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125 lines
4.1 KiB
125 lines
4.1 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 DBVINI (NVARHI, NVARGL, NVARNP, NVAREL)
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C=======================================================================
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C --*** DBVINI *** (EXOLIB) Initialize for DBVTYP and DBVIX
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C -- Written by Amy Gilkey - revised 10/14/87
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C --
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C --DBVINI initializes the indices for DBVTYP and DBVID. It must be
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C --called before either of the other two routines are called.
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C --
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C --Note that the indices are shared because the other two routines
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C --are ENTRY routines of DBVINI.
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C --
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C --Parameters:
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C -- NVARHI - IN - the number of history variables
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C -- NVARGL - IN - the number of global variables
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C -- NVARNP - IN - the number of nodal variables
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C -- NVAREL - IN - the number of element variables
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INTEGER NVARHI, NVARGL, NVARNP, NVAREL
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C --Definition for the ENTRY routine parameters
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CHARACTER ITYP, TYP
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INTEGER IID, ID
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INTEGER IIX, IX
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INTEGER IXHV, IXGV, IXNV, IXEV, IXHVE, IXGVE, IXNVE, IXEVE
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SAVE IXHV, IXGV, IXNV, IXEV, IXHVE, IXGVE, IXNVE, IXEVE
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DATA IXHV, IXGV, IXNV, IXEV / -1, -1, -1, -1 /
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IXHV = 1
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IXHVE = IXHV + NVARHI - 1
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IXGV = IXHVE + 1
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IXGVE = IXGV + NVARGL - 1
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IXNV = IXGVE + 1
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IXNVE = IXNV + NVARNP - 1
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IXEV = IXNVE + 1
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IXEVE = IXEV + NVAREL - 1
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RETURN
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C=======================================================================
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ENTRY DBVTYP (IIX, TYP, ID)
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C=======================================================================
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C --*** DBVTYP *** (EXOLIB) Return the variable type and number
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C -- Written by Amy Gilkey - revised 03/18/88
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C --
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C --DBVTYP is passed a variable index. It returns the variable type
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C --and variable number.
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C --
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C --Note that DBVINI must be called before this routine to initialize
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C --the indices. The indices are shared because this routine is an
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C --ENTRY routine of DBVINI.
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C --
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C --Parameters:
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C -- IIX - IN - the variable index
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C -- TYP - OUT - the variable type: 'H'istory, 'G'lobal, 'N'odal, 'E'lement
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C -- ID - OUT - the variable number within the type
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IF ((IXHV .LE. 0) .AND. (IXGV .LE. 0)
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& .AND. (IXNV .LE. 0) .AND. (IXEV .LE. 0))
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& RETURN
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IF ((IIX .GE. IXHV) .AND. (IIX .LE. IXHVE)) THEN
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TYP = 'H'
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ID = IIX - IXHV + 1
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ELSE IF ((IIX .GE. IXGV) .AND. (IIX .LE. IXGVE)) THEN
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TYP = 'G'
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ID = IIX - IXGV + 1
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ELSE IF ((IIX .GE. IXNV) .AND. (IIX .LE. IXNVE)) THEN
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TYP = 'N'
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ID = IIX - IXNV + 1
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ELSE IF ((IIX .GE. IXEV) .AND. (IIX .LE. IXEVE)) THEN
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TYP = 'E'
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ID = IIX - IXEV + 1
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ELSE
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TYP = ' '
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ID = 0
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END IF
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RETURN
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C=======================================================================
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ENTRY DBVIX (ITYP, IID, IX)
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C=======================================================================
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C --*** DBVIX *** (EXOLIB) Return the variable index
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C -- Written by Amy Gilkey - revised 10/14/87
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C --
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C --DBVIX is passed a variable type and number. It returns the variable
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C --index.
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C --
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C --Note that DBVINI must be called before this routine to initialize
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C --the indices. The indices are shared because this routine is an
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C --ENTRY routine of DBVINI.
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C --
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C --Parameters:
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C -- ITYP - IN - the variable type: 'H'istory, 'G'lobal, 'N'odal, 'E'lement
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C -- IID - IN - the variable number within the type
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C -- IX - OUT - the variable index
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IF ((IXHV .LE. 0) .AND. (IXGV .LE. 0)
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& .AND. (IXNV .LE. 0) .AND. (IXEV .LE. 0))
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& RETURN
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IF (ITYP .EQ. 'H') THEN
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IX = IID + IXHV - 1
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ELSE IF (ITYP .EQ. 'G') THEN
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IX = IID + IXGV - 1
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ELSE IF (ITYP .EQ. 'N') THEN
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IX = IID + IXNV - 1
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ELSE IF (ITYP .EQ. 'E') THEN
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IX = IID + IXEV - 1
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END IF
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RETURN
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END
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