File: cosh.go

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golang-github-chewxy-math32 1.11.1-3
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package math32

func Cosh(x float32) float32 {
	x = Abs(x)
	if x > 21 {
		return Exp(x) * 0.5
	}
	ex := Exp(x)
	return (ex + 1/ex) * 0.5
}