Implement more math filters #255

# to view logs

	name: CI

	permissions:
	contents: read

	on:
	push:
	branches: [ 'master' ]
	pull_request:

	env:
	CARGO_TERM_COLOR: always
	RUST_BACKTRACE: full
	RUSTFLAGS: -D warnings

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	- uses: Swatinem/rust-cache@v1
	- name: Install cargo-about
	uses: baptiste0928/cargo-install@v1
	with:
	crate: cargo-about
	- name: Build
	uses: actions-rs/cargo@v1
	with:
	command: build
	- name: Try generating about.html
	shell: bash
	run: cargo about generate about.hbs

	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: stable
	- uses: Swatinem/rust-cache@v1
	- name: Run tests
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --verbose --all-features --workspace

	tidy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	toolchain: nightly # Using nightly for (a) unstable features of rustfmt and (b) faster clippy redundant_clone lint
	components: rustfmt, clippy
	override: true
	- uses: Swatinem/rust-cache@v1
	- name: Run fmt
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: --all --check
	- name: Run clippy
	uses: actions-rs/cargo@v1
	with:
	command: clippy
	args: --verbose --all-features --workspace

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