def _rev_mclachlan_optimal_4th_order_step(*args, **kwargs): return fun_mcmc.mclachlan_optimal_4th_order_step( *args, forward=False, **kwargs)
def _fwd_mclachlan_optimal_4th_order_step(*args, **kwargs): return fun_mcmc.mclachlan_optimal_4th_order_step( *args, forward=True, **kwargs)