Chimie Théorique » Opt'n Path

      SUBROUTINE Upcase(String)

! This subroutine converts a string into its Upcase

! version

!----------------------------------------------------------------------

!  Copyright 2003-2014 Ecole Normale Supérieure de Lyon,

!  Centre National de la Recherche Scientifique,

!  Université Claude Bernard Lyon 1. All rights reserved.

!

!  This work is registered with the Agency for the Protection of Programs

!  as IDDN.FR.001.100009.000.S.P.2014.000.30625

!

!  Authors: P. Fleurat-Lessard, P. Dayal

!  Contact: optnpath@gmail.com

!

! This file is part of "Opt'n Path".

!

!  "Opt'n Path" is free software: you can redistribute it and/or modify

!  it under the terms of the GNU Affero General Public License as

!  published by the Free Software Foundation, either version 3 of the License,

!  or (at your option) any later version.

!

!  "Opt'n Path" is distributed in the hope that it will be useful,

!  but WITHOUT ANY WARRANTY; without even the implied warranty of

!

!  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

!  GNU Affero General Public License for more details.

!

!  You should have received a copy of the GNU Affero General Public License

!  along with "Opt'n Path". If not, see <http://www.gnu.org/licenses/>.

!

! Contact The Office of Technology Licensing, valorisation@ens-lyon.fr,

! for commercial licensing opportunities.

!----------------------------------------------------------------------

        IMPLICIT NONE

        integer, parameter :: KINT = kind(1)

        CHARACTER(*), INTENT(INOUT) :: String

        INTEGER(KINT) :: i,ic, length,Del,ia,iz

! We define some variables

! By doing this, we do not depend on the ASCII coding of the

! characters

        DEL = IACHAR('a') - IACHAR('A')

        ia=IACHAR('a')

        iz=IACHAR('z')

        length=len_trim(string)

        DO I=1, length

          ic=ICHAR(String(i:i))

          if ((ic.ge.ia).and.(ic.le.iz)) ic=ic-DEL

          String(i:i)=ACHAR(ic)

        END DO

        RETURN

      END SUBROUTINE Upcase