Source File
	isinf.go

Belonging Package
	math/cmplx

// Copyright 2010 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 cmplx

import "math"

// IsInf reports whether either real(x) or imag(x) is an infinity.
func IsInf(x complex128) bool {
	if math.IsInf(real(x), 0) || math.IsInf(imag(x), 0) {
		return true
	}
	return false
}

// Inf returns a complex infinity, complex(+Inf, +Inf).
func Inf() complex128 {
	inf := math.Inf(1)
	return complex(inf, inf)
}

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