#ifndef OPENMM_BROOKFLOATSTREAMIMPL_H_
#define OPENMM_BROOKFLOATSTREAMIMPL_H_

/* -------------------------------------------------------------------------- *
 *                                   OpenMM                                   *
 * -------------------------------------------------------------------------- *
 * This is part of the OpenMM molecular simulation toolkit originating from   *
 * Simbios, the NIH National Center for Physics-Based Simulation of           *
 * Biological Structures at Stanford, funded under the NIH Roadmap for        *
 * Medical Research, grant U54 GM072970. See https://simtk.org.               *
 *                                                                            *
 * Portions copyright ( c ) 2008 Stanford University and the Authors.           *
 * Authors: Peter Eastman, Mark Friedrichs                                    *
 * Contributors:                                                              *
 *                                                                            *
 * Permission is hereby granted, free of charge, to any person obtaining a    *
 * copy of this software and associated documentation files ( the "Software" ), *
 * to deal in the Software without restriction, including without limitation  *
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,   *
 * and/or sell copies of the Software, and to permit persons to whom the      *
 * Software is furnished to do so, subject to the following conditions:       *
 *                                                                            *
 * The above copyright notice and this permission notice shall be included in *
 * all copies or substantial portions of the Software.                        *
 *                                                                            *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   *
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    *
 * THE AUTHORS, CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,    *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR      *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE  *
 * USE OR OTHER DEALINGS IN THE SOFTWARE.                                     *
 * -------------------------------------------------------------------------- */

#include "StreamImpl.h"
#include "BrookPlatform.h"
#include <brook/brook.hpp>
#include "SimTKUtilities/SimTKOpenMMRealType.h"

namespace OpenMM {

/**
 * This is the implementation of Float and Double streams in the Brook Platform.
 */

class BrookFloatStreamImpl : public StreamImpl {

   public:

      BrookFloatStreamImpl( std::string name, int size, Stream::DataType type, const Platform& platform, int inputStreamWidth, double defaultDangleValue );

      ~BrookFloatStreamImpl(  );
      void loadFromArray( const void* array );
      void loadFromArray( const void* array, Stream::DataType type );
      void saveToArray( void* array );
      void fillWithValue( void* value );
      const RealOpenMM* const * getData( ) const;
      RealOpenMM** getData( void );

      /** 
       * Get width
       * 
       * @return width
       */

      int BrookFloatStreamImpl::getWidth( void ) const;
    
      int getStreamWidth( void ) const;
      int getStreamHeight( void ) const;
      int getStreamSize( void ) const;

      brook::stream& getBrookStream( void );

   private:

      int _width;
      int _streamWidth;
      int _streamHeight;
  
      float _defaultDangleValue;
      Stream::DataType _baseType;
      brook::stream _aStream;
      float** _data;
      RealOpenMM** _realOpenMMData;
  
      void _loadDanglingValues( void  );
      void _loadDanglingValues( float );
};

} // namespace OpenMM

#endif /*OPENMM_BROOKFLOATSTREAMIMPL_H_*/