⚡️ Golf sqrt and cbrt by getting a better initial estimate and removing an iteration#1515
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duncancmt wants to merge 2 commits intoVectorized:clzfrom
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⚡️ Golf sqrt and cbrt by getting a better initial estimate and removing an iteration#1515duncancmt wants to merge 2 commits intoVectorized:clzfrom
sqrt and cbrt by getting a better initial estimate and removing an iteration#1515duncancmt wants to merge 2 commits intoVectorized:clzfrom
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…oving an iteration
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Description
Both
sqrtandcbrtcan be gas optimized.sqrtonly needs 6 Babylonian steps. A better initial estimate incbrtallows us to shave a Newton-Raphson iteration later; also going down to 6.Implementation by a meatbag. Formal proof of correctness is vibe coded.
Checklist
Ensure you completed all of the steps below before submitting your pull request:
forge fmt?forge test?