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

#ifndef MULTICLASSMULTIPLEOUTPUTLABELS_H_
#define MULTICLASSMULTIPLEOUTPUTLABELS_H_

#include <shogun/labels/Labels.h>
#include <shogun/labels/LabelTypes.h>
#include <shogun/lib/DynamicObjectArray.h>

namespace shogun 
{
class CMulticlassMultipleOutputLabels : public CLabels
{

    public:
        CMulticlassMultipleOutputLabels();

        CMulticlassMultipleOutputLabels(int32_t num_labels);

        virtual ~CMulticlassMultipleOutputLabels();

        static CMulticlassMultipleOutputLabels* obtain_from_generic(CLabels* base_labels);

        virtual void ensure_valid(const char* context = NULL);

        SGMatrix<index_t> get_labels() const;
        
        SGVector<index_t> get_label(int32_t idx);

        bool set_label(int32_t idx, SGVector<index_t> label);

        virtual int32_t get_num_labels();

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

        virtual ELabelType get_label_type() { return LT_MULTICLASS_MULTIPLE_OUTPUT; }

    private:
        void init();

    protected:
        SGVector<index_t>* m_labels;
        int32_t m_n_labels;

};
}
#endif