quantum-espresso/UtilXlib/parallel_include.f90

30 lines
880 B
Fortran

!
! Copyright (C) 2003-2004 Carlo Cavazzoni
! This file is distributed under the terms of the
! GNU General Public License. See the file `License'
! in the root directory of the present distribution,
! or http://www.gnu.org/copyleft/gpl.txt .
!
!------------------------------------------------------------------------------!
! SISSA Code Interface -- Carlo Cavazzoni
!------------------------------------------------------------------------------C
MODULE parallel_include
#if defined (__MPI)
!
! Include file for MPI
!
#if defined (__MPI_MODULE)
USE mpi
#else
INCLUDE 'mpif.h'
#endif
#else
! dummy world and null communicator
INTEGER, PARAMETER :: MPI_COMM_WORLD = 0
INTEGER, PARAMETER :: MPI_COMM_NULL = -1
INTEGER, PARAMETER :: MPI_COMM_SELF = -2
#endif
END MODULE parallel_include