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+FFTW is a C subroutine library for computing the Discrete Fourier Transform
+(DFT) in one or more dimensions, of both real and complex data, and of
+arbitrary input size. We believe that FFTW, which is free software, should
+become the FFT library of choice for most applications. Our benchmarks,
+performed on on a variety of platforms, show that FFTW's performance is
+typically superior to that of other publicly available FFT software.
+Moreover, FFTW's performance is portable: the program will perform well on
+most architectures without modification.
- FFTW, the Fastest Fourier Transform in the West. FFTW is a comprehensive
- collection of fast C routines for computing the discrete Fourier transform
- (DFT) in one or more dimensions, of both real and complex data, and of
- arbitrary input size. FFTW also includes parallel transforms, documented
- elsewhere. We assume herein that the reader is already familiar with the
- properties and uses of the DFT that are relevant to her application.
- Otherwise, see e.g. `The Fast Fourier Transform' by E. O. Brigham
- (Prentice-Hall, Englewood Cliffs, NJ, 1974). Our web page also has links to
- FFT-related information online, see
-
- http://theory.lcs.mit.edu/~fftw
+The FFTW package was developed at MIT by Matteo Frigo and Steven G.
+Johnson. Please send email to fftw@theory.lcs.mit.edu so that we can keep
+track of users and send you information about new releases. The latest
+version of FFTW, benchmarks, links, and other information can be found at
+the FFTW home page: http://theory.lcs.mit.edu/~fftw