#ifndef __JOSCPROB__JBASELINECOMPUTERINTERFACE__
#define __JOSCPROB__JBASELINECOMPUTERINTERFACE__


/**
 * \author bjung, mdejong
 */

namespace JOSCPROB {}
namespace JPP { using namespace JOSCPROB; }

namespace JOSCPROB {

  /**
   * Low-level interface for oscillation baseline calculators.
   */
  struct JBaselineComputerInterface
  {
    /**
     * Default constructor.
     */
    JBaselineComputerInterface()
    {}


    /**
     * Virtual destructor.
     */
    ~JBaselineComputerInterface()
    {}

    
    /**
     * Get cosine zenith angle for a given baseline.
     *
     * \param  L              baseline [km]
     * \return                cosine zenith angle
     */
    virtual double getCosth(const double L) const = 0;

    
    /**
     * Get baseline for a given cosine zenith angle.
     *
     * \param  costh           cosine zenith angle
     * \return                 baseline [km]
     */
    virtual double getBaseline(const double costh) const = 0;
  };
}

#endif