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Diffstat (limited to 'runtime/neurun/core/include/util/Coordinates.h')
-rw-r--r-- | runtime/neurun/core/include/util/Coordinates.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/runtime/neurun/core/include/util/Coordinates.h b/runtime/neurun/core/include/util/Coordinates.h new file mode 100644 index 000000000..67947138f --- /dev/null +++ b/runtime/neurun/core/include/util/Coordinates.h @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __NEURUN_UTIL_COORDINATES_H__ +#define __NEURUN_UTIL_COORDINATES_H__ + +#include <cassert> +#include <stdint.h> +#include <vector> + +namespace neurun +{ +namespace util +{ + +/** + * @brief Class to represent position(offset) of tensor.\n + * Assume that the front is higher dimensional. + * i.g. N: 0, C: 1, H: 2, W: 3 for NCHW layout + */ +class Coordinates final +{ +public: + static constexpr size_t num_max_dimensions = 4; + +public: + /** + * @brief Construct a new Coordinates object + * @param[in] init The initialzer_list with coordinates + * @return + */ + Coordinates(std::initializer_list<int32_t> init) : _coordinates{init} + { + assert(init.size() <= num_max_dimensions); + } + +public: + /** + * @brief Set the coordinate of one of the coordinates. + * + * @param[in] dimension Dimension for which the coordinate is set. + * @param[in] Coordinate Coordinate to be set for the dimension. + */ + void set(size_t dimension, int32_t coordinate) + { + assert(dimension < num_max_dimensions); + if (dimension >= _coordinates.size()) + { + _coordinates.resize(dimension + 1, 0); + } + _coordinates[dimension] = coordinate; + } + +public: + /** + * @brief Return size of coordinates + * + * @return size of coordinates + */ + size_t size() const { return _coordinates.size(); } + +public: + int32_t operator[](size_t dimension) const + { + assert(dimension < _coordinates.size()); + return _coordinates[dimension]; + } + +public: + /** + * @brief begin() of const_iterator for this class + * + * @return The first iterator of the coordinates + */ + std::vector<int32_t>::const_iterator begin() const { return _coordinates.begin(); } + /** + * @brief end() of const_iterator for this class + * + * @return The last iterator of the coordinates + */ + std::vector<int32_t>::const_iterator end() const { return _coordinates.end(); } + +private: + std::vector<int32_t> _coordinates; +}; + +} // namespace util +} // namespace neurun + +#endif // __NEURUN_UTIL_COORDINATES_H__ |