Credit Roberto Spadim and Rasheed Khoshnaw as contributors #102

	name: Native backend CI

	on:
	pull_request:
	push:

	jobs:
	native-backend:
	name: Python ${{ matrix.python-version }}
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version: ["3.11", "3.12"]

	steps:
	- name: Check out repo
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install build tools
	run: \|
	python -m pip install -U pip
	python -m pip install build scikit-build-core nanobind pytest ruff mypy numpy scipy
	python -m pip install hypothesis pytest-benchmark pytest-xdist

	- name: Install package editable
	run: python -m pip install -e .

	- name: Run native import smoke test
	run: python -c "import nns._nnscore as c; print(c.lpm(2.0, 0.0, [-2.0, -1.0, 0.5, 3.0]))"

	- name: Run invariants without Rscript
	run: python -m pytest -q tests/invariants

	- name: Run parity from committed R cache
	run: NNS_R_CACHE_ONLY=1 python -m pytest -q tests/parity

	- name: Run plotting color-fidelity tests
	run: python -m pytest -q tests/plotting

	- name: Run vignette examples
	run: \|
	if [ -f tests/docs/test_vignette_examples.py ]; then
	python -m pytest -q tests/docs/test_vignette_examples.py
	else
	echo "No docs vignette test present; skipping."
	fi

	- name: Run ruff
	run: ruff check .

	- name: Run mypy
	run: mypy

	- name: Build distributions
	run: python -m build

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