GKG.h

//---------------------------------------------------------------------------
//
// $Id: GKG.h,v 1.1 2003/02/23 00:12:11 hughes Exp $
//
//---------------------------------------------------------------------------
//
// Generic Kerr geodesic functions.  This is basically just a container
// class.
//
// Scott Hughes, 6 January 1999.
//
#ifndef _GKG_H
#define _GKG_H

#include "Globals.h"


class GKG {
public:
  //
  // Sigma^2 * rdot^2 && its second derivative.
  //
  Real RFunc(const Real r, const Real a, const Real z,
       const Real E, const Real Lz, const Real Q);
  Real dr_RFunc(const Real r, const Real a, const Real z,
    const Real E, const Real Lz, const Real Q);
  Real ddr_RFunc(const Real r, const Real a, const Real z,
     const Real E, const Real Lz, const Real Q);
  //
  // Sigma^2 * thdot^2
  //
  Real ThetaFunc(const Real r, const Real a, const Real z,
     const Real E, const Real Lz, const Real Q);
  //
  // Sigma phdot
  //
  Real PhiFunc(const Real r, const Real a, const Real z,
         const Real E, const Real Lz, const Real Q);
  //
  // Sigma tdot
  //
  Real TFunc(const Real r, const Real a, const Real z,
       const Real E, const Real Lz, const Real Q);
};

#endif