bitwise and

The second improved algorithm uses bitwise techniques and it adopts the bad character rule of BM algorithm. The algorithm is very rapid in practical running.

第二种是基于位逻辑运算符的算法，该算法采用了BM的坏字符规则，在实际运行中速度很快。

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Bitwise operation needs less resource and is very efficient in operation. It improves the processing efficiency.

位运算具有占用资源少、高效运算的特性，对数据的处理效率带来很大的提升，将位运算应用于运动估计中也是非常有必要的。

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Performs a bitwise AND on two expressions.

对两个表达式执行按位“与”运算.

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First, let â™ s convert both numbers to binary, then apply bitwise AND and OR for each bit using our truth tables, and, finally, convert the binary result back to an integer number.

首先，要将这两个数字转换成二进制数字，然后通过真值表对每一个位进行AND和OR运算，最后将二进制结果还原成整型数字。

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The bitwise AND operator (&) produces a one in the output bit if both input bits are one;

若两个输入位都是1，则按位AND运算符（&）在输出位里生成一个1；

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For integral types, & computes the logical bitwise AND of its operands.

对于整型, & 计算操作数的逻辑按位“与”.

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The Bitwise Exclusive OR Operator and its Application to Strategy for Playing

按位异或及其在求解游戏策略问题中的应用

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the & operator yields the bitwise and of its arguments, which must be plain or long integers. the arguments are converted to a common type.

运算符进行比特级的AND（与）运算，参数必须是普通整数或长整数。参数转换成通用类型。

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This allows you to perform bitwise logical AND, OR, XOR, and NOT comparisons.

这样便可以执行逐位的逻辑AND、OR、XOR和NOT比较。

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For integral types, & computes the logical bitwise AND of its operands.

对于整型, & 计算操作数的逻辑按位“与”.

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the & operator yields the bitwise and of its arguments, which must be plain or long integers. the arguments are converted to a common type.

运算符进行比特级的AND（与）运算，参数必须是普通整数或长整数。参数转换成通用类型。

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Because the bitwise logical operations are well supported by computer hardware, the bitmaps can easily and efficiently be combined to answer queries.

由于按位逻辑运算与硬件接近，所以位图能够快捷有效地响应查询。

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The bitwise AND operator (&) produces a one in the output bit if both input bits are one;

若两个输入位都是1，则按位AND运算符（&）在输出位里生成一个1；

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A language construct that specifies an operation and identifies its operands, if any. The bitwise operators come from C's low-level orientation;

指出某种操作并标识其操作数（如果有操作数的话）的一种语言构造。按位运算来源于c语言的低级操作。

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Now we need to provide bitwise operation functions:& ( and),' ( or),^ ( exclusive or), or~ ( not).

现在，我们需要提供逐位运算函数：&（and）、（or）、^（exclusive or）、or~（not）。

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Bitwise operations perform logical AND, OR, EXLUSIVE OR, and NOT operations on binary representations of their integer arguments.

逐位运算在其二进制形式的整型变量上执行逻辑AND、OR、EXLUSIVE OR和NOT运算。

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As I mentioned in the introduction, PL/ SQL and T-SQL supports bitwise operations between arguments declared as integer.

正如简介中提到的，PL/SQL和T-SQL支持声明为integer的变量之间的逐位运算。

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