a18294bb6a
In several places the integer log2 is calculated using loops or similar mechanisms. math/bits.Len* provide a simpler and more efficient mechanisms for this. Annoyingly, every usage has slightly different ideas of what "log2" means and how non-positive inputs should be handled. I verified the replacements in each case by comparing the result for inputs from 0 to 1<<16. Change-Id: Ie962a74674802da363e0038d34c06979ccb41cf3 Reviewed-on: https://go-review.googlesource.com/c/go/+/721880 Reviewed-by: Mark Freeman <markfreeman@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Michael Knyszek <mknyszek@google.com> |
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