PLearn 0.1
ReIndexedTargetVMatrix.cc
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00001 // -*- C++ -*-
00002 
00003 // ReIndexedTargetVMatrix.cc
00004 //
00005 // Copyright (C) 2005 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 /* *******************************************************
00036    * $Id: .pyskeleton_header 544 2003-09-01 00:05:31Z plearner $
00037    ******************************************************* */
00038 
00039 // Authors: Hugo Larochelle
00040 
00044 #include "ReIndexedTargetVMatrix.h"
00045 #include <plearn/dict/Dictionary.h>
00046 
00047 namespace PLearn {
00048 using namespace std;
00049 
00050 PLEARN_IMPLEMENT_OBJECT(
00051     ReIndexedTargetVMatrix,
00052     "ONE LINE DESCRIPTION",
00053     "MULTI-LINE \nHELP"
00054     );
00055 
00057 // ReIndexedTargetVMatrix //
00059 ReIndexedTargetVMatrix::ReIndexedTargetVMatrix()
00060     : ignore_oov_tag(false)
00061 {}
00062 
00064 // declareOptions //
00066 void ReIndexedTargetVMatrix::declareOptions(OptionList& ol)
00067 {
00068     declareOption(ol, "ignore_oov_tag", &ReIndexedTargetVMatrix::ignore_oov_tag, OptionBase::buildoption,
00069                   "Indication that the OOV_TAG must be ignored in the possible values.\n");
00070 
00071     inherited::declareOptions(ol);
00072 }
00073 
00075 // build //
00077 void ReIndexedTargetVMatrix::build()
00078 {
00079     inherited::build();
00080     build_();
00081 }
00082 
00084 // build_ //
00086 void ReIndexedTargetVMatrix::build_()
00087 {
00088     setMetaInfoFromSource();
00089 }
00090 
00092 // getNewRow //
00094 void ReIndexedTargetVMatrix::getNewRow(int i, const Vec& v) const
00095 {
00096     source->getRow(i,v);
00097     for(t=inputsize_; t<targetsize_+inputsize_; t++)
00098     {
00099         source->getValues(i,t,values);
00100 
00101         oov_index = -1;
00102         if(ignore_oov_tag)
00103         {
00104             oov_index = source->getDictionary()->getId(OOV_TAG);
00105             oov_index = values.find(oov_index);
00106         }
00107         if(oov_index < 0) oov_index = values.length();
00108 
00109         index = values.find(v[t]);
00110         if(index < 0) PLERROR("In ReIndexedTargetVMatrix::getNewRow(): target (%d) isn't a possible value", v[t]);
00111         if(index == oov_index) PLERROR("In ReIndexedTargetVMatrix::getNewRow(): target (%d) is OOV_TAG, but OOV_TAG ignored", v[t]);
00112         v[t] = index<oov_index?index:index-1;
00113     }
00114 }
00115 
00117 // makeDeepCopyFromShallowCopy //
00119 void ReIndexedTargetVMatrix::makeDeepCopyFromShallowCopy(CopiesMap& copies)
00120 {
00121     inherited::makeDeepCopyFromShallowCopy(copies);
00122 }
00123 
00124 } // end of namespace PLearn
00125 
00126 
00127 /*
00128   Local Variables:
00129   mode:c++
00130   c-basic-offset:4
00131   c-file-style:"stroustrup"
00132   c-file-offsets:((innamespace . 0)(inline-open . 0))
00133   indent-tabs-mode:nil
00134   fill-column:79
00135   End:
00136 */
00137 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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