PLearn 0.1
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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 :