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

const double b0(3.5), m0(0.6);
double f(double x)
{
  return b0 + m0*x;
}

int main()
{
  picture(P(0,0), P(10.5,10), "2.25 x 2.25in");

  begin();
  cme_bold();

  plot(f, 0, 10.25, 1);

  for (int i=1; i<=10; ++i)
    {
      cme_dashed();
      P tmp(i,f(i));
      line(P(i,0), tmp);

      cme_solid();
      line(P(i-1, f(i-1)), P(i, f(i-1)));
      line(tmp, P(i, f(i-1)));
    }

  cme_dashed();
  line(P(0,b0), P(11,b0));
  cme_solid();

  brace(P(0,f(0)), P(0,0), "$b$");

  axis_labels();
  axes();
  caption("Fig.~47.");
  tikz_format();
  end();
}