mirror of
https://github.com/golang/go
synced 2024-11-05 18:36:08 +00:00
481 lines
8.3 KiB
Go
481 lines
8.3 KiB
Go
// $G $D/$F.go && $L $F.$A && ./$A.out
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// Copyright 2009 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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package main
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import "rand"
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const Count = 1e6
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func
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i64rand() int64
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{
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for {
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a := int64(rand.Uint32());
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a = (a<<32) | int64(rand.Uint32());
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a >>= uint(rand.Intn(64));
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if -a != a {
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return a;
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}
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}
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return 0; // impossible
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}
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func
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i64test(a,b,c int64)
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{
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d := a/c;
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if d != b {
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panicln("i64", a, b, c, d);
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}
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}
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func
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i64run()
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{
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var a, b int64;
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for i:=0; i<Count; i++ {
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a = i64rand();
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b = a/1; i64test(a,b,1);
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b = a/2; i64test(a,b,2);
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b = a/3; i64test(a,b,3);
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b = a/4; i64test(a,b,4);
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b = a/5; i64test(a,b,5);
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b = a/6; i64test(a,b,6);
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b = a/7; i64test(a,b,7);
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b = a/8; i64test(a,b,8);
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b = a/10; i64test(a,b,10);
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b = a/16; i64test(a,b,16);
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b = a/20; i64test(a,b,20);
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b = a/32; i64test(a,b,32);
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b = a/60; i64test(a,b,60);
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b = a/64; i64test(a,b,64);
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b = a/128; i64test(a,b,128);
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b = a/256; i64test(a,b,256);
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b = a/16384; i64test(a,b,16384);
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b = a/-1; i64test(a,b,-1);
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b = a/-2; i64test(a,b,-2);
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b = a/-3; i64test(a,b,-3);
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b = a/-4; i64test(a,b,-4);
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b = a/-5; i64test(a,b,-5);
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b = a/-6; i64test(a,b,-6);
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b = a/-7; i64test(a,b,-7);
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b = a/-8; i64test(a,b,-8);
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b = a/-10; i64test(a,b,-10);
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b = a/-16; i64test(a,b,-16);
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b = a/-20; i64test(a,b,-20);
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b = a/-32; i64test(a,b,-32);
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b = a/-60; i64test(a,b,-60);
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b = a/-64; i64test(a,b,-64);
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b = a/-128; i64test(a,b,-128);
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b = a/-256; i64test(a,b,-256);
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b = a/-16384; i64test(a,b,-16384);
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}
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}
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func
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u64rand() uint64
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{
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a := uint64(rand.Uint32());
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a = (a<<32) | uint64(rand.Uint32());
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a >>= uint(rand.Intn(64));
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return a;
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}
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func
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u64test(a,b,c uint64)
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{
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d := a/c;
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if d != b {
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panicln("u64", a, b, c, d);
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}
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}
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func
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u64run()
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{
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var a, b uint64;
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for i:=0; i<Count; i++ {
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a = u64rand();
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b = a/1; u64test(a,b,1);
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b = a/2; u64test(a,b,2);
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b = a/3; u64test(a,b,3);
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b = a/4; u64test(a,b,4);
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b = a/5; u64test(a,b,5);
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b = a/6; u64test(a,b,6);
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b = a/7; u64test(a,b,7);
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b = a/8; u64test(a,b,8);
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b = a/10; u64test(a,b,10);
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b = a/16; u64test(a,b,16);
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b = a/20; u64test(a,b,20);
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b = a/32; u64test(a,b,32);
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b = a/60; u64test(a,b,60);
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b = a/64; u64test(a,b,64);
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b = a/128; u64test(a,b,128);
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b = a/256; u64test(a,b,256);
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b = a/16384; u64test(a,b,16384);
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}
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}
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func
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i32rand() int32
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{
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for {
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a := int32(rand.Uint32());
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a >>= uint(rand.Intn(32));
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if -a != a {
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return a;
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}
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}
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return 0; // impossible
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}
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func
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i32test(a,b,c int32)
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{
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d := a/c;
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if d != b {
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panicln("i32", a, b, c, d);
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}
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}
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func
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i32run()
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{
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var a, b int32;
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for i:=0; i<Count; i++ {
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a = i32rand();
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b = a/1; i32test(a,b,1);
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b = a/2; i32test(a,b,2);
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b = a/3; i32test(a,b,3);
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b = a/4; i32test(a,b,4);
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b = a/5; i32test(a,b,5);
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b = a/6; i32test(a,b,6);
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b = a/7; i32test(a,b,7);
