Replace BLAS functions w/ pure F90 code in integrators #49

	---
	#
	# GitHub Action to run C-I tests with GCC compilers
	#
	name: Run C-I tests

	on:
	push:
	branches:
	- '**'
	pull_request:
	branches:
	- '**'

	jobs:
	build:
	runs-on: ubuntu-latest
	env:
	KPP_HOME: ${{ github.workspace }}
	KPP_FLEX_LIB_DIR: /usr/lib/x86_64-linux-gnu
	strategy:
	matrix:
	gcc-version: [9, 10, 11, 12, 13]


	name: Run C-I tests with GCC ${{ matrix.gcc-version }}
	steps:
	- name: Checkout KPP
	uses: actions/checkout@v4
	with:
	persist-credentials: false


	- name: Install libraries
	run: \|
	sudo apt update -y
	sudo apt install -y flex bison libfl-dev
	sudo apt install -y gcc-${{ matrix.gcc-version }} g++-${{ matrix.gcc-version }} gfortran-${{ matrix.gcc-version }}
	sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ matrix.gcc-version }} 100 \
	--slave /usr/bin/g++ g++ /usr/bin/g++-${{ matrix.gcc-version }} \
	--slave /usr/bin/gfortran gfortran /usr/bin/gfortran-${{ matrix.gcc-version }}


	- name: Verify environment
	run: \|
	echo '%%% COMPILERS %%%'
	gcc --version
	echo ''
	g++ --version
	echo ''
	gfortran --version
	echo ''
	echo '%%% ENVIRONMENT %%%'
	echo "flex = $(which flex)"
	echo "bison = $(which bison)"
	echo "KPP_HOME = $KPP_HOME"
	echo "KPP_FLEX_LIB_DIR = $KPP_FLEX_LIB_DIR"

	- name: Compile with Make
	run: \|
	cd $KPP_HOME/src
	make all


	- name: Run C-I tests
	run: \|
	cd $KPP_HOME/.ci-pipelines
	./ci-testing-script.sh

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