boolean - What are bitwise operators? - Stack Overflow
In digital computer programming, a bitwise operation operates on one or more bit patterns or binary numerals at the level of their individual bits. It is a fast, primitive action directly …
c++ - How to set, clear, and toggle a single bit - Stack Overflow
This can cause all manner of subtle bugs because of implicit integer promotion or bitwise operations on signed types. thingstate = ThingFlag1 >> 1 will for example invoke …
What are bitwise shift (bit-shift) operators and how do they work?
The Bitwise operators are used to perform operations a bit-level or to manipulate bits in different ways. The bitwise operations are found to be much faster and are some times used to improve …
c++ - Performance wise, how fast are Bitwise Operators vs. Normal ...
Dec 5, 2013 · Bitwise operations are much faster. This is why the compiler will use bitwise operations for you. Actually, I think it will be faster to implement it as: ~i & 1 Similarly, if you …
Real world use cases of bitwise operators - Stack Overflow
I've used bitwise operations in implementing a security model for a CMS. It had pages which could be accessed by users if they were in appropriate groups. A user could be in multiple …
Can you use bitwise operators with enum classes without casting?
Oct 23, 2020 · Bit operations on Enum. 10. ... Conveniently defining bitwise operators for enums for creating bit flags. 1.
How can I multiply and divide using only bit shifting and adding?
May 5, 2010 · ok special cases aside it works. If you want to support unsigned integers I'm sure you can with some additional code. The main purpose of this answer was to show how simple …
practical applications of bitwise operations - Stack Overflow
Oct 7, 2010 · They can be used for a whole load of different applications, here is a questions I have previously posted here, which uses bitwise operations: Bitwise AND, Bitwise Inclusive …
Bitwise and in place of modulus operator - Stack Overflow
Jun 19, 2010 · Using bitwise_and, bitwise_or, and bitwise_not you can modify any bit configurations to another bit configurations (i.e. these set of operators are "functionally …
Are the results of bitwise operations on signed integers defined?
By the way, note that per 6.2.6.1, negative zero, if it exists, is required to behave identically to ordinary zero as an operand to bitwise operations: Where an operator is applied to a value that …