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35 lines
934 B
35 lines
934 B
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 LOWFND (MXND, NUID, N, INDX, I, IOLD)
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C***********************************************************************
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C SUBROUTINE LOWFND = LINEAR INDEXED SEARCH FOR MATCHING NUID VALUES
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C***********************************************************************
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DIMENSION NUID(MXND), INDX(N)
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IBOT = 1
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ITOP = N
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100 CONTINUE
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II = (IBOT + ITOP)/2
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IF (NUID(INDX(II)) .EQ. NUID(I)) THEN
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IOLD = INDX(II)
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RETURN
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ELSE IF (NUID(INDX(II)) .GT. NUID(I)) THEN
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ITOP = II - 1
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ELSE
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IBOT = II + 1
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ENDIF
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IF (IBOT .LE. ITOP) GO TO 100
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IOLD = 0
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RETURN
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END
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