Add tests with CUDA

[devmotion]

This PR adds a GPU CI infrastructure (see https://github.com/JuliaGPU/buildkite for details).

[coveralls]

Pull Request Test Coverage Report for Build 887092011

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 88.364%

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Totals
Change from base Build 886370400:	0.0%
Covered Lines:	243
Relevant Lines:	275

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💛 - Coveralls

[codecov-commenter]

Codecov Report

Merging #83 (62944ff) into master (0b0db23) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #83   +/-   ##
=======================================
  Coverage   88.36%   88.36%           
=======================================
  Files           1        1           
  Lines         275      275           
=======================================
  Hits          243      243           
  Misses         32       32           

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[devmotion]

@maleadt Thanks for your help, everything seems to work 🙂 I would also like to add a status badge to the README according to the official buildkite instructions but I can't figure out the badge url. I assume I don't have sufficient permissions. Could you look up the url for us?

[maleadt]

This should be it:

[devmotion]

Great, thank you!

[coveralls]

Pull Request Test Coverage Report for Build 887066138

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 88.364%

---

Totals
Change from base Build 886370400:	0.0%
Covered Lines:	243
Relevant Lines:	275

---

💛 - Coveralls