Update README.md #212

	name: Build and Test

	on: [push, pull_request]

	env:
	HOMEBREW_NO_AUTO_UPDATE: 1
	CPATH: /usr/local/include
	LPATH: /usr/local/lib

	defaults:
	run:
	shell: bash

	jobs:

	build:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest]
	python-version: ["3.10"]
	cxx: [g++-10, g++-11, g++-12]
	include:
	- os: macos-latest
	python-version: "3.10"
	cxx: g++-12
	runs-on: ${{ matrix.os }}
	env:
	CXX: ${{ matrix.cxx }}
	steps:
	- name: Install Python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- uses: actions/checkout@v2
	with:
	submodules: recursive
	- name: Install dependencies
	if: matrix.os == 'ubuntu-latest'
	shell: bash
	run: \|
	sudo add-apt-repository ppa:ubuntu-toolchain-r/test
	sudo apt-get update -qq
	sudo apt install libfftw3-dev libgsl0-dev libhdf5-serial-dev
	sudo apt install gcc-10 g++-10 gcc-11 g++-11 gcc-12 g++-12
	- name: Install dependencies
	if: matrix.os == 'macos-latest'
	shell: bash
	run: \|
	brew install gcc@12 fftw gsl hdf5
	brew link gsl
	- name: Compile code
	working-directory: genetIC
	run: make
	- name: Install python dependencies
	shell: bash
	run: \|
	export CC=gcc-12
	export CXX=g++-12
	python -m pip install --upgrade pip setuptools wheel
	python -m pip install numpy scipy cython
	python -m pip install --pre pynbody
	- name: Run tests
	shell: bash
	working-directory: genetIC/tests
	run: ./run_tests.sh
	- name: Run mapper tests
	shell: bash
	working-directory: genetIC/tests
	run: ./run_mapper_tests.sh

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