Merge #291 #45

	name: CI
	on:
	push:
	branches:
	- staging
	- trying

	jobs:

	test:
	name: Test
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust: [
	1.31.0, # MSRV
	1.35.0, # has_copysign
	1.37.0, # has_reverse_bits
	1.38.0, # has_div_euclid
	1.44.0, # has_to_int_unchecked
	1.46.0, # has_leading_trailing_ones
	1.53.0, # has_is_subnormal
	stable,
	beta,
	nightly,
	]
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.rust }}
	- run: cargo build
	env:
	# https://github.com/rust-lang/cargo/issues/10303
	CARGO_NET_GIT_FETCH_WITH_CLI: true
	- run: ./ci/test_full.sh

	# i586 presents floating point challenges for lack of SSE/SSE2
	i586:
	name: Test (i586)
	runs-on: ubuntu-latest
	steps:
	- run: \|
	sudo apt-get update
	sudo apt-get install gcc-multilib
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	target: i586-unknown-linux-gnu
	- run: cargo test --target i586-unknown-linux-gnu --all-features

	# try a target that doesn't have std at all
	no_std:
	name: No Std
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	target: thumbv6m-none-eabi
	- run: cargo build --target thumbv6m-none-eabi --no-default-features
	- run: cargo build --target thumbv6m-none-eabi --no-default-features --features libm

	fmt:
	name: Format
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@1.62.0
	with:
	components: rustfmt
	- run: cargo fmt --all --check

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