feat: make linear problem api better, make objective function optional #91

	name: Sanitizers

	on: [ pull_request, push ]

	env:
	BUILD_TYPE: RelWithDebInfo

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	include:
	- name: ASan
	cmake-flags: -DCMAKE_CXX_FLAGS="-fsanitize=address -fno-omit-frame-pointer"
	- name: UBSan
	cmake-flags: -DCMAKE_CXX_FLAGS="-fsanitize=undefined -fno-omit-frame-pointer"
	- name: TSan
	cmake-flags: -DCMAKE_CXX_FLAGS="-fsanitize=thread -fno-omit-frame-pointer"

	name: ${{ matrix.name }}
	runs-on: ubuntu-24.04

	steps:
	- uses: actions/checkout@v4

	- name: Install Clang
	run: \|
	wget https://apt.llvm.org/llvm.sh
	chmod +x llvm.sh
	sudo ./llvm.sh 18 all
	sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-18 200
	sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-18 200
	echo "CC=clang" >> $GITHUB_ENV
	echo "CXX=clang++" >> $GITHUB_ENV

	- name: Configure CMake
	run: cmake -B ${{github.workspace}}/build -S . -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} ${{matrix.cmake-flags}}

	- name: Build
	run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} --parallel $(nproc)

	- name: Test
	run: ctest --test-dir ${{github.workspace}}/build -C ${{env.BUILD_TYPE}} --output-on-failure

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