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Source file src/math/cmplx/isinf.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"
  
  // IsInf returns true if either real(x) or imag(x) is an infinity.
  func IsInf(x complex128) 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() complex128 {
  	inf := math.Inf(1)
  	return complex(inf, inf)
  }
  

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