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proposal: math: integer square root #59861

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chiyoi opened this issue Apr 27, 2023 · 1 comment
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proposal: math: integer square root #59861

chiyoi opened this issue Apr 27, 2023 · 1 comment
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@chiyoi
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chiyoi commented Apr 27, 2023 •
edited

Add a function like math.Isqrt(n int) int.

Currently I implement this by

sort.Search(n, func(x int) bool { return x * x + 2 * x + 1 > n })

but maybe this feature could be added to the standard library like math.Ilogb
@gopherbot gopherbot added this to the Proposal milestone Apr 27, 2023
@seankhliao
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our bar for what might be added to math was clarified here #58146 (comment)

c math.h doesn't have this.

@seankhliao seankhliao closed this as not planned Won't fix, can't repro, duplicate, stale Apr 27, 2023
@golang golang locked and limited conversation to collaborators Apr 26, 2024
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@gopherbot @seankhliao @chiyoi