.. Copyright 1988-2022 Free Software Foundation, Inc. This is part of the GCC manual. For copying conditions, see the copyright.rst file. .. _openacc-module-openacc: OpenACC Module OPENACC ********************** :samp:`{Standard}:` OpenACC Application Programming Interface v2.6 The OpenACC Fortran runtime library routines are provided both in a form of a Fortran 90 module, named ``OPENACC``, and in form of a Fortran ``include`` file named :samp:`openacc_lib.h`. The procedures provided by ``OPENACC`` can be found in the :ref:`libgomp:top` manual, the named constants defined in the modules are listed below. For details refer to the actual `OpenACC Application Programming Interface v2.6 `_. ``OPENACC`` provides the scalar default-integer named constant ``openacc_version`` with a value of the form :samp:`{yyyymm}`, where ``yyyy`` is the year and :samp:`{mm}` the month of the OpenACC version; for OpenACC v2.6 the value is ``201711``.