Fix math; update math description #609

	name: Branch Push CI

	on:
	push:
	branches:
	- "**"
	paths-ignore:
	- README.md
	- changelog.rst
	- LICENSE
	- CITATION
	- AUTHORS
	- doc/**
	- docs/**
	- .readthedocs.yml
	- .pre-commit-config.yaml

	defaults:
	run:
	shell: bash -l {0}

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- uses: mamba-org/setup-micromamba@v1
	with:
	micromamba-version: '1.5.10-0'
	environment-name: ${{ github.event.repository.name }}-ubuntu-latest-312-${{ hashFiles('requirements/dev.txt') }}
	environment-file: requirements/base.txt
	create-args: >-
	-f requirements/dev.txt
	python=3.11
	coin-or-cbc
	gurobi::gurobi
	post-cleanup: all
	cache-environment: true

	- name: Install package
	run: pip install --no-dependencies -e .

	- name: Install jupyter kernel
	run: python -m ipykernel install --user --name calliope

	- name: run tests without coverage
	if: github.ref != 'refs/heads/main'
	run: pytest

	- name: run tests with coverage
	if: github.ref == 'refs/heads/main'
	run: pytest --cov

	- name: upload coverage report to Codecov
	if: github.ref == 'refs/heads/main'
	uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	fail_ci_if_error: true
	directory: "./reports/coverage/"
	verbose: true

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