finufft
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Principal author Alex H. Barnett, main co-developers Jeremy F. Magland, Ludvig af Klinteberg, Yu-hsuan "Melody" Shih, Andrea Malleo, Libin Lu, Joakim Andén, Marco Barbone, and Robert Blackwell.
This package provides a Python interface to the CPU library, enabling fast computation of nonuniform discrete Fourier transforms to specified precision in one, two, and three dimensions. It supports transforms of type 1 (nonuniform to uniform), type 2 (uniform to nonuniform) and type 3 (nonuniform to nonuniform). For more information, see the online documentation.
If you find FINUFFT useful in your work, please cite this package and our paper:
A parallel non-uniform fast Fourier transform library based on an ``exponential of semicircle'' kernel.
A. H. Barnett, J. F. Magland, and L. af Klinteberg.
SIAM J. Sci. Comput. 41(5), C479–C504 (2019).
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Python interface to FINUFFT
We found that finufft demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 3 open source maintainers collaborating on the project.
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