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Diffstat (limited to 'libs/util/include/util/tensor/Object.h')
-rw-r--r-- | libs/util/include/util/tensor/Object.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/libs/util/include/util/tensor/Object.h b/libs/util/include/util/tensor/Object.h new file mode 100644 index 000000000..839bce236 --- /dev/null +++ b/libs/util/include/util/tensor/Object.h @@ -0,0 +1,77 @@ +/* + * 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_OBJECT_H__ +#define __NNFW_UTIL_TENSOR_OBJECT_H__ + +#include "util/tensor/Shape.h" +#include "util/tensor/Index.h" +#include "util/tensor/IndexIterator.h" +#include "util/tensor/NonIncreasingStride.h" +#include "util/tensor/Reader.h" + +#include <vector> + +namespace nnfw +{ +namespace util +{ +namespace tensor +{ + +template<typename T> class Object final : public Reader<T> +{ +public: + using Generator = std::function<T (const Shape &shape, const Index &index)>; + +public: + Object(const Shape &shape, const Generator &fn) : _shape{shape} + { + // Set 'stride' + _stride.init(shape); + + // Pre-allocate buffer + _values.resize(_shape.dim(0) * _stride.at(0)); + + // Set 'value' + iterate(_shape) << [this, &fn] (const Index &index) + { + _values.at(_stride.offset(index)) = fn(_shape, index); + }; + } + +public: + const Shape &shape(void) const { return _shape; } + +public: + T at(const Index &index) const override + { + return _values.at(_stride.offset(index)); + } + +private: + Shape _shape; + NonIncreasingStride _stride; + +private: + std::vector<T> _values; +}; + +} // namespace tensor +} // namespace util +} // namespace nnfw + +#endif // __NNFW_UTIL_FEATURE_OBJECT_H__ |