Source file src/math/cmplx/isinf.go

Documentation: math/cmplx

		 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 reports whether 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  

View as plain text