diff options
Diffstat (limited to 'src/lib/math/asin.go')
| -rw-r--r-- | src/lib/math/asin.go | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/src/lib/math/asin.go b/src/lib/math/asin.go index effaba85e..e866d95c6 100644 --- a/src/lib/math/asin.go +++ b/src/lib/math/asin.go @@ -13,11 +13,6 @@ import "math" * Arctan is called after appropriate range reduction. */ -const -( - pio2 = .15707963267948966192313216e1 -) - export func Asin(arg float64) float64 { var temp, x float64; var sign bool; @@ -34,7 +29,7 @@ export func Asin(arg float64) float64 { temp = Sqrt(1 - x*x); if x > 0.7 { - temp = pio2 - Atan(temp/x); + temp = Pi/2 - Atan(temp/x); } else { temp = Atan(x/temp); } @@ -49,5 +44,5 @@ export func Acos(arg float64) float64 { if arg > 1 || arg < -1 { return sys.NaN(); } - return pio2 - Asin(arg); + return Pi/2 - Asin(arg); } |