biaX Dev Notes

How the numbers actually get computed.

Engineering write-ups from building biaX — correctness problems, the checks we ran, and the bounds we measured rather than assumed. Separate from the articles, which are about trading behavior.

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Jul 28, 20266 min read
3.05 rounds down in Python and up in JavaScript
Our browser demo has to compute the same statistics as our Python backend, digit for digit. Getting there meant reimplementing round() — and finding three separate reasons the two disagreed.
JavaScriptPythonFloating pointCorrectness

How the numbers actually get computed.

All notes

3.05 rounds down in Python and up in JavaScript