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!
! Copyright (C) 2001-2008 Quantum ESPRESSO 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 .
!
!-----------------------------------------------------------------------
FUNCTION capital( in_char )
!-----------------------------------------------------------------------
!
! ... converts character to capital if lowercase
! ... copy character to output in all other cases
!
IMPLICIT NONE
!
CHARACTER(LEN=1), INTENT(IN) :: in_char
CHARACTER(LEN=1) :: capital
CHARACTER(LEN=26), PARAMETER :: lower = 'abcdefghijklmnopqrstuvwxyz', &
upper = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
INTEGER :: i
!
!
DO i=1, 26
!
IF ( in_char == lower(i:i) ) THEN
!
capital = upper(i:i)
!
RETURN
!
END IF
!
END DO
!
capital = in_char
!
RETURN
!
END FUNCTION capital
!
!-----------------------------------------------------------------------
FUNCTION lowercase( in_char )
!-----------------------------------------------------------------------
!
! ... converts character to lowercase if capital
! ... copy character to output in all other cases
!
IMPLICIT NONE
!
CHARACTER(LEN=1), INTENT(IN) :: in_char
CHARACTER(LEN=1) :: lowercase
CHARACTER(LEN=26), PARAMETER :: lower = 'abcdefghijklmnopqrstuvwxyz', &
upper = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
INTEGER :: i
!
!
DO i=1, 26
!
IF ( in_char == upper(i:i) ) THEN
!
lowercase = lower(i:i)
!
RETURN
!
END IF
!
END DO
!
lowercase = in_char
!
RETURN
!
END FUNCTION lowercase
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