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56 lines
1.4 KiB
56 lines
1.4 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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SUBROUTINE SETCIR (MXND, MLN, NLOOP, LNODES, NODE, ERR)
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C***********************************************************************
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C SUBROUTINE SETCIR = MARKS ALL THE NODES IN THE CIRCULAR LOOP
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C AS SIDES EXCEPT FOR ROW CORNERS
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C***********************************************************************
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DIMENSION LNODES (MLN, MXND)
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LOGICAL ERR
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ERR = .FALSE.
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KOUNT = 0
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INOW = NODE
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NEWNOD = NODE
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100 CONTINUE
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INOW = LNODES (3, INOW)
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IF (LNODES (1, INOW) .LE. 4) THEN
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LNODES (1, INOW) = 3
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ELSEIF (LNODES (1, INOW) .EQ. 6) THEN
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LNODES (1, INOW) = 5
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ENDIF
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IF ( (LNODES (1, NEWNOD) .EQ. 3) .AND.
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& ( (LNODES (1, INOW) .EQ. 5) .OR. (LNODES (1, INOW) .EQ. 7)) )
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& THEN
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NEWNOD = INOW
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ENDIF
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IF (INOW .EQ. NODE) THEN
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NODE = NEWNOD
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RETURN
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ENDIF
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KOUNT = KOUNT + 1
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IF (KOUNT .GT. NLOOP) THEN
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CALL MESSAGE('PROBLEMS IN SETCIR WITH LOOP NOT CLOSING')
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ERR = .TRUE.
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GOTO 110
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ENDIF
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GOTO 100
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110 CONTINUE
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RETURN
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END
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