PLearn 0.1
ConstantVMatrix.h
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00001 // -*- C++ -*-
00002 
00003 // ConstantVMatrix.h
00004 //
00005 // Copyright (C) 2005 Nicolas Chapados
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: .pyskeleton_header 544 2003-09-01 00:05:31Z plearner $
00037  ******************************************************* */
00038 
00039 // Authors: Nicolas Chapados
00040 
00044 #ifndef ConstantVMatrix_INC
00045 #define ConstantVMatrix_INC
00046 
00047 #include <plearn/vmat/VMat.h>
00048 
00049 
00050 namespace PLearn {
00051 
00055 class ConstantVMatrix: public VMatrix
00056 {
00057     typedef VMatrix inherited;
00058 
00059 public:
00060     //#####  Public Options  ##################################################
00061 
00063     real constant_output;
00064 
00065 
00066     //#####  Object Methods  ##################################################
00067 
00069     ConstantVMatrix();
00070 
00072     ConstantVMatrix(int the_length, int the_width,
00073                     real constant_output = MISSING_VALUE);
00074 
00075 private:
00076 
00078     void build_();
00079 
00080 protected:
00081 
00083     static void declareOptions(OptionList& ol);
00084 
00085 public:
00086 
00088     virtual void build();
00089 
00091     virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies);
00092 
00093     // Declares other standard object methods
00094     //  If your class is not instantiatable (it has pure virtual methods)
00095     // you should replace this by PLEARN_DECLARE_ABSTRACT_OBJECT_METHODS
00096     PLEARN_DECLARE_OBJECT(ConstantVMatrix);
00097 
00098 
00099     //#####  VMatrix Methods  #################################################
00100 
00102     //  (Please implement in .cc)
00103     virtual real get(int i, int j) const;
00104 
00107     //  (Please implement in .cc)
00108     //  (default version repeatedly calls get(i,j) which may have a significant overhead)
00109     virtual void getSubRow(int i, int j, Vec v) const;
00110 
00111 };
00112 
00113 // Declares a few other classes and functions related to this class
00114 DECLARE_OBJECT_PTR(ConstantVMatrix);
00115 
00116 } // end of namespace PLearn
00117 
00118 #endif
00119 
00120 
00121 /*
00122   Local Variables:
00123   mode:c++
00124   c-basic-offset:4
00125   c-file-style:"stroustrup"
00126   c-file-offsets:((innamespace . 0)(inline-open . 0))
00127   indent-tabs-mode:nil
00128   fill-column:79
00129   End:
00130 */
00131 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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