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Diffstat (limited to 'src/pkg/math/sqrt.go')
| -rw-r--r-- | src/pkg/math/sqrt.go | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/pkg/math/sqrt.go b/src/pkg/math/sqrt.go new file mode 100644 index 000000000..ff5cc91e0 --- /dev/null +++ b/src/pkg/math/sqrt.go @@ -0,0 +1,14 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +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 { return sqrtGo(x) } |