/* -*-ePiX-*- */
#include "epix.h"
#include "cme_style.h"
using namespace ePiX;

double f(double x)
{
  return x/3;
}

int main()
{
  picture(P(-1,-1), P(13,6), "2 x 1in");

  begin();
  cme_bold();
  v_axis(P(0,1), P(0,4), 3);

  plot(f, 0, 12.5, 1);

  cme_dashed();
  for (int i=1; i<12; ++i)
    line(P(i, 0), P(i, f(i)));
  cme_solid();

  line(P(12,0), P(12,f(12)));

  brace(P(0,0), P(12,0), "$12$", P(0,-2));
  smallbrace(P(12,0), P(12,4), "$4$", P(2,0));

  axis_labels("$O$", "$x$", "$y$");
  axes();
  caption("Fig.~53.");
  tikz_format();
  end();
}