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37 lines
1.0 KiB
37 lines
1.0 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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SUBROUTINE FQ_ROTATE (N, X, Y, NID, NEWF)
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C***********************************************************************
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C SUBROUTINE ROTATE = CIRCULARLY SHIFTS THE DATA IN X, Y, AND NID
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C***********************************************************************
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DIMENSION X (N), Y (N), NID (N)
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IF ((NEWF .LE. 1) .OR. (NEWF .GT. N)) RETURN
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C BUBBLE UP THROUGH THE ARRAYS AS MANY TIMES AS NEEDED
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DO 110 I = 1, NEWF - 1
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XLAST = X (1)
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YLAST = Y (1)
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NLAST = NID (1)
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DO 100 J = 1, N - 1
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X(J) = X (J + 1)
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Y(J) = Y (J + 1)
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NID(J) = NID (J + 1)
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100 CONTINUE
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X(N) = XLAST
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Y(N) = YLAST
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NID(N) = NLAST
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110 CONTINUE
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RETURN
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END
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