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Diffstat (limited to 'runtime/libs/misc/include/misc/kernel/IndexIterator.h')
-rw-r--r-- | runtime/libs/misc/include/misc/kernel/IndexIterator.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/runtime/libs/misc/include/misc/kernel/IndexIterator.h b/runtime/libs/misc/include/misc/kernel/IndexIterator.h new file mode 100644 index 000000000..59e0f0095 --- /dev/null +++ b/runtime/libs/misc/include/misc/kernel/IndexIterator.h @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2018 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. + */ + +/** + * @file IndexIterator.h + * @brief This file contains IndexIterator class + * @ingroup COM_AI_RUNTIME + */ + +#ifndef __NNFW_MISC_KERNEL_INDEX_ITERATOR_H__ +#define __NNFW_MISC_KERNEL_INDEX_ITERATOR_H__ + +#include "misc/kernel/Shape.h" + +namespace nnfw +{ +namespace misc +{ +namespace kernel +{ + +/** + * @brief Class to iterate Callable with Index of kernel + */ +class IndexIterator +{ +public: + /** + * @brief Construct IndexIterator object with Shape of kernel + * @param[in] shape Shape reference of feature + */ + IndexIterator(const Shape &shape) : _shape{shape} + { + // DO NOTHING + } + +public: + /** + * @brief Call a function iterated + * @param[in] cb A callback function + * @return Current IndexIterator object + */ + template <typename Callable> IndexIterator &iter(Callable cb) + { + for (int32_t nth = 0; nth < _shape.N; ++nth) + { + for (int32_t ch = 0; ch < _shape.C; ++ch) + { + for (int32_t row = 0; row < _shape.H; ++row) + { + for (int32_t col = 0; col < _shape.W; ++col) + { + cb(nth, ch, row, col); + } + } + } + } + + return (*this); + } + +private: + const Shape _shape; /**< Shape for kernel */ +}; + +/** + * @brief Create an object of IndexIterator for kernel + * @param[in] shape reference of feature + * @return Created IndexIterator object + */ +inline IndexIterator iterate(const Shape &shape) { return IndexIterator{shape}; } + +/** + * @brief Call a function iterated using IndexIterator of kernel + * Overloaded operator<< + * @param[in] it An IndexIterator reference + * @param[in] cb A callback function + * @return Created IndexIterator object + */ +template <typename Callable> IndexIterator &operator<<(IndexIterator &&it, Callable cb) +{ + return it.iter(cb); +} + +} // namespace kernel +} // namespace misc +} // namespace nnfw + +#endif // __NNFW_MISC_FEATURE_INDEX_ITERATOR_H__ |