PLearn 0.1
RowsSubVMatrix.h
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00001 // -*- C++ -*-
00002 
00003 // RowsSubVMatrix.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: RowsSubVMatrix.h 5557 2006-05-10 20:36:58Z lamblin $
00037  ******************************************************* */
00038 
00039 // Authors: Pascal Vincent
00040 
00044 #ifndef RowsSubVMatrix_INC
00045 #define RowsSubVMatrix_INC
00046 
00047 #include "SourceVMatrix.h"
00048 
00049 namespace PLearn {
00050 using namespace std;
00051 
00052 class RowsSubVMatrix: public SourceVMatrix
00053 {
00054     typedef SourceVMatrix inherited;
00055 
00056 public:
00057     // ************************
00058     // * public build options *
00059     // ************************
00060 
00061     int startrow;
00062 
00063     // ****************
00064     // * Constructors *
00065     // ****************
00066 
00067     // Default constructor, make sure the implementation in the .cc
00068     // initializes all fields to reasonable default values.
00069     RowsSubVMatrix();
00070 
00071     RowsSubVMatrix(VMat the_source, int the_startrow, int the_length);
00072 
00073     // ******************
00074     // * Object methods *
00075     // ******************
00076 
00077 private:
00079     // (Please implement in .cc)
00080     void build_();
00081 
00082 protected:
00084     // (Please implement in .cc)
00085     static void declareOptions(OptionList& ol);
00086 
00087 public:
00089     virtual void getNewRow(int i, const Vec& v) const;
00090 
00091     // simply calls inherited::build() then build_()
00092     virtual void build();
00093 
00095     virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies);
00096 
00098     PLEARN_DECLARE_OBJECT(RowsSubVMatrix);
00099 
00100 };
00101 
00102 DECLARE_OBJECT_PTR(RowsSubVMatrix);
00103 
00104 } // end of namespace PLearn
00105 #endif
00106 
00107 
00108 /*
00109   Local Variables:
00110   mode:c++
00111   c-basic-offset:4
00112   c-file-style:"stroustrup"
00113   c-file-offsets:((innamespace . 0)(inline-open . 0))
00114   indent-tabs-mode:nil
00115   fill-column:79
00116   End:
00117 */
00118 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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