Use PFAPACK 2: Halve LTL factorization cost #142

	name: CI

	on:
	push:
	pull_request:
	schedule:
	- cron: '0 0 1,15 * *' # JST 9:00 on 1st and 15th every month

	jobs:
	ctest:
	runs-on: ${{ matrix.os }}

	strategy:
	matrix:
	os: ["ubuntu-22.04", "ubuntu-20.04", "macos-latest"]
	ompsize: [1, 4]
	exclude:
	- os: "macos-latest"
	ompsize: 4 # OMP on macOS is too slow
	fail-fast: false
	env:
	OMP_NUM_THREADS: ${{ matrix.ompsize }}

	steps:
	- uses: actions/checkout@v4

	- name: apt
	if: ${{ runner.os == 'Linux' }}
	run: \|
	sudo apt update
	sudo apt install liblapack-dev openmpi-bin libopenmpi-dev libscalapack-openmpi-dev

	- name: brew
	if: ${{ runner.os == 'macOS' }}
	run: \|
	brew install openmpi scalapack libomp blis

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.11"

	- name: pip
	run: \|
	python3 -m pip install numpy

	- name: make workspace
	run: cmake -E make_directory ${{runner.workspace}}/build

	- name: cmake
	working-directory: ${{runner.workspace}}/build
	shell: bash
	run: \|
	if [ ${{ runner.os }} = "macOS" ] ; then
	# CONFIG=apple requires gfortran but macOS runner has not, but gfortran-11, 12, ...
	cmake -DCONFIG=apple -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_Fortran_COMPILER=gfortran-14 $GITHUB_WORKSPACE
	else
	cmake -DCMAKE_VERBOSE_MAKEFILE=ON $GITHUB_WORKSPACE
	fi

	- name: build
	working-directory: ${{runner.workspace}}/build
	shell: bash
	run: cmake --build ./ -j4

	- name: ctest
	working-directory: ${{runner.workspace}}/build
	shell: bash
	run: ctest -V

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