go/test/fixedbugs/bug321.go

31 строка
830 B
Go

// 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")
}
}