github.com/twelsh-aw/go/src@v0.0.0-20230516233729-a56fe86a7c81/math/cmplx/abs.go (about)

     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 provides basic constants and mathematical functions for
     6  // complex numbers. Special case handling conforms to the C99 standard
     7  // Annex G IEC 60559-compatible complex arithmetic.
     8  package cmplx
     9  
    10  import "math"
    11  
    12  // Abs returns the absolute value (also called the modulus) of x.
    13  func Abs(x complex128) float64 { return math.Hypot(real(x), imag(x)) }