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51 lines
1.6 KiB
51 lines
1.6 KiB
C Copyright(C) 1999-2020 National Technology & Engineering Solutions
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C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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C NTESS, the U.S. Government retains certain rights in this software.
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C
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C See packages/seacas/LICENSE for details
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C=======================================================================
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SUBROUTINE FFONOF (IFLD, INTYP, CFIELD, ISON, *)
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C=======================================================================
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C --*** FFONOF *** (FFLIB) Parse free-field ON/OFF
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C -- Written by Amy Gilkey - revised 02/24/86
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C --
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C --FFONOF parses an on/off option from an input field. No field is
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C --assumed 'ON'.
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C --
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C --Parameters:
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C -- IFLD - IN/OUT - the index of the current field number, incremented
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C -- INTYP - IN - the input type from the free-field reader
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C -- CFIELD - IN - the input option string
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C -- ISON - OUT - true iff the option is ON, set only if no error
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C -- * - return statement if the field is invalid; message is printed
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INTEGER IFLD
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INTEGER INTYP(*)
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CHARACTER*(*) CFIELD(*)
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LOGICAL ISON
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CHARACTER*4 OPT
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IF (INTYP(IFLD) .EQ. 0) THEN
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OPT = CFIELD(IFLD)
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ELSE IF (INTYP(IFLD) .LE. -1) THEN
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OPT = 'ON'
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ELSE
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OPT = ' '
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END IF
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IF ((OPT(:2) .NE. 'ON') .AND. (OPT(:3) .NE. 'OFF')) THEN
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CALL PRTERR ('CMDERR', 'Expected "ON" or "OFF"')
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GOTO 100
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END IF
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ISON = (OPT(:2) .EQ. 'ON')
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IF (INTYP(IFLD) .GE. -1) IFLD = IFLD + 1
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RETURN
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100 CONTINUE
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IF (INTYP(IFLD) .GE. -1) IFLD = IFLD + 1
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RETURN 1
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END
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