LibSVM.h

Go to the documentation of this file.

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Written (W) 1999-2009 Soeren Sonnenburg
 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
 */

#ifndef _LIBSVM_H___
#define _LIBSVM_H___

#include <shogun/lib/common.h>
#include <shogun/classifier/svm/SVM.h>
#include <shogun/classifier/svm/SVM_libsvm.h>

namespace shogun
{
#ifndef DOXYGEN_SHOULD_SKIP_THIS
enum LIBSVM_SOLVER_TYPE
{
    LIBSVM_C_SVC = 1,
    LIBSVM_NU_SVC = 2
};
#endif

class CLibSVM : public CSVM
{
    public:
        CLibSVM(LIBSVM_SOLVER_TYPE st=LIBSVM_C_SVC);

        CLibSVM(float64_t C, CKernel* k, CLabels* lab);

        virtual ~CLibSVM();

        virtual inline EClassifierType get_classifier_type() { return CT_LIBSVM; }

        inline virtual const char* get_name() const { return "LibSVM"; }

    protected:
        virtual bool train_machine(CFeatures* data=NULL);

    protected:
        svm_problem problem;
        svm_parameter param;
        struct svm_model* model;

        LIBSVM_SOLVER_TYPE solver_type;
};
}
#endif