hankl is a lightweight Python implementation of the FFTLog algorithm for Cosmology

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Getting Started

  • See the Installation page for instruction on how to easily install hankl.
  • See the User Guide and API page for detailed User Manual and API documentation.
  • See the Examples page for a couple simple examples.


  • Please cite arXiv:2106.06331 if you find this code useful in your research:

    title={hankl: A lightweight Python implementation of the FFTLog algorithm for Cosmology},
    author={Karamanis, Minas and Beutler, Florian},
    journal={arXiv preprint arXiv:2106.06331},


Copyright 2020-now Minas Karamanis and contributors.

hankl is free software made available under the GPL-3.0 License.


1.1.0 (17/07/20)

  • Added preprocessing and extrapolation tools.

1.0.0 (01/07/20)

  • Initial version release.


We welcome all contributions to hankl via Pull Requests. Let us know about any issues or questions about hankl.