位操作，比如输出变量的二进制形式：include <stdio.h> void binprint(void* x, int n){ typedef unsigned char byte;byte* p = (byte*)x + n - 1;byte a;while(p != (byte*)x - 1) { a = 0x80;do { putchar(*p & a ? '1' : '0');if(a & 0x11)putchar('_');}w...
The <<= operator shifts the bits of result left by the number of bits specified in expression. The operator masks expression to avoid shifting result by too much. Otherwise, if the shift amount exceeded the number of bits in the data type of result, all the original bits would be shifted...
//Program to demonstrate the//example of the left-shift operator in C#.usingSystem;classLeftShiftDemo{publicstaticvoidMain(){intX=128;intY=256;intR=0;R=X<<2;Console.WriteLine("X<<2 ="+R);R=Y<<3;Console.WriteLine("Y<<3 ="+R);}} Output X<<2 = 512 Y<<3 = 2048 Press any k...
Left shifts the value of a variable by the number of bits specified in the value of an expression and assigns the result to the variable.复制 result <<= expression Argumentsresult Any variable.expression Any expression.RemarksUsing the <<= operator is exactly the same as specifying:...
In this article Syntax Remarks Left Shifts Right Shifts Show 4 more The bitwise shift operators are the right-shift operator (>>), which moves the bits of an integer or enumeration type expression to the right, and the left-shift operator (<<), which moves the bits to the left.1 ...
Bitwise Right Shift Operator (>>) Bitwise XOR Assignment Operator (^=) Bitwise XOR Operator (^) Comma Operator (,) Comparison Operators Compound Assignment Operators Conditional (Ternary) Operator (?:) delete Operator Division Assignment Operator (/=) Division Operat...
No matter left shift or right shift, the result's sign should always bethe same as its left operand. By default, const numbers in C/C++ is signed. -Wsign-compare { unsigned intj = 3; intk = 5; if (j == (1 << (j))); //warning: comparison between signed and unsigned integer...
The order of input is relevant in the Bitwise Left Shift operation. Binary values are stored in two's complement. The leftmost bit position is reserved for the sign of the value (positive or negative). If the integer is positive, the bit position is zero; if it's negative, the bit pos...
Shift Operator Reference Feedback DefinitionNamespace: System Assembly: System.Runtime.dll Source: UInt32.cs Shifts a value left by a given amount. C# نسخ static uint IShiftOperators<uint,int,uint>.operator << (uint value, int shiftAmount); P...
The order of input is relevant in the Bitwise Left Shift operation. Binary values are stored in two's complement. The leftmost bit position is reserved for the sign of the value (positive or negative). If the integer is positive, the bit position is zero; if it's negative, the bit pos...