Replace Numerial Recipes LU decomp routines with LAPACK ones #298

	# This is a CI workflow for the NCEPLIBS-ip project.
	#
	# This workflow builds with the Intel Classic and OneAPI compilers.
	#
	# Ed Hartnett, 1/8/23
	name: Intel
	on:
	push:
	branches:
	- develop
	pull_request:
	branches:
	- develop

	# Use custom shell with -l so .bash_profile is sourced which loads intel/oneapi/setvars.sh
	# without having to do it in manually every step
	defaults:
	run:
	shell: bash -leo pipefail {0}

	jobs:
	Intel:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	openmp: [ ON, OFF ]
	compilers: ["CC=icc FC=ifort", "CC=icx FC=ifx"]

	steps:

	# See https://software.intel.com/content/www/us/en/develop/articles/oneapi-repo-instructions.html
	- name: install-intel
	run: \|
	cd /tmp
	wget https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS.PUB
	sudo apt-key add GPG-PUB-KEY-INTEL-SW-PRODUCTS.PUB
	rm GPG-PUB-KEY-INTEL-SW-PRODUCTS.PUB
	echo "deb https://apt.repos.intel.com/oneapi all main" \| sudo tee /etc/apt/sources.list.d/oneAPI.list
	sudo apt-get update
	sudo apt-get install intel-oneapi-openmp intel-oneapi-compiler-fortran-2023.2.1 intel-oneapi-compiler-dpcpp-cpp-and-cpp-classic-2023.2.1 intel-oneapi-mkl-devel-2023.2.0
	echo "source /opt/intel/oneapi/setvars.sh" >> ~/.bash_profile

	- name: checkout
	uses: actions/checkout@v2
	with:
	path: ip

	- name: build
	run: \|
	cd ip
	mkdir build
	cd build
	${{ matrix.compilers }} cmake -DOPENMP=${{ matrix.openmp }} -DBUILD_SHARED_LIBS=OFF -DBUILD_8=ON ..
	make -j2 VERBOSE=1

	- name: test
	run: \|
	ulimit -s unlimited
	cd $GITHUB_WORKSPACE/ip/build
	ctest --verbose --output-on-failure --rerun-failed

Provide feedback