Initialize j: fixing warning of maybe uninitialized variable. #79

	name: Run Builds and Tests

	on: [push, pull_request]

	jobs:
	linux-build-latest-with-gcc:
	name: 'Linux gcc-11'
	runs-on: ubuntu-24.04
	strategy:
	matrix:
	vertexIDType: ['64bit', '32bit']
	steps:
	- name: Install prerequisites
	run: \|
	sudo apt-get update
	sudo apt-get install ninja-build gcc-11 g++-11
	g++ --version

	- name: Checkout dhb
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: build library, ${{ matrix.vertexIDType }} IDs, run test
	run: \|
	[ ! -d build ] && mkdir build
	cd build
	mkdir gcc
	cd gcc
	cmake -GNinja -DDHB_BUILD_TESTS=ON -DDHB_WITH_64BIT_IDS=${{ matrix.vertexIDType == '64bit' && 'ON' \|\| 'OFF' }} -DCMAKE_CXX_COMPILER=g++-11 ../../
	ninja
	./dhb_test

	macos-build-latest-with-clang:
	name: 'macOS clang'
	runs-on: macos-14
	strategy:
	matrix:
	vertexIDType: ['64bit', '32bit']
	clangCompiler: ['Clang', 'AppleClang']

	steps:
	- name: Install prerequisites
	run: \|
	brew install ninja
	brew install libomp

	- name: Conditionally install llvm
	if: matrix.clangCompiler == 'Clang'
	run: \|
	brew install llvm

	- name: Checkout dhb
	uses: actions/checkout@v4
	with:
	submodules: true

	- name: build library, ${{ matrix.vertexIDType }} IDs, run test
	env:
	CC: ${{ matrix.clangCompiler == 'Clang' && '/opt/homebrew/opt/llvm/bin/clang' \|\| 'cc' }}
	CXX: ${{ matrix.clangCompiler == 'Clang' && '/opt/homebrew/opt/llvm/bin/clang++' \|\| 'c++' }}
	run: \|
	[ ! -d build ] && mkdir build
	cd build
	mkdir clang
	cd clang
	cmake -GNinja -DDHB_BUILD_TESTS=ON -DDHB_WITH_64BIT_IDS=${{ matrix.vertexIDType == '64bit' && 'ON' \|\| 'OFF' }} ../../
	ninja
	./dhb_test

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