github.com/jingcheng-WU/gonum@v0.9.1-0.20210323123734-f1a2a11a8f7b/internal/math32/sqrt_arm64.go (about) 1 // Copyright 2009 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // Copyright ©2015 The Gonum Authors. All rights reserved. 6 // Use of this source code is governed by a BSD-style 7 // license that can be found in the LICENSE file. 8 9 // +build !noasm,!gccgo,!safe 10 11 package math32 12 13 // Sqrt returns the square root of x. 14 // 15 // Special cases are: 16 // Sqrt(+Inf) = +Inf 17 // Sqrt(±0) = ±0 18 // Sqrt(x < 0) = NaN 19 // Sqrt(NaN) = NaN 20 func Sqrt(x float32) float32