// pow
inline value_type pow_impl(value_type const& arg1, value_type const& arg2)
{
return std::pow(arg1.to_double(), arg2.to_double());
}
value_type operator() (value_type const& val) const
{
return std::fabs(val.to_double());
}
// max
inline value_type max_impl(value_type const& arg1, value_type const& arg2)
{
return std::max(arg1.to_double(), arg2.to_double());
}
