def _getitemClass(self, index):
if not isinstance(index, tuple):
if isinstance(index, list):
index = tuple(index)
else:
index = (index, )
indexshape = numerix._indexShape(index=index, arrayShape=self.shape)
if (len(indexshape) > 0 and indexshape[-1] == self.shape[-1]
and numerix.obj2sctype(index[-1]) != numerix.obj2sctype(bool)):
return self._OperatorVariableClass()
else:
return Variable._OperatorVariableClass(self, baseClass=Variable)
def _getitemClass(self, index):
if not isinstance(index, tuple):
if isinstance(index, list):
index = tuple(index)
else:
index = (index,)
indexshape = numerix._indexShape(index=index, arrayShape=self.shape)
if (len(indexshape) > 0
and indexshape[-1] == self.shape[-1]
and numerix.obj2sctype(index[-1]) != numerix.obj2sctype(bool)):
return self._OperatorVariableClass()
else:
return Variable._OperatorVariableClass(self, baseClass=Variable)
def __getitem__(self, index):
"""
"Evaluate" the `Variable` and return the specified element
>>> a = Variable(value=((3.,4.),(5.,6.)), unit="m") + "4 m"
>>> print a[1,1]
10.0 m
It is an error to slice a `Variable` whose `value` is not sliceable
>>> Variable(value=3)[2]
Traceback (most recent call last):
...
IndexError: 0-d arrays can't be indexed
"""
return self._UnaryOperatorVariable(lambda a: a[index],
operatorClass=self._getitemClass(index=index),
opShape=numerix._indexShape(index=index, arrayShape=self.shape),
unit=self.getUnit(),
canInline=False)