Expose inter-/histopolation matrices in GlobalProjector, add unit tests #428

	name: documentation

	on:
	push:
	branches: [ devel ]
	pull_request:
	branches: [ devel ]

	permissions:
	contents: read
	pages: write
	id-token: write

	jobs:
	build_docs:
	runs-on: ubuntu-latest
	env:
	GITHUB_PAT: ${{ secrets.GITHUB_TOKEN}}
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.9
	- name: Install non-Python dependencies on Ubuntu
	run: \|
	sudo apt update
	sudo apt install graphviz
	- name: Install Python dependencies
	run: \|
	python -m pip install -U sphinx
	python -m pip install pydata_sphinx_theme
	python -m pip install numpydoc
	python -m pip install tomli
	- name: Make the sphinx doc
	run: \|
	make -C docs clean
	make -C docs html
	- name: Setup Pages
	uses: actions/configure-pages@v3
	- name: Upload artifact
	uses: actions/upload-pages-artifact@v1
	with:
	path: 'docs/build/html'

	deploy_docs:
	if: github.event_name != 'pull_request'
	needs: build_docs
	runs-on: ubuntu-latest
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v2

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