is_empty¶
-
paddle.fluid.layers.
is_empty
(x, cond=None)[source] Test whether a Variable is empty.
- Parameters
x (Variable) – The Variable to be tested.
cond (Variable, optional) – Output parameter. Default: None. If this parameter is given, it saves the test result of given ‘x’.
- Returns
A bool scalar. True if ‘x’ is an empty Variable.
- Return type
Variable
- Raises
TypeError
– If input cond is not a variable, or cond’s dtype is not bool.
Examples
import paddle.fluid as fluid input = fluid.layers.data(name="input", shape=[4, 32, 32], dtype="float32") res = fluid.layers.is_empty(x=input) # or: # fluid.layers.is_empty(x=input, cond=res)