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

# include "triangle_nodefile_random.h"

int main ( );
void timestamp ( );

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

int main ( )

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

    triangle_nodefile_random_test() tests triangle_nodefile_random().

  Licensing:

    This code is distributed under the MIT license.

  Modified:

    15 August 2024

  Author:

    John Burkardt
*/
{
  char filename[] = "nodes.txt";
  int m;
  int n;
  double *x;

  timestamp ( );
  printf ( "\n" );
  printf ( "triangle_nodefile_random_test():\n" );
  printf ( "  C version\n" );
  printf ( "  Test triangle_nodefile_random().\n" );
/*
  Create 20 random nodes in 2D.
*/
  m = 2;
  n = 20;
  x = triangle_node_random ( m, n );

  printf ( "\n" );
  printf ( "  Spatial dimension m = %d\n", m );
  printf ( "  Number of points n = %d\n", n );
/*
  Store this data in a triangle() node file.
*/
  triangle_node_write ( filename, m, n, x );

  printf ( "\n" );
  printf ( "  Data was written to the triangle node file '%s'\n", filename );
/*
  Free memory.
*/
  free ( x );
/*
  Terminate.
*/
  printf ( "\n" );
  printf ( "triangle_nodefile_random_test():\n" );
  printf ( "  Normal end of execution.\n" );
  printf ( "\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
}