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Reverse-engineering the Intel 8087's tangent algorithm: more than CORDIC

126 points · 11 comments · pwg

  1. jaygreco · · focus · HN ↗
    Love these deep dives. It’s fascinating to see how real, low-level engineering we all take for granted today unfolded. It’s incredible that the rough equivalent of an entire 160lb digital computer was built and baked into silicon.

    Also incredible reverse engineering. In a time when seemingly all appreciation for expertise is gone it’s so refreshing to see.

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