PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // PLearn (A C++ Machine Learning Library) 00004 // Copyright (C) 1998 Pascal Vincent 00005 // Copyright (C) 1999-2002 Pascal Vincent, Yoshua Bengio, Rejean Ducharme and University of Montreal 00006 // Copyright (C) 2001-2002 Nicolas Chapados, Ichiro Takeuchi, Jean-Sebastien Senecal 00007 // Copyright (C) 2002 Xiangdong Wang, Christian Dorion 00008 00009 // Redistribution and use in source and binary forms, with or without 00010 // modification, are permitted provided that the following conditions are met: 00011 // 00012 // 1. Redistributions of source code must retain the above copyright 00013 // notice, this list of conditions and the following disclaimer. 00014 // 00015 // 2. Redistributions in binary form must reproduce the above copyright 00016 // notice, this list of conditions and the following disclaimer in the 00017 // documentation and/or other materials provided with the distribution. 00018 // 00019 // 3. The name of the authors may not be used to endorse or promote 00020 // products derived from this software without specific prior written 00021 // permission. 00022 // 00023 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00024 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00025 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00026 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00027 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00028 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00029 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00030 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00031 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00032 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 // 00034 // This file is part of the PLearn library. For more information on the PLearn 00035 // library, go to the PLearn Web site at www.plearn.org 00036 00037 00038 /* ******************************************************* 00039 * $Id: WeightedQuadraticPolynomialKernel.h 6859 2007-04-09 18:07:57Z nouiz $ 00040 * This file is part of the PLearn library. 00041 ******************************************************* */ 00042 00043 #ifndef WeightedQuadraticPolynomialKernel_INC 00044 #define WeightedQuadraticPolynomialKernel_INC 00045 00046 #include "Kernel.h" 00047 00048 namespace PLearn { 00049 using namespace std; 00050 00051 class WeightedQuadraticPolynomialKernel: public Kernel 00052 { 00053 typedef Kernel inherited; 00054 00055 public: 00056 00058 real alpha; 00060 real beta; 00061 00062 public: 00063 00065 WeightedQuadraticPolynomialKernel(real the_alph=1.0, real the_beta = 1.0, bool call_build_ = true); 00066 00067 PLEARN_DECLARE_OBJECT(WeightedQuadraticPolynomialKernel); 00068 00069 // Kernel methods. 00070 00071 virtual real evaluate(const Vec& x1, const Vec& x2) const; 00072 00073 // Object methods. 00074 00075 // Simply calls inherited::build() then build_(). 00076 virtual void build(); 00077 00079 virtual void makeDeepCopyFromShallowCopy(CopiesMap& copies); 00080 00081 protected: 00082 00084 static void declareOptions(OptionList &ol); 00085 00086 private: 00087 00089 void build_(); 00090 00091 }; 00092 00093 DECLARE_OBJECT_PTR(WeightedQuadraticPolynomialKernel); 00094 00095 } // end of namespace PLearn 00096 00097 #endif 00098 00099 00100 /* 00101 Local Variables: 00102 mode:c++ 00103 c-basic-offset:4 00104 c-file-style:"stroustrup" 00105 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00106 indent-tabs-mode:nil 00107 fill-column:79 00108 End: 00109 */ 00110 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :