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170 lines
5.1 KiB
170 lines
5.1 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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* exgnm - ex_get_node_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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*
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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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* int map_id node map id
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*
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* exit conditions -
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* int* node_map node map
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*
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* revision history -
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*
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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 node map with specified ID
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*/
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int ex_get_node_map (int exoid,
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int map_id,
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int *node_map)
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{
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int dimid, var_id, id_ndx, iresult;
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long num_node, 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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/* See if any nodes are stored in this file */
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if ((dimid = ncdimid (exoid, DIM_NUM_NODES)) == -1)
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{
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return (EX_NOERR);
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}
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if (ncdiminq (exoid, dimid, (char *) 0, &num_node) == -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 in file id %d", exoid);
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ex_err("ex_get_node_map",errmsg,exerrval);
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return (EX_FATAL);
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}
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/* first check if any node maps have been defined */
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if ((dimid = ncdimid (exoid, DIM_NUM_NM)) == -1)
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{
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exerrval = ncerr;
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sprintf(errmsg,
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"Warning: no node maps defined in file id %d",
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exoid);
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ex_err("ex_get_node_map",errmsg,exerrval);
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return (EX_WARN);
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}
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/* Lookup index of node map id property array */
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id_ndx = ex_id_lkup(exoid,VAR_NM_PROP(1),map_id);
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if (exerrval != 0)
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{
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sprintf(errmsg,
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"Error: failed to locate node map id %d in %s in file id %d",
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map_id,VAR_NM_PROP(1),exoid);
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ex_err("ex_get_node_map",errmsg,exerrval);
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return (EX_FATAL);
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}
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/* inquire id's of previously defined dimensions and variables */
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if ((var_id = ncvarid (exoid, VAR_NODE_MAP(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 node map %d in file id %d",
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map_id,exoid);
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ex_err("ex_get_node_map",errmsg,exerrval);
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return (EX_FATAL);
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}
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/* read in the node 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_node;
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if (sizeof(int) == sizeof(nclong)) {
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iresult = ncvarget (exoid, var_id, start, count, node_map);
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} else {
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if (!(longs = malloc(num_node * 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 node map for file id %d",
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exoid);
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ex_err("ex_get_node_map",errmsg,exerrval);
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return (EX_FATAL);
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}
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iresult = ncvarget (exoid, var_id, 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 node map in file id %d",
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exoid);
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ex_err("ex_get_node_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, node_map, num_node);
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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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