************
00038  * $Id: PairsVMatrix.cc 5557 2006-05-10 20:36:58Z lamblin $
00039  ******************************************************* */
00040 
00041 #include "PairsVMatrix.h"
00042 
00043 namespace PLearn {
00044 using namespace std;
00045 
00046 
00049 PLEARN_IMPLEMENT_OBJECT(PairsVMatrix, "ONE LINE DESC", "NO HELP");
00050 
00051 PairsVMatrix::PairsVMatrix()
00052 {
00053 }
00054 
00055 PairsVMatrix::PairsVMatrix(Mat the_data1, Mat the_data2)
00056     : inherited(data1.width()+data2.width(), data1.length()*data2.length()),
00057       data1(the_data1), data2(the_data2)
00058 {
00059 }
00060 
00061 void
00062 PairsVMatrix::build()
00063 {
00064     inherited::build();
00065     build_();
00066 }
00067 
00068 void
00069 PairsVMatrix::build_()
00070 {
00071 }
00072 
00073 void
00074 PairsVMatrix::declareOptions(OptionList &ol)
00075 {
00076     declareOption(ol, "data1", &PairsVMatrix::data1, OptionBase::buildoption, "");
00077     declareOption(ol, "data2", &PairsVMatrix::data2, OptionBase::buildoption, "");
00078     inherited::declareOptions(ol);
00079 }
00080 
00081 void PairsVMatrix::getNewRow(int ij, const Vec& samplevec) const
00082 {
00083     //ij = ij%length_;
00084     ij %= length_;
00085     real* data = samplevec.data();
00086     real* data_i = data1[ij/data2.length()];
00087     real* data_j = data2[ij%data2.length()];
00088     int kk=0;
00089     for (int k=0;k<data1.width();k++)
00090         data[kk++] = data_i[k];
00091     for (int k=0;k<data2.width();k++)
00092         data[kk++] = data_j[k];
00093 }
00094 
00095 
00096 } // end of namespace PLearn
00097 
00098 
00099 /*
00100   Local Variables:
00101   mode:c++
00102   c-basic-offset:4
00103   c-file-style:"stroustrup"
00104   c-file-offsets:((innamespace . 0)(inline-open . 0))
00105   indent-tabs-mode:nil
00106   fill-column:79
00107   End:
00108 */
00109 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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