Improved handling of step size adjustment when the integrand returns a NaN. Now it will drop step size rather than going berserk! Also, added an error message for when the time can no longer be advanced.
Improved handling of step size adjustment when the integrand returns a NaN. Now it will drop step size rather than going berserk!
Also, added an error message for when the time can no longer be advanced.

Gjacquenot/simbody,Gjacquenot/simbody,elen4/simbody,robojukie/simbody,chrisdembia/simbody,robojukie/simbody,elkingtonmcb/simbody,simbody/simbody,robojukie/simbody,scamille/simbody,elkingtonmcb/simbody,elen4/simbody,simbody/simbody,chrisdembia/simbody,scamille/simbody,chrisdembia/simbody,elkingtonmcb/simbody,scamille/simbody,Gjacquenot/simbody