mirror of https://gitlab.com/QEF/q-e.git
37 lines
1.4 KiB
Fortran
37 lines
1.4 KiB
Fortran
!
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! Copyright (C) 2002-2013 Quantum ESPRESSO group
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! This file is distributed under the terms of the
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! GNU General Public License. See the file `License'
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! in the root directory of the present distribution,
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! or http://www.gnu.org/copyleft/gpl.txt .
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!
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!----------------------------------------------------------------------------
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MODULE io_global
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!----------------------------------------------------------------------------
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!
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IMPLICIT NONE
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!
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PRIVATE
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SAVE
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!
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PUBLIC :: stdin, stdout, qestdin
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PUBLIC :: ionode, ionode_id, meta_ionode, meta_ionode_id
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!
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INTEGER, PARAMETER :: stdin = 5 ! unit connected to standard input
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INTEGER :: qestdin= 9 ! unit connected to input file (xml or text)
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INTEGER :: stdout = 6 ! unit connected to standard output
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!
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! For parallel execution: I/O within an image
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! These are set at startup by calling mp_world_start
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!
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INTEGER :: ionode_id = 0 ! index of the i/o node for this image
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LOGICAL :: ionode = .TRUE. ! true if this processor is a i/o node
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! for this image
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! For parallel execution: global I/O node (for NEB, PHonon, etc)
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! These are set at startup by calling mp_image_start
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!
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INTEGER :: meta_ionode_id = 0 ! index of the global i/o node
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LOGICAL :: meta_ionode = .TRUE. ! true if this processor is global i/o node
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!
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END MODULE io_global
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