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Diffstat (limited to 'src/pkg/math/sqrt.go')
| -rw-r--r-- | src/pkg/math/sqrt.go | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/src/pkg/math/sqrt.go b/src/pkg/math/sqrt.go index 21336df2a..1bd4437f1 100644 --- a/src/pkg/math/sqrt.go +++ b/src/pkg/math/sqrt.go @@ -4,15 +4,6 @@ package math -// Sqrt returns the square root of x. -// -// Special cases are: -// Sqrt(+Inf) = +Inf -// Sqrt(±0) = ±0 -// Sqrt(x < 0) = NaN -// Sqrt(NaN) = NaN -func Sqrt(x float64) float64 - // The original C code and the long comment below are // from FreeBSD's /usr/src/lib/msun/src/e_sqrt.c and // came with this notice. The go code is a simplified @@ -98,6 +89,8 @@ func Sqrt(x float64) float64 // Sqrt(±0) = ±0 // Sqrt(x < 0) = NaN // Sqrt(NaN) = NaN +func Sqrt(x float64) float64 + func sqrt(x float64) float64 { // special cases switch { |