PLearn 0.1
ConcatSetsSplitter.cc
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00001 // -*- C++ -*-
00002 
00003 // ConcatSetsSplitter.cc
00004 //
00005 // Copyright (C) 2004 Olivier Delalleau
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: ConcatSetsSplitter.cc 8135 2007-10-03 16:59:53Z nouiz $
00037  ******************************************************* */
00038 
00039 // Authors: Olivier Delalleau
00040 
00044 #include "ConcatSetsSplitter.h"
00045 
00046 namespace PLearn {
00047 using namespace std;
00048 
00050 // ConcatSetsSplitter //
00052 ConcatSetsSplitter::ConcatSetsSplitter()
00053 {
00054 }
00055 
00056 PLEARN_IMPLEMENT_OBJECT(ConcatSetsSplitter,
00057                         "Concatenates the sets of many splitters.",
00058                         "The concatenated splitters must have the same number of splits."
00059     );
00060 
00062 // declareOptions //
00064 void ConcatSetsSplitter::declareOptions(OptionList& ol)
00065 {
00066     declareOption(ol, "splitters", &ConcatSetsSplitter::splitters, OptionBase::buildoption,
00067                   "The splitters whose sets we want to concatenate.");
00068 
00069     // Now call the parent class' declareOptions
00070     inherited::declareOptions(ol);
00071 }
00072 
00074 // build_ //
00076 void ConcatSetsSplitter::build_()
00077 {
00078     if (splitters.length() > 0) {
00079         int nsplits = splitters[0]->nsplits();
00080         for (int i = 1; i < splitters.length(); i++)
00081             if (splitters[i]->nsplits() != nsplits)
00082                 PLERROR("In ConcatSetsSplitter::build_ - All concatenated splitters must return the same number of splits");
00083     }
00084 }
00085 
00087 // build //
00089 void ConcatSetsSplitter::build()
00090 {
00091     inherited::build();
00092     build_();
00093 }
00094 
00095 void ConcatSetsSplitter::makeDeepCopyFromShallowCopy(CopiesMap& copies)
00096 {
00097     inherited::makeDeepCopyFromShallowCopy(copies);
00098     deepCopyField(splitters, copies);
00099 
00100 }
00101 
00103 // nsplits //
00105 int ConcatSetsSplitter::nsplits() const
00106 {
00107     return splitters[0]->nsplits();
00108 }
00109 
00111 // nSetsPerSplit //
00113 int ConcatSetsSplitter::nSetsPerSplit() const
00114 {
00115     int count = 0;
00116     for (int i = 0; i < splitters.length(); i++)
00117         count += splitters[i]->nSetsPerSplit();
00118     return count;
00119 }
00120 
00122 // getSplit //
00124 TVec<VMat> ConcatSetsSplitter::getSplit(int k)
00125 {
00126     TVec<VMat> sets;
00127     for (int i = 0; i < splitters.length(); i++) {
00128         sets.append(splitters[i]->getSplit(k));
00129     }
00130     return sets;
00131 }
00132 
00134 // setDataSet //
00136 void ConcatSetsSplitter::setDataSet(VMat the_dataset) {
00137     inherited::setDataSet(the_dataset);
00138     for (int i = 0; i < splitters.length(); i++) {
00139         splitters[i]->setDataSet(the_dataset);
00140     }
00141 }
00142 
00143 } // end of namespace PLearn
00144 
00145 
00146 /*
00147   Local Variables:
00148   mode:c++
00149   c-basic-offset:4
00150   c-file-style:"stroustrup"
00151   c-file-offsets:((innamespace . 0)(inline-open . 0))
00152   indent-tabs-mode:nil
00153   fill-column:79
00154   End:
00155 */
00156 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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