| Linux in-mum-web1499.main-hosting.eu 5.14.0-503.40.1.el9_5.x86_64 #1 SMP PREEMPT_DYNAMIC Mon May 5 06:06:04 EDT 2025 x86_64 Path : /opt/golang/1.22.0/test/fixedbugs/ |
| Current File : //opt/golang/1.22.0/test/fixedbugs/bug434.go |
// run
// Copyright 2012 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.
// Test that typed and untyped negative zero floating point constants
// are treated as equivalent to zero constants.
package main
import "math"
const zero = 0.0
func main() {
x := -zero
b := math.Float64bits(x)
if b != 0 {
panic(b)
}
x = -float64(zero)
b = math.Float64bits(x)
if b != 0 {
panic(b)
}
v := x
b = math.Float64bits(-v)
if b != 0x8000000000000000 {
panic(b)
}
}