Imported Upstream version 60upstream/60

1 files changed, 12 insertions, 0 deletions

diff --git a/src/pkg/cmath/polar.go b/src/pkg/cmath/polar.go
new file mode 100644
index 000000000..033676acc
--- /dev/null
+++ b/src/pkg/cmath/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 cmath
+
+// 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)
+}