test

Update module gonum.org/v1/gonum to v0.15.0 #60

	name: test
	on: [push, pull_request]
	jobs:

	test:
	name: test
	strategy:
	matrix:
	go-version: [1.13.x]
	platform: [ubuntu-latest]
	runs-on: ${{ matrix.platform }}

	steps:
	- name: Set up Go 1.13
	uses: actions/setup-go@v1
	with:
	go-version: ${{ matrix.go-version }}

	- name: Check out code into the Go module directory
	uses: actions/checkout@v1

	- name: test
	run: go test ./...

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