Turn... Bit operations in C #, non-logical ~, Logical and &, logical or |, logical XOR or ^, logical left shift
In C #, we will use in-place operations. For example, to determine whether a number is the power of 2, how to determine whether a
The arithmetic right shift and logical right shift of negative numbers in JavaScript are very confusing, especially the logical right shift >>>, you will find that even a very small negative number, after the right shift, will also get a huge
From: http://romway.blog.163.com/blog/static/63898227200802945318599/
1) arithmetic shift when the multiplier or divisor is 2n, the arithmetic shift is used to quickly perform multiplication or Division operations on integers. Shift n places to the
1. arithmetic operation points
(1) shift operation
① Original code shift: the original code does not change the form of the original code when performing arithmetic shift left or arithmetic shift right. Shifts one digit to the left is equal to
Big integer algorithm [05] shift operation, integer 05
In the previous blog post, we talked about operations related to the entire number of digits. This time the content is still related to bit operations: shift operations. It should be noted that
Reference: http://blog.sina.com.cn/s/blog_944790400101bsi8.htmlHttp://www.feiesoft.com/asm/05-2-05.htmlint 8 ; int Main () { = i3; Output i =+}Excuse me: Does the above variable I use logical shift or arithmetic shift? Logical shift, simple
Depending on the result of the operation, other arithmetic shifts and logical shifts have no effect other than the right shift of negative numbers.(It usually happens in negative numbers)Logical right Shift: When you shift to the right, because the
1. Arithmetic left shift logic left
The arithmetic left shift and the logical left shift are the right 0:
Like 00101011.
Shift arithmetic left one: 01010110
Shift logic left one: 01010110
For binary values, the left-shift n-bit equals the
The shift operation of C language is one of the most frequent operations that programmers use every day, and the shift operation can save us a lot of time and the program can be written more beautifully. We say that the shift operation can be
The object of the shift operator operation is the binary bit, which can be used to handle int integers with the shift operator alone.
Operator
Meaning
Example
Left-shift operator, moves the left-hand
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