DomainAdaptationMulticlassLibLinear.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) 2012 Sergey Lisitsyn
 * Copyright (C) 2012 Sergey Lisitsyn
 */

#ifndef _DOMAINADAPTATIONMULTICLASSLIBLINEAR_H___
#define _DOMAINADAPTATIONMULTICLASSLIBLINEAR_H___
#include <shogun/lib/config.h>
#ifdef HAVE_LAPACK
#include <shogun/multiclass/MulticlassLibLinear.h>

namespace shogun
{

class CDomainAdaptationMulticlassLibLinear : public CMulticlassLibLinear
{
    public:
        CDomainAdaptationMulticlassLibLinear();

        CDomainAdaptationMulticlassLibLinear(float64_t target_C,
                CDotFeatures* target_features, CLabels* target_labels,
                CLinearMulticlassMachine* source_machine);

        virtual ~CDomainAdaptationMulticlassLibLinear();

        virtual CBinaryLabels* get_submachine_outputs(int32_t);

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

        float64_t get_source_bias() const;
        void set_source_bias(float64_t source_bias);

        float64_t get_train_factor() const;
        void set_train_factor(float64_t train_factor);

        CLinearMulticlassMachine* get_source_machine() const;
        void set_source_machine(CLinearMulticlassMachine* source_machine);

protected:

        virtual SGMatrix<float64_t> obtain_regularizer_matrix() const;

private:

        void init_defaults();

        void register_parameters();

protected:

        float64_t m_train_factor;

        float64_t m_source_bias;

        CLinearMulticlassMachine* m_source_machine;
};
}
#endif /* HAVE_LAPACK */
#endif