Files
solver/GNN/CONTRIBUTING.md
forbes-0023 98051ba0c9 feat: add Phase 1 constraint solver addon, move prior content to GNN/
- Move existing OndselSolver, GNN ML layer, and tooling into GNN/
  directory for integration in later phases
- Add Create addon scaffold: package.xml, Init.py
- Add expression DAG with eval, symbolic diff, simplification
- Add parameter table with fixed/free variable tracking
- Add quaternion rotation as polynomial Expr trees
- Add RigidBody entity (7 DOF: position + unit quaternion)
- Add constraint classes: Coincident, DistancePointPoint, Fixed
- Add Newton-Raphson solver with symbolic Jacobian + numpy lstsq
- Add pre-solve passes: substitution + single-equation
- Add DOF counting via Jacobian SVD rank
- Add KindredSolver IKCSolver bridge for kcsolve integration
- Add 82 unit tests covering all modules

Registers as 'kindred' solver via kcsolve.register_solver() when
loaded by Create's addon_loader.
2026-02-20 20:35:47 -06:00

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Markdown

## Contributing to Ondsel Solver
Contributions are welcome!
The official repository for this project is on [GitHub.com](https://github.com/Ondsel-Development/OndselSolver).
* [Development](docs/development/README.md)
* [Issues](https://github.com/Ondsel-Development/OndselSolver/issues)
* [Pull Requests](https://github.com/Ondsel-Development/OndselSolver/pulls)
## Contributor license agreement
By submitting code as an individual you agree to the
[individual contributor license agreement](individual_contributor_license_agreement.md).
By submitting code as an entity you agree to the
[corporate contributor license agreement](corporate_contributor_license_agreement.md).