optimize: reduce dummy variable creation at each iteration #59

	name: elasticapp (Elastica++ based backend) tests

	# trigger run only on changes to the backend folder.
	on:
	push:
	paths:
	- backend/**
	pull_request:
	paths:
	- backend/**

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	python-version: ["3.11"] #, "3.12"]
	os: [ubuntu-latest] # , macos-latest]
	include:
	- os: ubuntu-latest
	path: ~/.cache/pip
	defaults:
	run:
	shell: bash

	steps:
	- uses: actions/checkout@v4
	- name: Install uv
	uses: astral-sh/setup-uv@v5
	with:
	uv-version: latest
	- name: Compile OpenMP
	env:
	OMP_NUM_THREADS: 2
	run: \|
	sudo apt-get update; sudo apt-get install -y libomp5 libomp-dev
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Set up cache
	uses: actions/cache@v5
	with:
	path: ${{ matrix.path }}
	key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}-${{ hashFiles('uv.lock') }}
	restore-keys: \|
	${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}-${{ hashFiles('uv.lock') }}
	${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}

	- name: Install PyElastica and dependencies
	run: \|
	make install-dev-deps PYTHON_VERSION=${{ matrix.python-version }}
	uv cache prune --ci

	- name: Run elasticapp tests
	run: \|
	source .venv/bin/activate
	cd backend
	make test
	# pytest backend/tests/py

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