DiffusionMaps.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) 2011-2013 Sergey Lisitsyn
 * Copyright (C) 2011-2013 Berlin Institute of Technology and Max-Planck-Society
 */

#ifndef DIFFUSIONMAPS_H_
#define DIFFUSIONMAPS_H_
#include <shogun/lib/config.h>
#include <shogun/converter/EmbeddingConverter.h>
#ifdef HAVE_EIGEN3
#include <shogun/features/Features.h>
#include <shogun/kernel/Kernel.h>

namespace shogun
{

class CFeatures;
class CKernel;

class CDiffusionMaps: public CEmbeddingConverter
{
public:

    CDiffusionMaps();

    virtual ~CDiffusionMaps();

    virtual CFeatures* apply(CFeatures* features);

    virtual CDenseFeatures<float64_t>* embed_distance(CDistance* distance);

    void set_t(int32_t t);

    int32_t get_t() const;

    void set_width(float64_t width);

    float64_t get_width() const;

    virtual const char* get_name() const;

protected:

    void init();

protected:

    int32_t m_t;

    float64_t m_width;

};
}

#endif /* HAVE_LAPACK */
#endif /* DIFFUSIONMAPS_H_ */