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

P O(0,0);
double th(45);

int main()
{
  picture(P(-1,-1), P(1,1), "4 x 4in");

  begin();
  degrees();
  bold();
  P pA(1,0), pA2(-1,0), pB(cis(th)), pB1(cis(180-th)), pB2(-pB), pB3(-pB1);
  P pC(0,1), pC2(0,-1), pD(Cos(th),0), pD2(-pD), pE(0,Sin(th)), pE2(-pE);

  circle();
  line(pA, pA2);
  line(pB, pB2);
  line(pC, pC2);
  line(pB1, pB3);

  line(pB, pB3);
  line(pB1, pB2);

  line(pB, pE);

  label(pA, P(-2,2), "$A$", tl);
  label(pA2, P(2,-2), "$A'$", br);

  label(pB, P(2,2), "$B$", tr);
  label(pB1, P(-2,2), "$B'$", tl);
  label(pB2, P(-2,-2), "$B''$", bl);
  label(pB3, P(2,-2), "$B'''$", br);

  label(pC, P(-2,-2), "$C$", bl);
  label(pC2, P(-2,2), "$C'$", tl);

  label(pD, P(2,-2), "$D$", br);
  label(pD2, P(2,-2), "$D'$", br);

  label(pE, P(2,-2), "$E$", br);

  label(O, P(10, 6), "$O$", r);

  tikz_format();
  end();
}