..
   Generated automatically by cpp2rst

.. highlight:: c
.. role:: red
.. role:: green
.. role:: param


.. _mpi__all_reduce:

mpi::all_reduce
===============

*#include <mpi.hpp>*



**Synopsis**

 .. rst-class:: cppsynopsis

       | :green:`template<typename T>`
       | decltype(auto) :red:`all_reduce` (T && :param:`x`, :ref:`communicator <mpi__communicator>` :param:`c` = {}, MPI_Op :param:`op` = MPI_SUM)