PLearn 0.1
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00001 // -*- C++ -*- 00002 00003 // PLearn (A C++ Machine Learning Library) 00004 // Copyright (C) 2007 Jerome Louradour 00005 00006 // Redistribution and use in source and binary forms, with or without 00007 // modification, are permitted provided that the following conditions are met: 00008 // 00009 // 1. Redistributions of source code must retain the above copyright 00010 // notice, this list of conditions and the following disclaimer. 00011 // 00012 // 2. Redistributions in binary form must reproduce the above copyright 00013 // notice, this list of conditions and the following disclaimer in the 00014 // documentation and/or other materials provided with the distribution. 00015 // 00016 // 3. The name of the authors may not be used to endorse or promote 00017 // products derived from this software without specific prior written 00018 // permission. 00019 // 00020 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 00021 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00022 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 00023 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00024 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00025 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00026 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00027 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00028 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00029 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00030 // 00031 // This file is part of the PLearn library. For more information on the PLearn 00032 // library, go to the PLearn Web site at www.plearn.org 00033 00034 00035 /* ******************************************************* 00036 * $Id: CosKernel.h 7664 2007-06-28 19:47:30Z nouiz $ 00037 * This file is part of the PLearn library. 00038 ******************************************************* */ 00039 00040 #ifndef CosKernel_INC 00041 #define CosKernel_INC 00042 00043 #include "DistanceKernel.h" 00044 00045 namespace PLearn { 00046 using namespace std; 00047 00049 class CosKernel: public DistanceKernel 00050 { 00051 00052 private: 00053 00054 typedef DistanceKernel inherited; 00055 00056 protected: 00057 00058 public: 00059 00060 CosKernel(); 00061 00062 PLEARN_DECLARE_OBJECT(CosKernel); 00063 00064 virtual real evaluate(const Vec& x1, const Vec& x2) const; 00065 virtual real evaluate_i_j(int i, int j) const; 00066 00067 00068 protected: 00069 static void declareOptions(OptionList& ol); 00070 }; 00071 00072 DECLARE_OBJECT_PTR(CosKernel); 00073 00074 } // end of namespace PLearn 00075 00076 #endif 00077 00078 00079 /* 00080 Local Variables: 00081 mode:c++ 00082 c-basic-offset:4 00083 c-file-style:"stroustrup" 00084 c-file-offsets:((innamespace . 0)(inline-open . 0)) 00085 indent-tabs-mode:nil 00086 fill-column:79 00087 End: 00088 */ 00089 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :