// Copyright (c) 2004 by Arthur Langereis (arthur_ext at domain xfinitegames, tld com) var result = 0; // 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; var sum = 0; for(var x=0; x<35000; x++) for(var y=0; y<256; y++) sum += func(y); return sum; } result = TimeFunc(bitsinbyte); var expected = 35840000; if (result != expected) throw "ERROR: bad result: expected " + expected + " but got " + result;