//
// Copyright (c) 2009 Froduald Kabanza and the Université de Sherbrooke.
// Use of this software is permitted for non-commercial research purposes, and
// it may be copied or applied only for that use. All copies must include this
// copyright message.
// 
// This is a research prototype that has not gone through intensive tests and
// is delivered as is. It may still contain bugs. Froduald Kabanza and the
// Université de Sherbrooke disclaim any responsibility for damage that may be
// caused by using it.
//
// Please note that some files were inspired in part by the PDDL4J library:
// http://www.math-info.univ-paris5.fr/~pellier/software/software.php 
//
// Implementation: Simon Chamberland
// Project Manager: Froduald Kabanza
//

#ifndef _NUMERIC_COMP_EXP_H
#define _NUMERIC_COMP_EXP_H

#include "ComparisonExp.h"
#include "../INumericExp.h"

#include <functional>

namespace planning
{
  /// <summary>
  /// This class represents a comparison between two numeric expressions.
  /// </summary>
  template <class Comparator>
  class NumericCompExp : public ComparisonExp<INumericExp, Comparator>
  {
  public:
    /// <summary>
    /// Creates a new numeric comparison expression with the two arguments.
    /// </summary>
    /// <param name="op">A string representation of this operator.</param>
    /// <param name="arg1">The first argument.</param>
    /// <param name="arg2">The second argument.</param>
    NumericCompExp(const std::string& op, const INumericExp* arg1, const INumericExp* arg2)
      : ComparisonExp<INumericExp, Comparator>(op, arg1, arg2)
    {
    }
  };
}

#endif
