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44 lines
1.5 KiB
44 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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SUBROUTINE RENIX (LLIST, IOFFIX, IX, LIST, ZEROIT)
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C=======================================================================
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C --*** RENIX *** (GJOIN) Renumbers items according to an index list
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C -- Written by Amy Gilkey - revised 09/29/87
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C --
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C --RENIX renumbers each item in the list to the index given in another
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C --list or adds an offset to the item.
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C --
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C --Parameters:
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C -- LLIST - IN - the length of LIST
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C -- IOFFIX - IN - the offset to be added; if <0, use IX
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C -- IX - IN - the new index of the specified item
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C -- LIST - IN/OUT - the list of integers; renumbered
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C -- ZEROIT - IN - logical, if true and IX(LIST(I)) <= 0,
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C set LIST(I) = 0, else set to ABS value.
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INTEGER IX(*)
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INTEGER LIST(*)
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LOGICAL ZEROIT
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IF (IOFFIX .GE. 0) THEN
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DO 100 I = 1, LLIST
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LIST(I) = LIST(I) + IOFFIX
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100 CONTINUE
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ELSE
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DO 110 I = 1, LLIST
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IF (IX(LIST(I)) .LE. 0 .AND. ZEROIT) THEN
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LIST(I) = 0
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ELSE
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LIST(I) = ABS(IX(LIST(I)))
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END IF
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110 CONTINUE
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END IF
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RETURN
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END
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