PLearn 0.1
CosKernel.h
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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 :
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