PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // RepeatVMatrix.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 "RepeatVMatrix.h" 00045 00046 namespace PLearn { 00047 using namespace std; 00048 00050 // RepeatVMatrix // 00052 RepeatVMatrix::RepeatVMatrix() 00053 : repeat_n_times(1) 00054 {} 00055 00056 PLEARN_IMPLEMENT_OBJECT(RepeatVMatrix, 00057 "Repeats the source VMatrix a certain number of times", 00058 "This VMatrix simply concatenates repeat_n_times-1 copies of \n" 00059 "source VMatrix to itself." 00060 ); 00061 00063 // declareOptions // 00065 void RepeatVMatrix::declareOptions(OptionList& ol) 00066 { 00067 declareOption(ol, "repeat_n_times", &RepeatVMatrix::repeat_n_times, OptionBase::buildoption, 00068 "Number of times to repeat the source VMatrix.\n"); 00069 00070 inherited::declareOptions(ol); 00071 } 00072 00074 // build // 00076 void RepeatVMatrix::build() 00077 { 00078 inherited::build(); 00079 build_(); 00080 } 00081 00083 // build_ // 00085 void RepeatVMatrix::build_() 00086 { 00087 if(source) 00088 { 00089 setMetaInfoFromSource(); 00090 length_ = source->length()*repeat_n_times; 00091 if(repeat_n_times < 1) 00092 PLERROR("In RepeatVMatrix::build_(): repeat_n_times cannot be < 1"); 00093 } 00094 } 00095 00097 // getNewRow // 00099 void RepeatVMatrix::getNewRow(int i, const Vec& v) const 00100 { 00101 source->getRow(i%source->length(),v); 00102 } 00103 00105 // makeDeepCopyFromShallowCopy // 00107 void RepeatVMatrix::makeDeepCopyFromShallowCopy(CopiesMap& copies) 00108 { 00109 inherited::makeDeepCopyFromShallowCopy(copies); 00110 00111 //PLERROR("RepeatVMatrix::makeDeepCopyFromShallowCopy not fully (correctly) implemented yet!"); 00112 } 00113 00114 } // end of namespace PLearn 00115