Changes

Major Changes

Added support for Cython 3.0.0
- Added noexcept to pure cython functions to avoid a potential python error check.

New Features

Added the ability to pass arrayed versions of rtol and atol to both the numba and cython-based solvers (cyrk_ode and CySolver).
- For both solvers, you can pass the optional argument "rtols" and/or "atols". These must be C-contiguous numpy arrays with float64 dtypes. They must have the same size as y0.
- Added tests to check functionality for all solvers.
- This resolves Issue #1.
Added new optional argument to all solvers max_num_steps which allows the user to control how many steps the solver is allowed to take.
- If exceeded the integration with fail (softly).
- Defaults to 95% of sys.maxsize (depends on system architecture).
New CySolver.update_constants method allows for significant speed boosts for certain differential equations.
- See test diffeqs, which have been updated to use this feature, for examples.

Other Changes

Improved documentation for most functions and classes.
To make more logical sense with the wording, CySolver.size_growths now gives one less than the solver's growths attribute.
Cleaned up status codes and created new status code description document under "Documentation/Status and Error Codes.md"
Fixed compile warning related to NPY_NO_DEPRECATED_API.
Converted RK variable lengths to Py_ssize_t types.
Changed default tolerances to match scipy: rtol=1.0e-3, atol=1.0e-6.

Performance

Various minor performance gains for cython-based solvers.
Moved key loops in CySolver into self-contained method so that gil can be released.
New CySolver.update_constants method allows for significant speed boosts for certain differential equations.

Bug Fixes:

Fixed potential seg fault when accessing CySolver's arg_array_view.
Fixed potential issue where CySolver's first step size may not be reset when variables that affect it are.
Fixed missed declaration in cyrk_ode.
Fixed bug where the state reset flag was not being passed from CySolver.solve wrapper method.

GitHub Tracked Changes

Full Changelog: v0.6.2...v0.7.0