FFTAccelerationAPI.h

/*
 * FFTAcceleration.h
 *
 *  Created on: Feb 05, 2016
 *      Author: gallardjm
 */
#ifndef FFTACC_H_
#define FFTACC_H_
 
#include <stdexcept>
 
#include "bhfmm/fft/FFTDataContainer.h"
#include "bhfmm/fft/FFTAccelerableExpansion.h"
 
class FFTAccelerationAPI {
 
public:
 
    virtual ~FFTAccelerationAPI() {
    }
 
    //Initialization, to be done before the M2L
 
    virtual void FFT_initialize_Source(FFTAccelerableExpansion & Expansion,
            double radius) =0;
 
    virtual void FFT_initialize_Target(FFTAccelerableExpansion & Expansion) =0;
 
    virtual void FFT_initialize_TransferFunction(
            FFTAccelerableExpansion & Expansion) =0;
 
    //M2L operator, with and without vectorization
    virtual void FFT_M2L(FFTAccelerableExpansion & Source,
            FFTAccelerableExpansion & Target,
            FFTDataContainer* TransferFunction) =0;
 
    virtual void FFT_M2L_vec(FFTAccelerableExpansion & Source,
            FFTAccelerableExpansion & Target,
            FFTDataContainer* TransferFunction) =0;
 
    //Finalize method, to use after the M2L operations on each target
    virtual void FFT_finalize_Target(FFTAccelerableExpansion & Expansion,
            double radius) =0;
 
protected:
    int _p;      
    int _fft_nx; 
    int _fft_ny; 
};
 
#endif