36    using FnT = sycl::event (*)(sycl::queue &,
 
   44                                const std::vector<sycl::event> &);
 
   50    std::tuple<sycl::event, sycl::event>
 
   51        call(
const dpctl::tensor::usm_ndarray &a,
 
   52             const dpctl::tensor::usm_ndarray &v,
 
   53             dpctl::tensor::usm_ndarray &output,
 
   56             const std::vector<sycl::event> &depends);