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142 lines
4.6 KiB
142 lines
4.6 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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* exggvt - get_glob_var_time
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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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* int glob_var_index global variable index
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* int beg_time_step starting time step
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* int end_time_step ending time step
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*
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* exit conditions -
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* float* glob_var_vals global variable values
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*
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* revision history -
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*
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* $Id: exggvt.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 "exodusII.h"
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#include "exodusII_int.h"
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/*
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* reads the values of a single global variable through a specified number
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* of time steps in the database; time step numbers and variable indices
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* are assumed to start at 1
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*/
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int ex_get_glob_var_time (int exoid,
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int glob_var_index,
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int beg_time_step,
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int end_time_step,
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void *glob_var_vals)
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{
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int varid;
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long start[2], count[2];
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float fdum;
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char *cdum;
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char errmsg[MAX_ERR_LENGTH];
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exerrval = 0; /* clear error code */
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cdum = 0; /* initialize even though it is not used */
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/* inquire previously defined variable */
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if ((varid = ncvarid (exoid, VAR_GLO_VAR)) == -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 global variables in file id %d",
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exoid);
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ex_err("ex_get_glob_var_time",errmsg,exerrval);
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return (EX_WARN);
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}
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/* read values of global variables */
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start[0] = --beg_time_step;
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start[1] = --glob_var_index;
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if (end_time_step < 0)
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{
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/* user is requesting the maximum time step; we find this out using the
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* database inquire function to get the number of time steps
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*/
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if (ex_inquire (exoid, EX_INQ_TIME, &end_time_step, &fdum, cdum) == -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 time steps in file id %d",
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exoid);
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ex_err("ex_get_glob_var_time",errmsg,exerrval);
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return (EX_FATAL);
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}
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}
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end_time_step--;
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count[0] = end_time_step - beg_time_step + 1;
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count[1] = 1;
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if (ncvarget (exoid, varid, start, count,
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ex_conv_array(exoid,RTN_ADDRESS,glob_var_vals,count[0])) == -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 global variable %d values from file id %d",
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glob_var_index, exoid);
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ex_err("ex_get_glob_var_time",errmsg,exerrval);
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return (EX_FATAL);
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}
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ex_conv_array( exoid, READ_CONVERT, glob_var_vals, count[0] );
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return (EX_NOERR);
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}
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