Var_operators.h

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// -*- C++ -*-

// PLearn (A C++ Machine Learning Library)
// Copyright (C) 1998 Pascal Vincent
// Copyright (C) 1999-2002 Pascal Vincent, Yoshua Bengio, Rejean Ducharme and University of Montreal
// Copyright (C) 2001-2002 Nicolas Chapados, Ichiro Takeuchi, Jean-Sebastien Senecal
// Copyright (C) 2002 Xiangdong Wang, Christian Dorion

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/* *******************************************************      
   * $Id: Var_operators.h,v 1.2 2004/02/20 21:11:54 chrish42 Exp $
   * This file is part of the PLearn library.
   ******************************************************* */

#ifndef Var_operators_INC
#define Var_operators_INC

#include "Var.h"

namespace PLearn {
using namespace std;

Var operator+(Var v, real cte);
Var operator+(real cte, Var v);
Var operator+(Var v1, Var v2);
void operator+=(Var& v1, const Var& v2);


Var operator-(Var v);
Var operator-(Var v, real cte);
Var operator-(real cte, Var v);
Var operator-(Var v1, Var v2);
void operator-=(Var& v1, const Var& v2);

// elementwise multiplications
Var operator*(Var v, real cte);
Var operator*(real cte, Var v);
Var operator*(Var v1, Var v2);

// elementwise divisions
Var operator/(Var v, real cte);
Var operator/(real cte, Var v);
Var operator/(Var v1, Var v2);

Var operator==(Var v1, Var v2);
Var operator!=(Var v1, Var v2);
Var isdifferent(Var v1, Var v2);

} // end of namespace PLearn

#endif 

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