Function sqrt

samples/common/half.h:3167–3170

Square root. \param arg function argument \return square root of \a arg template typename enable ::type sqrt(T arg) { return functions::sqrt(arg); }

/// \return square root of \a arg
//		template<typename T> typename enable<expr,T>::type sqrt(T arg) { return functions::sqrt(arg); }
inline expr sqrt(half arg)
{
    return functions::sqrt(arg);
}
inline expr sqrt(expr arg)
{
    return functions::sqrt(arg);