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

using namespace std;

# include "latin_random.hpp"

int main ( );
void test01 ( int &seed );
void timestamp ( );

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

int main ( )

//****************************************************************************80
//
//  Purpose:
//
//    latin_random_test() tests latin_random().
//
//  Licensing:
//
//    This code is distributed under the MIT license.
//
//  Modified:
//
//    01 March 2007
//
//  Author:
//
//    John Burkardt
//
{
  int seed;
  int test;

  timestamp ( );
  cout << "\n";
  cout << "LATIN_RANDOM_TEST():\n";
  cout << "  C++ version\n";
  cout << "  Test LATIN_RANDOM().\n";

  seed = 123456789;

  for ( test = 0; test < 3; test++ )
  {
    test01 ( seed );
  }
//
//  Terminate.
//
  cout << "\n";
  cout << "LATIN_RANDOM_TEST():\n";
  cout << "  Normal end of execution.\n";
  cout << "\n";
  timestamp ( );

  return 0;
}
//****************************************************************************80

void test01 ( int &seed )

//****************************************************************************80
//
//  Purpose:
//
//    TEST01 tests LATIN_RANDOM_NEW.
//
//  Licensing:
//
//    This code is distributed under the MIT license.
//
//  Modified:
//
//    12 November 2014
//
//  Author:
//
//    John Burkardt
//
//  Parameters:
//
//    Input/output, int &SEED, a seed for the random number generator.
//
{
  int m = 2;
  int n = 10;
  double *x;

  cout << "\n";
  cout << "TEST01\n";
  cout << "  LATIN_RANDOM chooses a Latin Square cell arrangement,\n";
  cout << "  and then chooses a random point from each cell.\n";
  cout << "\n";
  cout << "  Spatial dimension = " << m << "\n";
  cout << "  Number of points =  " << n << "\n";
  cout << "  Initial seed for UNIFORM = " << seed << "\n";

  x = latin_random_new ( m, n, seed );

  r8mat_transpose_print ( m, n, x, "  Latin Random Square:" );

  delete [] x;

  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 MIT license. 
//
//  Modified:
//
//    19 March 2018
//
//  Author:
//
//    John Burkardt
//
{
# define TIME_SIZE 40

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

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

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

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

  return;
# undef TIME_SIZE
}