| Russ Cox | 08bfb39 | 2011-07-28 14:18:22 -0400 | [diff] [blame] | 1 | // $G $D/$F.go && $L $F.$A && ./$A.out |
| 2 | |
| 3 | // Copyright 2011 The Go Authors. All rights reserved. |
| 4 | // Use of this source code is governed by a BSD-style |
| 5 | // license that can be found in the LICENSE file. |
| 6 | |
| 7 | // divide corner cases |
| 8 | |
| 9 | package main |
| 10 | |
| 11 | import "fmt" |
| 12 | |
| 13 | func f8(x, y, q, r int8) { |
| 14 | if t := x / y; t != q { |
| 15 | fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q) |
| 16 | } |
| 17 | if t := x % y; t != r { |
| 18 | fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r) |
| 19 | } |
| 20 | } |
| 21 | |
| 22 | func f16(x, y, q, r int16) { |
| 23 | if t := x / y; t != q { |
| 24 | fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q) |
| 25 | } |
| 26 | if t := x % y; t != r { |
| 27 | fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r) |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | func f32(x, y, q, r int32) { |
| 32 | if t := x / y; t != q { |
| 33 | fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q) |
| 34 | } |
| 35 | if t := x % y; t != r { |
| 36 | fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r) |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | func f64(x, y, q, r int64) { |
| 41 | if t := x / y; t != q { |
| 42 | fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q) |
| 43 | } |
| 44 | if t := x % y; t != r { |
| 45 | fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r) |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | func main() { |
| 50 | f8(-1<<7, -1, -1<<7, 0) |
| 51 | f16(-1<<15, -1, -1<<15, 0) |
| 52 | f32(-1<<31, -1, -1<<31, 0) |
| 53 | f64(-1<<63, -1, -1<<63, 0) |
| 54 | } |
