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67 lines
2.2 KiB
67 lines
2.2 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 CNVMAX (NUMNPF, VARNP, IN2ELB, NMIN, NMAX, FMIN, FMAX)
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C=======================================================================
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C --*** CNVMAX *** (DETOUR) Calculate nodal variable min/max and count number
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C -- Written by Amy Gilkey - revised 03/09/88
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C --
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C --CNVMAX calculates the minimum and maximum value of a nodal variable
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C --and counts the number of occurrences of the minimum and maximum.
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C --
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C --Parameters:
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C -- NUMNPF - IN - the number of nodes
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C -- VARNP - IN - the nodal variable values
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C -- IN2ELB - IN - the element block for each node;
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C -- <0 if not in any selected element block
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C -- =0 if in more than one selected element block
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C -- NMIN, NMAX - OUT - the number of variables values matching the
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C -- minimum and the maximum
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C -- FMIN, FMAX - OUT - the nodal variable minimums and maximums
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REAL VARNP(*)
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INTEGER IN2ELB(*)
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LOGICAL INIT
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NMIN = 0
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NMAX = 0
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FMIN = 0.0
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FMAX = 0.0
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INIT = .TRUE.
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DO 100 INP = 1, NUMNPF
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IF (IN2ELB(INP) .GE. 0) THEN
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IF (INIT) THEN
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FMIN = VARNP(INP)
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NMIN = 1
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FMAX = VARNP(INP)
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NMAX = 1
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INIT = .FALSE.
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ELSE
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IF (FMIN .GE. VARNP(INP)) THEN
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IF (FMIN .EQ. VARNP(INP)) THEN
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NMIN = NMIN + 1
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ELSE
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FMIN = VARNP(INP)
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NMIN = 1
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END IF
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END IF
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IF (FMAX .LE. VARNP(INP)) THEN
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IF (FMAX .EQ. VARNP(INP)) THEN
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NMAX = NMAX + 1
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ELSE
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FMAX = VARNP(INP)
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NMAX = 1
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END IF
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END IF
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END IF
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END IF
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100 CONTINUE
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RETURN
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END
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