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IFFT
Perform inverse Fourier transform on complex array
IFFT OutputRealPartArray,OutputImaginaryPartArray,InputRealPartArray,InputImaginaryPartArray 
・All specified arrays must have the same number of elements, and the number of elements must be 2 to the power of n.
・The output and input arrangement may be the same.
Arguments
OutputRealPartArray,OutputImaginaryPartArray
Complex array of real and imaginary parts containing the result of the operation
InputRealPartArray,InputImaginaryPartArray
Complex array of real and imaginary parts to operate on
Example
DIM iR[1024],iI[1024]
DIM oR[1024],oI[1024]
IFFT oR,oI,iR,iI
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June 3, 2020
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