What is this

Test CL devices. Also Nvidia GPU mode, with machine-readable output, for env testing purposes.

Install source from npm

``sh
mkdir -p tmp && cd ./tmp
npm install @graphistry/cljs
cd ../ && mv tmp/node_modules/@graphistry/cljs ./cljs
rm -rf ./tmp && cd cljs && rm -rf node_modules && npm install
`

Run tests

`sh
npm test
`

What about them Nvidia GPUs

Test that your machine has at least one Nvidia GPU, and it's the default choice:

`sh
npm run test:gpu
`

Or more easily:

`sh
./test_nvidia_gpu.sh && if [ "$?" == "0" ];
then echo "success"; else echo "failed";
fi
``