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// 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 cmath
import "math"
// IsNaN returns true if either real(x) or imag(x) is NaN.
func IsNaN(x complex128) bool {
if math.IsNaN(real(x)) || math.IsNaN(imag(x)) {
return true
}
return false
}
// NaN returns a complex ``not-a-number'' value.
func NaN() complex128 {
nan := math.NaN()
return cmplx(nan, nan)
}
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