Method ptr

src/core/include/megbrain/tensor.h:383–396

    //! get ptr at given index
    template <typename T, typename Iter>
    T* ptr(Iter idx_begin, Iter idx_end) {
        auto ptr = this->template ptr<T>();
        size_t nidx = 0;
        while (idx_begin != idx_end) {
            mgb_assert(nidx < m_layout.ndim);
            size_t idx = *idx_begin;
            mgb_assert(idx < m_layout.shape[nidx]);
            ptr += m_layout.stride[nidx] * idx;

            ++idx_begin;
            ++nidx;
        }
        return ptr;
    }

    template <typename T>
    T* ptr(std::initializer_list<size_t> idx) {