Rémy Oudompheng | 2ece2f5 | 2012-02-18 22:15:42 +0100 | [diff] [blame] | 1 | // run |
Eoghan Sherry | cf63e34 | 2011-02-02 22:36:54 -0500 | [diff] [blame] | 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 | |
| 9 | package main |
| 10 | |
| 11 | import "fmt" |
| 12 | |
| 13 | func 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 | |
| 21 | func 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 | } |