friend std::ostream& operator<< (std::ostream &o, const double_uint &x)
{
return o << std::string(x);
}
double_uint& operator= (int x)
{
lo_ = x;
hi_ = T();
return *this;
}
double_uint& operator=(const double_uint &u)
{
lo_ = u.lo_;
hi_ = u.hi_;
return *this;
}
operator T() const {return lo_;}
operator T() {return lo_;}
operator const std::string() const {return tostring();}
operator std::string() {return tostring();
}
double_uint operator+= (const double_uint &u)
{
T old = lo_;
lo_ += u.lo_;
if (lo_ < old) hi_++;
hi_ += u.hi_;
return *this;
}
double_uint operator-= (const double_uint &u)
{
T old = lo_;
lo_ -= u.lo_;
if (lo_ > old) hi_--;
hi_ -= u.lo_;
return *this;
}
double_uint operator+ (const double_uint &u) const
{
double_uint res(*this);
return res += u;
}
double_uint operator- (const double_uint &u) const
{
double_uint res(*this);
return res -= u;
}
double_uint operator++ (void)
{
return *this += double_uint(1);
}
double_uint operator++ (int)
{
double_uint res(*this);
*this += double_uint(0, 1);
return res;
}
double_uint operator- (void)
{
return double_uint(0) - *this;
}
double_uint operator+ (void) const
{
return *this;
}
double_uint operator<<= (int x)
{
x &= (tsize - 1);
if (x >= hsize)
{
hi_ = lo_ << (x - hsize);
lo_ = 0;
return *this;
}
hi_ <<= x;
hi_ += lo_ >> (hsize - x);
lo_ <<= x;
return *this;
}
double_uint operator>>= (int x)
{
x &= (tsize - 1);
if (x >= hsize)
{
lo_ = hi_ >> (x - hsize);
hi_ = 0;
return *this;
}
lo_ >>= x;
lo_ += hi_ << (hsize - x);
hi_ >>= x;
return *this;
}
double_uint operator<< (int x) const
{
double_uint res(*this);
return res <<= x;
}
double_uint operator>> (int x) const
{
double_uint res(*this);
return res >>= x;
}