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63 lines
1.2 KiB
63 lines
1.2 KiB
4 months ago
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// run
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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test divide corner cases.
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package main
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import "fmt"
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func f8(x, y, q, r int8) {
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if t := x / y; t != q {
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fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
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panic("divide")
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}
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if t := x % y; t != r {
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fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
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panic("divide")
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}
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}
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func f16(x, y, q, r int16) {
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if t := x / y; t != q {
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fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
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panic("divide")
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}
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if t := x % y; t != r {
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fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
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panic("divide")
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}
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}
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func f32(x, y, q, r int32) {
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if t := x / y; t != q {
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fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
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panic("divide")
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}
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if t := x % y; t != r {
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fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
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panic("divide")
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}
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}
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func f64(x, y, q, r int64) {
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if t := x / y; t != q {
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fmt.Printf("%d/%d = %d, want %d\n", x, y, t, q)
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panic("divide")
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}
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if t := x % y; t != r {
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fmt.Printf("%d%%%d = %d, want %d\n", x, y, t, r)
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panic("divide")
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}
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}
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func main() {
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f8(-1<<7, -1, -1<<7, 0)
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f16(-1<<15, -1, -1<<15, 0)
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f32(-1<<31, -1, -1<<31, 0)
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f64(-1<<63, -1, -1<<63, 0)
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}
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