| 9 | |
| 10 | template <typename T> |
| 11 | class range_array |
| 12 | { |
| 13 | public: |
| 14 | range_array(T arr, int64_t start, int64_t stop) |
| 15 | : arr_(std::move(arr)) |
| 16 | , start_(start) |
| 17 | , stop_(stop) |
| 18 | { |
| 19 | } |
| 20 | |
| 21 | auto dtype() const noexcept |
| 22 | { |
| 23 | return arr_.dtype(); |
| 24 | } |
| 25 | |
| 26 | icm::shape shape() const noexcept |
| 27 | { |
| 28 | auto sh = arr_.shape(); |
| 29 | icm::small_vector<int64_t> r(sh.begin(), sh.end()); |
| 30 | r[0] = stop_ - start_; |
| 31 | return icm::shape(std::move(r)); |
| 32 | } |
| 33 | |
| 34 | auto begin() const |
| 35 | { |
| 36 | auto it = arr_.begin(); |
| 37 | it += start_; |
| 38 | return it; |
| 39 | } |
| 40 | |
| 41 | auto end() const |
| 42 | { |
| 43 | auto it = arr_.begin(); |
| 44 | it += stop_; |
| 45 | return it; |
| 46 | } |
| 47 | |
| 48 | auto get(int64_t index) const |
| 49 | { |
| 50 | return arr_[start_ + index]; |
| 51 | } |
| 52 | |
| 53 | constexpr bool is_dynamic() const noexcept |
| 54 | { |
| 55 | return arr_.is_dynamic(); |
| 56 | } |
| 57 | |
| 58 | uint8_t dimensions() const noexcept |
| 59 | { |
| 60 | return arr_.dimensions(); |
| 61 | } |
| 62 | |
| 63 | auto& holder_array() const noexcept |
| 64 | { |
| 65 | return arr_; |
| 66 | } |
| 67 | |
| 68 | int64_t start() const noexcept |