FFTW 3.3

Free
C subroutine library for computing the discrete Fourier transform .
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3.3.7 See all
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FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions, of arbitrary input size, and of both real and complex data (as well as of even/odd data, i.e. the discrete cosine/sine transforms or DCT/DST). Developers believe that FFTW, which is free software, should become the FFT library of choice for most applications.

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