// $G $D/$F.go && $L $F.$A && ./$A.out // Copyright 2009 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. package main const ( ci8 = -1<<7; ci16 = -1<<15 + 100; ci32 = -1<<31 + 100000; ci64 = -1<<63 + 10000000001; cu8 = 1<<8 - 1; cu16 = 1<<16 - 1234; cu32 = 1<<32 - 1234567; cu64 = 1<<64 - 1234567890123; cf32 = 1e8 + 0.5; cf64 = -1e8 + 0.5; ) var ( i8 int8 = ci8; i16 int16 = ci16; i32 int32 = ci32; i64 int64 = ci64; u8 uint8 = cu8; u16 uint16 = cu16; u32 uint32 = cu32; u64 uint64 = cu64; // f32 float32 = 1e8 + 0.5; // f64 float64 = -1e8 + 0.5; ) func chki8(i, v int8) { if i != v { panicln(i, "!=", v) } } func chki16(i, v int16) { if i != v { panicln(i, "!=", v) } } func chki32(i, v int32) { if i != v { panicln(i, "!=", v) } } func chki64(i, v int64) { if i != v { panicln(i, "!=", v) } } func chku8(i, v uint8) { if i != v { panicln(i, "!=", v) } } func chku16(i, v uint16) { if i != v { panicln(i, "!=", v) } } func chku32(i, v uint32) { if i != v { panicln(i, "!=", v) } } func chku64(i, v uint64) { if i != v { panicln(i, "!=", v) } } //func chkf32(f, v float32) { if f != v { panicln(f, "!=", v) } } //func chkf64(f, v float64) { if f != v { panicln(f, "!=", v) } } func main() { chki8(int8(i8), ci8 & 0xff - 1<<8); chki8(int8(i16), ci16 & 0xff); chki8(int8(i32), ci32 & 0xff - 1<<8); chki8(int8(i64), ci64 & 0xff); chki8(int8(u8), cu8 & 0xff - 1<<8); chki8(int8(u16), cu16 & 0xff); chki8(int8(u32), cu32 & 0xff); chki8(int8(u64), cu64 & 0xff); // chki8(int8(f32), 0); // chki8(int8(f64), 0); chki16(int16(i8), ci8 & 0xffff - 1<<16); chki16(int16(i16), ci16 & 0xffff - 1<<16); chki16(int16(i32), ci32 & 0xffff - 1<<16); chki16(int16(i64), ci64 & 0xffff - 1<<16); chki16(int16(u8), cu8 & 0xffff); chki16(int16(u16), cu16 & 0xffff - 1<<16); chki16(int16(u32), cu32 & 0xffff); chki16(int16(u64), cu64 & 0xffff - 1<<16); // chki16(int16(f32), 0); // chki16(int16(f64), 0); chki32(int32(i8), ci8 & 0xffffffff - 1<<32); chki32(int32(i16), ci16 & 0xffffffff - 1<<32); chki32(int32(i32), ci32 & 0xffffffff - 1<<32); chki32(int32(i64), ci64 & 0xffffffff); chki32(int32(u8), cu8 & 0xffffffff); chki32(int32(u16), cu16 & 0xffffffff); chki32(int32(u32), cu32 & 0xffffffff - 1<<32); chki32(int32(u64), cu64 & 0xffffffff - 1<<32); // chki32(int32(f32), 0); // chki32(int32(f64), 0); chki64(int64(i8), ci8 & 0xffffffffffffffff - 1<<64); chki64(int64(i16), ci16 & 0xffffffffffffffff - 1<<64); chki64(int64(i32), ci32 & 0xffffffffffffffff - 1<<64); chki64(int64(i64), ci64 & 0xffffffffffffffff - 1<<64); chki64(int64(u8), cu8 & 0xffffffffffffffff); chki64(int64(u16), cu16 & 0xffffffffffffffff); chki64(int64(u32), cu32 & 0xffffffffffffffff); chki64(int64(u64), cu64 & 0xffffffffffffffff - 1<<64); // chki64(int64(f32), 0); // chki64(int64(f64), 0); chku8(uint8(i8), ci8 & 0xff); chku8(uint8(i16), ci16 & 0xff); chku8(uint8(i32), ci32 & 0xff); chku8(uint8(i64), ci64 & 0xff); chku8(uint8(u8), cu8 & 0xff); chku8(uint8(u16), cu16 & 0xff); chku8(uint8(u32), cu32 & 0xff); chku8(uint8(u64), cu64 & 0xff); // chku8(uint8(f32), 0); // chku8(uint8(f64), 0); chku16(uint16(i8), ci8 & 0xffff); chku16(uint16(i16), ci16 & 0xffff); chku16(uint16(i32), ci32 & 0xffff); chku16(uint16(i64), ci64 & 0xffff); chku16(uint16(u8), cu8 & 0xffff); chku16(uint16(u16), cu16 & 0xffff); chku16(uint16(u32), cu32 & 0xffff); chku16(uint16(u64), cu64 & 0xffff); // chku16(uint16(f32), 0); // chku16(uint16(f64), 0); chku32(uint32(i8), ci8 & 0xffffffff); chku32(uint32(i16), ci16 & 0xffffffff); chku32(uint32(i32), ci32 & 0xffffffff); chku32(uint32(i64), ci64 & 0xffffffff); chku32(uint32(u8), cu8 & 0xffffffff); chku32(uint32(u16), cu16 & 0xffffffff); chku32(uint32(u32), cu32 & 0xffffffff); chku32(uint32(u64), cu64 & 0xffffffff); // chku32(uint32(f32), 0); // chku32(uint32(f64), 0); chku64(uint64(i8), ci8 & 0xffffffffffffffff); chku64(uint64(i16), ci16 & 0xffffffffffffffff); chku64(uint64(i32), ci32 & 0xffffffffffffffff); chku64(uint64(i64), ci64 & 0xffffffffffffffff); chku64(uint64(u8), cu8 & 0xffffffffffffffff); chku64(uint64(u16), cu16 & 0xffffffffffffffff); chku64(uint64(u32), cu32 & 0xffffffffffffffff); chku64(uint64(u64), cu64 & 0xffffffffffffffff); // chku64(uint64(f32), 0); // chku64(uint64(f64), 0); }