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

# include "ppc_array.h"

int main ( );

void make_vector_test ( );

void make_matrix_test ( );

void make_vector_int_test ( );

void make_matrix_float_test ( );
void make_matrix_double_test ( );
void make_matrix_int_test ( );


void timestamp ( );

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

int main ( )

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

    ppc_array_test() tests ppc_array().

  Licensing:

    This code is distributed under the MIT license. 

  Modified:

    06 September 2023

  Author:

    John Burkardt
*/
{
  timestamp ( );
  printf ( "\n" );
  printf ( "ppc_array_test():\n" );
  printf ( "  C version\n" );
  printf ( "  Test ppc_array(), which creates vectors and arrays.\n" );

  make_vector_test ( );

  make_matrix_test ( );
 
  make_vector_int_test ( );

  make_matrix_double_test ( );
  make_matrix_float_test ( );
  make_matrix_int_test ( );
/*
  Terminate.
*/
  printf ( "\n" );
  printf ( "ppc_array_test():\n" );
  printf ( "  Normal end of execution.\n" );
  printf ( "\n" );
  timestamp ( );

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

void make_vector_test ( )

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

    make_vector_test() tests make_vector().

  Licensing:

    This code is distributed under the MIT license. 

  Modified:

    08 September 2023

  Author:

    John Burkardt
*/
{
  int i;
  size_t n = 5;
  double *v;

  printf ( "\n" );
  printf ( "make_vector_test():\n" );
  printf ( "  Test make_vector().\n" );
  printf ( "  Test print_vector().\n" );
  printf ( "  Test free_vector().\n" );

  make_vector ( v, n );

  for ( i = 0; i < n; i++ )
  {
    v[i] = 1.0 / ( double ) ( i + 1 );
  }

  print_vector ( "  %10f", v, n );

  free_vector ( v );

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

void make_matrix_test ( )

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

    make_matrix_test() tests make_matrix().

  Licensing:

    This code is distributed under the MIT license. 

  Modified:

    08 September 2023

  Author:

    John Burkardt
*/
{
  double **a;
  int i;
  int j;
  size_t m = 5;
  size_t n = 5;

  printf ( "\n" );
  printf ( "make_matrix_test():\n" );
  printf ( "  Test make_matrix().\n" );
  printf ( "  Test print matrix().\n" );
  printf ( "  Test free_matrix().\n" );
  printf ( "  Create a Hilbert matrix of type double.\n" );

  make_matrix ( a, m, n );

  for ( i = 0; i < m; i++ )
  {
    for ( j = 0; j < n; j++ )
    {
      a[i][j] = 1.0 / ( double ) ( i + j + 1 );
    }
  }

  print_matrix ( "  %10f", a, m, n );

  free_matrix ( a );

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

void make_vector_int_test ( )

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

    make_vector_int_test() tests make_vector_int().

  Licensing:

    This code is distributed under the MIT license. 

  Modified:

    05 September 2023

  Author:

    John Burkardt
*/
{
  int *h;
  int i;
  size_t n = 4;

  printf ( "\n" );
  printf ( "make_vector_int_test():\n" );
  printf ( "  Test make_vector_int().\n" );
  printf ( "  Test free_vector_int().\n" );

  h = make_vector_int ( n );

  for ( i = 0; i < n; i++ )
  {
    h[i] = i + 1;
  }

  for ( i = 0; i < n; i++ )
  {
    printf ( "  %2d\n", h[i] );
  }
  free_vector_int ( h );

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

void make_matrix_double_test ( )

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

    make_matrix_double_test() tests make_matrix_double().

  Licensing:

    This code is distributed under the MIT license. 

  Modified:

    28 July 2019

  Author:

    John Burkardt
*/
{
  double **h;
  int i;
  int j;
  size_t m = 5;
  size_t n = 4;

  printf ( "\n" );
  printf ( "make_matrix_double_test():\n" );
  printf ( "  Test make_matrix_double().\n" );
  printf ( "  Test free_matrix_double().\n" );

  h = make_matrix_double ( m, n );

  for ( i = 0; i < m; i++ )
  {
    for ( j = 0; j < n; j++ )
    {
      h[i][j] = 1.0 / ( double ) ( i + j + 1 );
    }
  }

  for ( i = 0; i < m; i++ )
  {
    for ( j = 0; j < n; j++ )
    {
      printf ( "  %10f", h[i][j] );
    }
    printf ( "\n" );
  }
  free_matrix_double ( h );

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

void make_matrix_float_test ( )

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

    make_matrix_float_test() tests make_matrix_float().

  Licensing:

    This code is distributed under the MIT license. 

  Modified:

    28 July 2019

  Author:

    John Burkardt
*/
{
  float **h;
  int i;
  int j;
  size_t m = 5;
  size_t n = 4;

  printf ( "\n" );
  printf ( "make_matrix_float_test():\n" );
  printf ( "  Test make_matrix_float().\n" );
  printf ( "  Test free_matrix_float().\n" );

  h = make_matrix_float ( m, n );

  for ( i = 0; i < m; i++ )
  {
    for ( j = 0; j < n; j++ )
    {
      h[i][j] = 1.0 / ( float ) ( i + j + 1 );
    }
  }

  for ( i = 0; i < m; i++ )
  {
    for ( j = 0; j < n; j++ )
    {
      printf ( "  %10f", h[i][j] );
    }
    printf ( "\n" );
  }
  free_matrix_float ( h );

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

void make_matrix_int_test ( )

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

    make_matrix_int_test() tests make_matrix_int().

  Licensing:

    This code is distributed under the MIT license. 

  Modified:

    05 September 2023

  Author:

    John Burkardt
*/
{
  int **h;
  int i;
  int j;
  size_t m = 5;
  size_t n = 4;

  printf ( "\n" );
  printf ( "make_matrix_int_test():\n" );
  printf ( "  Test make_matrix_int().\n" );
  printf ( "  Test free_matrix_int().\n" );

  h = make_matrix_int ( m, n );

  for ( i = 0; i < m; i++ )
  {
    for ( j = 0; j < n; j++ )
    {
      h[i][j] = 10 * ( i + 1 ) + j + 1;
    }
  }

  for ( i = 0; i < m; i++ )
  {
    for ( j = 0; j < n; j++ )
    {
      printf ( "  %2d", h[i][j] );
    }
    printf ( "\n" );
  }
  free_matrix_int ( h );

  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
*/
{
# 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
}