managedCuda | ManagedCUDA aims an easy integration | GPU library
kandi X-RAY | managedCuda Summary
kandi X-RAY | managedCuda Summary
ManagedCUDA aims an easy integration of NVidia's CUDA in .net applications written in C#, Visual Basic or any other .net language.
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QUESTION
So simple 3D fft-ifft pair on array of complex values code here:
...ANSWER
Answered 2020-May-18 at 16:33You have a non-normalized FFT/IFFT pair. Each iteration the values of the array grow by a factor of N
(the number of samples in the array).
Usually it is the inverse transform that has a 1/N
factor in it, but some implementations put that factor in the forward transform, or split it by adding a factor 1/sqrt(N)
to both transforms.
Some implementations just want to be fast and leave out the normalization to save N
multiplications. You seem to have one of these implementations. You will have to add the normalization yourself.
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