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Diffstat (limited to 'libgo/go/math/cmplx/abs.go')
-rw-r--r-- | libgo/go/math/cmplx/abs.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libgo/go/math/cmplx/abs.go b/libgo/go/math/cmplx/abs.go new file mode 100644 index 0000000..f3cd107 --- /dev/null +++ b/libgo/go/math/cmplx/abs.go @@ -0,0 +1,12 @@ +// 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 provides basic constants and mathematical functions for +// complex numbers. +package cmplx + +import "math" + +// Abs returns the absolute value (also called the modulus) of x. +func Abs(x complex128) float64 { return math.Hypot(real(x), imag(x)) } |