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40 lines
1.3 KiB
40 lines
1.3 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 ZMXYZ (NDIM, NUMNP, IXNP, XN, YN, ZN)
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C=======================================================================
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C --*** ZMXYZ *** (GJOIN) Compress coordinates
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C -- Written by Amy Gilkey - revised 01/20/88
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C --
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C --ZMXYZ compresses the coordinates by removing deleted nodes.
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C --
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C --Parameters:
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C -- NDIM - IN - the number of coordinates per node
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C -- NUMNP - IN/OUT - the number of nodes; returned compressed
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C -- IXNP - IN/OUT - the index of the compressed node; 0 if deleted
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C -- XN, YN, ZN - IN/OUT - the coordinates, returned compressed
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INTEGER IXNP(*)
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REAL XN(*), YN(*), ZN(*)
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JNP = 0
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DO 100 INP = 1, NUMNP
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IF (IXNP(INP) .GT. 0) THEN
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JNP = JNP + 1
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XN(JNP) = XN(INP)
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YN(JNP) = YN(INP)
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IF (NDIM .GE. 3) ZN(JNP) = ZN(INP)
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IXNP(INP) = JNP
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ELSE IF (IXNP(INP) .LT. 0) THEN
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IXNP(INP) = -IXNP(-IXNP(INP))
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END IF
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100 CONTINUE
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NUMNP = JNP
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END
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