Well, DDA should use fixed point, not doubles. Old stack based x87 FPU is just slow and converting doubles into integers in a loop... Well, I guess you can unde

Well, DDA should use fixed point, not doubles. Old stack based x87 FPU is just slow and converting doubles into integers in a loop... Well, I guess you can understand where the time is spent in the version you linked! I meant of course IDIV and fixed point, not FDIV FADD FISTP etc. madness!