Different machines have different internal precision. See http://gafferongames.com/networking-for-game-programmers/floating-point-determinism/ http://gafferong

Different machines have different internal precision. See http://gafferongames.com/networking-for-game-programmers/floating-point-determinism/ http://gafferongames.com/networking-for-game-programmers/flo... Games I've worked on have used libraries e.g. http://nicolas.brodu.net/programmation/streflop/index.html http://nicolas.brodu.net/programmation/streflop/index.html