djbfft: Djbfft (Fast Fourier Transformation Library)
djbfft:
djbfft: Djbfft provides power-of-2 complex FFTs, real FFTs at  twice the speed
djbfft: and fast multiplication of complex arrays. Single precision and double
djbfft: precision are equally supported.
djbfft:
djbfft:
djbfft:
djbfft:
djbfft:
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