I need help on Bit Twiddling

Question

I love to see people writing Bit Twiddling code but I just can\'t understand it at all. Gone through Hacker\'s Delight and http://graphics.stanford.edu/~seander/bithacks.html, b

Answer 1

What is the easiest way to calculate the output of bits for example 1 | 2 = 3.

Write out the numbers as binary. This is how the numbers are really represented.

  00000001
| 00000010
= 00000011