BinaryScalar.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2004 by Willem van Straten
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
// psrchive/More/MEAL/MEAL/BinaryScalar.h
 
#ifndef __MEAL_BinaryScalar_H
#define __MEAL_BinaryScalar_H
 
#include "MEAL/BinaryRule.h"
#include "MEAL/Scalar.h"
 
namespace MEAL {
 
 
  class BinaryScalar : public BinaryRule<Scalar>
  {
 
  public:
 
    virtual double function (double arg1, double arg2) const = 0;
 
    virtual double partial_arg1 (double arg1, double arg2) const = 0;
 
    virtual double partial_arg2 (double arg1, double arg2) const = 0;
 
  protected:
 
    void calculate (double& result, std::vector<double>* gradient);
 
  };
 
}
 
#endif