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