[Relay][Quantization] Fix Bug Which Cause Negative Left Shift Op #7432
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Please @ZihengJiang, @vinx13 help to review, thanks. |
vinx13
approved these changes
Feb 10, 2021
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How about adding one unit testing? |
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Merging this in as the fix is quite obvious. @Johnson9009 It would be great if you can send a followup test case that covers the regression. |
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@tqchen @FrozenGene Sorry for late reply because of lots of work, yes it is great to add a test case in regression, I will try to add one as soon as possible. |
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This is a very easy to understand bug, maybe the original commiter forgot to add the negative sign in the "else" branch, it will cause the "nbit" of "left_shift" operator be a negative number, e.g., "left_shift(%50, -1)".