#ifndef FP_VALUE_H

#define FP_VALUE_H

#include "attribute.h"

#include "attribute-helper.h"

#include <stdint.h>

namespace ns3 {

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);

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

} // namespace ns3

namespace ns3 {

template <typename T>

Ptr<const AttributeChecker> MakeDoubleChecker (void)

{

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

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

}

template <typename T>

Ptr<const AttributeChecker> MakeDoubleChecker (double min)

{

  return MakeDoubleChecker (min,

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

}

} // namespace ns3

#endif /* FP_VALUE_H */