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

# include "polyomino_index.h"

int main ( );

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

int main ( )

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

    POLYOMINO_INDEX_TEST tests POLYOMINO_INDEX.

  Licensing:

    This code is distributed under the GNU LGPL license.

  Modified:

    30 April 2018

  Author:

    John Burkardt
*/
{
  int i;
  int j;
  int m = 3;
  int n = 4;
/*
  P is listed in column-major order;
*/
  int p[3*4] = { 
    1, 1, 0,
    0, 1, 1,
    1, 1, 1,
    1, 0, 0 };
  int *pin;

  timestamp ( );
  printf ( "\n" );
  printf ( "POLYOMINO_INDEX_TEST\n" );
  printf ( "  C version\n" );
  printf ( "  POLYOMINO_INDEX assigns an index to each nonzero entry\n" );
  printf ( "  of a polyomino.\n" );

  polyomino_print ( m, n, p, "  The polyomino P:" );

  pin = polyomino_index ( m, n, p );

  printf ( "\n" );
  printf ( "  PIN: Index vector for P:\n" );
  printf ( "\n" );
  for ( i = 0; i < m; i++ )
  {
    for ( j = 0; j < n; j++ )
    {
      printf ( " %d", pin[i+j*m] );
    }
    printf ( "\n" );
  }
/*
  Free memory.
*/
  free ( pin );
/*
  Terminate.
*/
  printf ( "\n" );
  printf ( "POLYOMINO_INDEX_TEST\n" );
  printf ( "  Normal end of execution.\n" );
  printf ( "\n" );
  timestamp ( );

  return 0;
}