
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 …
c - Are the results of bitwise operations on signed integers defined ...
The result of the &, | and ^ operators is defined in terms of the bitwise representation of the values. Three possibilities are allowed for the representation of negative numbers in C: two's …
c - What is bit masking? - Stack Overflow
May 8, 2012 · I am fairly new to C programming, and I encountered bit masking. What is the general concept and function of bit masking? Examples are much appreciated.
What are bitwise shift (bit-shift) operators and how do they work?
117 Bitwise operations, including bit shift, are fundamental to low-level hardware or embedded programming. If you read a specification for a device or even some binary file formats, you will …
c - Implementing if - else if using bitwise operators - Stack Overflow
Jun 2, 2013 · 4 Assume that the value of test is 1 or 0. Here I can implement the following if statement using bitwise operators as below.
c++ - Performance wise, how fast are Bitwise Operators vs. Normal ...
Dec 5, 2013 · C operators are meant to map pretty much directly to assembly, and there is very much a difference between, e.g., a bitwise AND and modulo or division. The only reason they …
c - How to implement Bitcount using only Bitwise operators?
The task is to implement a bit count logic using only bitwise operators. I got it working fine, but am wondering if someone can suggest a more elegant approach. Only Bitwise ops are allowed. …
How to perform a bitwise operation on floating point numbers
Apr 2, 2017 · Bitwise operations in C/C++ work on value-representation of a number. And the value-representation of floating point numbers is not defined in C/C++ (unsigned integers are …
Bitfield manipulation in C - Stack Overflow
Jun 25, 2009 · Everyone knows how to AND the values to set various options off and the compiler boils this down to very efficient bitwise operations on the CPU. Providing you use the masks …
c - Bitwise operators and "endianness" - Stack Overflow
Jun 25, 2009 · Does endianness matter at all with the bitwise operations? Either logical or shifting? I'm working on homework with regard to bitwise operators, and I can not make heads …