go/test/divide.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

62 lines
1.2 KiB
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.
// Test divide corner cases.
package main
import "fmt"
func f8(x, y, q, r int8) {
if t := x / y; t != q {
fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
panic("divide")
}
if t := x % y; t != r {
fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
panic("divide")
}
}
func f16(x, y, q, r int16) {
if t := x / y; t != q {
fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
panic("divide")
}
if t := x % y; t != r {
fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
panic("divide")
}
}
func f32(x, y, q, r int32) {
if t := x / y; t != q {
fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
panic("divide")
}
if t := x % y; t != r {
fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
panic("divide")
}
}
func f64(x, y, q, r int64) {
if t := x / y; t != q {
fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
panic("divide")
}
if t := x % y; t != r {
fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
panic("divide")
}
}
func main() {
f8(-1<<7, -1, -1<<7, 0)
f16(-1<<15, -1, -1<<15, 0)
f32(-1<<31, -1, -1<<31, 0)
f64(-1<<63, -1, -1<<63, 0)
}