Add an LFSR module #15

	name: impulse CI
	on:
	push:
	paths:
	- 'tests/**'
	- '**'
	- 'impulse.nimble'
	- '.github/workflows/ci.yml'
	pull_request:
	paths:
	- 'tests/**'
	- '**'
	- 'impulse.nimble'
	- '.github/workflows/ci.yml'

	jobs:
	build:
	strategy:
	fail-fast: false
	matrix:
	branch: [version-1-6, devel]
	target: [linux, macos, windows]
	include:
	- target: linux
	builder: ubuntu-latest
	- target: macos
	builder: macos-latest
	- target: windows
	builder: windows-latest
	name: '${{ matrix.target }} (${{ matrix.branch }})'
	runs-on: ${{ matrix.builder }}
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	with:
	path: impulse

	- name: Setup Nim
	uses: alaviss/[email protected]
	with:
	path: nim
	version: ${{ matrix.branch }}

	- name: Setup nimble & deps
	shell: bash
	run: \|
	cd impulse
	nimble refresh -y
	nimble install -y

	- name: Run tests
	shell: bash
	run: \|
	cd impulse
	nimble -y test

	- name: Build docs
	if: >
	github.event_name == 'push' && github.ref == 'refs/heads/master' &&
	matrix.target == 'linux' && matrix.branch == 'devel'
	shell: bash
	run: \|
	cd impulse
	branch=${{ github.ref }}
	branch=${branch##*/}
	nimble doc --project --outdir:docs \
	'--git.url:https://github.com/${{ github.repository }}' \
	'--git.commit:${{ github.sha }}' \
	"--git.devel:$branch" \
	impulse.nim
	# Ignore failures for older Nim
	cp docs/{the,}index.html \|\| true

	- name: Publish docs
	if: >
	github.event_name == 'push' && github.ref == 'refs/heads/master' &&
	matrix.target == 'linux' && matrix.branch == 'devel'
	uses: crazy-max/ghaction-github-pages@v1
	with:
	build_dir: impulse/docs
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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