Replacements of NULL with nullptr. #74

	name: Imfit CI

	on:
	push:
	# branches: [ main ]
	# pull_request:
	# branches: [ main ]
	workflow_dispatch:

	jobs:
	build-and-test:
	runs-on: ubuntu-latest

	# Steps are the individual actions for each job
	steps:
	# Check-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v4

	# The following Python setup is so we can use our text- and FITS-file comparison
	# scripts in the regression tests
	- name: Set up Python 3.10
	uses: actions/setup-python@v5
	with:
	python-version: "3.10"
	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install numpy astropy


	# Run a set of commands using the shell
	- name: setup
	run: \|
	sudo apt-get update -qq
	sudo apt-get install -y scons
	sudo apt-get install -y libfftw3-dev
	sudo apt-get install -y libcfitsio-dev
	sudo apt-get install -y libgsl-dev
	sudo apt-get install -y libnlopt-dev
	sudo apt-get install -y cxxtest

	- name: unit tests
	run: ./run_unit_tests.sh

	- name: build executables
	run: \|
	scons makeimage
	scons imfit
	scons imfit-mcmc

	- name: regression tests
	run: \|
	./do_makeimage_tests

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