Ensure arithmetic results preserve spectral axis shifts #616

	name: Weekly cron

	on:
	pull_request:
	# We also want this workflow triggered if the 'Extra CI' label is added
	# or present when PR is updated
	types:
	- synchronize
	- labeled
	schedule:
	# run every Monday at 6am UTC
	- cron: '0 6 * * 1'

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	tests:
	name: ${{ matrix.name }}
	runs-on: ${{ matrix.os }}
	if: (github.repository == 'astropy/specutils' && (github.event_name == 'schedule' \|\| contains(github.event.pull_request.labels.*.name, 'Extra CI')))
	strategy:
	fail-fast: false
	matrix:
	include:

	# We do not use remote data here, since
	# that gives too many false positives due to URL timeouts.
	- name: Python 3.12 with pre-release version of key dependencies
	os: ubuntu-latest
	python: '3.12'
	toxenv: py312-test-predeps

	- name: Documentation link check
	os: ubuntu-latest
	python: '3.12'
	toxenv: linkcheck

	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python }}
	- name: Install Python dependencies
	run: python -m pip install --upgrade tox
	- name: Run tests
	run: tox ${{ matrix.toxargs}} -e ${{ matrix.toxenv}} -- ${{ matrix.toxposargs}}

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