FFTPACK
FFTPACK is a free, portable library of Fortran routines for computing
the one-dimensional fast Fourier transform of the following sequences:
real, complex, quarter sine, quarter cosine, sine, and cosine.
FFTPACK was developed at NCAR.
Recommendation: Use FFTPACK version 4.1 for portability, ease of usage,
and because it is freely available in the public domain. If you need multiple
or multiple-dimensioned FFTS, please check the other FFT libraries mentioned
in "NCAR's Mathematical and Statistical Libraries".
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Usage documentation is available in SCD's
FFTPACK source directory,
as comment lines in the Fortran source files. Overview documentation is
available in the README file in the FFTPACK source directory.
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You may obtain Fortran source code from the FFTPACK source directory.
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The FFTPACK binary library is available to NCAR computer users, for linking
and running with Fortran programs, on some of SCD's compute-servers. See
"SCD Computers, Products, and Libraries" for the names of those computers.
If you have questions about linking the binary library on these NCAR systems,
please see
"Linking SCD's Local Fortran Math Libraries".
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