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Changelog

All notable changes to pentapy will be documented in this file.

2.0.0 - 2024-06

See #27

Breaking Changes

  • fully parallelized the Cython implementation of PTRANS-I and PTRANS-II for single and multiple right-hand sides support that can now be enabled via the new workers parameter in pentapy.solve (default: 1)
  • fully typed the pentapy.tools module
  • updated the Cython low level interfaces to PTRANS-I and PTRANS-II to only accept C-contiguous arrays (not backwards compatible)

1.4.0 - 2024-06

See #26

Enhancements

  • added support for multiple right-hand sides (currently serial)
  • improved error handling and added debug information to error messages

Changes

  • shotgun refactored and documented the Cython implementation of PTRANS-I and PTRANS-II for single and multiple right-hand sides support
  • fully typed the function pentapy.solve
  • made internal solver alias handling of pentapy.solve smarter, more robust, and removed all duplicate code
  • gave all solvers a consistent interface
  • made code in pentapy.core more human-readable and maintainable and added comments
  • fixed typos in documentation

Bugfixes

  • fixed error handling in case of zero-division to trigger dead error handling branch (see Issue 23)
  • fixed edge case error for row/column of 3 (see Issue 24)

Tests

  • transitioned from unittest-based testing to fully pytest-based testing with parametrized and parallelized exhaustive testing (see Issue 25)
  • made actual tests more meaningful by comparing them to LAPACK as reference standard (see Issue 25)
  • included external solver bindings accessible via pentapy.solve as part of the test suite
  • increased true coverage (not line-hit coverage) close to 100%

Packaging

  • made dependency specification file-based and dynamic

1.3.0 - 2024-04

See #21

Enhancements

  • added support for python 3.12
  • added support for numpy 2
  • build extensions with numpy 2 and cython 3

Changes

  • dropped python 3.7 support
  • dropped 32bit builds
  • linted cython files
  • increase maximal line length to 88 (black default)

1.2.0 - 2023-04

See #19

Enhancements

  • added support for python 3.10 and 3.11
  • add wheels for arm64 systems
  • created solver.pxd file to be able to cimport the solver module
  • added a CITATION.bib file

Changes

  • move to src/ based package structure
  • dropped python 3.6 support
  • move meta-data to pyproject.toml
  • simplified documentation

Bugfixes

  • determine correct version when installing from archive

1.1.2 - 2021-07

Changes

  • new package structure with pyproject.toml (#15)
  • Sphinx-Gallery for Examples
  • Repository restructuring: use a single main branch
  • use np.asarray in solve to speed up computation (#17)

1.1.1 - 2021-02

Enhancements

  • Python 3.9 support

Changes

  • GitHub Actions for CI

1.1.0 - 2020-03-22

Enhancements

  • Python 3.8 support

Changes

  • python only builds are no longer available
  • Python 2.7 and 3.4 support dropped

1.0.3 - 2019-11-10

Enhancements

  • the algorithms PTRANS-I and PTRANS-II now raise a warning when they can not solve the given system
  • there are now switches to install scipy and umf solvers as extra requirements

Bugfixes

  • multiple minor bugfixes

1.0.0 - 2019-09-18

Enhancements

  • the second algorithm PTRANS-II from Askar et al. 2015 is now implemented and can be used by solver=2
  • the package is now tested and a coverage is calculated
  • there are now pre-built binaries for Python 3.7
  • the documentation is now available under https://geostat-framework.readthedocs.io/projects/pentapy

Changes

  • pentapy is now licensed under the MIT license

0.1.1 - 2019-03-08

Bugfixes

  • MANIFEST.in was missing in the 0.1.0 version

0.1.0 - 2019-03-07

This is the first release of pentapy, a python toolbox for solving pentadiagonal linear equation systems. The solver is implemented in cython, which makes it really fast.