File: bug470.go

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (26 lines) | stat: -rw-r--r-- 608 bytes parent folder | download | duplicates (42) 
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))
	}
}