Add Affine.to_cairo, to output data in column major order suitable for cairo.Matrix(...) #68

	name: CI

	# On every pull request, but only on push to master
	on:
	push:
	branches:
	- main
	tags:
	- '*'
	pull_request:
	env:
	LATEST_PY_VERSION: '3.11'

	jobs:
	tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install affine
	run: \|
	python -m pip install --upgrade pip
	python -m pip install .["test"]

	- name: Run tests
	run: \|
	python -m pytest --cov=affine --cov-report=term-missing --cov-report=xml

	- name: Upload Coverage Results
	if: ${{ matrix.python-version == env.LATEST_PY_VERSION }}
	uses: codecov/codecov-action@v3
	with:
	files: ./coverage.xml
	flags: unittests
	fail_ci_if_error: false

	lint:
	needs: tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ env.LATEST_PY_VERSION }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install flake8 pydocstyle

	- name: Run lint
	run: \|
	flake8 --ignore=E501,W503
	python -m pydocstyle affine

	typing:
	needs: tests
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ env.LATEST_PY_VERSION }}

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install mypy pytest

	- name: Run typing test
	run: \|
	mypy affine

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