Some new and some improved tensor operations #110

	name: build

	on:
	# Trigger the workflow on push or pull request,
	# but only for the main branch
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10"]
	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 dependencies
	run: \|
	sudo apt-get update -y
	sudo apt-get install -y libsuitesparse-dev
	python -m pip install --upgrade pip
	# pip install .
	pip install -e ".[sparse]"
	# pip install flake8 pytest
	# if [ -f requirements.txt ]; then pip install -r requirements-test.txt; fi
	- name: pytest
	run: \|
	pip install -e ".[sparse,test]"
	python -m pytest -n auto --cov=optimism -Wignore
	# we can also add the flag -n auto for parallel testing

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