Another caveat: for negative numbers, the bit-or rounds to zero while the floor ... | Hacker News

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		sheetjs on June 24, 2014 \| parent \| context \| favorite \| on: Show HN: Fast.js – faster reimplementations of nat... Another caveat: for negative numbers, the bit-or rounds to zero while the floor rounds to negative infinity: `> -0.5 -0.5 > (-0.5)\|0 0 > Math.floor(-0.5) -1`

al2o3cr on June 24, 2014 [–]

A fine example why this sort of "who needs the specs, FULL SPEED AHEAD" hyper-optimization can get people into trouble.

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