Method getWorkSizes

src/library/generator.copy.cpp:582–616

}

clfftStatus FFTGeneratedCopyAction::getWorkSizes (std::vector<size_t> & globalWS, std::vector<size_t> & localWS)
{
	bool h2c, c2h;
	h2c = (	(this->signature.fft_inputLayout == CLFFT_HERMITIAN_PLANAR) || (this->signature.fft_inputLayout == CLFFT_HERMITIAN_INTERLEAVED) );
	c2h = (	(this->signature.fft_outputLayout == CLFFT_HERMITIAN_PLANAR) || (this->signature.fft_outputLayout == CLFFT_HERMITIAN_INTERLEAVED) );

	bool general = !(h2c || c2h);

	size_t count = this->plan->batchsize;

	switch(this->signature.fft_DataDim)
	{
	case 5: assert(false);
	case 4: count *= this->signature.fft_N[2];
	case 3: count *= this->signature.fft_N[1];
	case 2:
			{
				if(general)
				{
					count *= 64;
				}
				else
				{
					count *= (DivRoundingUp<size_t>((1 + this->signature.fft_N[0]/2), 64) * 64); 
				}
			}
			break;
	case 1: assert(false);
	}

	globalWS.push_back( count );
    localWS.push_back( 64 );

    return    CLFFT_SUCCESS;
}


using namespace CopyGenerator;