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152 lines
4.8 KiB
152 lines
4.8 KiB
/*
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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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* exgenm - ex_get_elem_num_map
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*
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* author - Sandia National Laboratories
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* Larry A. Schoof - Original
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* James A. Schutt - 8 byte float and standard C definitions
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* Vic Yarberry - Added headers and error logging
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*
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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 exoid exodus file id
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*
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* exit conditions -
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* int* elem_map element number map array
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*
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* revision history -
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*
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*****************************************************************************/
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#include <stdlib.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 element numbering map from the database; allows element numbers
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* to be noncontiguous
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*/
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int ex_get_elem_num_map (int exoid,
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int *elem_map)
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{
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int numelemdim, mapid, i, iresult;
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long num_elem, start[1], count[1];
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nclong *longs;
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char errmsg[MAX_ERR_LENGTH];
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exerrval = 0; /* clear error code */
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/* inquire id's of previously defined dimensions and variables */
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/* See if file contains any elements...*/
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if ((numelemdim = ncdimid (exoid, DIM_NUM_ELEM)) == -1)
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{
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return(EX_NOERR);
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}
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if (ncdiminq (exoid, numelemdim, (char *) 0, &num_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 elements in file id %d",
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exoid);
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ex_err("ex_get_elem_num_map",errmsg,exerrval);
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return (EX_FATAL);
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}
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if ((mapid = ncvarid (exoid, VAR_ELEM_NUM_MAP)) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,
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"Warning: elem numbering map not stored in file id %d; returning default map",
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exoid);
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ex_err("ex_get_elem_num_map",errmsg,exerrval);
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/* generate default map of 1..n, where n is num_elem */
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for (i=0; i<num_elem; i++)
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elem_map[i] = i+1;
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return (EX_WARN);
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}
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/* read in the element numbering map */
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/* application code has allocated an array of ints but netcdf is expecting
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a pointer to nclongs; if ints are different sizes than nclongs,
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we must allocate an array of nclongs then convert them to ints with ltoi */
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start[0] = 0;
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count[0] = num_elem;
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if (sizeof(int) == sizeof(nclong)) {
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iresult = ncvarget (exoid, mapid, start, count, elem_map);
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} else {
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if (!(longs = malloc(num_elem * sizeof(nclong)))) {
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exerrval = EX_MEMFAIL;
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sprintf(errmsg,
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"Error: failed to allocate memory for element number map for file id %d",
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exoid);
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ex_err("ex_get_elem_num_map",errmsg,exerrval);
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return (EX_FATAL);
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}
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iresult = ncvarget (exoid, mapid, start, count, longs);
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}
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if (iresult == -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 number map in file id %d",
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exoid);
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ex_err("ex_get_elem_num_map",errmsg,exerrval);
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return (EX_FATAL);
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}
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if (sizeof(int) != sizeof(nclong)) {
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ltoi (longs, elem_map, num_elem);
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free (longs);
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}
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return(EX_NOERR);
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}
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