VonMises.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2006 by Russell Edwards
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/MEAL/MEAL/VonMises.h
 
#ifndef __VonMises_H
#define __VonMises_H
 
#include "MEAL/ProductRule.h"
#include "MEAL/ScalarParameter.h"
#include "MEAL/ScalarArgument.h"
#include "MEAL/ScalarMath.h"
 
namespace MEAL
{

  class VonMises : public Univariate<Scalar> 
  {
  public:

    VonMises ();

    VonMises (const VonMises& copy);

    VonMises& operator = (const VonMises& copy);

    ~VonMises ();

    VonMises* clone () const { return new VonMises(*this); }

    void set_centre (double centre);

    double get_centre () const;

    void set_concentration (double concentration);

    double get_concentration () const;
 
    // ///////////////////////////////////////////////////////////////////
    //
    // Function implementation
    //
    // ///////////////////////////////////////////////////////////////////

    std::string get_name() const;

    void parse (const std::string& text);
  
  protected:
 
    void calculate (double&, std::vector<double>*) {}
    void init ();
 
    Reference::To<Scalar> expression;
 
    ScalarParameter centre;
    ScalarParameter concentration;
 
  };
 
}
 
#endif