I fixed the test suite, which had a problem described by Alfonso below.
I believe in test set 3 c should be empty?
In test 3, A is wholly contained within B. But I added another test case that should return the empty set .
Perhaps you are referring to test 5, in test 3 a box with width/height [6,1] is hardly contained in a box with width/height [2,2]... or perhaps i am misinterpreting?
Most previous solutions returned [0 0 0 0] for no intersection since that is what the test suite seemed to want.
My apologies. I don't know why I had this wrong before, but according to my description, yes, test 3 should return .
why are results of test 3 and 7 not consistent ? is it possible to fix it ? by the way, [0 0 0 0] was easier to get...
This only works for integer coordinates.
I added a test with non-integer inputs.
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