SimplePreprocessor.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 _CSIMPLEPREPROC__H__
#define _CSIMPLEPREPROC__H__

#include <shogun/features/Features.h>
#include <shogun/features/SimpleFeatures.h>
#include <shogun/lib/common.h>
#include <shogun/preprocessor/Preprocessor.h>

namespace shogun
{
template <class ST> class CSimpleFeatures;

template <class ST> class CSimplePreprocessor : public CPreprocessor
{
    public:
        CSimplePreprocessor() : CPreprocessor() {}

        virtual SGMatrix<ST> apply_to_feature_matrix(CFeatures* features)=0;

        virtual SGVector<ST> apply_to_feature_vector(SGVector<ST> vector)=0;

        virtual inline EFeatureClass get_feature_class() { return C_SIMPLE; }
        virtual inline EFeatureType get_feature_type();

        virtual inline EPreprocessorType get_type() const { return P_UNKNOWN; }

};

template<> inline EFeatureType CSimplePreprocessor<float64_t>::get_feature_type()
{
    return F_DREAL;
}

template<> inline EFeatureType CSimplePreprocessor<int16_t>::get_feature_type()
{
    return F_SHORT;
}

template<> inline EFeatureType CSimplePreprocessor<uint16_t>::get_feature_type()
{
    return F_WORD;
}

template<> inline EFeatureType CSimplePreprocessor<char>::get_feature_type()
{
    return F_CHAR;
}

template<> inline EFeatureType CSimplePreprocessor<uint8_t>::get_feature_type()
{
    return F_BYTE;
}

template<> inline EFeatureType CSimplePreprocessor<uint64_t>::get_feature_type()
{
    return F_ULONG;
}
}
#endif