#ifndef LOp9uF4R8c3Nq3YZQrpOlN8rCLE
#define LOp9uF4R8c3Nq3YZQrpOlN8rCLE

#include <inttypes.h>
#include <boost/static_assert.hpp>
#include <string>

#include "mempool.hpp"

using std::string;

template<typename T, long long width = 8 * sizeof(T)>
struct Scalar {
  explicit Scalar(const string name);

  inline T & operator() () const;
  inline T get() const;
  inline void set(const T value) const;
  void sync() const;
  
  // associated memory container
  MemPool mem;

  BOOST_STATIC_ASSERT((width > 0));

private:
  //  Scalar();
};

// Implementation
template<typename T, long long width>
Scalar<T, width>::Scalar(const string name) : mem((width + 7) / 8, name) {
}

template<typename T, long long width>
inline T & Scalar<T, width>::operator() () const {
  return *((T*) mem());
}


template<typename T, long long width>
inline T Scalar<T, width>::get() const {
  return (*this)();
}

template<typename T, long long width>
inline void Scalar<T, width>::set(const T value) const {
  // only a single value is in a scalar so we do not require bit-level
  // access
  (*this)() = value;
}

template<typename T, long long width>
void Scalar<T, width>::sync() const {
  mem.sync();
}

#endif // LOp9uF4R8c3Nq3YZQrpOlN8rCLE