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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,v 1.1 2004/04/20 20:38:36 tihocan Exp $ 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(map<const void*, void*>& 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

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