#include "library.h"

const int maxx = 600, maxy = 600;
bool drawn = false;

double f1(const double x)
{ return 300 + 200*sin(x/100) + 50*cos(x/20); }

double f2(const double x)
{ return 300 + 100*sin(x/50) + 100*cos(x/40); }

void tabulate(const double x, const double finalx, double f(const double x))
{ if (x <= finalx)
  { print("When X is ");
    print(x);
    print(", Y is ");
    const double y = f(x);
    print(y);
    new_line();
    if (drawn)
      draw_to(x, maxy-y);
    else
      move_to(x, maxy-y);
    drawn = true;
    tabulate(x+1, finalx, f); } }

void main()
{ make_window(maxx, maxy);
  set_pen_width(3);
  set_pen_color(color::blue);
  tabulate(0, maxx, f1);
  set_pen_color(color::red);
  drawn = false;
  tabulate(0, maxx, f2); }