Another related bit twiddling resource: http://graphics.stanford.edu/~seander/bithacks.html http://graphics.stanford.edu/~seander/bithacks.html. The comments a

Another related bit twiddling resource: http://graphics.stanford.edu/~seander/bithacks.html http://graphics.stanford.edu/~seander/bithacks.html. The comments accompanying the code are interesting too.