[ODE] dWoldStep slowdown

[Jon Watte (ODE)]

LR wrote:
> Do you think it's a float problem ? Double should resolve it ? When i look a
> my first body position (after the first dWoldStep slow down) x=y=z=nand ....

That's your problem right there. Figure out why that's happening, and 
cure it. Add a bunch of asserts in lots of places, and figure out why 
something goes NaN.

Anything that's not a regular float (say, a NaN, Inf or denormal) will 
slow down the FPU significantly, as it's an "exceptional case."

Cheers,

			/ h+