# include <cstdlib>
# include <iostream>
# include <cmath>

using namespace std;

int main ( )
//
//  SINE_TABLE prints a table of 501 equally spaced points X
//  between 0 and 20 ( = 500 * 0.04 ), and the corresponding
//  values of the sine function.
//
//  If the output of this program is redirected to a file,
//  it can be plotted.  GNUPLOT is one program that can 
//  plot the data.
//
{
  int i;
  float x;
  float y;

  x = 0.0;

  for ( i = 0; i <= 500; i++ )
  {
    y = sin ( x );
    cout << x << "  " << y << "\n";
    x = x + 0.04;
  }
 
  cerr << "Program wrote 501 points to file.\n";

  return 0;
}