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

using namespace std;

# include "candy_count.hpp"

int main ( );
void candy_count_box_test ( );
void candy_count_matrix_test ( );
void candy_count_vector_test ( );
void timestamp ( );

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

int main ( )

//****************************************************************************80
//
//  Purpose:
//
//    candy_count_test() tests candy_count().
//
//  Licensing:
//
//    This code is distributed under the MIT license.
//
//  Modified:
//
//    25 June 2024
//
//  Author:
//
//    John Burkardt
//
{
  timestamp ( );

  cout << "\n";
  cout << "candy_count_test():\n";
  cout << "  C++ version\n";
  cout << "  Test candy_count().\n";

  candy_count_vector_test ( );
  candy_count_matrix_test ( );
  candy_count_box_test ( );
//
//  Terminate.
//
  cout << "\n";
  cout << "candy_count_test():\n";
  cout << "  Normal end of execution.\n";
  cout << "\n";
  timestamp ( );

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

void candy_count_box_test ( )

//****************************************************************************80
//
//  Purpose:
//
//    candy_count_box_test() tests candy_count_box().
//
//  Licensing:
//
//    This code is distributed under the MIT license.
//
//  Modified:
//
//    25 June 2024
//
//  Author:
//
//    John Burkardt
//
{
  int c;
  int *counts;
  int i;
  int l;
  int m;
  int n;

  cout << "\n";
  cout << "candy_count_box_test():\n";
  cout << "  candy_count_box() counts candy types in a 3D box.\n";
  cout << "  There are LxMxN entries in the box A().\n";
  cout << "  There are C candy types.\n";
  cout << "  Candy types are assigned cyclically to matrix entries:\n";
  cout << "  A(I,J,K) = mod ( i + j + k, c )\n";
  cout << "  Count the number of candies of each type.\n";
//
//  Test 1
//
  c = 4;
  l = 7;
  m = 10;
  n = 13;
  cout << "\n";
  cout << "  Count using candy_count_box()\n";
  cout << "\n";
  cout << "   C   L   M   N  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << i;
  }
  cout << "\n";
  counts = candy_count_box ( c, l, m, n );
  cout << "  " << setw(2) << c
       << "  " << setw(2) << l
       << "  " << setw(2) << m
       << "  " << setw(2) << n
       << "  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << counts[i];
  }
  cout << "\n";
  delete [] counts;

  c = 4;
  l = 7;
  m = 10;
  n = 13;
  cout << "\n";
  cout << "  Repeat calculation using candy_count_box_sum()\n";
  cout << "\n";
  cout << "   C   L   M   N  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << i;
  }
  cout << "\n";
  counts = candy_count_box_sum ( c, l, m, n );
  cout << "  " << setw(2) << c
       << "  " << setw(2) << l
       << "  " << setw(2) << m
       << "  " << setw(2) << n
       << "  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << counts[i];
  }
  cout << "\n";
  delete [] counts;
//
//  Test 2
//
  c = 5;
  l = 12;
  m = 13;
  n = 19;
  cout << "\n";
  cout << "  Count using candy_count_box()\n";
  cout << "\n";
  cout << "   C   L   M   N  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << i;
  }
  cout << "\n";
  counts = candy_count_box ( c, l, m, n );
  cout << "  " << setw(2) << c
       << "  " << setw(2) << l
       << "  " << setw(2) << m
       << "  " << setw(2) << n
       << "  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << counts[i];
  }
  cout << "\n";
  delete [] counts;

  c = 5;
  l = 12;
  m = 13;
  n = 19;
  cout << "\n";
  cout << "  Repeat calculation using candy_count_box_sum()\n";
  cout << "\n";
  cout << "   C   L   M   N  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << i;
  }
  cout << "\n";
  counts = candy_count_box_sum ( c, l, m, n );
  cout << "  " << setw(2) << c
       << "  " << setw(2) << l
       << "  " << setw(2) << m
       << "  " << setw(2) << n
       << "  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << counts[i];
  }
  cout << "\n";
  delete [] counts;

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

void candy_count_matrix_test ( )

//****************************************************************************80
//
//  Purpose:
//
//    candy_count_matrix_test() tests candy_count_matrix().
//
//  Licensing:
//
//    This code is distributed under the MIT license.
//
//  Modified:
//
//    25 June 2024
//
//  Author:
//
//    John Burkardt
//
{
  int c;
  int *counts;
  int i;
  int m;
  int n;

