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Add floating-point special cases for floor_divide - #329
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asmeurer
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Nov 15, 2021
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These imported into the test suite just fine. I ran the tests and it found that NumPy deviates on those I mentioned. |
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Thanks for reviewing and confirming @asmeurer! |
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The changes introduced in this PR have been reviewed and were discussed at the consortium meeting on 18 November 2021. Will merge, and any subsequent edits can be made in follow-up PRs. @asmeurer @honno You'll want to note that array libraries are allowed to deviate from behavior included in the spec for a subset of the special cases. These special cases are demarcated accordingly. |
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This PR
floor_divide. The lack of guidance was initially raised in gh-199 (see comment). Upon investigation, NumPy'sfloor_divideis both inconsistent withfloor(divide(x,y))behavior and built-in Python behavior and also diverges from behavior found in other libraries (e.g., TensorFlow). Accordingly, this PR seeks to clarify behavior for floating-point operands and ensure consistency withfloor(divide(x,y))to avoid downstream user surprises. The documented special cases largely follow those ofdivide.