PLearn 0.1
CompactVMatrixPolynomialKernel.h
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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 and University of Montreal
00006 //
00007 
00008 // Redistribution and use in source and binary forms, with or without
00009 // modification, are permitted provided that the following conditions are met:
00010 // 
00011 //  1. Redistributions of source code must retain the above copyright
00012 //     notice, this list of conditions and the following disclaimer.
00013 // 
00014 //  2. Redistributions in binary form must reproduce the above copyright
00015 //     notice, this list of conditions and the following disclaimer in the
00016 //     documentation and/or other materials provided with the distribution.
00017 // 
00018 //  3. The name of the authors may not be used to endorse or promote
00019 //     products derived from this software without specific prior written
00020 //     permission.
00021 // 
00022 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00023 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00024 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00025 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00026 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00027 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00028 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00029 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00030 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00031 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00032 // 
00033 // This file is part of the PLearn library. For more information on the PLearn
00034 // library, go to the PLearn Web site at www.plearn.org
00035 
00036 
00037 /* *******************************************************      
00038  * $Id: CompactVMatrixPolynomialKernel.h 8233 2007-11-07 20:54:27Z nouiz $
00039  * This file is part of the PLearn library.
00040  ******************************************************* */
00041 
00042 
00045 #ifndef CompactVMatrixPolynomialKernel_INC
00046 #define CompactVMatrixPolynomialKernel_INC
00047 
00048 #include "Kernel.h"
00049 #include <plearn/vmat/CompactVMatrix.h>
00050 
00051 namespace PLearn {
00052 using namespace std;
00053 
00059 class CompactVMatrixPolynomialKernel: public Kernel
00060 {
00061     typedef Kernel inherited;
00062                 
00063 protected:
00064     int n; 
00065     real beta; 
00066     PP<CompactVMatrix> m;
00067 public:
00068     CompactVMatrixPolynomialKernel()
00069         : n(), beta() {}
00070     CompactVMatrixPolynomialKernel(int degree, PP<CompactVMatrix>& vm, real the_beta=1.0)
00071         : n(degree), beta(the_beta), m(vm) {}
00072 
00073     PLEARN_DECLARE_OBJECT(CompactVMatrixPolynomialKernel);
00074 
00075     virtual real evaluate(const Vec& x1, const Vec& x2) const;    
00076 
00077 protected:
00079     static void declareOptions(OptionList &ol);
00080 };
00081 
00082 DECLARE_OBJECT_PTR(CompactVMatrixPolynomialKernel);
00083 
00084 } // end of namespace PLearn
00085 
00086 #endif
00087 
00088 
00089 /*
00090   Local Variables:
00091   mode:c++
00092   c-basic-offset:4
00093   c-file-style:"stroustrup"
00094   c-file-offsets:((innamespace . 0)(inline-open . 0))
00095   indent-tabs-mode:nil
00096   fill-column:79
00097   End:
00098 */
00099 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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