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math: Remove redundant local variable Ln2

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Use the const variable Ln2 in math/const.go for function acosh.

Change-Id: I5381d03dd3142c227ae5773ece9be6c8f377615e
Reviewed-on: https://go-review.googlesource.com/c/go/+/232517
Reviewed-by: Robert Griesemer <gri@golang.org>
Trust: Robert Griesemer <gri@golang.org>
Trust: Giovanni Bajo <rasky@develer.com>
This commit is contained in:
surechen 2020-05-06 20:04:35 +08:00 committed by Giovanni Bajo
parent 58fe2cd402
commit 73eb24ccb6
1 changed files with 1 additions and 4 deletions
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5
src/math/acosh.go
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@ -42,10 +42,7 @@ package math
func Acosh(x float64) float64
func acosh(x float64) float64 {
const (
Ln2 = 6.93147180559945286227e-01 // 0x3FE62E42FEFA39EF
Large = 1 << 28 // 2**28
)
const Large = 1 << 28 // 2**28
// first case is special case
switch {
case x < 1 || IsNaN(x):