Keep one version of gemm #54

	name: gcc-11

	on:
	push:
	branches: [ "master" ]
	pull_request:
	branches: [ "master" ]
	workflow_dispatch:

	jobs:
	gcc11:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	cxxflags: ['"-O3 -std=c++20 -DRA_DO_OPT_SMALLVECTOR=0"',
	'"-O3 -std=c++20 -DRA_DO_OPT_SMALLVECTOR=1"',
	'"-O3 -DRA_DO_CHECK=0 -DNDEBUG -std=c++20"',
	'"-O3 -std=c++2b"']
	steps:
	- uses: actions/checkout@v3
	- name: update
	run: \|
	sudo apt update
	sudo apt install gcc-11 g++-11
	- name: configure
	run: CXXFLAGS=${{matrix.cxxflags}} cmake .
	env:
	CXX: g++-11
	CC: gcc-11
	- name: make
	run: make
	- name: make test
	run: make test

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