/*
 * 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.
 * 
 */
/*****************************************************************************
*
* expmap - ex_put_map
*
* 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 - 
*   input parameters:
*       int     exoid                   exodus file id
*       int*    elem_map                element order map array
*
* exit conditions - 
*
* revision history - 
*
*  $Id: expmap.c,v 1.2 2005/07/19 12:31:28 andy Exp $
*
*****************************************************************************/

#include "exodusII.h"
#include "exodusII_int.h"

#include <stdlib.h>

/*
 * writes out the element order map to the database
 */

int ex_put_map (int  exoid,
                const int *elem_map)
{
   int numelemdim, dims[1], mapid, iresult;
   long num_elem, start[1], count[1]; 
   nclong *lptr;
   char errmsg[MAX_ERR_LENGTH];

   exerrval = 0; /* clear error code */

/* inquire id's of previously defined dimensions  */

  /* determine number of elements. Return if zero... */
   if ((numelemdim = ncdimid (exoid, DIM_NUM_ELEM)) == -1)
   {
     return (EX_NOERR);
   }

   if (ncdiminq (exoid, numelemdim, (char *) 0, &num_elem) == -1)
   {
     exerrval = ncerr;
     sprintf(errmsg,
            "Error: failed to get number of elements in file id %d",
             exoid);
     ex_err("ex_put_map",errmsg,exerrval);
     return (EX_FATAL);
   }


/* put netcdf file into define mode  */

   if (ncredef (exoid) == -1)
   {
     exerrval = ncerr;
     sprintf(errmsg,
            "Error: failed to put file id %d into define mode",
             exoid);
     ex_err("ex_put_map",errmsg,exerrval);
     return (EX_FATAL);
   }


/* create a variable array in which to store the element map  */

   dims[0] = numelemdim;

   if ((mapid = ncvardef (exoid, VAR_MAP, NC_LONG, 1, dims)) == -1)
   {
   if (ncerr == NC_ENAMEINUSE)
     {
       exerrval = ncerr;
       sprintf(errmsg,
              "Error: element map already exists in file id %d",
               exoid);
       ex_err("ex_put_map",errmsg,exerrval);
     }
     else
     {
       exerrval = ncerr;
       sprintf(errmsg,
              "Error: failed to create element map array in file id %d",
               exoid);
       ex_err("ex_put_map",errmsg,exerrval);
     }
     goto error_ret;         /* exit define mode and return */
   }


/* leave define mode  */

   if (ncendef (exoid) == -1)
   {
     exerrval = ncerr;
     sprintf(errmsg,
            "Error: failed to complete definition in file id %d",
             exoid);
     ex_err("ex_put_map",errmsg,exerrval);
     return (EX_FATAL);
   }


/* write out the element order map  */

/* this contortion is necessary because netCDF is expecting nclongs; fortunately
   it's necessary only when ints and nclongs aren't the same size */

   start[0] = 0;
   count[0] = num_elem;

   if (sizeof(int) == sizeof(nclong)) {
      iresult = ncvarput (exoid, mapid, start, count, elem_map);
   } else {
      lptr = itol (elem_map, (int)num_elem);
      iresult = ncvarput (exoid, mapid, start, count, lptr);
      free(lptr);
   }

   if (iresult == -1)
   {
     exerrval = ncerr;
     sprintf(errmsg,
            "Error: failed to store element map in file id %d",
             exoid);
     ex_err("ex_put_map",errmsg,exerrval);
     return (EX_FATAL);
   }

   return (EX_NOERR);

/* Fatal error: exit definition mode and return */
error_ret:
       if (ncendef (exoid) == -1)     /* exit define mode */
       {
         sprintf(errmsg,
                "Error: failed to complete definition for file id %d",
                 exoid);
         ex_err("ex_put_map",errmsg,exerrval);
       }
       return (EX_FATAL);
}