add the ROCK2/4 integrators #1080

	name: burn_cell_sdc

	on: [pull_request]
	jobs:
	burn_cell_sdc:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Get AMReX
	run: \|
	mkdir external
	cd external
	git clone https://github.com/AMReX-Codes/amrex.git
	cd amrex
	git checkout development
	echo 'AMREX_HOME=$(GITHUB_WORKSPACE)/external/amrex' >> $GITHUB_ENV
	echo $AMREX_HOME
	if [[ -n "${AMREX_HOME}" ]]; then exit 1; fi
	cd ../..

	- name: Install dependencies
	run: \|
	sudo apt-get update -y -qq
	sudo apt-get -qq -y install curl cmake jq clang g++>=9.3.0

	- name: Compile, burn_cell_sdc (aprox19)
	run: \|
	cd unit_test/burn_cell_sdc
	make realclean
	make NETWORK_DIR=aprox19 -j 4

	- name: Run burn_cell_sdc (aprox19)
	run: \|
	cd unit_test/burn_cell_sdc
	./main3d.gnu.ex inputs_aprox19.ci

	- name: Compare to stored output (aprox19)
	run: \|
	cd unit_test/burn_cell_sdc
	diff state_over_time.txt ci-benchmarks/aprox19_state_over_time.txt

	- name: Compile, burn_cell_sdc (BackwardEuler, aprox19)
	run: \|
	cd unit_test/burn_cell_sdc
	make realclean
	make INTEGRATOR_DIR=BackwardEuler NETWORK_DIR=aprox19 -j 4

	- name: Run burn_cell_sdc (BackwardEuler, aprox19)
	run: \|
	cd unit_test/burn_cell_sdc
	./main3d.gnu.ex inputs_aprox19.ci

	- name: Compare to stored output (BackwardEuler, aprox19)
	run: \|
	cd unit_test/burn_cell_sdc
	diff state_over_time.txt ci-benchmarks/aprox19_BE_state_over_time.txt

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