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Diffstat (limited to 'include/util/tensor/Zipper.h')
-rw-r--r-- | include/util/tensor/Zipper.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/include/util/tensor/Zipper.h b/include/util/tensor/Zipper.h new file mode 100644 index 000000000..5d40736f3 --- /dev/null +++ b/include/util/tensor/Zipper.h @@ -0,0 +1,69 @@ +/* + * 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. + */ + +#ifndef __NNFW_UTIL_TENSOR_ZIPPER_H__ +#define __NNFW_UTIL_TENSOR_ZIPPER_H__ + +#include "util/tensor/Index.h" +#include "util/tensor/IndexIterator.h" +#include "util/tensor/Reader.h" + +namespace nnfw +{ +namespace util +{ +namespace tensor +{ + +template <typename T> class Zipper +{ +public: + Zipper(const Shape &shape, const Reader<T> &lhs, const Reader<T> &rhs) + : _shape{shape}, _lhs{lhs}, _rhs{rhs} + { + // DO NOTHING + } + +public: + template <typename Callable> void zip(Callable cb) const + { + iterate(_shape) << + [this, &cb](const Index &index) { cb(index, _lhs.at(index), _rhs.at(index)); }; + } + +private: + const Shape &_shape; + const Reader<T> &_lhs; + const Reader<T> &_rhs; +}; + +template <typename T, typename Callable> +const Zipper<T> &operator<<(const Zipper<T> &zipper, Callable cb) +{ + zipper.zip(cb); + return zipper; +} + +template <typename T> Zipper<T> zip(const Shape &shape, const Reader<T> &lhs, const Reader<T> &rhs) +{ + return Zipper<T>{shape, lhs, rhs}; +} + +} // namespace tensor +} // namespace util +} // namespace nnfw + +#endif // __NNFW_UTIL_TENSOR_ZIPPER_H__ |