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- Warning C6290: Bitwise operation on logical result:! 警告C6290:对逻辑结果的位运算:!
- When you perform any kind of bitwise operation, the storage length of the expression used in the bitwise operation is important. 执行任何种类的位运算时,位运算中使用的表达式的存储长度都是很重要的。
- However,you probably won't use the bitwise operators much. 然而,也许不必过于频繁地进行按位运算。
- However, you probably won't use the bitwise operators much. 然而,由于操作系统的进步,现在也许不必过于频繁地进行按位运算。
- The algorithm is efficiently length-reduced compared with the traditional ones.It uses bitwise operation and shift logical for data substitution, and generates a length-fixed MAC. 算法通过位运算和逻辑移位进行数据替换,从而得到与验证的数据长度无关的定长MAC,有效减小了MAC的数据传输量。
- However, if you define one of these operators on a class or structure, you can define only its bitwise operation. 但是,如果在类或结构上定义这些运算符之一,则只能定义它的按位运算。
- Bitwise operators operate on the binary representation of the operands. 位操作符对操作数的二进制表示形式执行操作。
- For booleans the bitwise operators have the same effect as the logical operators except that they do not short circuit. 对于布尔值,按位运算符具有与逻辑运算符相同的效果,只是它们不会中途“短路”。
- Of course, with the shift and bitwise operators distributed around the table it is not a perfect mnemonic, but for non-bit operations it works. 当然,对于移位和按位运算符,上表并不是完美的助记方法;但对于其他运算来说,它确实很管用。
- If you do not use powers of two or combinations of powers of two, bitwise operations will not work as expected. 必须使用2的幂或2的幂组合,按位运算才能正常执行。
- Bitwise operators perform boolean algebra on the corresponding bits in the two arguments to produce the result. 按位运算符会对两个自变量中对应的位执行布尔代数,并最终生成一个结果。
- The bitwise operators allow you to manipulate individual bits in an integral primitive data type. 按位运算符允许我们操作一个整数主数据类型中的单个“比特”,即二进制位。
- The type of an integer manipulated by the bitwise operators can be either signed or unsigned. 位操作符操纵的整数的类型可以是有符号的也可以是无符号的。
- Also,bitwise operations on booleans include an XOR logical operator that is not included under the list of "logical" operators. 此外,针对布尔值进行的按位运算为我们新增了一个XOR逻辑运算符,它并未包括在“逻辑”运算符的列表中。
- Symmetric operators, such as the arithmetic, equality, relational, and bitwise operators, are best defined as ordinary nonmember functions. 对称的操作符,如算术操作符、相等操作符、关系操作符和位操作符,最好定义为普通非成员函数。
- Also, bitwise operations on booleans include an XOR logical operator that is not included under the list of "logical" operators. 此外,针对布尔值进行的按位运算为我们新增了一个XOR逻辑运算符,它并未包括在“逻辑”运算符的列表中。
- Also, bitwise operations on booleans include an XOR logical operator that is not included under the list of “logical” operators. 此外,针对布尔值进行的按位运算为我们新增了一个xor逻辑运算符,它并未包括在“逻辑”运算符的列表中。
- Of course,with the shift and bitwise operators distributed around the table it is not a perfect mnemonic,but for non-bit operations it works. 当然,对于移位和按位运算符,上表并不是完美的助记方法,但对于其他运算来说,它确实很管用。
- If the value is negative, then the way that the "sign bit" is handled in a number of the bitwise operations is machine-dependent. 如果操作数为负数,则位操作符如何处理其操作数的符号位依赖于机器。
- The logical and bitwise operators have the order of precedence described below, and all have lower precedence than the arithmetic, concatenation, and comparison operators. 逻辑运算符和位运算符具有下述优先顺序,它们的优先级均低于算术运算符、串联运算符和比较运算符。
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