c++ Programming Glossary: twiddling

How to add two numbers without using ++ or + or another arithmetic operator

http://stackoverflow.com/questions/1149929/how-to-add-two-numbers-without-using-or-or-another-arithmetic-operator

and in answers a beautiful quide Stanford bit twiddling was referred. I spend some time studying it and thought that..

Fastest way to scan for bit pattern in a stream of bits

http://stackoverflow.com/questions/1572290/fastest-way-to-scan-for-bit-pattern-in-a-stream-of-bits

methods using tables and or shifts but are there any bit twiddling shortcuts that can cut down the number of calculations by giving..

Branchless code that maps zero, negative, and positive to 0, 1, 2

http://stackoverflow.com/questions/1610836/branchless-code-that-maps-zero-negative-and-positive-to-0-1-2

can be replaced with depending on which is faster... Bit twiddling is fun Hmm I just learned about setnz . I haven't checked the..

What is the fastest integer division supporting division by zero no matter what the result is?

http://stackoverflow.com/questions/16777456/what-is-the-fastest-integer-division-supporting-division-by-zero-no-matter-what

I guess the final question is Whats the fastest bit twiddling hack changing 0 to any other integer value while leaving all.. . For sure compilers are great when it comes to bit twiddling but I can't express the don't care result in C so the compiler..

Getting segfault due to string data type variable in PROTOBUF server and clent communcation through sockets on recv end in cpp

http://stackoverflow.com/questions/18463414/getting-segfault-due-to-string-data-type-variable-in-protobuf-server-and-clent-c

is the whole point of google protocol buffers. For twiddling out the bits of possible sender receiver patterns instead of..

Fastest way to get the integer part of sqrt(n)?

http://stackoverflow.com/questions/4930307/fastest-way-to-get-the-integer-part-of-sqrtn

of 1 sqrt n without any branch based on some bit twiddling so not portable notably between 32 bits and 64 bits platforms..

Graph implementation C++

http://stackoverflow.com/questions/5493474/graph-implementation-c

links arriving at the same to node. It's a lot of pointer twiddling so unless you love pointers just forget about this but query..

Generate next largest or smallest representable floating point number without bit twiddling

http://stackoverflow.com/questions/7408407/generate-next-largest-or-smallest-representable-floating-point-number-without-bi

smallest representable floating point number without bit twiddling Given an arbitrary finite floating point number is there a.. for any value not just 1.0f without resorting to bit twiddling and or explicit knowledge of how the machine represents floating..

Position of least significant bit that is set

http://stackoverflow.com/questions/757059/position-of-least-significant-bit-that-is-set

learnt a few other things too. Cool c c optimization bit twiddling share improve this question Bit Twiddling Hacks offers an.. Twiddling Hacks offers an excellent collection of er bit twiddling hacks with performance optimisation discussion attached. My..

Unnecessary curly braces in C++?

http://stackoverflow.com/questions/9704083/unnecessary-curly-braces-in-c

allocations done just some flags that are set and some bit twiddling. The code that is surrounded by curly braces is something like.. braces... After the curly braces there are some more bit twiddling state checking and basic signaling. I talked to the guy and..