mp_units::tensor_order

Synopsis

Declared in <mp-units/framework/customization_points.h>

template<typename T>
requires (!detail::has_ambiguous_order<T>)
constexpr std::size_t tensor_order = detail::has_matrix_indexing<T>   ? std::size_t{2}
                                        : detail::has_vector_indexing<T> ? std::size_t{1}
                                                                         : std::size_t{0};