From: Martynas Budriūnas <mabu@google.com>
Date: Sat, 15 Jul 2017 18:58:19 +0000 (-0600)
Subject: math: add a Sqrt example
X-Git-Tag: go1.9rc1~54
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=41af3fa33ed54c1cb2095385f723ba1636485a11;p=gostls13.git

math: add a Sqrt example

Change-Id: I259e25b9d0b069912053a250e9739e04fafca54d
Reviewed-on: https://go-review.googlesource.com/48892
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
---

diff --git a/src/math/example_test.go b/src/math/example_test.go
new file mode 100644
index 0000000000..12e9876730
--- /dev/null
+++ b/src/math/example_test.go
@@ -0,0 +1,20 @@
+// Copyright 2017 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 math_test
+
+import (
+	"fmt"
+	"math"
+)
+
+func ExampleSqrt() {
+	const (
+		a = 3
+		b = 4
+	)
+	c := math.Sqrt(a*a + b*b)
+	fmt.Printf("%.1f", c)
+	// Output: 5.0
+}