Cloned library of VTK-5.0.0 with extra build files for internal package management.
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/*
* Copyright (c) 1994 Sandia Corporation. Under the terms of Contract
* DE-AC04-94AL85000 with Sandia Corporation, the U.S. Governement
* retains certain rights in this software.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of Sandia Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/*****************************************************************************
*
* exgelc - exodusII read element block connectivity
*
* author - Sandia National Laboratories
* Larry A. Schoof - Original
* James A. Schutt - 8 byte float and standard C definitions
* Vic Yarberry - Added headers and error logging
*
* environment - UNIX
*
* entry conditions -
* expelb must be called first to establish element block parameters.
* input parameters:
* int exoid exodus file id
* int elem_blk_id element block id
*
* exit conditions -
* int* connect connectivity array
*
* revision history -
*
* $Id: exgelc.c,v 1.1 2005/07/17 15:43:59 andy Exp $
*/
#include <stdlib.h>
#include "exodusII.h"
#include "exodusII_int.h"
/*
* reads the connectivity array for an element block
*/
int ex_get_elem_conn (int exoid,
int elem_blk_id,
int *connect)
{
int numelbdim, nelnoddim, connid, elem_blk_id_ndx, iresult;
long num_elem_this_blk, num_nod_per_elem, start[2], count[2];
nclong *longs;
char errmsg[MAX_ERR_LENGTH];
exerrval = 0; /* clear error code */
/* Locate index of element block id in VAR_ID_EL_BLK array */
elem_blk_id_ndx = ex_id_lkup(exoid,VAR_ID_EL_BLK,elem_blk_id);
if (exerrval != 0)
{
if (exerrval == EX_NULLENTITY)
{
sprintf(errmsg,
"Warning: no connectivity array for NULL block %d in file id %d",
elem_blk_id,exoid);
ex_err("ex_get_elem_conn",errmsg,EX_MSG);
return (EX_WARN); /* no connectivity array for this element block */
}
else
{
sprintf(errmsg,
"Error: failed to locate element block id %d in %s array in file id %d",
elem_blk_id,VAR_ID_EL_BLK,exoid);
ex_err("ex_get_elem_conn",errmsg,exerrval);
return (EX_FATAL);
}
}
/* inquire id's of previously defined dimensions */
if ((numelbdim = ncdimid (exoid, DIM_NUM_EL_IN_BLK(elem_blk_id_ndx))) == -1)
{
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to locate number of elements in block %d in file id %d",
elem_blk_id,exoid);
ex_err("ex_get_elem_conn",errmsg, exerrval);
return(EX_FATAL);
}
if (ncdiminq (exoid, numelbdim, (char *) 0, &num_elem_this_blk) == -1)
{
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to get number of elements in block %d in file id %d",
elem_blk_id,exoid);
ex_err("ex_get_elem_conn",errmsg,exerrval);
return(EX_FATAL);
}
if ((nelnoddim = ncdimid (exoid, DIM_NUM_NOD_PER_EL(elem_blk_id_ndx))) == -1)
{
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to locate number of nodes/elem for block %d in file id %d",
elem_blk_id,exoid);
ex_err("ex_get_elem_conn",errmsg,exerrval);
return(EX_FATAL);
}
if (ncdiminq (exoid, nelnoddim, (char *) 0, &num_nod_per_elem) == -1)
{
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to get number of nodes/elem for block %d in file id %d",
elem_blk_id,exoid);
ex_err("ex_get_elem_conn",errmsg, exerrval);
return(EX_FATAL);
}
if ((connid = ncvarid (exoid, VAR_CONN(elem_blk_id_ndx))) == -1)
{
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to locate connectivity array for block %d in file id %d",
elem_blk_id,exoid);
ex_err("ex_get_elem_conn",errmsg, exerrval);
return(EX_FATAL);
}
/* read in the connectivity array */
/* application code has allocated an array of ints but netcdf is expecting
a pointer to nclongs; if ints are different sizes than nclongs,
we must allocate an array of nclongs then convert them to ints with ltoi */
start[0] = 0;
start[1] = 0;
count[0] = num_elem_this_blk;
count[1] = num_nod_per_elem;
if (sizeof(int) == sizeof(nclong)) {
iresult = ncvarget (exoid, connid, start, count, connect);
} else {
if (!(longs = malloc (num_elem_this_blk*num_nod_per_elem * sizeof(nclong)))) {
exerrval = EX_MEMFAIL;
sprintf(errmsg,
"Error: failed to allocate memory for element connectivity array for file id %d",
exoid);
ex_err("ex_get_elem_conn",errmsg,exerrval);
return (EX_FATAL);
}
iresult = ncvarget (exoid, connid, start, count, longs);
}
if (iresult == -1)
{
exerrval = ncerr;
sprintf(errmsg,
"Error: failed to get connectivity array for block %d in file id %d",
elem_blk_id,exoid);
ex_err("ex_get_elem_conn",errmsg, exerrval);
return(EX_FATAL);
}
if (sizeof(int) != sizeof(nclong)) {
ltoi (longs, connect, num_elem_this_blk*num_nod_per_elem);
free (longs);
}
return (EX_NOERR);
}