def __init__(self, restart=None, state=0, rng=np.random):
self.rng = rng
MorsePotential.__init__(self,
restart=restart,
epsilon=De[state],
r0=Re[state],
rho0=rho0[state])
def __init__(self, state):
MorsePotential.__init__(self,
epsilon=De[state],
r0=Re[state],
rho0=rho0[state])
