mirror of
https://github.com/golang/go
synced 2024-11-05 18:36:08 +00:00
452 lines
8.3 KiB
Go
452 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 = 1e5
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func
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i64rand() int64 {
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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b = a%-101; i8test(a,b,-101);
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}
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}
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func
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u8rand() uint8 {
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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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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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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%127; u8test(a,b,127);
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}
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}
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func
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main() {
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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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