.. sign.rst: #### Sign #### .. code-block:: cpp Sign // Elementwise sign operation Description =========== Produces a tensor of the same element type and shape as ``arg,`` where the value at each coordinate of ``output`` is the sign (-1, 0, 1) of the value at the corresponding coordinate of ``arg.`` Inputs ------ +-----------------+-------------------------+--------------------------------+ | Name | Element Type | Shape | +=================+=========================+================================+ | ``arg`` | Any | Any | +-----------------+-------------------------+--------------------------------+ Outputs ------- +-----------------+-------------------------+--------------------------------+ | Name | Element Type | Shape | +=================+=========================+================================+ | ``output`` | Same as ``arg`` | Same as ``arg`` | +-----------------+-------------------------+--------------------------------+ Mathematical Definition ======================= .. math:: \mathtt{output}_{i_0, \ldots, i_{n-1}} = \mathtt{sgn}(\mathtt{arg}_{i_0, \ldots, i_{n-1}}) C++ Interface ============= .. doxygenclass:: ngraph::op::Sign :project: ngraph :members: