*Decimals are notoriously hairy to implement* Only floating-point decimal is hai... | Hacker News

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tremon on Feb 8, 2023 | parent | context | favorite | on: Why does 0.1 and 0.2 = 0.30000000000000004?

Decimals are notoriously hairy to implement

Only floating-point decimal is hairy. Fixed-point decimal is hardly more difficult than integer math.

t8sr on Feb 8, 2023 [–]

If you simply look at any of the real world implementations, you'll see it's not so easy. Rust has a few readable and educational crates that implement decimals, if you want to take a look.

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