fast_length

Returns the length of vector p computed as: sqrt((half)(pow(p.x,2) + pow(p.y,2)+ ...)).

template <typename F, typename return_t, detail::enable_if_t<(computecpp::gsl::or_<detail::builtin::is_gengeohalf<F>::value, detail::builtin::is_gengeofloat<F>::value>::value), int> >
return_t fast_length(F p)

1. Returns the length of vector p computed as: `sqrt((half)(pow(p.x,2) + pow(p.y,2)+ ...))`.
   Parameters:
   • F p