[mypyc] Fix division of negative tagged int #11168
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The rounding was incorrect for some negative values, because of a bug related to the tagged integer logic. For example, -5 // 2 evaluated to -4 instead of -3 (ouch). Change the rounding implementation to not use shifted integers. Also add more exhaustive testing and fix a broken integer test case.
ilevkivskyi
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Sep 22, 2021
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The rounding was incorrect for some negative values, because of a bug related to the tagged integer logic. For example, -5 // 2 evaluated to -4 instead of -3 (ouch). Change the rounding implementation to not use shifted integers. Also add more exhaustive testing and fix a broken integer test case.
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The rounding was incorrect for some negative values, because of a bug
related to the tagged integer logic. For example, -5 // 2 evaluated to
-4 instead of -3 (ouch). Change the rounding implementation to not use
shifted integers.
Also add more exhaustive testing and fix a broken integer test case.