// Copyright (c) 2004 by Arthur Langereis (arthur_ext at domain xfinitegames, tld com) // 1 op = 2 assigns, 16 compare/branches, 8 ANDs, (0-8) ADDs, 8 SHLs // O(n) function bitsinbyte(b) { var m = 1, c = 0; while(m<0x100) { if(b & m) c++; m <<= 1; } return c; } function TimeFunc(func) { var x, y, t; for(var x=0; x<350; x++) for(var y=0; y<256; y++) func(y); } TimeFunc(bitsinbyte);