pyNFFT3

Python interface for the NFFT C library. Based on the existing Julia interface.

pyNFFT3 provides the following fast algorithms and includes test scripts and dependencies for each:

• nonequispaced fast Fourier transform (NFFT)
• nonequispaced fast cosine transform (NFCT)
• nonequispaced fast sine transform (NFST)
• nonequispaced fast spherical Fourier transforms (NFSFT)
• fast spherical Fourier transforms (FSFT)
• fast summation (fastsum)

Getting started

The pyNFFT3 package can be installed via pip:

pip install pyNFFT3

Read the documentation for specific usage information.

Requirements

• Python 3.8 or greater
• Numpy 2.0.0 or greater
• py-cpuinfo 9.0.0 or greater
• packaging 24.1 or greater