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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/asin.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/asin.go')
| -rw-r--r-- | libgo/go/math/asin.go | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/libgo/go/math/asin.go b/libgo/go/math/asin.go index 46a5fe9..ac70bcb 100644 --- a/libgo/go/math/asin.go +++ b/libgo/go/math/asin.go @@ -16,14 +16,13 @@ package math // Special cases are: // Asin(±0) = ±0 // Asin(x) = NaN if x < -1 or x > 1 - -//extern asin -func libc_asin(float64) float64 - func Asin(x float64) float64 { return libc_asin(x) } +//extern asin +func libc_asin(float64) float64 + func asin(x float64) float64 { if x == 0 { return x // special case @@ -54,14 +53,13 @@ func asin(x float64) float64 { // // Special case is: // Acos(x) = NaN if x < -1 or x > 1 - -//extern acos -func libc_acos(float64) float64 - func Acos(x float64) float64 { return libc_acos(x) } +//extern acos +func libc_acos(float64) float64 + func acos(x float64) float64 { return Pi/2 - Asin(x) } |