PLearn 0.1
ExplicitSplitter.cc
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00001 // -*- C++ -*-
00002 
00003 // ExplicitSplitter.cc
00004 //
00005 // Copyright (C) 2002 Pascal Vincent
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: ExplicitSplitter.cc 6861 2007-04-09 19:04:15Z saintmlx $
00037  ******************************************************* */
00038 
00040 #include "ExplicitSplitter.h"
00041 #include <plearn/db/getDataSet.h>
00042 
00043 namespace PLearn {
00044 using namespace std;
00045 
00047 // ExplicitSplitter //
00049 ExplicitSplitter::ExplicitSplitter()
00050 {}
00051 
00052 PLEARN_IMPLEMENT_OBJECT(ExplicitSplitter,
00053     "Splitter whose sets are explicitely given.",
00054     "ExplicitSplitter allows one to define a splitter by providing directly\n"
00055     "the datasets for each split, as a matrix of VMatrices.\n"
00056     "This splitter thus ignores the 'dataset' received from setDataSet(..).\n"
00057 );
00058 
00060 // declareOptions //
00062 void ExplicitSplitter::declareOptions(OptionList& ol)
00063 {
00064     declareOption(ol, "splitsets", &ExplicitSplitter::splitsets,
00065         OptionBase::buildoption,
00066        "The i-th row of this matrix contains the sets for the i-th split.");
00067 
00068     inherited::declareOptions(ol);
00069 }
00070 
00072 // build_ //
00074 void ExplicitSplitter::build_()
00075 {}
00076 
00078 // build //
00080 void ExplicitSplitter::build()
00081 {
00082     inherited::build();
00083     build_();
00084 }
00085 
00086 void ExplicitSplitter::makeDeepCopyFromShallowCopy(CopiesMap& copies)
00087 {
00088     inherited::makeDeepCopyFromShallowCopy(copies);
00089     deepCopyField(splitsets, copies);
00090 }
00091 
00092 int ExplicitSplitter::nsplits() const
00093 {
00094     return splitsets.length();
00095 }
00096 
00097 int ExplicitSplitter::nSetsPerSplit() const
00098 {
00099     return splitsets.width();
00100 }
00101 
00102 
00103 TVec<VMat> ExplicitSplitter::getSplit(int k)
00104 {
00105     return splitsets(k);
00106 }
00107 
00108 
00109 } // end of namespace PLearn
00110 
00111 
00112 /*
00113   Local Variables:
00114   mode:c++
00115   c-basic-offset:4
00116   c-file-style:"stroustrup"
00117   c-file-offsets:((innamespace . 0)(inline-open . 0))
00118   indent-tabs-mode:nil
00119   fill-column:79
00120   End:
00121 */
00122 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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