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b = a/8; i32test(a,b,8);
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b = a/10; i32test(a,b,10);
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b = a/16; i32test(a,b,16);
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b = a/20; i32test(a,b,20);
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b = a/32; i32test(a,b,32);
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b = a/60; i32test(a,b,60);
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b = a/64; i32test(a,b,64);
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b = a/128; i32test(a,b,128);
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b = a/256; i32test(a,b,256);
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b = a/16384; i32test(a,b,16384);
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b = a/-1; i32test(a,b,-1);
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b = a/-2; i32test(a,b,-2);
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b = a/-3; i32test(a,b,-3);
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b = a/-4; i32test(a,b,-4);
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b = a/-5; i32test(a,b,-5);
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b = a/-6; i32test(a,b,-6);
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b = a/-7; i32test(a,b,-7);
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b = a/-8; i32test(a,b,-8);
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b = a/-10; i32test(a,b,-10);
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b = a/-16; i32test(a,b,-16);
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b = a/-20; i32test(a,b,-20);
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b = a/-32; i32test(a,b,-32);
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b = a/-60; i32test(a,b,-60);
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b = a/-64; i32test(a,b,-64);
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b = a/-128; i32test(a,b,-128);
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b = a/-256; i32test(a,b,-256);
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}
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}
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func
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u32rand() uint32
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{
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a := uint32(rand.Uint32());
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a >>= uint(rand.Intn(32));
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return a;
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}
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func
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u32test(a,b,c uint32)
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{
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d := a/c;
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if d != b {
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panicln("u32", a, b, c, d);
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}
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}
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func
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u32run()
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{
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var a, b uint32;
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for i:=0; i<Count; i++ {
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a = u32rand();
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b = a/1; u32test(a,b,1);
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b = a/2; u32test(a,b,2);
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b = a/3; u32test(a,b,3);
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b = a/4; u32test(a,b,4);
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b = a/5; u32test(a,b,5);
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b = a/6; u32test(a,b,6);
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b = a/7; u32test(a,b,7);
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b = a/8; u32test(a,b,8);
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b = a/10; u32test(a,b,10);
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b = a/16; u32test(a,b,16);
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b = a/20; u32test(a,b,20);
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b = a/32; u32test(a,b,32);
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b = a/60; u32test(a,b,60);
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b = a/64; u32test(a,b,64);
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b = a/128; u32test(a,b,128);
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b = a/256; u32test(a,b,256);
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b = a/16384; u32test(a,b,16384);
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}
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}
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func
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i16rand() int16
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{
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for {
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a := int16(rand.Uint32());
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a >>= uint(rand.Intn(16));
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if -a != a {
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return a;
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}
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}
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return 0; // impossible
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}
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func
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i16test(a,b,c int16)
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{
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d := a/c;
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if d != b {
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panicln("i16", a, b, c, d);
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}
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}
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func
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i16run()
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{
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var a, b int16;
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for i:=0; i<Count; i++ {
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a = i16rand();
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b = a/1; i16test(a,b,1);
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b = a/2; i16test(a,b,2);
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b = a/3; i16test(a,b,3);
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b = a/4; i16test(a,b,4);
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b = a/5; i16test(a,b,5);
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b = a/6; i16test(a,b,6);
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b = a/7; i16test(a,b,7);
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b = a/8; i16test(a,b,8);
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b = a/10; i16test(a,b,10);
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b = a/16; i16test(a,b,16);
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b = a/20; i16test(a,b,20);
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b = a/32; i16test(a,b,32);
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b = a/60; i16test(a,b,60);
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b = a/64; i16test(a,b,64);
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b = a/128; i16test(a,b,128);
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b = a/256; i16test(a,b,256);
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b = a/16384; i16test(a,b,16384);
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b = a/-1; i16test(a,b,-1);
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b = a/-2; i16test(a,b,-2);
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b = a/-3; i16test(a,b,-3);
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b = a/-4; i16test(a,b,-4);
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b = a/-5; i16test(a,b,-5);
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b = a/-6; i16test(a,b,-6);
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b = a/-7; i16test(a,b,-7);
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b = a/-8; i16test(a,b,-8);
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b = a/-10; i16test(a,b,-10);
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b = a/-16; i16test(a,b,-16);
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b = a/-20; i16test(a,b,-20);
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b = a/-32; i16test(a,b,-32);
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b = a/-60; i16test(a,b,-60);
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b = a/-64; i16test(a,b,-64);
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b = a/-128; i16test(a,b,-128);
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b = a/-256; i16test(a,b,-256);
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b = a/-16384; i16test(a,b,-16384);
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}
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}
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func
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u16rand() uint16
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{
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a := uint16(rand.Uint32());
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a >>= uint(rand.Intn(16));
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return a;
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}
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func
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u16test(a,b,c uint16)
