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92 lines
3.3 KiB
92 lines
3.3 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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SUBROUTINE REGEXT (MP, ML, MS, MR, N, II, COOR, ILINE, LTYPE,
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& LCON, NLPS, IFLINE, ILLIST, NSPR, IFSIDE, ISLIST, LINKP,
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& LINKL, LINKS, LINKR, XMIN, XMAX, YMIN, YMAX)
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C***********************************************************************
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C SUBROUTINE REGEXT = GETS THE REGION EXTREMES
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C***********************************************************************
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DIMENSION COOR (2, MP)
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DIMENSION ILINE (ML), LTYPE (ML), LCON (3, ML)
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DIMENSION NLPS (MS), IFLINE (MS), ILLIST (MS * 3)
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DIMENSION NSPR (MR), IFSIDE (MR), ISLIST (MR * 4)
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DIMENSION LINKP (2, MP), LINKL (2, ML), LINKS (2, MS)
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DIMENSION LINKR (2, MR)
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DIMENSION N (29)
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LOGICAL FOUND, GETMAX, ADDLNK
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LOGICAL NUMPLT, TEST
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ADDLNK = .FALSE.
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GETMAX = .TRUE.
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FOUND = .FALSE.
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DO 110 J = IFSIDE (II), IFSIDE (II) + NSPR (II) - 1
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C GET SIDE EXTREMES
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IF ( ISLIST(J) .GT. 0) THEN
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CALL LTSORT (MS, LINKS, ISLIST (J), IPNTR, ADDLNK)
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IF (IPNTR .GT. 0) THEN
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DO 100 K = IFLINE (IPNTR), IFLINE (IPNTR) +
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& NLPS (IPNTR) - 1
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CALL LTSORT (ML, LINKL, ILLIST (K), KK, ADDLNK)
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IF (KK .GT. 0) THEN
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IF (.NOT.FOUND) THEN
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CALL LTSORT (MP, LINKP, IABS (LCON (1, KK)),
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& IPNT, ADDLNK)
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IF (IPNT .GT. 0) THEN
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XMAX = COOR (1, IPNT)
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XMIN = COOR (1, IPNT)
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YMAX = COOR (2, IPNT)
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YMIN = COOR (2, IPNT)
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FOUND = .TRUE.
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ENDIF
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ENDIF
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IF (FOUND) THEN
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CALL DLINE (MP, ML, COOR, LINKP, ILINE (KK),
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& LTYPE (KK), LCON (1, KK), LCON (2, KK),
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& LCON (3, KK), NUMPLT, X1, Y1, TEST, GETMAX,
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& XMIN, XMAX, YMIN, YMAX)
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ENDIF
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ENDIF
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100 CONTINUE
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END IF
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C GET LINE EXTREMES
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ELSEIF (ISLIST (J) .LT. 0) THEN
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JJ = IABS (ISLIST (J))
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CALL LTSORT (ML, LINKL, JJ, KK, ADDLNK)
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IF (KK .GT. 0) THEN
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IF (.NOT.FOUND) THEN
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CALL LTSORT (MP, LINKP, IABS (LCON (1, KK)), IPNT,
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& ADDLNK)
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IF (IPNT .GT. 0) THEN
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XMAX = COOR (1, IPNT)
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XMIN = COOR (1, IPNT)
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YMAX = COOR (2, IPNT)
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YMIN = COOR (2, IPNT)
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FOUND = .TRUE.
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ENDIF
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ENDIF
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IF (FOUND) THEN
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CALL DLINE (MP, ML, COOR, LINKP, ILINE (KK),
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& LTYPE (KK), LCON (1, KK), LCON (2, KK),
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& LCON (3, KK), NUMPLT, X1, Y1, TEST, GETMAX, XMIN,
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& XMAX, YMIN, YMAX)
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ENDIF
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ENDIF
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ENDIF
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110 CONTINUE
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RETURN
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END
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