HaloBufferNoOverlap.h

/*
 * HaloBufferNoOverlap.h
 *
 *  Created on: Apr 23, 2016
 *      Author: obi
 */
 
#ifndef HALOBUFFERNOOVERHEAD_H_
#define HALOBUFFERNOOVERHEAD_H_
 
template <class T> class HaloBufferNoOverlap {
public:
    HaloBufferNoOverlap(int xHaloSize, int yHaloSize, int zHaloSize);
    virtual ~~HaloBufferNoOverlap();
    void initOverlap();
    //void initNoOverlap(int xHaloSize, int yHaloSize, int zHaloSize);
    T * getFrontBuffer(){
        return _frontBuffer;
    }
    T * getBackBuffer(){
        return _backBuffer;
    }
    T * getTopBuffer(){
        return _topBuffer;
    }
    T * getBottomBuffer(){
        return _bottomBuffer;
    }
    T * getLeftBuffer(){
        return _leftBuffer;
    }
    T * getRightBuffer(){
        return _rightBuffer;
    }
    int  getXSize(){
        return _xHaloSize;
    }
    int  getYSize(){
        return _yHaloSize;
    }
    int  getZSize(){
        return _zHaloSize;
    }
 
    void clear();
private:
    T* _leftBuffer, * _rightBuffer, * _topBuffer, * _bottomBuffer, * _frontBuffer, * _backBuffer; //arrays for MPI halo transfer (send)
    int _xHaloSize,_yHaloSize,_zHaloSize;
 
 
};
 
#include <algorithm>
 
 
template <class T>
HaloBufferNoOverlap<T>::HaloBufferNoOverlap(int xHaloSize, int yHaloSize, int zHaloSize) {
    _xHaloSize = xHaloSize;
    _yHaloSize = yHaloSize;
    _zHaloSize = zHaloSize;
 
    _leftBuffer = new T[_xHaloSize];
    _rightBuffer = new T[_xHaloSize];
 
    _bottomBuffer = new T[_yHaloSize];
    _topBuffer = new T[_yHaloSize];
 
    _backBuffer = new T[_zHaloSize];
    _frontBuffer = new T[_zHaloSize];
}
 
template <class T>
HaloBufferNoOverlap<T>::~HaloBufferNoOverlap() {
    delete[] _leftBuffer;
    delete[] _rightBuffer;
    delete[] _bottomBuffer;
    delete[] _topBuffer;
    delete[] _backBuffer;
    delete[] _frontBuffer;
}
 
template <class T>
void HaloBufferNoOverlap<T>::clear(){
    std::fill(_leftBuffer, _leftBuffer + _xHaloSize , 0.0);
    std::fill(_rightBuffer, _rightBuffer + _xHaloSize , 0.0);
    std::fill(_frontBuffer, _frontBuffer + _zHaloSize, 0.0);
    std::fill(_backBuffer, _backBuffer + _zHaloSize, 0.0);
    std::fill(_topBuffer, _topBuffer + _yHaloSize, 0.0);
    std::fill(_bottomBuffer, _bottomBuffer + _yHaloSize, 0.0);
}
#endif /* HALOBUFFER_H_ */