mirror of https://github.com/k3s-io/k3s
26 lines
625 B
Go
26 lines
625 B
Go
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// Copyright ©2015 The Gonum Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build !amd64 noasm appengine safe
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package math32
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import (
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"math"
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)
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// Sqrt returns the square root of x.
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//
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// Special cases are:
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// Sqrt(+Inf) = +Inf
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// Sqrt(±0) = ±0
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// Sqrt(x < 0) = NaN
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// Sqrt(NaN) = NaN
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func Sqrt(x float32) float32 {
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// FIXME(kortschak): Direct translation of the math package
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// asm code for 386 fails to build. No test hardware is available
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// for arm, so using conversion instead.
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return float32(math.Sqrt(float64(x)))
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}
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