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Diffstat (limited to 'libgo/go/math/sinh.go')
| -rw-r--r-- | libgo/go/math/sinh.go | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libgo/go/math/sinh.go b/libgo/go/math/sinh.go index 993424d..9fe9b4e 100644 --- a/libgo/go/math/sinh.go +++ b/libgo/go/math/sinh.go @@ -23,6 +23,13 @@ package math // Sinh(±Inf) = ±Inf // Sinh(NaN) = NaN func Sinh(x float64) float64 { + if haveArchSinh { + return archSinh(x) + } + return sinh(x) +} + +func sinh(x float64) float64 { // The coefficients are #2029 from Hart & Cheney. (20.36D) const ( P0 = -0.6307673640497716991184787251e+6 @@ -68,6 +75,13 @@ func Sinh(x float64) float64 { // Cosh(±Inf) = +Inf // Cosh(NaN) = NaN func Cosh(x float64) float64 { + if haveArchCosh { + return archCosh(x) + } + return cosh(x) +} + +func cosh(x float64) float64 { x = Abs(x) if x > 21 { return Exp(x) * 0.5 |