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

const P LdY(0, 4);
const P LdX(4, 0);

std::string sfmt(const std::string& msg)
{
#ifdef SANSSERIF
  return "$\\mathsf{"+msg+"}$";
#else
  return "$"+msg+"$";
#endif
}

double th1(M_PI/3), th2(M_PI/7), rad1(Csc(th1)), rad2(Csc(th2));
P ptA(-1,0), ptB(1,0), ctr1(0,-Cot(th1)), ctr2(0,-Cot(th2));

int main()
{
  picture(P(-1,0), P(1, 0.5), "2 x 0.5in");

  begin();

  line(ptA, ptB);
  arc(ctr1, rad1, M_PI_2 - th1, M_PI_2 + th1);
  arc(ctr2, rad2, M_PI_2 - th2, M_PI_2 + th2);

  label(ptA, -LdY, sfmt("A"), b);
  label(ptB, -LdY, sfmt("B"), b);

  label(ctr1 + P(0,rad1),  LdY, sfmt("C"), t);
  label(ctr2 + P(0,rad2), -LdY, sfmt("D"), b);

  tikz_format();
  end();
}