PLearn 0.1
FractionSplitter.h
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00001 // -*- C++ -*-
00002 
00003 // FractionSplitter.h
00004 //
00005 // Copyright (C) 2003  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: FractionSplitter.h 8795 2008-04-11 13:41:50Z tihocan $
00037  ******************************************************* */
00038 
00040 #ifndef FractionSplitter_INC
00041 #define FractionSplitter_INC
00042 
00043 #include "Splitter.h"
00044 
00045 namespace PLearn {
00046 using namespace std;
00047 
00048 class FractionSplitter: public Splitter
00049 {
00050 
00051 private:
00052 
00053     typedef Splitter inherited;
00054 
00055 protected:
00056 
00057     // *********************
00058     // * protected options *
00059     // *********************
00060 
00061     // ### declare protected option fields (such as learnt parameters) here
00062     // ...
00063 
00064 public:
00065 
00066     // ************************
00067     // * public build options *
00068     // ************************
00069 
00070     bool one_is_absolute;
00071     bool round_to_closest;
00072     TMat< pair<real, real> > splits;
00073 
00074     // ****************
00075     // * Constructors *
00076     // ****************
00077 
00078     // Default constructor, make sure the implementation in the .cc
00079     // initializes all fields to reasonable default values.
00080     FractionSplitter();
00081 
00082 
00083     // ******************
00084     // * Object methods *
00085     // ******************
00086 
00087 private:
00088 
00090     void build_();
00091 
00092 protected:
00093 
00095     static void declareOptions(OptionList& ol);
00096 
00097 public:
00098 
00099     // simply calls inherited::build() then build_()
00100     virtual void build();
00101 
00103     virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies);
00104 
00106     PLEARN_DECLARE_OBJECT(FractionSplitter);
00107 
00108 
00109     // ********************************
00110     // *        Splitter methods      *
00111     // ********************************
00112 
00114     virtual int nsplits() const;
00115 
00117     virtual int nSetsPerSplit() const;
00118 
00120     virtual TVec<VMat> getSplit(int i=0);
00121 
00122 };
00123 
00124 // Declares a few other classes and functions related to this class
00125 DECLARE_OBJECT_PTR(FractionSplitter);
00126 
00127 } // end of namespace PLearn
00128 
00129 #endif
00130 
00131 
00132 /*
00133   Local Variables:
00134   mode:c++
00135   c-basic-offset:4
00136   c-file-style:"stroustrup"
00137   c-file-offsets:((innamespace . 0)(inline-open . 0))
00138   indent-tabs-mode:nil
00139   fill-column:79
00140   End:
00141 */
00142 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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