| // 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" |
| |
| // IsInf returns true if either real(x) or imag(x) is an infinity. |
| func IsInf(x complex64) 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() complex64 { |
| inf := math.Inf(1) |
| return complex(inf, inf) |
| } |