Initial commit of the pyngspice layer on top of ngspice:
- pybind11 C++ bindings (src/cpp/, src/bindings/)
- Python package with SpiceRunner interface, netlist preprocessor
- Targeted capacitor probing via .save i(C_name) directives for
fast simulation when only specific cap currents are needed
- Build system (CMakeLists.txt, pyproject.toml, build_mingw.py)
- Test suite with 70 tests covering all preprocessor features
- Examples, winflexbison tooling, CLAUDE.md project docs
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Joe DiPrima