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51 lines
1.5 KiB
51 lines
1.5 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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INTEGER FUNCTION IDBLNK (IELBLK, IEL, IXELB, NUMLNK)
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C=======================================================================
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C --*** IDBLNK *** (EXOLIB) Return link index
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C -- Written by Amy Gilkey - revised 12/03/87
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C --
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C --IDBLNK returns the link index of the element.
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C --
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C --Parameters:
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C -- IELBLK - IN/OUT - the element block number for IEL;
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C -- set if IELBLK <= 0
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C -- IEL - IN - the element number; assumed first in block if <= 0
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C -- IXELB - IN - the cumulative element counts by element block
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C -- NUMLNK - IN - the number of nodes per element
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INTEGER IXELB(0:*)
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INTEGER NUMLNK(*)
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IDBLNK = 1
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IF ((IELBLK .LE. 0) .AND. (IEL .LE. 0)) RETURN
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IF (IELBLK .LE. 0) THEN
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IELB = 0
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10 CONTINUE
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IF (IEL .GT. IXELB(IELB)) THEN
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IELB = IELB + 1
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GOTO 10
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END IF
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IELBLK = IELB
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END IF
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IDBLNK = 1
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DO 20 IELB = 1, IELBLK-1
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NEL = IXELB(IELB) - IXELB(IELB-1)
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IDBLNK = IDBLNK + NEL * NUMLNK(IELB)
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20 CONTINUE
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IF (IEL .GT. 0) THEN
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NEL = IEL - IXELB(IELBLK-1) - 1
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IDBLNK = IDBLNK + NEL * NUMLNK(IELBLK)
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END IF
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RETURN
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END
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