Chimie Théorique » Opt'n Path

! This routine prints a warning message and goes on

! Inspired  from Die in Siesta 3.1

    SUBROUTINE Warning(routine, msg, file, line, unit)

      Use VarTypes

      Use io_module

      implicit none

  INTERFACE

     function valid(string) result (isValid)

       CHARACTER(*), intent(in) :: string

       logical                  :: isValid

     END function VALID

  END INTERFACE

!--------------------------------------------------------------- Input Variables

      character(len=*), intent(in)           :: routine, msg

      character(len=*), intent(in), optional :: file

      integer(KINT), intent(in), optional      :: line, unit

!--------------------------------------------------------------- Local Variables

      integer(KINT)                            :: warning_unit

      LOGICAL ::  Debug

!------------------------------------------------------------------------- BEGIN

      debug=valid('warning')

      if (debug) Call Header('Entering Warning')

      if (PRESENT(unit)) then

        warning_unit = unit

      else

        warning_unit = IOOUT

      endif

      write(warning_unit,'(a)') '*************************************************************'

      write(warning_unit,'(a)') '* WARNING *'

      write(warning_unit,'(a)') ' '

      write(warning_unit,'(3a)') TRIM(routine), ': ', TRIM(msg)

      write(warning_unit,'(a)') ' '

      if (PRESENT(file)) write(warning_unit,'(5x,2a)') 'File: ', file

      if (PRESENT(line)) write(warning_unit,'(5x,a,i5)') 'Line: ', line

      write(warning_unit,'(a)') '*************************************************************'

      if (debug) Call Header('Exiting Warning')

    END SUBROUTINE warning