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44 lines
1.4 KiB
44 lines
1.4 KiB
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 EXPMAX (LABSID, VMIN, VMAX)
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C=======================================================================
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C --*** EXPMAX *** (BLOT) Expands min/max values
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C -- Written by Amy Gilkey - revised 10/07/87
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C --
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C --EXPMAX expands the minimum and maximum values by 2.5% each.
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C --It also expands the appropriate limit by 2.5% for numbering.
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C --
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C --Parameters:
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C -- LABSID - IN - if 'FIRST', expand for numbering on left side;
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C -- if 'LAST', expand for numbering on right side
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C -- VMIN/VMAX - IN/OUT - the minimum and maximum axis values
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CHARACTER*(*) LABSID
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REAL VMIN, VMAX
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IF (VMIN .EQ. VMAX) THEN
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IF (VMIN .EQ. 0.0) THEN
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VMIN = -1.0
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VMAX = 1.0
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ELSE
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VRNG = 0.025 * ABS(VMIN)
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VMIN = VMIN - VRNG
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VMAX = VMAX + VRNG
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END IF
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ELSE
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VRNG = 0.025 * (VMAX - VMIN)
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VMIN = VMIN - VRNG
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VMAX = VMAX + VRNG
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IF (LABSID .EQ. 'FIRST') VMIN = VMIN - 0.025 * (VMAX - VMIN)
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IF (LABSID .EQ. 'LAST') VMAX = VMAX + 0.025 * (VMAX - VMIN)
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END IF
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RETURN
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END
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