FFTW may refer to:
The Fastest Fourier Transform in the West (FFTW) is a software library for computing discrete Fourier transforms (DFTs) developed by Matteo Frigo and Steven
since its creation; for example, MIT offers four licensing options for the FFTW C source code library, one of which is the GPL v2.0 and the other three of
individual terms of the discrete Fourier transform FFT implementations: FFTW – a free software library developed by Matteo Frigo and Steven G. Johnson
applied mathematician and physicist known for being a co-creator of the FFTW library for software-based fast Fourier transforms and for his work on photonic
LAPACK and FFT routines (FFTW not required); ACML (AMD Core Math Library) - includes BLAS, LAPACK and FFT routines (FFTW not required). It is possible
Fischer Francis Trees & Watts (FFTW) was an asset management firm based in New York, established in 1972 and fully owned by BNP Paribas since 2006. It
fftw.org. 2006-06-20. "1.6 GHz Pentium M (Banias), GNU compilers". fftw.org. 2006-06-20. "3.0 GHz Intel Core Duo, Intel compilers, 32-bit mode". fftw
approximation of 8x8 IDCT (ISO/IEC 23002-2) Matteo Frigo and Steven G. Johnson: FFTW, FFTW Home Page. A free (GPL) C library that can compute fast DCTs (types I-IV)
