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166 lines
5.4 KiB
166 lines
5.4 KiB
2 years ago
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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 FFNRNG (IFLD, INTYP, CFIELD, IFIELD, EXPECT, MAXVAL,
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& IRANGE, *, *)
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C=======================================================================
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C --*** FFNRNG *** (BLOT) Parse free-field integer range
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C -- Written by John Glick - 11/28/88
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C --
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C --FFNRNG parses a range of integers. A range has one of the following
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C --forms:
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C -- n1 assume n2 = n1, n3 = 1
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C -- n1 TO n2 assume n3 = 1
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C -- n1 TO n2 STEP n3
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C --This routine is similar to the FFVRNG routine of the FFLIB library.
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C --
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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 array from the free-field reader
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C -- CFIELD - IN - the input string array from the free-field reader
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C -- IFIELD - IN - the input integer array from the free-field reader
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C -- EXPECT - IN - the type of range being parsed, for error
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C -- MAXVAL - IN - the maximum range value
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C -- IRANGE - OUT - the input range value array:
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C -- (1) = n1, (2) = n2, (3) = n3;
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C -- partially set on error
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C -- * - return statement if no range is specified.
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C -- * - return statement if the range is invalid; message is printed
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C --Routines Called:
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C -- LENSTR - (strlib) Find string length
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INTEGER IFLD
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INTEGER INTYP(*)
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CHARACTER*(*) CFIELD(*)
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INTEGER IFIELD(*)
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CHARACTER*(*) EXPECT
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INTEGER MAXVAL
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INTEGER IRANGE(3)
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CHARACTER*80 STRA
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CHARACTER*80 ERRMSG
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IRANGE(1) = 0
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IRANGE(2) = 0
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IRANGE(3) = 1
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IF (INTYP(IFLD) .NE. 2) THEN
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C No integer in the next field.
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GO TO 110
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ELSE
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C --Get starting number
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IRANGE(1) = IFIELD(IFLD)
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IRANGE(2) = IRANGE(1)
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IRANGE(3) = 1
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IFLD = IFLD + 1
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IF (INTYP(IFLD) .EQ. 0) THEN
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C --Look for TO keyword
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IF (CFIELD(IFLD) .NE. 'TO') THEN
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GOTO 100
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ELSE
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IFLD = IFLD + 1
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ENDIF
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IF (INTYP(IFLD) .NE. 2) THEN
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STRA = 'TO ' // EXPECT
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WRITE (ERRMSG, 10000) STRA(:LENSTR(STRA)),
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& CFIELD(IFLD)(:LENSTR(CFIELD(IFLD)))
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CALL PRTERR ('CMDERR', ERRMSG(:LENSTR(ERRMSG)))
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GOTO 120
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END IF
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IRANGE(2) = IFIELD(IFLD)
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IFLD = IFLD + 1
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IF (INTYP(IFLD) .EQ. 0) THEN
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C --Check for BY keyword.
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IF (CFIELD(IFLD) .NE. 'BY') THEN
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GOTO 100
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ELSE
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IFLD = IFLD + 1
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ENDIF
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IF (INTYP(IFLD) .NE. 2) THEN
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WRITE (ERRMSG, 10000)
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& 'BY value', CFIELD(IFLD)(:LENSTR(CFIELD(IFLD)))
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CALL PRTERR ('CMDERR', ERRMSG(:LENSTR(ERRMSG)))
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GOTO 120
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END IF
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IRANGE(3) = IFIELD(IFLD)
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IFLD = IFLD + 1
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END IF
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END IF
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100 CONTINUE
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C Check the range values specified.
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IF (IRANGE(3) .EQ. 0) THEN
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WRITE (ERRMSG, 10010, IOSTAT=IDUM)
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& 'Invalid BY value', IRANGE(3)
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CALL SQZSTR (ERRMSG, L)
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CALL PRTERR ('CMDERR', ERRMSG(:L))
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GOTO 130
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END IF
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IF ((IRANGE(3) .GT. 0) .AND. (IRANGE(1) .GT. IRANGE(2))) THEN
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STRA = 'Starting ' // EXPECT
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WRITE (ERRMSG, 10010, IOSTAT=IDUM) STRA(:LENSTR(STRA)),
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& IRANGE(1), ' > ending ', IRANGE(2)
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CALL SQZSTR (ERRMSG, L)
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CALL PRTERR ('CMDERR', ERRMSG(:L))
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GOTO 130
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END IF
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IF ((IRANGE(3) .LT. 0) .AND. (IRANGE(1) .LT. IRANGE(2))) THEN
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STRA = 'Starting ' // EXPECT
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WRITE (ERRMSG, 10010, IOSTAT=IDUM) STRA(:LENSTR(STRA)),
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& IRANGE(1), ' < ending ', IRANGE(2), ' with negative step'
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CALL SQZSTR (ERRMSG, L)
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CALL PRTERR ('CMDERR', ERRMSG(:L))
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END IF
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IF (MIN (IRANGE(1), IRANGE(2)) .GT. MAXVAL) THEN
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STRA = 'Minimum ' // EXPECT
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WRITE (ERRMSG, 10010, IOSTAT=IDUM) STRA(:LENSTR(STRA)),
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& MIN (IRANGE(1), IRANGE(2)), ' > maximum ', MAXVAL
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CALL SQZSTR (ERRMSG, L)
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CALL PRTERR ('CMDERR', ERRMSG(:L))
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GOTO 130
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END IF
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IF ((IRANGE(1) .LE. 0) .OR. (IRANGE(2) .LE. 0)) THEN
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STRA = 'Negative or zero ' // EXPECT
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WRITE (ERRMSG, 10010, IOSTAT=IDUM) STRA(:LENSTR(STRA)),
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& MIN (IRANGE(1), IRANGE(2)), ' > maximum ', MAXVAL
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CALL SQZSTR (ERRMSG, L)
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CALL PRTERR ('CMDERR', ERRMSG(:L))
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GOTO 130
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END IF
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IF (IRANGE(1) .GT. MAXVAL) IRANGE(1) = MAXVAL
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IF (IRANGE(2) .GT. MAXVAL) IRANGE(2) = MAXVAL
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END IF
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RETURN
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110 CONTINUE
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RETURN 1
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120 CONTINUE
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IF (INTYP(IFLD) .GE. -1) IFLD = IFLD + 1
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130 CONTINUE
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RETURN 2
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10000 FORMAT ('Expected ', A, ', not "', A, '"')
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10010 FORMAT (A, I5, A, I5, A)
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END
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