275 int CountBitsSet(uint32 value)

   276 {

   277 	int num;

   278 

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

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

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

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

   283 

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

   285 		value &= value - 1;

   286 	}

   287 

   288 	return num;

   289 }