quantum-espresso/PW/close_files.f90

76 lines
2.4 KiB
Fortran

!
! Copyright (C) 2001-2003 PWSCF group
! 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 .
!
!----------------------------------------------------------------------------
SUBROUTINE close_files(lflag)
!----------------------------------------------------------------------------
!
! ... Close all files and synchronize processes for a new scf calculation.
!
USE ldaU, ONLY : lda_plus_u
USE control_flags, ONLY : twfcollect, io_level
USE fixed_occ, ONLY : one_atom_occupations
USE io_files, ONLY : prefix, iunwfc, iunigk, iunat, iunsat, &
iunefield, iunefieldm, iunefieldp
USE buffers, ONLY : close_buffer
USE mp_global, ONLY : intra_image_comm
USE mp, ONLY : mp_barrier
USE wannier_new, ONLY : use_wannier
USE bp, ONLY : lelfield
!
IMPLICIT NONE
!
LOGICAL, intent(in) :: lflag
!
LOGICAL :: opnd
! ... close buffer/file containing wavefunctions: discard if
! ... wavefunctions are written in xml format, save otherwise
!
IF ( lflag .AND. (twfcollect .OR. io_level < 0 )) THEN
CALL close_buffer ( iunwfc, 'DELETE' )
ELSE
CALL close_buffer ( iunwfc, 'KEEP' )
END IF
!
! ... iunigk is kept open during the execution - close and remove
!
INQUIRE( UNIT = iunigk, OPENED = opnd )
IF ( opnd ) CLOSE( UNIT = iunigk, STATUS = 'DELETE' )
!
! ... iunat contains the (orthogonalized) atomic wfcs
! ... iunsat contains the (orthogonalized) atomic wfcs * S
!
IF ( lda_plus_u .OR. use_wannier .OR. one_atom_occupations) THEN
!
INQUIRE( UNIT = iunat, OPENED = opnd )
IF ( opnd ) CLOSE( UNIT = iunat, STATUS = 'KEEP' )
INQUIRE( UNIT = iunsat, OPENED = opnd )
IF ( opnd ) CLOSE( UNIT = iunsat, STATUS = 'KEEP' )
!
END IF
!
! ... close unit for electric field if needed
!
IF ( lelfield ) THEN
!
INQUIRE( UNIT = iunefield, OPENED = opnd )
IF ( opnd ) CLOSE( UNIT = iunefield, STATUS = 'KEEP' )
!
INQUIRE( UNIT = iunefieldm, OPENED = opnd )
IF ( opnd ) CLOSE( UNIT = iunefieldm, STATUS = 'KEEP' )
!
INQUIRE( UNIT = iunefieldp, OPENED = opnd )
IF ( opnd ) CLOSE( UNIT = iunefieldp, STATUS = 'KEEP' )
!
END IF
!
CALL mp_barrier( intra_image_comm )
!
RETURN
!
END SUBROUTINE close_files