.. index:: pair: struct; dnnl::eltwise_forward::desc
.. _doxid-structdnnl_1_1eltwise__forward_1_1desc:

struct dnnl::eltwise_forward::desc
==================================

.. toctree::
	:hidden:

Overview
~~~~~~~~

Descriptor for an elementwise forward propagation primitive. :ref:`More...<details-structdnnl_1_1eltwise__forward_1_1desc>`


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

	#include <dnnl.hpp>
	
	struct desc
	{
		// fields
	
		:ref:`dnnl_eltwise_desc_t<doxid-structdnnl__eltwise__desc__t>` :target:`data<doxid-structdnnl_1_1eltwise__forward_1_1desc_1a998f70cf22518411df1d86a347139950>`;

		// construction
	
		:ref:`desc<doxid-structdnnl_1_1eltwise__forward_1_1desc_1aaae0eddf378516c155c2946e15972d98>`(
			:ref:`prop_kind<doxid-group__dnnl__api__attributes_1gac7db48f6583aa9903e54c2a39d65438f>` aprop_kind,
			:ref:`algorithm<doxid-group__dnnl__api__attributes_1ga00377dd4982333e42e8ae1d09a309640>` aalgorithm,
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& data_desc,
			float alpha = 0,
			float beta = 0
			);
	};
.. _details-structdnnl_1_1eltwise__forward_1_1desc:

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

Descriptor for an elementwise forward propagation primitive.

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

.. index:: pair: function; desc
.. _doxid-structdnnl_1_1eltwise__forward_1_1desc_1aaae0eddf378516c155c2946e15972d98:

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

	desc(
		:ref:`prop_kind<doxid-group__dnnl__api__attributes_1gac7db48f6583aa9903e54c2a39d65438f>` aprop_kind,
		:ref:`algorithm<doxid-group__dnnl__api__attributes_1ga00377dd4982333e42e8ae1d09a309640>` aalgorithm,
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& data_desc,
		float alpha = 0,
		float beta = 0
		)

Constructs a descriptor for an elementwise forward propagation primitive.



.. rubric:: Parameters:

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

	*
		- aprop_kind

		- Propagation kind. Possible values are :ref:`dnnl::prop_kind::forward_training <doxid-group__dnnl__api__attributes_1ggac7db48f6583aa9903e54c2a39d65438fa24775787fab8f13aa4809e1ce8f82aeb>`, and :ref:`dnnl::prop_kind::forward_inference <doxid-group__dnnl__api__attributes_1ggac7db48f6583aa9903e54c2a39d65438fa3b9fad4f80d45368f856b5403198ac4c>`.

	*
		- aalgorithm

		- Elementwise algorithm kind.

	*
		- data_desc

		- Source and destination memory descriptors.

	*
		- alpha

		- The alpha parameter for the elementwise operation. Specific meaning depends on the algorithm.

	*
		- beta

		- The beta parameter for the elementwise operation. Specific meaning depends on the algorithm.