NoParameters.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2004 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/MEAL/MEAL/NoParameters.h
 
#ifndef __MEAL_NoParameters_H
#define __MEAL_NoParameters_H
 
#include "MEAL/ParameterPolicy.h"
 
namespace MEAL {

  class NoParameters : public ParameterPolicy {
 
  public:

    NoParameters () : ParameterPolicy (0) { }

    NoParameters* clone (Function*) const { return new NoParameters; }
 
    // ///////////////////////////////////////////////////////////////////
    //
    // ParameterPolicy implementation
    //
    // ///////////////////////////////////////////////////////////////////
 
    unsigned get_nparam () const { return 0; }

    std::string get_name (unsigned index) const { return ""; }

    std::string get_description (unsigned index) const { return ""; }

    double get_param (unsigned index) const { return 0.0; }

    void set_param (unsigned index, double value) { }

    double get_variance (unsigned index) const { return 0; }
    
    void set_variance (unsigned index, double value) { }

    bool get_infit (unsigned index) const { return false; }

    void set_infit (unsigned index, bool flag) { }
 
  };
 
}
 
#endif