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ADAS Subroutine xxcase

      subroutine xxcase(input,output,type)


C-----------------------------------------------------------------------
C
C  ****************** FORTRAN77 SUBROUTINE: XXCASE *********************
C
C  PURPOSE: Change a string of arbitrary size into all upper case
C           or all lower case
C
C  CALLING PROGRAM: GENERAL USE.
C
C  INPUT    : (C*(*)) INPUT = Input String
C  INPUT    : (C*2)   TYPE = Type of case to convert to:
C                       'UC' -> Convert to Upper Case
C                       'LC' -> Convert to Lower Case
C                       Anything else -> No conversion
C
C  OUTPUT   : (C*(*)) OUTPUT = Output string in selected case
C
C  ROUTINES : NONE
C
C  AUTHOR   : Allan Whiteford,
C             University of Strathclyde
C
C  VERSION  : 1.1                          
C  DATE     : 05/09/2001
C  MODIFIED : Allan Whiteford
C             First version.
C
C  VERSION  : 1.2                          
C  DATE     : 05/05/2005
C  MODIFIED : Martin O'Mullane
C             The routine converted length-1 rather than the whole
C             input string.
C
C-----------------------------------------------------------------------
      CHARACTER*(*)       INPUT,       OUTPUT
      CHARACTER*2         TYPE
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