| Linux in-mum-web1499.main-hosting.eu 5.14.0-503.40.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Mon May 5 06:06:04 EDT 2025 x86_64 Path : /opt/golang/1.22.0/src/math/cmplx/ |
| Current File : //opt/golang/1.22.0/src/math/cmplx/isnan.go |
// 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"
// IsNaN reports whether either real(x) or imag(x) is NaN
// and neither is an infinity.
func IsNaN(x complex128) bool {
switch {
case math.IsInf(real(x), 0) || math.IsInf(imag(x), 0):
return false
case 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 complex(nan, nan)
}