File: bug470.go

package info (click to toggle)
golang 2%3A1.1.1-4
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd, stretch
  • size: 40,484 kB
  • ctags: 82,280
  • sloc: ansic: 165,236; asm: 14,184; yacc: 5,341; perl: 4,802; sh: 1,958; xml: 968; lisp: 730; python: 264; makefile: 257; awk: 103
file content (26 lines) | stat: -rw-r--r-- 609 bytes parent folder | download | duplicates (25)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// 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.

// Converting constants between types must introduce rounding.

package main

import "fmt"

const (
    F32 = 0.00999999977648258209228515625
    F64 = 0.01000000000000000020816681711721685132943093776702880859375
)

var F = float64(float32(0.01))

func main() {
	// 0.01 rounded to float32 then to float64 is F32.
	// 0.01 represented directly in float64 is F64.
	if F != F32 {
		panic(fmt.Sprintf("F=%.1000g, want %.1000g", F, F32))
	}
}