convolutionFFT2D cufftPlan2d cufftExecR2C cufftExecC2R cufftDestroy whole ./ ../ ../../Common Image Processing CUFFT Library CUDA CUFFT DSP non-separable convolution finite impulse-response filter Image Processing cufft true main.cpp CUFFT 1:CUDA Advanced Topics 2:Image Processing 2:Computer Vision sm35 sm37 sm50 sm52 sm60 sm61 sm70 sm72 sm75 sm80 sm86 x86_64 linux windows7 x86_64 macosx arm ppc64le linux all exe