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5f0141ca4c
Changes made in dsp/fourier/internal/fftpack break the formatting used there, so these are reverted. There will be complaints in CI. [git-generate] gofmt -w . go generate gonum.org/v1/gonum/blas go generate gonum.org/v1/gonum/blas/gonum go generate gonum.org/v1/gonum/unit go generate gonum.org/v1/gonum/unit/constant go generate gonum.org/v1/gonum/graph/formats/dot go generate gonum.org/v1/gonum/graph/formats/rdf go generate gonum.org/v1/gonum/stat/card git checkout -- dsp/fourier/internal/fftpack
27 lines
615 B
Go
27 lines
615 B
Go
// 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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//go:build (!amd64 && !arm64) || noasm || gccgo || safe
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// +build !amd64,!arm64 noasm gccgo 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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//
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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.
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return float32(math.Sqrt(float64(x)))
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}
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