def __add__(self, other):
if isinstance(other, TransientTerm):
return self.__class__(coeff=self.coeff + other.coeff)
else:
return CellTerm.__add__(self, other)
def __init__(self, coeff=0., var=None):
if self.__class__ is SourceTerm:
raise AbstractBaseClassError
CellTerm.__init__(self, coeff=coeff, var=var)
def __init__(self, coeff=0., var=None):
if self.__class__ is SourceTerm:
raise AbstractBaseClassError
CellTerm.__init__(self, coeff=coeff, var=var)
def __init__(self, coeff = 0.):
if self.__class__ is SourceTerm:
raise NotImplementedError, "can't instantiate abstract base class"
CellTerm.__init__(self, coeff = coeff)