Perceptron.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
 * Copyright (C) 1999-2009 Fraunhofer Institute FIRST and Max-Planck-Society
 */

#ifndef _PERCEPTRON_H___
#define _PERCEPTRON_H___

#include <stdio.h>
#include <shogun/lib/common.h>
#include <shogun/features/DotFeatures.h>
#include <shogun/machine/LinearMachine.h>

namespace shogun
{
class CPerceptron : public CLinearMachine
{
    public:

        MACHINE_PROBLEM_TYPE(PT_BINARY);

        CPerceptron();

        CPerceptron(CDotFeatures* traindat, CLabels* trainlab);
        virtual ~CPerceptron();

        virtual EMachineType get_classifier_type() { return CT_PERCEPTRON; }

        inline void set_learn_rate(float64_t r)
        {
            learn_rate=r;
        }

        inline void set_max_iter(int32_t i)
        {
            max_iter=i;
        }

        void set_initialize_hyperplane(bool initialize_hyperplane);

        bool get_initialize_hyperplane();

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

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

    protected:
        float64_t learn_rate;
        int32_t max_iter;

    private:
        bool m_initialize_hyperplane;
};
}
#endif