galois v0.4.11

Released May 2, 2026

Fixes

• Fixed bug in Poly.equal_degree_factors() for characteristic 2, causing very slow performance. (#655)
• Fixed bug in galois.perfect_power(). (#656)
• Fixed bug to prevent int64 overflow in lookup-table exponentiation. (#656)
• Fixed bug to use distinct prime bases in galois.miller_rabin_primality_test(). (#656)

Contributors

• Bas Westerbaan (@bwesterb)
• David Hotham (@dimbleby)
• Matt Hostetter (@mhostetter)

galois v0.4.10

Released January 1, 2026

Breaking changes

• Deprecated galois.Field() for removal in v0.5.0. (#633)

Features

• Make FieldArray subclasses hashable based on their properties. (#639)
• Improved FFT speed (~1.6x speedup) in np.fft.fft() with mixed-radix Cooley-Tukey algorithm. (#620)

Fixes

• Fixed bug where FieldArray instances couldn't be unpickled if the FieldArray class had not yet be created. (#639)

Contributors

• Frank Yellin (@fyellin)
• Matt Hostetter (@mhostetter)

galois v0.4.9

Released December 21, 2025

Changes

• Added support for Python 3.14.
• Added future-proofing for upcoming NumPy 2.4 support. (#637)

Contributors

• Iyán Méndez Veiga (@iyanmv)
• Matt Hostetter (@mhostetter)

galois v0.4.8

Released December 17, 2025

Changes

• Added erasure decoding to BCH and Reed-Solomon codes. (#621)
• Added computation of the minimal polynomial of a square matrix. (#621)
• Added the Möbius function in galois.mobius(). (#621)
• Added normal element functions galois.normal_element(), galois.normal_elements(), and
  galois.is_normal_element(). (#621)
• Added galois.Poly.Like() constructor. (#621)
• Added support for N-d matrix multiplication. (#621)
• Fixed minor bugs.

Contributors

• Matt Hostetter (@mhostetter)

galois v0.4.7

Released November 7, 2025

Changes

• Added support for Numba 0.62. (#618)
• Added support for shortened non-systematic BCH and ReedSolomon codes. (#607)

Contributors

• @fyellin
• Matt Hostetter (@mhostetter)

galois v0.4.6

Released April 30, 2025

Changes

• Improved performance further of linear algebra over finite fields with prime order. (#598)
• Improved TypeError description for arithmetic on FieldArray instances with same order but different irreducible polynomials. (#602)
• Fixed bug in .log() of scalar 0-dim FieldArrays. (#600)
• Fixed bug in typing of IterableLike, which didn't support lists of NDArray. (#602)

Contributors

• @fyellin
• @rafaelha
• Matt Hostetter (@mhostetter)

galois v0.4.5

Released April 13, 2025

Changes

• Improved performance of linear algebra over finite fields with prime order. This is achieved by using floating-point
  BLAS implementations, where possible. A 10-100x performance improvement is seen. (#596)
• Upgraded documentation styling.

Contributors

• Bogdan Reznychenko (@theodotk)
• @rafaelha
• Matt Hostetter (@mhostetter)

galois v0.4.4

Released January 21, 2025

Changes

• Added support for Python 3.13. (#587)
• Added support for NumPy 2.1. (#587)
• Added support for Numba 0.61. (#587)

Contributors

• Matt Hostetter (@mhostetter)

galois v0.4.3

Released December 9, 2024

Changes

• Fixed occasional bug in polynomial modular exponentiation. (#575)
• Fixed occasional bug in square root calculation in extension fields with even degree. (#573)

Contributors

• TDQuering (@TDQuering)
• maple (@maple3142)
• Matt Hostetter (@mhostetter)

galois v0.4.2

Released September 5, 2024

Changes

• Added support for NumPy 2.1. (#567)
  • Correction: NumPy 2.1 is still unsupported because Numba 0.60 doesn't include support.

Contributors

• Matt Hostetter (@mhostetter)