// 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) | |
} |