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43 lines
1.4 KiB
43 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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C=======================================================================
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SUBROUTINE SPDSG1 (NNENUM, NENUM, IE2ELB, ISEVOK, NEL, ISEGEL)
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C=======================================================================
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C --*** SPDSG1 *** (SPLOT) Find all defined element values
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C -- Written by Amy Gilkey - revised 11/05/87
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C --
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C --SPDSG1 returns a list of the defined element indices for an
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C --element variable.
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C --
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C --Parameters:
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C -- NNENUM - IN - the number of selected nodes/elements
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C -- NENUM - IN - the selected nodes/elements
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C -- IE2ELB - IN - the element block for each element
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C -- ISEVOK - IN - the element block variable truth table;
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C -- variable of block j exists iff ISEVOK(j)
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C -- NEL - OUT - the number of defined elements
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C -- ISEGEL - OUT - the NENUM indices of the defined elements;
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C -- ISEGEL(0) = the number of defined elements
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INTEGER NENUM(*)
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INTEGER IE2ELB(*)
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LOGICAL ISEVOK(*)
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INTEGER ISEGEL(0:*)
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NEL = 0
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DO 100 I = 1, NNENUM
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IF (ISEVOK(IE2ELB(NENUM(I)))) THEN
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NEL = NEL + 1
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ISEGEL(NEL) = I
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END IF
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100 CONTINUE
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ISEGEL(0) = NEL
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RETURN
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END
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