spdatasource.h

Gaussian Mixture Algorithm

/***************************************************************************
 *   Copyright (C) 2008 by Cyril Poulet   *
 *   [e-mail]   *
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Redistribution under a license not approved by the Open Source
 *       Initiative (http://www.opensource.org) must display the
 *       following acknowledgement in all advertising material:
 *        This product includes software developed at the Courant
 *        Institute of Mathematical Sciences (http://cims.nyu.edu).
 *     * The names of the authors may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL ThE AUTHORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ***************************************************************************/

#ifndef SPDATASOURCE_H_
#define SPDATASOURCE_H_

#include "libspidx.h"
#include "libeblearn.h"
#include "spEbm.h"

namespace ebl {

template<class I, class L> class spLabeledDataSource : public LabeledDataSource<I, L> {

	/**************************************
	 * a new subclass of the LabeledDataSource
	 * It doesn't use iterators, since these haven't been
	 * created for spIdxs
	 */

protected:
	intg index;
    spIdx<I> *data;
    Idx<L> *labels;

public:
	spLabeledDataSource(spIdx<I> *inputs, Idx<L> *labels);
	virtual ~spLabeledDataSource() {};

    void virtual fprop(state_spidx *datum, Idx<L> *label);

    //! Move to the next datum.
    virtual void next();

    //! Move to the beginning of the data.
    virtual void seek_begin();

    virtual int tell(){return index;}

    virtual int size(){return data->dim(0);}
};

}

#include "spDataSource.hpp"

#endif /* SPDATASOURCE_H_ */