..
  Copyright 1988-2021 Free Software Foundation, Inc.
  This is part of the GCC manual.
  For copying conditions, see the GPL license file

.. _ieor:

IEOR --- Bitwise logical exclusive or
*************************************

.. index:: IEOR

.. index:: BIEOR

.. index:: IIEOR

.. index:: JIEOR

.. index:: KIEOR

.. index:: bitwise logical exclusive or

.. index:: logical exclusive or, bitwise

.. function:: IEOR

  ``IEOR`` returns the bitwise Boolean exclusive-OR of :samp:`{I}` and
  :samp:`{J}`.

  :param I:
    The type shall be ``INTEGER`` or a boz-literal-constant.

  :param J:
    The type shall be ``INTEGER`` with the same
    kind type parameter as :samp:`{I}` or a boz-literal-constant.
    :samp:`{I}` and :samp:`{J}` shall not both be boz-literal-constants.

  :return:
    The return type is ``INTEGER`` with the kind type parameter of the
    arguments.
    A boz-literal-constant is converted to an ``INTEGER`` with the kind
    type parameter of the other argument as-if a call to INT occurred.

  :samp:`{Standard}:`
    Fortran 90 and later, with boz-literal-constant Fortran 2008 and later, has overloads that are GNU extensions

  :samp:`{Class}:`
    Elemental function

  :samp:`{Syntax}:`

  .. code-block:: fortran

    RESULT = IEOR(I, J)

  :samp:`{Specific names}:`
    ============  ================  ==============  ====================
    Name          Argument          Return type     Standard
    ============  ================  ==============  ====================
    ``IEOR(A)``   ``INTEGER A``     ``INTEGER``     Fortran 90 and later
    ``BIEOR(A)``  ``INTEGER(1) A``  ``INTEGER(1)``  GNU extension
    ``IIEOR(A)``  ``INTEGER(2) A``  ``INTEGER(2)``  GNU extension
    ``JIEOR(A)``  ``INTEGER(4) A``  ``INTEGER(4)``  GNU extension
    ``KIEOR(A)``  ``INTEGER(8) A``  ``INTEGER(8)``  GNU extension
    ============  ================  ==============  ====================

  :samp:`{See also}:`
    IOR, 
    IAND, 
    IBITS, 
    IBSET, 
    IBCLR, 
    NOT