FFTPACK

FFTPACK
FFTPACK
Developer	Paul N. Swarztrauber
Initial release	April 1985
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Written in	Fortran
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Type	Numerical software
License	public domain
Website	www.netlib.org/fftpack/

FFTPACK is a package of Fortran subroutines for the fast Fourier transform. It includes complex, real, sine, cosine, and quarter-wave transforms. It was developed by Paul Swarztrauber of the National Center for Atmospheric Research, and is included in the general-purpose mathematical library SLATEC.

Much of the package is also available in C and Java translations.

References

Official website
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