Add triangle and diagonal specifiers based on `std::linalg` #78

	name: "CI"

	on:
	push:
	branches:
	- main

	pull_request:

	jobs:
	checks:
	runs-on: 'ubuntu-latest'
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	with:
	python-version: '3.12'
	cache: 'pip'
	- run: pip install -r requirements.txt
	- name: Checks
	uses: pre-commit/action@v3.0.0

	gcc:
	runs-on: 'ubuntu-latest'
	strategy:
	matrix:
	cxx: [g++-14, g++-13, g++-12, g++-11]
	name: ${{ matrix.cxx }}
	env:
	CXX: ${{ matrix.cxx }}
	steps:
	- uses: actions/checkout@v4
	- name: CMake
	run: \|
	sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
	sudo apt-get update -y
	sudo apt-get install g++-11 g++-12 g++-13 g++-14
	cmake -B build
	- name: Build
	run: make -C build -j `nproc`
	- name: Test
	run: ./build/test/gtest/spblas-tests

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