90391c2e8a
This CL reapplies CL 504737 and adds integer precision limitation check, since CL 504737 only checks whether floating point number is +-Inf or NaN. This CL is also ~7% faster than CL 504737. Updates #68322 goos: linux goarch: riscv64 pkg: math │ math.old.bench │ math.new.bench │ │ sec/op │ sec/op vs base │ Ceil 54.09n ± 0% 18.72n ± 0% -65.39% (p=0.000 n=10) Floor 40.72n ± 0% 18.72n ± 0% -54.03% (p=0.000 n=10) Round 20.73n ± 0% 20.73n ± 0% ~ (p=1.000 n=10) RoundToEven 24.07n ± 0% 24.07n ± 0% ~ (p=1.000 n=10) Trunc 38.72n ± 0% 18.72n ± 0% -51.65% (p=0.000 n=10) geomean 33.56n 20.09n -40.13% Change-Id: I06cfe2cb9e2535cd705d40b6650a7e71fedd906c Reviewed-on: https://go-review.googlesource.com/c/go/+/600075 Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Joel Sing <joel@sing.id.au> Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Michael Knyszek <mknyszek@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> |
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