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| author | Ian Lance Taylor <iant@golang.org> | 2021-09-13 10:37:49 -0700 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2021-09-13 10:37:49 -0700 |
| commit | e252b51ccde010cbd2a146485d8045103cd99533 (patch) | |
| tree | e060f101cdc32bf5e520de8e5275db9d4236b74c /libgo/go/math/sinh.go | |
| parent | f10c7c4596dda99d2ee872c995ae4aeda65adbdf (diff) | |
| parent | 104c05c5284b7822d770ee51a7d91946c7e56d50 (diff) | |
| download | gcc-e252b51ccde010cbd2a146485d8045103cd99533.zip gcc-e252b51ccde010cbd2a146485d8045103cd99533.tar.gz gcc-e252b51ccde010cbd2a146485d8045103cd99533.tar.bz2 | |
Merge from trunk revision 104c05c5284b7822d770ee51a7d91946c7e56d50.
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 |