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218 lines
7.1 KiB
218 lines
7.1 KiB
2 years ago
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/*
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* Copyright (c) 1994 Sandia Corporation. Under the terms of Contract
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* DE-AC04-94AL85000 with Sandia Corporation, the U.S. Governement
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* retains certain rights in this software.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* * Neither the name of Sandia Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*****************************************************************************
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*
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* exgelb - read element block parameters
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*
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* author - Victor R. Yarberry, Sandia National Laboratories
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*
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* environment - UNIX
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*
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* entry conditions -
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* input parameters:
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* int idexo exodus file id
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* int elem_blk_id element block id
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*
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* exit conditions -
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* char* elem_type element type name
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* int* num_elem_this_blk number of elements in this element block
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* int* num_nodes_per_elem number of nodes per element block
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* int* num_attr number of attributes
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*
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* revision history -
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*
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* $Id: exgelb.c,v 1.1 2005/07/17 15:43:59 andy Exp $
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*
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*/
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#include <string.h>
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#include <stdio.h>
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#include "exodusII.h"
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#include "exodusII_int.h"
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/*
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* reads the parameters used to describe an element block
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*/
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int ex_get_elem_block (int exoid,
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int elem_blk_id,
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char *elem_type,
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int *num_elem_this_blk,
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int *num_nodes_per_elem,
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int *num_attr)
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{
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int dimid, connid, len, elem_blk_id_ndx;
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long lnum_elem_this_blk, lnum_nodes_per_elem, lnum_attr;
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char *ptr;
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char errmsg[MAX_ERR_LENGTH];
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nc_type dummy;
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exerrval = 0;
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/* First, locate index of element block id in VAR_ID_EL_BLK array */
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elem_blk_id_ndx = ex_id_lkup(exoid,VAR_ID_EL_BLK,elem_blk_id);
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if (exerrval != 0)
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{
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if (exerrval == EX_NULLENTITY) /* NULL element block? */
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{
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strcpy(elem_type, "NULL"); /* NULL element type name */
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*num_elem_this_blk = 0; /* no elements */
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*num_nodes_per_elem = 0; /* no nodes */
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*num_attr = 0; /* no attributes */
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return (EX_NOERR);
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}
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else
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{
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sprintf(errmsg,
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"Error: failed to locate element block id %d in %s array in file id %d",
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elem_blk_id,VAR_ID_EL_BLK,exoid);
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ex_err("ex_get_elem_block",errmsg,exerrval);
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return (EX_FATAL);
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}
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}
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/* inquire values of some dimensions */
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if ((dimid = ncdimid (exoid, DIM_NUM_EL_IN_BLK(elem_blk_id_ndx))) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,
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"Error: failed to locate number of elements in block %d in file id %d",
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elem_blk_id,exoid);
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ex_err("ex_get_elem_block",errmsg, exerrval);
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return(EX_FATAL);
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}
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if (ncdiminq (exoid, dimid, (char *) 0, &lnum_elem_this_blk) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,
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"Error: failed to get number of elements in block %d in file id %d",
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elem_blk_id, exoid);
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ex_err("ex_get_elem_block",errmsg, exerrval);
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return(EX_FATAL);
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}
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*num_elem_this_blk = lnum_elem_this_blk;
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if ((dimid = ncdimid (exoid, DIM_NUM_NOD_PER_EL(elem_blk_id_ndx))) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,
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"Error: failed to locate number of nodes/element in block %d in file id %d",
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elem_blk_id,exoid);
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ex_err("ex_get_elem_block",errmsg, exerrval);
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return(EX_FATAL);
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}
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if (ncdiminq (exoid, dimid, (char *) 0, &lnum_nodes_per_elem) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,
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"Error: failed to get number of nodes/element in block %d in file id %d",
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elem_blk_id, exoid);
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ex_err("ex_get_elem_block",errmsg, exerrval);
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return(EX_FATAL);
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}
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*num_nodes_per_elem = lnum_nodes_per_elem;
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if ((dimid = ncdimid (exoid, DIM_NUM_ATT_IN_BLK(elem_blk_id_ndx))) == -1)
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*num_attr = 0; /* dimension is undefined */
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else
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{
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if (ncdiminq (exoid, dimid, (char *) 0, &lnum_attr) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,
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"Error: failed to get number of attributes in block %d in file id %d",
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elem_blk_id, exoid);
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ex_err("ex_get_elem_block",errmsg, exerrval);
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return(EX_FATAL);
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}
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*num_attr = lnum_attr;
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}
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/* look up connectivity array for this element block id */
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if ((connid = ncvarid (exoid, VAR_CONN(elem_blk_id_ndx))) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,
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"Error: failed to locate connectivity array for element block %d in file id %d",
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elem_blk_id,exoid);
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ex_err("ex_get_elem_block",errmsg, exerrval);
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return(EX_FATAL);
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}
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if (ncattinq (exoid, connid, ATT_NAME_ELB, &dummy, &len) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,
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"Error: failed to get element block %d type in file id %d",
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elem_blk_id,exoid);
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ex_err("ex_get_elem_block",errmsg, exerrval);
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return(EX_FATAL);
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}
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if (len > (MAX_STR_LENGTH+1))
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{
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len = MAX_STR_LENGTH;
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sprintf (errmsg,
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"Warning: element block %d type will be truncated to %d chars",
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elem_blk_id,len);
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ex_err("ex_get_elem_block",errmsg,EX_MSG);
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}
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/* get the element type name */
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if (ncattget (exoid, connid, ATT_NAME_ELB, elem_type) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,"Error: failed to get element block %d type in file id %d",
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elem_blk_id, exoid);
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ex_err("ex_get_elem_block",errmsg, exerrval);
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return(EX_FATAL);
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}
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/* get rid of trailing blanks */
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ptr = elem_type;
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/* fprintf(stderr,"[exgelb] %s, len: %d\n",ptr,len); */
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while (ptr < elem_type + len && *ptr != ' ')
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{
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ptr++;
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}
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*(ptr) = '\0';
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return (EX_NOERR);
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}
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