diff options
Diffstat (limited to 'libgo/go/math/cmplx/polar.go')
-rw-r--r-- | libgo/go/math/cmplx/polar.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libgo/go/math/cmplx/polar.go b/libgo/go/math/cmplx/polar.go new file mode 100644 index 0000000..9b192bc --- /dev/null +++ b/libgo/go/math/cmplx/polar.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 + +// Polar returns the absolute value r and phase θ of x, +// such that x = r * e**θi. +// The phase is in the range [-Pi, Pi]. +func Polar(x complex128) (r, θ float64) { + return Abs(x), Phase(x) +} |