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118 lines
4.1 KiB
118 lines
4.1 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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C=======================================================================
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SUBROUTINE DBIELB (NDB, OPTION, NELBS, NELBE,
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& IDELB, NUMELB, NUMLNK, NUMATR,
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& A, KLINK, KATRIB, *)
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C=======================================================================
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C --*** DBIELB *** (EXOLIB) Read database element blocks
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C -- Written by Amy Gilkey - revised 10/14/87
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C --
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C --DBIELB reads the element block information from the database.
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C --An error message is displayed if the end of file is read.
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C --
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C --The dynamic memory arrays LINK and ATRIB must be reserved
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C --if the connectivity and attributes are to be stored. These arrays
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C --will be expanded by this routine to hold the new data.
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C --
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C --Parameters:
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C -- NDB - IN - the database file
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C -- OPTION - IN - ' ' to not store, '*' to store all, else store options:
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C -- 'H' to store all header information
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C -- 'I' to store block IDs
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C -- 'C' to store connectivity (+ NUMLNK + NUMELB)
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C -- 'A' to store attributes (+ NUMATR + NUMELB)
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C -- NELBS, NELBE - IN - the number of first and last element blocks
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C -- to read
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C -- IDELB - OUT - the element block IDs for each block (if OPTION)
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C -- NUMELB - OUT - the number of elements in each block (if OPTION)
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C -- NUMLNK - OUT - the number of nodes per element in each block
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C -- (if OPTION)
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C -- NUMATR - OUT - the number of attributes in each block (if OPTION)
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C -- A - IN/OUT - the dynamic memory base array
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C -- KLINK - OUT - pointer to the connectivity for each block (if OPTION)
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C -- KATRIB - OUT - pointer to the attributes for each block (if OPTION)
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C -- * - return statement if end of file or read error
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C --
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C --Database must be positioned at start of element block information
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C --upon entry; upon exit at end of element block information.
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INTEGER NDB
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CHARACTER*(*) OPTION
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INTEGER NELBS, NELBE
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INTEGER IDELB(*)
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INTEGER NUMELB(*)
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INTEGER NUMLNK(*)
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INTEGER NUMATR(*)
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DIMENSION A(*)
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INTEGER KLINK, KATRIB
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CHARACTER*80 ERRMSG
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IF ((OPTION .EQ. '*') .OR. (INDEX (OPTION, 'C') .GT. 0)) THEN
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CALL MDFIND ('LINK', KLINK, IELNK)
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ELSE
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KLINK = 0
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END IF
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IF ((OPTION .EQ. '*') .OR. (INDEX (OPTION, 'A') .GT. 0)) THEN
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CALL MDFIND ('ATRIB', KATRIB, IEATR)
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ELSE
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KATRIB = 0
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END IF
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CALL MDSTAT (NERR, MEM)
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IF (NERR .GT. 0) GOTO 110
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DO 100 NELB = NELBS, NELBE
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IELB = NELB-NELBS+1
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READ (NDB, END=120, ERR=120, IOSTAT=IERR)
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& ID, NEL, NLNK, NATR
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IF ((OPTION .EQ. '*') .OR. (INDEX (OPTION, 'H') .GT. 0)) THEN
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IDELB(IELB) = ID
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NUMELB(IELB) = NEL
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NUMLNK(IELB) = NLNK
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NUMATR(IELB) = NATR
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END IF
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IF (INDEX (OPTION, 'I') .GT. 0) THEN
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IDELB(IELB) = ID
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END IF
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IF ((OPTION .EQ. '*') .OR. (INDEX (OPTION, 'C') .GT. 0)) THEN
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NUMELB(IELB) = NEL
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NUMLNK(IELB) = NLNK
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ISLNK = IELNK + 1
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IELNK = IELNK + NLNK * NEL
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CALL MDLONG ('LINK', KLINK, IELNK)
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END IF
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IF ((OPTION .EQ. '*') .OR. (INDEX (OPTION, 'A') .GT. 0)) THEN
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NUMELB(IELB) = NEL
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NUMATR(IELB) = NATR
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ISATR = IEATR + 1
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IEATR = IEATR + NATR * NEL
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CALL MDLONG ('ATRIB', KATRIB, IEATR)
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END IF
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CALL MDSTAT (NERR, MEM)
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IF (NERR .GT. 0) GOTO 110
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CALL DBIEB1 (NDB, OPTION, NELB,
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& NEL, NLNK, NATR,
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& A(KLINK+ISLNK-1), A(KATRIB+ISATR-1),
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$ MAX(NATR,1), MAX(NLNK,1), *130)
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100 CONTINUE
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110 CONTINUE
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RETURN
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120 CONTINUE
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WRITE (ERRMSG, '(A, I8)', IOSTAT=IDUM)
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& 'ELEMENT BLOCK SIZING PARAMETERS for BLOCK', NELB
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CALL DBERR (IERR, ERRMSG)
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130 CONTINUE
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RETURN 1
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END
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