def __init__(self, domain, shape=(), count=None):
Terminal.__init__(self)
counted_init(self, count=count, countedclass=Constant)
self._ufl_domain = as_domain(domain)
self._ufl_shape = shape
# Repr string is build in such way, that reconstruction
# with eval() is possible
self._repr = "Constant({}, {}, {})".format(repr(self._ufl_domain),
repr(self._ufl_shape),
repr(self._count))
def __new__(cls, indices):
if not isinstance(indices, tuple):
error("Expecting a tuple of indices.")
if all(isinstance(ind, FixedIndex) for ind in indices):
# Cache multiindices consisting of purely fixed indices
# (aka flyweight pattern)
key = tuple(ind._value for ind in indices)
self = MultiIndex._cache.get(key)
if self is not None:
return self
self = Terminal.__new__(cls)
MultiIndex._cache[key] = self
else:
# Create a new object if we have any free indices (too
# many combinations to cache)
if not all(isinstance(ind, IndexBase) for ind in indices):
error("Expecting only Index and FixedIndex objects.")
self = Terminal.__new__(cls)
# Initialize here instead of in __init__ to avoid overwriting
# self._indices from cached objects
self._init(indices)
return self
def __new__(cls, indices):
if not isinstance(indices, tuple):
error("Expecting a tuple of indices.")
if all(isinstance(ind, FixedIndex) for ind in indices):
# Cache multiindices consisting of purely fixed indices
# (aka flyweight pattern)
key = tuple(ind._value for ind in indices)
self = MultiIndex._cache.get(key)
if self is not None:
return self
self = Terminal.__new__(cls)
MultiIndex._cache[key] = self
else:
# Create a new object if we have any free indices (too
# many combinations to cache)
if not all(isinstance(ind, IndexBase) for ind in indices):
error("Expecting only Index and FixedIndex objects.")
self = Terminal.__new__(cls)
# Initialize here instead of in __init__ to avoid overwriting
# self._indices from cached objects
self._init(indices)
return self
def __init__(self, domain):
Terminal.__init__(self)
self._domain = as_domain(domain)
def __init__(self, count=None):
Terminal.__init__(self)
counted_init(self, count, Label)
def __init__(self, domain):
Terminal.__init__(self)
self._domain = as_domain(domain)
def _init(self, indices):
Terminal.__init__(self)
self._indices = indices
def __init__(self):
Terminal.__init__(self)
def __init__(self, count=None):
Terminal.__init__(self)
counted_init(self, count, Label)
def __init__(self):
Terminal.__init__(self)
def _init(self, indices):
Terminal.__init__(self)
self._indices = indices