273 int CountBitsSet(uint32 value)

   274 {

   275 	int num;

   276 

   277 	/* This loop is only called once for every bit set by clearing the lowest

   278 	 * bit in each loop. The number of bits is therefore equal to the number of

   279 	 * times the loop was called. It was found at the following website:

   280 	 * http://graphics.stanford.edu/~seander/bithacks.html */

   281 

   282 	for (num = 0; value != 0; num++) {

   283 		value &= value - 1;

   284 	}

   285 

   286 	return num;

   287 }