You check the tag before doing float operations | Hacker News

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		ithkuil on Nov 28, 2024 \| parent \| context \| favorite \| on: Float Self-Tagging You check the tag before doing float operations

pansa2 on Nov 28, 2024 [–]

And afterwards, because floating-point arithmetic can change the value of the tag. This isn't necessary with NaN-boxing, because it uses NaN bit patterns that the hardware never generates.

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