.. _oneapi-mkl-rng-device-engine_accessor:

oneapi::mkl::rng::device::engine_accessor
=========================================


Host side helper to provide an abstraction over ``sycl::accessor`` to access engines’ which are held by ``engine_descriptor`` in kernels.


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Description
***********

``engine_accessor`` provides an abstraction over ``sycl::accessor`` to access engines which are held by ``engine_descriptor`` in kernels by the ``load()`` and ``store()`` functions.


API
***


Syntax
------

.. code-block:: cpp

   template<Engine>
     class engine_descriptor {
     public:
     Engine load(size_t id) const
     void store(Engine engine, size_t id) const
     }


Include Files
-------------

- ``oneapi/mkl/rng/device.hpp``


Template Parameters
-------------------

.. list-table::
      :header-rows: 1

      * - Type
        - Description
      * - ``Engine``
        - Specify an engine which state is hold by ``engine_accessor``.