.. index:: pair: struct; dnnl::prelu_backward::desc
.. _doxid-structdnnl_1_1prelu__backward_1_1desc:

struct dnnl::prelu_backward::desc
=================================

.. toctree::
	:hidden:

Overview
~~~~~~~~

Descriptor for a PReLU backward propagation primitive. :ref:`More...<details-structdnnl_1_1prelu__backward_1_1desc>`


.. ref-code-block:: cpp
	:class: doxyrest-overview-code-block

	#include <dnnl.hpp>
	
	struct desc
	{
		// fields
	
		dnnl_prelu_desc_t :target:`data<doxid-structdnnl_1_1prelu__backward_1_1desc_1a5dfd23abd161411c9fb9aa4bc18fe36b>`;

		// construction
	
		:ref:`desc<doxid-structdnnl_1_1prelu__backward_1_1desc_1ae1c1c57446536d54a274e3d00168785a>`(
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& data_desc,
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& weight_desc,
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_data_desc,
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_weights_desc
			);
	};
.. _details-structdnnl_1_1prelu__backward_1_1desc:

Detailed Documentation
~~~~~~~~~~~~~~~~~~~~~~

Descriptor for a PReLU backward propagation primitive.

Construction
------------

.. index:: pair: function; desc
.. _doxid-structdnnl_1_1prelu__backward_1_1desc_1ae1c1c57446536d54a274e3d00168785a:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	desc(
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& data_desc,
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& weight_desc,
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_data_desc,
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_weights_desc
		)

Constructs a descriptor for a PReLU backward propagation primitive.



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- data_desc

		- Source and destination memory descriptors.

	*
		- weight_desc

		- Alpha parameters memory descriptor.

	*
		- diff_data_desc

		- Diff source and destination memory descriptors.

	*
		- diff_weights_desc

		- Diff alpha parameters memory descriptor.