2 * Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
3 * Copyright 2018 The TensorFlow Authors. All Rights Reserved.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #ifndef __NNFW_CKER_RANGE_H__
19 #define __NNFW_CKER_RANGE_H__
21 #include "cker/Shape.h"
30 template <typename T> inline int GetSize(T start, T limit, T delta)
32 if (!((start > limit && delta < 0) || (start < limit && delta > 0)))
34 throw std::runtime_error("Range: invalid input values");
37 int size = (std::is_integral<T>::value
38 ? ((std::abs(limit - start) + std::abs(delta) - 1) / std::abs(delta))
39 : std::ceil(std::abs((limit - start) / delta)));
44 inline void Range(const T *start_data, const T *limit_data, const T *delta_data, T *output_data)
46 const T start_value = *start_data;
47 const T delta_value = *delta_data;
48 const T limit_value = *limit_data;
50 const int num_elements = GetSize<T>(start_value, limit_value, delta_value);
51 T value = start_value;
53 for (int i = 0; i < num_elements; ++i)
55 output_data[i] = value;
63 #endif // __NNFW_CKER_RANGE_H__