LibSVR.h

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/*
 * 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
 * Written (W) 2013 Heiko Strathmann
 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
 */

#ifndef _LIBSVR_H___
#define _LIBSVR_H___

#include <stdio.h>

#include <shogun/lib/common.h>
#include <shogun/classifier/svm/SVM.h>
#include <shogun/lib/external/shogun_libsvm.h>
#include <shogun/regression/Regression.h>

namespace shogun
{
#ifndef DOXYGEN_SHOULD_SKIP_THIS
enum LIBSVR_SOLVER_TYPE
{
    LIBSVR_EPSILON_SVR = 1,
    LIBSVR_NU_SVR = 2
};
#endif
class CLibSVR : public CSVM
{
    public:
        MACHINE_PROBLEM_TYPE(PT_REGRESSION);

        CLibSVR();

        CLibSVR(float64_t C, float64_t svr_param, CKernel* k, CLabels* lab,
                LIBSVR_SOLVER_TYPE st=LIBSVR_EPSILON_SVR);

        virtual ~CLibSVR();

        virtual EMachineType get_classifier_type();

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

    protected:
        virtual bool train_machine(CFeatures* data=NULL);
    protected:
        svm_problem problem;
        svm_parameter param;

        struct svm_model* model;

        LIBSVR_SOLVER_TYPE solver_type;
};
}
#endif