1// run
2
3// Copyright 2011 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Troublesome floating point constants. Issue 1463.
8
9package main
10
11import "fmt"
12
13func check(test string, got, want float64) bool {
14	if got != want {
15		fmt.Println(test, "got", got, "want", want)
16		return false
17	}
18	return true
19}
20
21func main() {
22	good := true
23	// http://www.exploringbinary.com/java-hangs-when-converting-2-2250738585072012e-308/
24	good = good && check("2.2250738585072012e-308", 2.2250738585072012e-308, 2.2250738585072014e-308)
25	// http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
26	good = good && check("2.2250738585072011e-308", 2.2250738585072011e-308, 2.225073858507201e-308)
27	if !good {
28		panic("fail")
29	}
30}
31