PLearn 0.1
SourceKernel.h
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00001 // -*- C++ -*-
00002 
00003 // SourceKernel.h
00004 //
00005 // Copyright (C) 2004 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 /* *******************************************************      
00036  * $Id: SourceKernel.h 3994 2005-08-25 13:35:03Z chapados $ 
00037  ******************************************************* */
00038 
00039 // Authors: Olivier Delalleau
00040 
00044 #ifndef SourceKernel_INC
00045 #define SourceKernel_INC
00046 
00047 #include "Kernel.h"
00048 
00049 namespace PLearn {
00050 using namespace std;
00051 
00052 class SourceKernel: public Kernel
00053 {
00054 
00055 private:
00056 
00057     typedef Kernel inherited;
00058   
00059 protected:
00060 
00061     // *********************
00062     // * Protected options *
00063     // *********************
00064 
00065 public:
00066 
00067     // ************************
00068     // * Public build options *
00069     // ************************
00070 
00071     Ker source_kernel;
00072 
00073     // ****************
00074     // * Constructors *
00075     // ****************
00076 
00078     SourceKernel();
00079 
00080     // ******************
00081     // * Kernel methods *
00082     // ******************
00083 
00084 private: 
00085 
00087     void build_();
00088 
00089 protected: 
00090   
00092     static void declareOptions(OptionList& ol);
00093 
00094 public:
00095 
00096     // ************************
00097     // **** Object methods ****
00098     // ************************
00099 
00101     virtual void build();
00102 
00104     virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies);
00105 
00106     // Declares other standard object methods.
00107     PLEARN_DECLARE_OBJECT(SourceKernel);
00108 
00109     // **************************
00110     // **** Kernel methods ****
00111     // **************************
00112 
00114     virtual real evaluate(const Vec& x1, const Vec& x2) const;
00115 
00117     virtual void addDataForKernelMatrix(const Vec& newRow);
00118     virtual void computeGramMatrix(Mat K) const;
00119     virtual real evaluate_i_j(int i, int j) const;
00120     virtual real evaluate_i_x(int i, const Vec& x, real squared_norm_of_x=-1) const;
00121     virtual real evaluate_x_i(const Vec& x, int i, real squared_norm_of_x=-1) const;
00122     virtual void setDataForKernelMatrix(VMat the_data);
00123     virtual void setParameters(Vec paramvec);
00124     virtual Vec getParameters() const;
00125 
00126 };
00127 
00128 // Declares a few other classes and functions related to this class.
00129 DECLARE_OBJECT_PTR(SourceKernel);
00130   
00131 } // end of namespace PLearn
00132 
00133 #endif
00134 
00135 
00136 /*
00137   Local Variables:
00138   mode:c++
00139   c-basic-offset:4
00140   c-file-style:"stroustrup"
00141   c-file-offsets:((innamespace . 0)(inline-open . 0))
00142   indent-tabs-mode:nil
00143   fill-column:79
00144   End:
00145 */
00146 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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