  cout << "\n";
  cout << "candy_count_matrix_test():\n";
  cout << "  candy_count_matrix() counts candy types in a matrix.\n";
  cout << "  There are MxN entries in the matrix A().\n";
  cout << "  There are C candy types.\n";
  cout << "  Candy types are assigned cyclically to matrix entries:\n";
  cout << "  A(I,J) = mod ( i + j, c )\n";
  cout << "  Count the number of candies of each type.\n";
//
//  Test 1
//
  c = 4;
  m = 10;
  n = 13;
  cout << "\n";
  cout << "  Count using candy_count_matrix()\n";
  cout << "\n";
  cout << "   C   M   N  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << i;
  }
  cout << "\n";
  counts = candy_count_matrix ( c, m, n );
  cout << "  " << setw(2) << c
       << "  " << setw(2) << m
       << "  " << setw(2) << n
       << "  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << counts[i];
  }
  cout << "\n";
  delete [] counts;

  c = 4;
  m = 10;
  n = 13;
  cout << "\n";
  cout << "  Repeat calculation using candy_count_matrix_sum()\n";
  cout << "\n";
  cout << "   C   M   N  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << i;
  }
  cout << "\n";
  counts = candy_count_matrix_sum ( c, m, n );
  cout << "  " << setw(2) << c
       << "  " << setw(2) << m
       << "  " << setw(2) << n
       << "  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << counts[i];
  }
  cout << "\n";
  delete [] counts;
//
//  Test 2
//
  c = 5;
  m = 13;
  n = 19;
  cout << "\n";
  cout << "  Count using candy_count_matrix()\n";
  cout << "\n";
  cout << "   C   M   N  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << i;
  }
  cout << "\n";
  counts = candy_count_matrix ( c, m, n );
  cout << "  " << setw(2) << c
       << "  " << setw(2) << m
       << "  " << setw(2) << n
       << "  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << counts[i];
  }
  cout << "\n";
  delete [] counts;

  c = 5;
  m = 13;
  n = 19;
  cout << "\n";
  cout << "  Repeat calculation using candy_count_matrix_sum()\n";
  cout << "\n";
  cout << "   C   M   N  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << i;
  }
  cout << "\n";
  counts = candy_count_matrix_sum ( c, m, n );
  cout << "  " << setw(2) << c
       << "  " << setw(2) << m
       << "  " << setw(2) << n
       << "  ";
  for ( i = 0; i < c; i++ )
  {
    cout << setw(4) << counts[i];
  }
  cout << "\n";
  delete [] counts;

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

void candy_count_vector_test ( )

//****************************************************************************80
//
//  Purpose:
//
//    candy_count_vector_test() tests candy_count_vector().
//
//  Licensing:
//
//    This code is distributed under the MIT license.
//
//  Modified:
//
//    25 June 2024
//
//  Author:
//
//    John Burkardt
//
{
  int c;
  int *counts;
  int i;
  int n;

  cout << "\n";
  cout << "candy_count_vector_test():\n";
  cout << "  candy_count_vector() counts candy types in a vector.\n";
  cout << "  There are N entries in the vector A().\n";
  cout << "  There are C candy types.\n";
  cout << "  Candy types are assigned cyclically to vector entries:\n";
  cout << "  A(I) = mod ( i, c )\n";
  cout << "  Count the number of candies of each type.\n";

  c = 4;
  cout << "\n";
  cout << "  Count using candy_count_vector()\n";
  cout << "  Fix value of C = " << c << "\n";
  cout << "  Consider a range of values of N:\n";
  cout << "\n";
  cout << "   N    #0  #1  #2  #3\n";
  cout << "\n";

  for ( n = 3; n <= 10; n++ )
  {
    counts = candy_count_vector ( c, n );
    cout << "  " << setw(2) << n << "  ";
    for ( i = 0; i < c; i++ )
    {
      cout << setw(4) << counts[i];
    }
    cout << "\n";
    delete [] counts;
  }

  c = 4;
  cout << "\n";
  cout << "  Repeat calculation, using candy_count_vector_sum()\n";
  cout << "  Fix value of C = " << c << "\n";
  cout << "  Consider a range of values of N:\n";
  cout << "\n";
  cout << "   N    #0  #1  #2  #3\n";
  cout << "\n";

  for ( n = 3; n <= 10; n++ )
  {
    counts = candy_count_vector_sum ( c, n );
    cout << "  " << setw(2) << "  ";
    for ( i = 0; i < c; i++ )
    {
      cout << setw(4) << counts[i];
    }
    cout << "\n";
    delete [] counts;
  }

  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
}
//****************************************************************************80

char *timestring ( )

//****************************************************************************80
//
//  Purpose:
//
//    timestring() returns the current YMDHMS date as a string.
//
//  Example:
//
//    31 May 2001 09:45:54 AM
//
//  Licensing:
//
//    This code is distributed under the MIT license. 
//
//  Modified:
//
//    08 July 2009
//
//  Author:
//
//    John Burkardt
//
//  Output:
//
//    char *TIMESTRING, a string containing the current YMDHMS date.
//
{
# define TIME_SIZE 40

  const struct std::tm *tm_ptr;
  std::time_t now;
  char *s;

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

  s = new char[TIME_SIZE];

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

  return s;
# undef TIME_SIZE
}