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CHANGELOG.md

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Changelog

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

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

1.2.5 - 2024-10-22

Changed

  • Switch to uv for project management.

1.2.4 - 2024-09-22

Added

  • Test with Python 3.13.

1.2.3 - 2024-06-24

Removed

  • Drop autograd test dependency.

1.2.2 - 2024-04-04

Fixed

  • Fix sorptivity and ode functions not being properly exported.

1.2.1 - 2024-02-19

Fixed

  • Fix examples/HF135/inverse1.py failure in some environments.

1.2.0 - 2023-10-30

Added

  • Add sorptivity() function that can compute the sorptivity from samples.

1.1.2 - 2023-10-10

Fixed

  • Work around a SciPy bug that can cause solve() to fail with an unexpected ValueError (scipy/scipy#17066).

1.1.1 - 2023-10-09

Added

  • Add oi property to the Solution class.

1.1.0 - 2023-10-09

Added

  • Add new sorptivity() methods to the Solution and BaseSolution classes.

Changed

  • Update packaging.

1.0.3 - 2023-08-11

Added

  • Publish Docker images.

1.0.2 - 2023-07-18

Changed

  • Update packaging and dependencies.

1.0.1 - 2023-02-24

Changed

  • Add new references to the documentation.

1.0.0 - 2023-02-23

Added

  • Add preferred citation (via CITATION.cff) to the repository.

0.9.12 - 2022-12-30

Added

  • Add letxs() and letd() diffusivity models based on the LET correlations to the fronts.D module.

0.9.11 - 2022-12-01

Fixed

  • Fix plotting errors in example cases with newer versions of Matplotlib.

Removed

  • Drop support for Python versions older than 3.7 (including Python 2.7).
  • Drop support for SciPy versions older than 1.4.0.
  • Remove optional dependencies needed to publish the package, including the install option [publish]. The project now uses GitHub Actions to automatically build and upload releases to PyPI.

0.9.10 - 2020-10-30

Fixed

  • Fix possible NumPy warning (emitted before the expected ValueError is raised) when solve() is invoked with a D that is not valid.
  • Revert "saturation" to "water content" in examples/HF135 case.

0.9.9 - 2020-10-21

Added

  • Add an automated test suite for validation of the software. Tests are executed automatically on Travis CI whenever changes are pushed to GitHub. Install with new option [test] (or [dev]) and use pytest to run the tests locally.

Changed

  • Check that D is well behaved at the expected extrema of the solution when invoking solve(). If solve() determines that the problem cannot be solved, the function will now raise a ValueError immediately without performing any iterations.
  • Improve error message when attempting to use the 'explicit' method of solve() and solve_flowrate() with SciPy older than 1.4.0.
  • Improve reference documentation.

Fixed

  • Fix examples/1INFILTR case with NumPy versions lower than 1.16.
  • Fix examples/HF135/inverse2.py failure in some environments.
  • Fix problem statement in 'Usage' section of README file.

0.9.8 - 2020-06-11

Added

  • Add new solver solve_flowrate() to solve radial problems (cylindrical or polar) with a fixed-flowrate boundary condition.
  • Add new automatic mode to solve(). Removes the need for users to tune the d_dob_bracket (formerly dS_dob_bracket) parameter until the function succeeds. In practice, solve() can now be expected to return the solution to a problem upon the first call with no parameter tuning required. The new solve_flowrate() also works in a similar manner.
  • Allow expressions of D to be passed directly to the solvers (e.g.: solve(D="c**2", ...)). Removes the need for users to provide the derivatives of custom functions. This functionality uses SymPy, which is now installed by default.
  • Add optional explicit integration method to solve() and solve_flowrate(). Using it requires SciPy 1.4.0 or later (Python 3 only).
  • Add Brooks and Corey moisture diffusivity model to the fronts.D module.
  • Add new properties b, d_dob, i and ob, and methods d_drb(), d_dtb() and fluxb() to the Solution class.
  • Add optional d_dob_hint parameter to solve(). Allows users to pass an optional hint to the new automatic mode, which may accelerate convergence in some scenarios.
  • Add execution time to the verbose output of solvers. Measures total CPU time in Python 3, or wall-clock time in Python 2.7.
  • Add catch_errors option to ode() that converts D domain errors to invalid values for easier compatibility with SciPy code.
  • Add 'polar' as a valid value for the radial parameter of ode() and solvers.
  • Add from_expr() to the fronts.D module, which transforms expressions into callable D functions.
  • Add __version__ attribute to the main package, which stores the current version as a string.
  • Support extra options during install: e.g., $ pip install fronts[examples] also installs Matplotlib, which is required to run the examples. Other options: [doc], [publish], and [dev] (the latter installs all extras).

