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

# include "pentominoes.h"

int main ( );
void pentomino_matrix_test ( );
void pentomino_plot_test ( );
void timestamp ( );

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

int main ( )

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

    pentominoes_test() tests pentominoes().

  Licensing:

    This code is distributed under the MIT license.

  Modified:

    21 April 2018

  Author:

    John Burkardt
*/
{
  timestamp ( );
  printf ( "\n" );
  printf ( "PENTOMINOES_TEST\n" );
  printf ( "  C version\n" );
  printf ( "  Test the PENTOMINOES library.\n" );

  pentomino_matrix_test ( );
  pentomino_plot_test ( );
/*
  Terminate.
*/
  printf ( "\n" );
  printf ( "PENTOMINOES_TEST\n" );
  printf ( "  Normal end of execution.\n" );
  printf ( "\n" );
  timestamp ( );

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

void pentomino_matrix_test ( )

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

    PENTOMINO_MATRIX_TEST tests PENTOMINO_MATRIX.

  Licensing:

    This code is distributed under the MIT license.

  Modified:

    21 April 2018

  Author:

    John Burkardt
*/
{
  int i;
  int j;
  int k;
  char name;
  int *p;
  int p_m;
  int p_n;
  char pentominoes[12] = 
    { 'F', 'I', 'L', 'N', 'P', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' };

  printf ( "\n" );
  printf ( "PENTOMINO_MATRIX_TEST\n" );
  printf ( "  PENTOMINO_MATRIX returns a 0/1 matrix representing a pentomino.\n" );

  for ( k = 0; k < 12; k++ )
  {
    name = pentominoes[k];
    pentomino_matrix ( name, &p_m, &p_n, &p );
    printf ( "\n" );
    printf ( "  %c pentomino (%d,%d):\n", name, p_m, p_n );
    printf ( "\n" );
    for ( i = 0; i < p_m; i++ )
    {
      printf ( "    " );
      for ( j = 0; j < p_n; j++ )
      {
        printf ( "%d", p[i*p_n+j] );
      }
      printf ( "\n" );
    }
    free ( p );
  }

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

void pentomino_plot_test ( )

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

    PENTOMINO_PLOT_TEST tests PENTOMINO_PLOT.

  Licensing:

    This code is distributed under the MIT license.

  Modified:

    21 April 2018

  Author:

    John Burkardt
*/
{
  int k;
  char label[2];
  char name;
  int *p;
  int p_m;
  int p_n;
  char pentominoes[12] = 
    { 'F', 'I', 'L', 'N', 'P', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' };

  printf ( "\n" );
  printf ( "PENTOMINO_PLOT_TEST\n" );
  printf ( "  PENTOMINO_PLOT plots a pentomino.\n" );

  for ( k = 0; k < 12; k++ )
  {
    name = pentominoes[k];
    sprintf ( label, "%c", name );
    pentomino_matrix ( name, &p_m, &p_n, &p );
    pentomino_plot ( p_m, p_n, p, label );
  }

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

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:

    17 June 2014

  Author:

    John Burkardt

  Parameters:

    None
*/
{
# 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
}