RealFileFeatures.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 _DREALFILEFEATURES__H__
#define _DREALFILEFEATURES__H__

#include <shogun/lib/config.h>

#include <shogun/lib/common.h>
#include <shogun/features/DenseFeatures.h>

namespace shogun
{
class CRealFileFeatures: public CDenseFeatures<float64_t>
{
    public:
        CRealFileFeatures();

        CRealFileFeatures(int32_t size, FILE* file);

        CRealFileFeatures(int32_t size, char* filename);

        CRealFileFeatures(const CRealFileFeatures& orig);

        virtual ~CRealFileFeatures();

        virtual float64_t* load_feature_matrix();

        int32_t get_label(int32_t idx);

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

    protected:
        virtual float64_t* compute_feature_vector(
            int32_t num, int32_t& len, float64_t* target=NULL);

        bool load_base_data();

    private:
        void init();

    protected:
        FILE* working_file;
        char* working_filename;
        bool status;
        int32_t* labels;

        uint8_t intlen;
        uint8_t doublelen;
        uint32_t endian;
        uint32_t fourcc;
        uint32_t preprocd;
        int64_t filepos;
};
}
#endif