swiftest 2026.7.0

Swiftest is a software packaged designed to model the long-term dynamical dynamics of n-body systems with a dominant central body, like the solar system.

Swiftest

---

Swiftest is a software package designed to model the long-term dynamics of n-body systems with a dominant central body, like the solar system. Swiftest is a re-write of the Swifter software package that incorporates modern programming techniques and performance improvements.

Installation

For most users, installing swiftest can be done via pip using the command:

pip install swiftest

This will install the swiftest Python package, which can be incorporated into Python projects using import swiftest. It also will install a standalone executable called swiftest, which can execute simulations from the command line, provided that initial conditions and configuration files are available in the path.

Documentation

Please see the Swiftest documentation page for more details, including advanced installation instructions, user guides, API documentation, and examples.

Licensing Agreement

Swiftest is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Swiftest is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Swiftest. If not, see https://www.gnu.org/licenses/.