PowerLaw.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2006 by Aidan Hotan
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/MEAL/MEAL/PowerLaw.h
 
#ifndef __PowerLaw_H
#define __PowerLaw_H
 
#include "MEAL/Univariate.h"
#include "MEAL/Scalar.h"
#include "MEAL/Parameters.h"
 
namespace MEAL {
 
  class PowerLaw : public Univariate<Scalar> {
 
  public:
 
    PowerLaw ();
 
    void set_scale (double scale);
 
    double get_scale () const;
 
    void set_offset (double offset);
 
    double get_offset () const;
 
    void set_power (double power);
 
    double get_power () const;
 
    // ///////////////////////////////////////////////////////////////////
    //
    // Function implementation
    //
    // ///////////////////////////////////////////////////////////////////
 
    std::string get_name () const;
 
  protected:
 
    void calculate (double& x, std::vector<double>* grad=0);
 
  private:
 
    Parameters parameters;
 
  };
 
}
 
#endif