diff options
Diffstat (limited to 'src/pkg/math/asinh.go')
| -rw-r--r-- | src/pkg/math/asinh.go | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/pkg/math/asinh.go b/src/pkg/math/asinh.go index c1cad563c..0defbb9be 100644 --- a/src/pkg/math/asinh.go +++ b/src/pkg/math/asinh.go @@ -33,8 +33,8 @@ package math // Asinh(x) calculates the inverse hyperbolic sine of x. // // Special cases are: -// Asinh(+Inf) = +Inf -// Asinh(-Inf) = -Inf +// Asinh(±0) = ±0 +// Asinh(±Inf) = ±Inf // Asinh(NaN) = NaN func Asinh(x float64) float64 { const ( @@ -42,10 +42,8 @@ func Asinh(x float64) float64 { NearZero = 1.0 / (1 << 28) // 2**-28 Large = 1 << 28 // 2**28 ) - // TODO(rsc): Remove manual inlining of IsNaN, IsInf - // when compiler does it for us // special cases - if x != x || x > MaxFloat64 || x < -MaxFloat64 { // IsNaN(x) || IsInf(x, 0) + if IsNaN(x) || IsInf(x, 0) { return x } sign := false |