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Source file src/math/cmplx/isinf.go

     1	// Copyright 2010 The Go Authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style
     3	// license that can be found in the LICENSE file.
     4	
     5	package cmplx
     6	
     7	import "math"
     8	
     9	// IsInf returns true if either real(x) or imag(x) is an infinity.
    10	func IsInf(x complex128) bool {
    11		if math.IsInf(real(x), 0) || math.IsInf(imag(x), 0) {
    12			return true
    13		}
    14		return false
    15	}
    16	
    17	// Inf returns a complex infinity, complex(+Inf, +Inf).
    18	func Inf() complex128 {
    19		inf := math.Inf(1)
    20		return complex(inf, inf)
    21	}
    22	

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