# include <stdio.h>
# include <time.h>

# include "ppc_array.h"
# include "ppc_evolution.h"
# include "ppc_evolution_io.h"

int main ( );
void timestamp ( );

/******************************************************************************/

int main ( )

/******************************************************************************/
/*
  Purpose:

    ppc_evolution_io_test() tests ppc_evolution_io().

  Licensing:

    This code is distributed under the MIT license. 

  Modified:

    24 May 2024

  Author:

    John Burkardt

  Reference:

    Rouben Rostamian,
    Programming Projects in C 
    for Students of Engineering, Science, and Mathematics,
    SIAM, 2014,
    ISBN: 978-1-611973-49-5
*/
{
  int result;
  struct world World;
  struct world *world = &World;

  timestamp ( );

  printf ( "\n" );
  printf ( "ppc_evolution_io_test():\n" );
  printf ( "  C version\n" );
  printf ( "  Test ppc_evolution_io().\n" );

  world->herd = NULL;
  world->plants = NULL;

  result = read_wdf ( world );

  if ( ! result )
  {
    free_matrix ( world->plants );
/*
    free_herd ( world->herd );
*/
    printf ( "\n" );
    printf ( "ppc_evolution_io_test():\n" );
    printf ( "  Abormal end of execution.\n" );
    timestamp ( );
    return 1;
  }

  result = write_wdf ( world, "copy.wdf" );
/*
  Terminate.
*/
  printf ( "\n" );
  printf ( "ppc_evolution_io_test():\n" );
  printf ( "  Normal end of execution.\n" );

  timestamp ( );

  return 0;
}
/******************************************************************************/

void timestamp ( )

/******************************************************************************/
/*
  Purpose:
 
    timestamp() prints the current YMDHMS date as a time stamp.

  Example:

    17 June 2014 09:45:54 AM

  Licensing:

    This code is distributed under the MIT license. 

  Modified:

    01 May 2021

  Author:

    John Burkardt
*/
{
# define TIME_SIZE 40

  static char time_buffer[TIME_SIZE];
  const struct tm *tm;
  time_t now;

  now = time ( NULL );
  tm = localtime ( &now );

  strftime ( time_buffer, TIME_SIZE, "%d %B %Y %I:%M:%S %p", tm );

  printf ( "%s\n", time_buffer );

  return;
# undef TIME_SIZE
}