# include <cstdlib>
# include <iostream>
# include <iomanip>
# include <ctime>

using namespace std;

# include "collatz_recursive.hpp"

//****************************************************************************80

void collatz_path ( int n )

//****************************************************************************80
//
//  Purpose:
//
//    COLLATZ_PATH prints the members of a Collatz sequence.
//
//  Licensing:
//
//    This code is distributed under the GNU LGPL license. 
//
//  Modified:
//
//    09 March 2012
//
//  Author:
//
//    John Burkardt
//
//  Parameters:
//
//    Input, int N, the current path member.
//
{
  cout << "  " << n << "\n";

  if ( n == 1 )
  {
  }
  else if ( n % 2 == 0 )
  {
    collatz_path ( n / 2 );
  }
  else
  {
    collatz_path ( 3 * n + 1 );
  }
  return;
}
//****************************************************************************80

void timestamp ( )

//****************************************************************************80
//
//  Purpose:
//
//    TIMESTAMP prints the current YMDHMS date as a time stamp.
//
//  Example:
//
//    31 May 2001 09:45:54 AM
//
//  Licensing:
//
//    This code is distributed under the GNU LGPL license. 
//
//  Modified:
//
//    08 July 2009
//
//  Author:
//
//    John Burkardt
//
//  Parameters:
//
//    None
//
{
# define TIME_SIZE 40

  static char time_buffer[TIME_SIZE];
  const struct std::tm *tm_ptr;
  size_t len;
  std::time_t now;

  now = std::time ( NULL );
  tm_ptr = std::localtime ( &now );

  len = std::strftime ( time_buffer, TIME_SIZE, "%d %B %Y %I:%M:%S %p", tm_ptr );

  std::cout << time_buffer << "\n";

  return;
# undef TIME_SIZE
}