+++ /dev/null
-// 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.
-
-// Copyright ©2017 The Gonum 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 cmplx64
-
-import math "gonum.org/v1/gonum/internal/math32"
-
-// IsNaN returns true if either real(x) or imag(x) is NaN
-// and neither is an infinity.
-func IsNaN(x complex64) 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() complex64 {
- nan := math.NaN()
- return complex(nan, nan)
-}