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39 lines
954 B
39 lines
954 B
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 PLTGM2(XL,XU,YL,YU,PXL,PXU,PYL,PYU,UMAP)
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REAL UMAP(*)
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DU = XU - XL
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DP = PXU - PXL
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IF (DU.EQ.0.) THEN
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DU = 1.
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END IF
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UMAP(1) = DP/DU
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UMAP(1+1) = 0.
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UMAP(1+2) = 0.
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DV = YU - YL
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DQ = PYU - PYL
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IF (DV.EQ.0.) THEN
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DV = 1.
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END IF
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UMAP(1+3) = DQ/DV
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UMAP(5) = PXL - XL*UMAP(1)
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UMAP(5+1) = PYL - YL*UMAP(1+3)
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UMAP(7) = PXL
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UMAP(7+1) = PYL
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UMAP(9) = PXU
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UMAP(9+1) = PYL
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UMAP(11) = PXU
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UMAP(11+1) = PYU
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UMAP(13) = PXL
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UMAP(13+1) = PYU
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RETURN
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END
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