#include "library.h"

double f(double x)
{ const double v = x / 100;
  const double y = 300 + 200*sin(v) + 25*cos(5*v);
  return y; }

void plot(double firstx, double lastx)
{ if (firstx <= lastx)
  { print(firstx);
    print(" -> ");
    print( f(firstx) );
    new_line();
    draw_to(firstx, f(firstx));
    plot(firstx + 1, lastx); } }


void main()
{ make_window(800, 600);
  move_to(0.0, f(0));
  plot(0, 600); }