Function erf

samples/common/half.h:3430–3433

Error function. \param arg function argument \return error function value of \a arg template typename enable ::type erf(T arg) { return functions::erf(arg); }

/// \return error function value of \a arg
//		template<typename T> typename enable<expr,T>::type erf(T arg) { return functions::erf(arg); }
inline expr erf(half arg)
{
    return functions::erf(arg);
}
inline expr erf(expr arg)
{
    return functions::erf(arg);