/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2008 INRIA

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation;

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * Authors: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

 */

#ifndef NS_DOUBLE_H

#define NS_DOUBLE_H

#include "attribute.h"

#include "attribute-helper.h"

#include <stdint.h>

namespace ns3 {

/**

 * \brief Hold an floating point type

 *

 * This class can be used to hold variables of floating point type

 * such as 'double' or 'float'. The internal format is 'double'.

 */

class Double

{

public:

  Double ();

  Double (double value);

  void Set (double value);

  double Get (void) const;

  operator double () const;

  ATTRIBUTE_CONVERTER_DEFINE (Double);

private:

  double m_value;

};

std::ostream & operator << (std::ostream &os, const Double &value);

std::istream & operator >> (std::istream &is, Double &value);

ATTRIBUTE_VALUE_DEFINE (Double);

ATTRIBUTE_ACCESSOR_DEFINE (Double);

template <typename T>

Ptr<const AttributeChecker> MakeDoubleChecker (void);

template <typename T>

Ptr<const AttributeChecker> MakeDoubleChecker (double min);

template <typename T>

Ptr<const AttributeChecker> MakeDoubleChecker (double min, double max);

} // namespace ns3

#include "type-name.h"

namespace ns3 {

namespace internal {

Ptr<const AttributeChecker> MakeDoubleChecker (double min, double max, std::string name);

} // namespace internal

template <typename T>

Ptr<const AttributeChecker> MakeDoubleChecker (void)

{

  return internal::MakeDoubleChecker (-std::numeric_limits<T>::max (),

                                      std::numeric_limits<T>::max (),

                                      TypeNameGet<T> ());

}

template <typename T>

Ptr<const AttributeChecker> MakeDoubleChecker (double min)

{

  return internal::MakeDoubleChecker (min,

                                      std::numeric_limits<T>::max (),

                                      TypeNameGet<T> ());

}

template <typename T>

Ptr<const AttributeChecker> MakeDoubleChecker (double min, double max)

{

  return internal::MakeDoubleChecker (min,

                                      max,

                                      TypeNameGet<T> ());

}

} // namespace ns3

#endif /* NS_DOUBLE_H */