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94 lines
3.3 KiB
94 lines
3.3 KiB
2 years ago
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C Copyright(C) 1999-2020, 2022 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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SUBROUTINE FREFLD( KIN,KOUT,PROMPT,MFIELD,IOSTAT,NFIELD,KVALUE,
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* CVALUE,IVALUE,RVALUE )
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CHARACTER*(*) PROMPT,CVALUE(MFIELD)
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CHARACTER*1024 LINE
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CHARACTER*132 PREFIX
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INTEGER KVALUE(MFIELD),IVALUE(MFIELD)
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REAL RVALUE(MFIELD)
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************************************************************************
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C FREFLD INPUT SYSTEM - ANSI FORTRAN - USER INTERFACE ROUTINE
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C DESCRIPTION:
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C This routine is the main user interface to the SUPES Free Field
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C Input system. It obtains a record from the input stream, then
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C call FFISTR to parse the record into data fields.
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C FORMAL PARAMETERS:
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C KIN INTEGER Unit from which to read input.
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C KOUT INTEGER Unit to which to echo input.
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C PROMPT CHARACTER Prompt string.
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C MFIELD INTEGER Maximum number of data fields to be returned.
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C IOSTAT INTEGER ANSI FORTRAN I/O status.
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C NFIELD INTEGER Number of data fields found.
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C KVALUE INTEGER Translation states of the data fields:
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C -1 = This is a null field.
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C 0 = This is a non-numeric field.
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C 1 = This is a REAL numeric field.
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C 2 = This is an INTEGER numeric field.
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C CVALUE CHARACTER Character values of the data fields.
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C RVALUE REAL Floating-point values of the data fields.
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C IVALUE INTEGER Integer values of the data fields.
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C ROUTINES CALLED:
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C GETINP Get input line.
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C FFISTR Parse input line.
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************************************************************************
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C PHASE 1: Initialize output arrays to their default values and zero
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C field counter. Set continuation flag to suppress further
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C initialization by FFISTR.
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DO 300 I = 1 , MFIELD
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KVALUE(I) = -1
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CVALUE(I) = ' '
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RVALUE(I) = 0.
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IVALUE(I) = 0
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300 CONTINUE
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NFIELD = 0
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IDCONT = 1
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C Initialize prompt to the caller's -
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PREFIX = PROMPT
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LPRE = LEN( PROMPT )
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************************************************************************
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C PHASE 2: Get the next input record via GETINP. Return to caller if an
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C end-of-file or error was detected by GETINP.
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C Re-enter here to process a continuation line.
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500 CONTINUE
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C Get the next input line -
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CALL GETINP( KIN,KOUT,PREFIX(1:LPRE),LINE,IOSTAT )
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C Return if I/O error or EOF detected -
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IF ( IOSTAT .NE. 0 ) RETURN
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C Call FFISTR to parse input record -
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CALL FFISTR( LINE,MFIELD,IDCONT,NFIELD,KVALUE,CVALUE,IVALUE,
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* RVALUE )
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C If the continuation flag is set, define a continuation prompt and
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C re-enter at phase 2. Otherwise, return to the caller -
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IF ( IDCONT .NE. 0 ) THEN
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IF ( PROMPT .EQ. 'AUTO' ) THEN
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PREFIX = ' *: '
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LPRE = 6
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ELSE
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IF ( LPRE .GT. 3 ) PREFIX(1:LPRE-3) = ' '
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IF ( LPRE .GE. 3 ) PREFIX(LPRE-2:LPRE-2) = '*'
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END IF
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GO TO 500
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END IF
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END
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