The manipulation of individual bits.
I wrote a prime number generator using Sieve of Eratosthenes and Python 3.1. The code runs correctly and gracefully at 0.32 seconds …
python-3.x optimization bit-manipulation primes sieve-of-eratosthenesI'm trying to deal with bitboards, which requires me to set a particular bit in a 64-bit unsigned integer. To …
c++ bit-manipulation bit-shift bitwise-or bitboardJavaScript converts operands to 32-bit signed ints before doing bitwise operations. It also does the operation with 32-bit signed ints, …
javascript bit-manipulationI'm trying to understand how bit shift works. Can someone please explain the meaning of this line: while ((n&1)==0) …
java bit-manipulation shiftI am working on a user-role / permission system in PHP for a script. Below is a code using a bitmask …
php bit-manipulation bitmaskLet's say I have a byte with six unknown values: ???1?0?? and I want to swap bits 2 and 4 (without changing any …
c arduino bit bit-manipulationI am trying to find the parity of a bitstring so that it returns 1 if x has an odd # of 0…
c bit-manipulation bit parityI recently picked up a copy of Applied Cryptography by Bruce Schneier and it's been a good read. I now …
c bit-manipulation 32bit-64bitMy solution: (for every bit of the input block, there is such a line) *parity ^= (((x[0] >> 30) & 0x00000001) * 0…
c bit-manipulation parityI'm attempting to create a function with flags as its arguments but the output is always different with what's expected : …
php function bit-manipulation flags