When I use bitwise and operator(&) with the number of 1 to find out if a number x is odd or even (x & 1), does the interpreter change the binary representation of 1 according to the binary representation of x? For example: 2 & 1 -> 10 & 01 -> then perform comparison bitwise 5 & 1 -> 101
Tag: bit-manipulation
Randomly Generate bitstrings with fixed sum
I would like to generate a set of randomly generated bit strings with a certain length N, but I would like to ensure that the sum of each bit string adds up to a certain number, say $k$. How would I go about doing this in Python without generating all possible bit strings and removing ones that don’t add up
Infinite loop while adding two integers using bitwise operations?
I am trying to solve a problem, using python code, which requires me to add two integers without the use of ‘+’ or ‘-‘ operators. I have the following code which works perfectly for two positive numbers: This piece of code works perfectly if the input is two positive integers or two negative integers but it fails when one number
How To Mask Out Lower ‘x’ Bits of Python Integer Of Unknown Size
I am looking for a way to mask out (set to ‘0’) the lowest four bits of an integer in Python when I don’t know the total length of the number. If I knew the length of the integer beforehand I could just set the rest of the mask to 0xff, for instance if the integer would always be 32