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-rw-r--r--test/fixedbugs/bug321.go30
1 files changed, 30 insertions, 0 deletions
diff --git a/test/fixedbugs/bug321.go b/test/fixedbugs/bug321.go
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+++ b/test/fixedbugs/bug321.go
@@ -0,0 +1,30 @@
+// run
+
+// Copyright 2011 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.
+
+// Troublesome floating point constants. Issue 1463.
+
+package main
+
+import "fmt"
+
+func check(test string, got, want float64) bool {
+ if got != want {
+ fmt.Println(test, "got", got, "want", want)
+ return false
+ }
+ return true
+}
+
+func main() {
+ good := true
+ // http://www.exploringbinary.com/java-hangs-when-converting-2-2250738585072012e-308/
+ good = good && check("2.2250738585072012e-308", 2.2250738585072012e-308, 2.2250738585072014e-308)
+ // http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
+ good = good && check("2.2250738585072011e-308", 2.2250738585072011e-308, 2.225073858507201e-308)
+ if !good {
+ panic("fail")
+ }
+}