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{
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d := a/c;
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if d != b {
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panicln("u16", a, b, c, d);
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}
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}
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func
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u16run()
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{
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var a, b uint16;
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for i:=0; i<Count; i++ {
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a = u16rand();
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b = a/1; u16test(a,b,1);
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b = a/2; u16test(a,b,2);
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b = a/3; u16test(a,b,3);
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b = a/4; u16test(a,b,4);
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b = a/5; u16test(a,b,5);
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b = a/6; u16test(a,b,6);
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b = a/7; u16test(a,b,7);
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b = a/8; u16test(a,b,8);
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b = a/10; u16test(a,b,10);
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b = a/16; u16test(a,b,16);
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b = a/20; u16test(a,b,20);
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b = a/32; u16test(a,b,32);
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b = a/60; u16test(a,b,60);
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b = a/64; u16test(a,b,64);
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b = a/128; u16test(a,b,128);
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b = a/256; u16test(a,b,256);
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b = a/16384; u16test(a,b,16384);
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}
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}
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func
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i8rand() int8
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{
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for {
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a := int8(rand.Uint32());
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a >>= uint(rand.Intn(8));
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if -a != a {
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return a;
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}
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}
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return 0; // impossible
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}
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func
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i8test(a,b,c int8)
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{
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d := a/c;
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if d != b {
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panicln("i8", a, b, c, d);
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}
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}
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func
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i8run()
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{
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var a, b int8;
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for i:=0; i<Count; i++ {
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a = i8rand();
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b = a/1; i8test(a,b,1);
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b = a/2; i8test(a,b,2);
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b = a/3; i8test(a,b,3);
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b = a/4; i8test(a,b,4);
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b = a/5; i8test(a,b,5);
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b = a/6; i8test(a,b,6);
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b = a/7; i8test(a,b,7);
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b = a/8; i8test(a,b,8);
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b = a/10; i8test(a,b,10);
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b = a/8; i8test(a,b,8);
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b = a/20; i8test(a,b,20);
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b = a/32; i8test(a,b,32);
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b = a/60; i8test(a,b,60);
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b = a/64; i8test(a,b,64);
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b = a/127; i8test(a,b,127);
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b = a/-1; i8test(a,b,-1);
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b = a/-2; i8test(a,b,-2);
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b = a/-3; i8test(a,b,-3);
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b = a/-4; i8test(a,b,-4);
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b = a/-5; i8test(a,b,-5);
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b = a/-6; i8test(a,b,-6);
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b = a/-7; i8test(a,b,-7);
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b = a/-8; i8test(a,b,-8);
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b = a/-10; i8test(a,b,-10);
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b = a/-8; i8test(a,b,-8);
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b = a/-20; i8test(a,b,-20);
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b = a/-32; i8test(a,b,-32);
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b = a/-60; i8test(a,b,-60);
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b = a/-64; i8test(a,b,-64);
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b = a/-128; i8test(a,b,-128);
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}
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}
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func
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u8rand() uint8
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{
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a := uint8(rand.Uint32());
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a >>= uint(rand.Intn(8));
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return a;
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}
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func
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u8test(a,b,c uint8)
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{
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d := a/c;
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if d != b {
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panicln("u8", a, b, c, d);
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}
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}
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func
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u8run()
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{
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var a, b uint8;
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for i:=0; i<Count; i++ {
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a = u8rand();
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b = a/1; u8test(a,b,1);
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b = a/2; u8test(a,b,2);
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b = a/3; u8test(a,b,3);
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b = a/4; u8test(a,b,4);
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b = a/5; u8test(a,b,5);
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b = a/6; u8test(a,b,6);
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b = a/7; u8test(a,b,7);
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b = a/8; u8test(a,b,8);
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b = a/10; u8test(a,b,10);
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b = a/8; u8test(a,b,8);
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b = a/20; u8test(a,b,20);
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b = a/32; u8test(a,b,32);
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b = a/60; u8test(a,b,60);
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b = a/64; u8test(a,b,64);
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b = a/128; u8test(a,b,128);
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b = a/184; u8test(a,b,184);
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}
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}
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func xtest()
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func
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main()
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{
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xtest();
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i64run();
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u64run();
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i32run();
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u32run();
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i16run();
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u16run();
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i8run();
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u8run();
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}
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func
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xtest()
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{
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}
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