PLearn 0.1
SelectSetsSplitter.cc
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00001 // -*- C++ -*-
00002 
00003 // SelectSetsSplitter.cc
00004 //
00005 // Copyright (C) 2008 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 // Authors: Olivier Delalleau
00036 
00040 #include "SelectSetsSplitter.h"
00041 
00042 namespace PLearn {
00043 using namespace std;
00044 
00045 PLEARN_IMPLEMENT_OBJECT(
00046     SelectSetsSplitter,
00047     "Selects a subset of sets from an underlying splitter.",
00048     ""
00049 );
00050 
00051 SelectSetsSplitter::SelectSetsSplitter()
00052 {}
00053 
00055 // declareOptions //
00057 void SelectSetsSplitter::declareOptions(OptionList& ol)
00058 {
00059     declareOption(ol, "splitter", &SelectSetsSplitter::splitter,
00060                   OptionBase::buildoption,
00061         "The underlying splitter.");
00062 
00063     declareOption(ol, "indices", &SelectSetsSplitter::indices,
00064                   OptionBase::buildoption,
00065         "Indices of sets being selected.");
00066 
00067     // Now call the parent class' declareOptions
00068     inherited::declareOptions(ol);
00069 }
00070 
00072 // build_ //
00074 void SelectSetsSplitter::build_()
00075 {}
00076 
00077 void SelectSetsSplitter::build()
00078 {
00079     inherited::build();
00080     build_();
00081 }
00082 
00084 // makeDeepCopyFromShallowCopy //
00086 void SelectSetsSplitter::makeDeepCopyFromShallowCopy(CopiesMap& copies)
00087 {
00088     inherited::makeDeepCopyFromShallowCopy(copies);
00089 
00090     deepCopyField(indices,  copies);
00091     deepCopyField(splitter, copies);
00092 }
00093 
00095 // nsplits //
00097 int SelectSetsSplitter::nsplits() const
00098 {
00099     return splitter->nsplits();
00100 }
00101 
00103 // nSetsPerSplit //
00105 int SelectSetsSplitter::nSetsPerSplit() const
00106 {
00107     return indices.length();
00108 }
00109 
00111 // getSplit //
00113 TVec<VMat> SelectSetsSplitter::getSplit(int k)
00114 {
00115     TVec<VMat> sub = splitter->getSplit(k);
00116     TVec<VMat> result;
00117     for (int i = 0; i < indices.length(); i++)
00118         result.append(sub[indices[i]]);
00119     return result;
00120 }
00121 
00123 // setDataSet //
00125 void SelectSetsSplitter::setDataSet(VMat the_dataset)
00126 {
00127     splitter->setDataSet(the_dataset);
00128 }
00129 
00130 } // end of namespace PLearn
00131 
00132 
00133 /*
00134   Local Variables:
00135   mode:c++
00136   c-basic-offset:4
00137   c-file-style:"stroustrup"
00138   c-file-offsets:((innamespace . 0)(inline-open . 0))
00139   indent-tabs-mode:nil
00140   fill-column:79
00141   End:
00142 */
00143 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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