Would a "fixed-point binary-coded decimal" type be a solution here? With 64 bit ... | Hacker News

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		mysterydip on Feb 8, 2023 \| parent \| context \| favorite \| on: Why does 0.1 and 0.2 = 0.30000000000000004? Would a "fixed-point binary-coded decimal" type be a solution here? With 64 bit values that gives you 16 digits to play with, which for "everyday numbers" seems like plenty.

gpderetta on Feb 8, 2023 [–]

IEEE double gives you 15 digits and a much larger dynamic range, so the tradeoff is just not worth it except for specialized applications.

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