fftw

Install command:
brew install fftw

C routines to compute the Discrete Fourier Transform

https://fftw.org

License: GPL-2.0-or-later AND BSD-2-Clause

Development: Pull requests

Formula JSON API: /api/formula/fftw.json

Formula code: fftw.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon
golden gate ✅
tahoe ✅
sequoia ✅
sonoma ✅
macOS on
Intel
sonoma ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 3.3.11

Depends on:

libomp 23.1.5 LLVM's OpenMP runtime library

Depends on when building from source:

open-mpi 5.0.11 High performance message passing library

Binaries: fftw-wisdom, fftw-wisdom-to-conf, fftwf-wisdom, fftwl-wisdom

GitHub Packages downloads:

Last 30 days108,084
Downloads3,861,804
Analytics install events (30 days)7,753
Downloads / install events (30 days)13.9×

Source: GitHub Packages, fetched 2026-11-11T00:51:24Z. Analytics dates: 2026-10-12 to 2026-11-11. Totals exclude downloads from Bintray before the migration to GitHub Packages. Downloads and install attempts measure different things; the difference does not count analytics opt-outs. Definitions and limitations.

Analytics:

30 days90 days365 days
Installs7,75218,66998,102
Installs (--HEAD)1321
Installs on Request5421,60313,112
Installs on Request (--HEAD)1321
Build Errors3