heyoka 0.18.0

[bluescarni]

This new version of heyoka comes with a big new feature and several fixes.

Automatic parallelisation 🚀

heyoka is now capable of automatically performing multithreaded fine-grained parallelisation within an individual integration step. Parallel mode is easily enabled, and it can lead to substantial speed-ups, especially for large ODE systems and/or extended precision computations.

A tutorial exploring this new feature is available here:

https://bluescarni.github.io/heyoka/tut_parallel_mode.html

Astrodynamics 🪐

• It is now possible to construct (N+1)-body problems - that is, N-body problems expressed in the reference frame of one of the bodies (rather than in an inertial reference frame).
• The Kepler solver now returns NaN in case of invalid input arguments (e.g., non-finite arguments, non-elliptic eccentricity) or if numerical root finding exceeds the maximum number of iterations.

Fixes 🐞

• Several small issues in the implementation of propagate_grid() were identified and fixed.
• Fix several compilation warning in debug mode when using recent clang versions.
• Support for the recently-released LLVM 14.
• heyoka now builds against LLVM 13/14 without deprecation warnings.

The full changelog, as usual, is available here:

https://bluescarni.github.io/heyoka/changelog.html

---

This discussion was created from the release heyoka 0.18.0.