Changed

  • Drop the letter S from the names of function parameters and methods. For more generality, the library now does not name the solution field in user-facing code. As a consequence of this, Solution objects are now callable.
  • Update solve() to employ the new automatic mode by default. d_dob_bracket (formerly dS_dob_bracket) is still available but now defaults to None, which triggers the new behavior.
  • Change default tolerance (itol, formerly Si_tol) in solve() to 1e-3.
  • Replace use of S in documentation with the Greek letter theta.
  • Update examples with the new function signatures and method names.
  • Update examples to use the new features of solve().
  • Update examples/HF135/radial.py to use the new solver solve_flowrate().
  • Update examples/exact case to use an expression for D.
  • Update verbose output of solve(). Ambiguously named column "Evaluations" replaced with "Calls to D"; now counts all invocations of D.
  • Improve error messages in Python 3 by suppressing internal exceptions from the exception context.
  • Improve README file and reference documentation.

Fixed

  • Fix floating point warnings that sometimes appeared during calls to solve() and solve_from_guess().
  • Remove unnecessary restriction on the l parameter of D.van_genuchten().
  • Fix list of examples in README file.
  • Fix examples/exact case in Python 2.7.
  • Fix encoding error when installed in editable mode in Python 2.7.

0.9.7 - 2020-02-11

Fixed

  • Fix a problem related to the encoding of README.md that prevented installation with some versions of pip.

0.9.6 - 2020-02-10

Added

  • Add optional intrinsic permeability, kinematic viscosity, and gravitational acceleration parameters to D.van_genuchten() and D.richards(), which can be used in place of the hydraulic conductivity parameter.
  • Update examples/HF135 to use intrinsic permeability.
  • Add new radial example to examples/HF135.
  • Add scripts to plot the diffusivities in all example cases.
  • Add units of measurement to examples/1INFILTR and examples/HF135.
  • Add mention of porousMultiphaseFoam software version used to validate examples/HF135.
  • Add this changelog file to the project.

Changed

  • Rename SemiInfiniteSolution class to just Solution (and the old Solution class to BaseSolution).
  • Update Hydrus-1D validation data for examples/1INFILTR.
  • Change "water content" to "saturation" in examples/HF135 [Note: fixed in 0.9.10].
  • Improve example plots.
  • Rename "API documentation" to "reference documentation".
  • Improve README.md file and reference documentation.

Removed

  • Remove examples/powerlaw/radial example. Replaced by new radial example in examples/HF135.

0.9.5 - 2019-12-26

Changed

  • Rename parameter of D.constant() function to D0.
  • Improve documentation.

Fixed

  • Fix D.constant, which was previously broken due to a bug.
  • Fix use of the terms "saturation" and "water content" throughout the project [Note: fixed in examples/HF135 in 0.9.10].

0.9.4 - 2019-10-09

Changed

  • Improve README file and reference documentation.

0.9.3 - 2019-09-27

Added

  • Add links to the online reference documentation for functionality listed in the README file.
  • Add GSaM logo to README file.

Changed

  • Make parameter max_nodes in function solve_from_guess() default to 1000.
  • Make functions raise TypeError instead of ValueError on illegal combinations of arguments.

Fixed

  • Fix typo in name of examples/1INFILTR.
  • Fix wrong name used in mention of examples/refine.py in the README file.

0.9.2 - 2019-09-16

First public pre-release version.