Get rid of globals in various functions
As discussed with @MichelJuillard, we should try to get rid of globals in
stoch_simulsimult_
as most of their callers and subsequently called functions already use local instances of the variables
As discussed with @MichelJuillard, we should try to get rid of globals in
stoch_simulsimult_as most of their callers and subsequently called functions already use local instances of the variables