add image or video tolerances for CUDA vs CPU tests #6924
Merged
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Follow-up to #6921. Currently we have a bunch of tests that differ when comparing CPU vs. CUDA. Fortunately, the difference is minimal, i.e.
atol=1
for uint8 andatol=1 / 255
for float32 is sufficient.These errors have not been surfaced before, because we don't have prototype CUDA tests in CI. Together with #6923, there should be no more errors in the test suite regarding CUDA.
cc @vfdev-5 @datumbox @bjuncek