update gresho problem to take Mach number as input #1748

	name: flame_wave

	on: [pull_request]

	concurrency:
	group: ${{ github.ref }}-${{ github.head_ref }}-${{ github.workflow }}
	cancel-in-progress: true

	jobs:
	flame_wave-2d:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Get submodules
	run: \|
	git submodule update --init
	cd external/Microphysics
	git fetch; git checkout development
	cd ../amrex
	git fetch; git checkout development
	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 flame_wave
	run: \|
	cd Exec/science/flame_wave
	make DEBUG=TRUE USE_MPI=FALSE -j 4

	- name: Run flame_wave
	run: \|
	cd Exec/science/flame_wave
	./Castro2d.gnu.DEBUG.ex inputs_2d.testsuite max_step=2 castro.sum_interval=1 amr.plot_files_output=1 amr.checkpoint_files_output=0

	- name: Check grid_diag.out
	run: \|
	cd Exec/science/flame_wave
	diff grid_diag.out ci-benchmarks/grid_diag.out

	- name: Check species_diag.out
	run: \|
	cd Exec/science/flame_wave
	diff species_diag.out ci-benchmarks/species_diag.out

	- name: Check job_info parameters
	run: \|
	cd Exec/science/flame_wave
	line_no=`grep -n "Inputs File Parameters" plt00000/job_info \| cut -d ":" -f 1`
	tail -n +$(($line_no -1)) plt00000/job_info > tmp.txt
	diff tmp.txt ci-benchmarks/job_info_params.txt

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