CPPAD_INLINE_FRIEND_TEMPLATE_FUNCTION
AD<Base> Var2Par(const VecAD_reference<Base> &x)
{	AD<Base> y(x.ADBase()); 
	y.id_ = 0;
}

inline AD<Base> sign(const VecAD_reference<Base> &x)
{	return sign( x.ADBase() ); }

	inline AD<Base> erf(const VecAD_reference<Base> &x)
	{	return erf( x.ADBase() ); }

 inline AD<Base> log10(const VecAD_reference<Base> &x)
 {    return CppAD::log(x.ADBase()) / CppAD::log( Base(10) ); }

inline AD<Base>& AD<Base>::operator=(const VecAD_reference<Base> &x)
{	return *this = x.ADBase(); }

CPPAD_INLINE_FRIEND_TEMPLATE_FUNCTION
bool NearEqual(const Base &x, const VecAD_reference<Base> &y,
	const Base &r, const Base &a)
{	return NearEqual(x, y.ADBase(), r, a);
}

inline AD<Base> abs(const VecAD_reference<Base> &x)
{	return abs( x.ADBase() ); }

inline AD<Base> operator + (const VecAD_reference<Base> &right) 
{	return right.ADBase(); }

inline AD<double>
pow(const VecAD_reference<double> &x, const double &y)
{	return pow(x.ADBase(), AD<double>(y)); }

 CPPAD_INLINE_FRIEND_TEMPLATE_FUNCTION
 int Integer(const VecAD_reference<Base> &x)
 {   return Integer( x.ADBase() ); }

inline AD<Base> log1p(const VecAD_reference<Base> &x)
{	return log1p_template( x.ADBase() ); }

inline AD<Base> atan2 
(const VecAD_reference<Base> &y, const VecAD_reference<Base> &x)
{	return atan2( y.ADBase() , x.ADBase() ); }

template <class Base> AD<Base>
azmul(const Base& x, const VecAD_reference<Base>& y)
{	return azmul(AD<Base>(x), y.ADBase()); }

inline AD<Base>::AD(const VecAD_reference<Base> &x)
{	*this = x.ADBase(); }

AD<Base> expm1(const VecAD_reference<Base> &x)
{   return expm1_template( x.ADBase() ); }

inline AD<Base> atanh(const VecAD_reference<Base> &x)
{	return atanh_template( x.ADBase() ); }