Added vectorized distance calculations #41

	name: lint and test

	on: [push, pull_request]

	jobs:
	lint_and_test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [ "3.9", "3.10", "3.11", "3.12" ]

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Display Python version
	run: python -c "import sys; print(sys.version)"

	- name: Install poetry
	run: pip install poetry==1.8.2

	- name: Install code
	run: poetry install

	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	poetry run flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	poetry run flake8 . --count --exit-zero --statistics

	- name: Check formatting with Black
	run: poetry run black . --check

	- name: Check import order with isort
	run: poetry run isort -c spatial_kde

	- name: Test with pytest
	run: poetry run pytest -v --cov spatial_kde

Provide feedback