xref: /aosp_15_r20/external/ComputeLibrary/src/core/helpers/NormalizationHelpers.h (revision c217d954acce2dbc11938adb493fc0abd69584f3)
1 /*
2 * Copyright (c) 2020 Arm Limited.
3  *
4  * SPDX-License-Identifier: MIT
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to
8  * deal in the Software without restriction, including without limitation the
9  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10  * sell copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in all
14  * copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  */
24 #ifndef SRC_CORE_HELPERS_NORMALIZATIONHELPERS_H
25 #define SRC_CORE_HELPERS_NORMALIZATIONHELPERS_H
26 
27 #include "arm_compute/core/Helpers.h"
28 #include "arm_compute/core/Types.h"
29 
30 namespace arm_compute
31 {
32 /** Calculate the normalization dimension index for a given normalization type
33  *
34  * @param[in] layout Data layout of the input and output tensor
35  * @param[in] info   Normalization info
36  *
37  * @return Normalization dimension index
38  */
get_normalization_dimension_index(DataLayout layout,const NormalizationLayerInfo & info)39 inline unsigned int get_normalization_dimension_index(DataLayout layout, const NormalizationLayerInfo &info)
40 {
41     const unsigned int width_idx   = get_data_layout_dimension_index(layout, DataLayoutDimension::WIDTH);
42     const unsigned int channel_idx = get_data_layout_dimension_index(layout, DataLayoutDimension::CHANNEL);
43 
44     return info.is_in_map() ? width_idx : channel_idx;
45 }
46 } // namespace arm_compute
47 #endif /* SRC_CORE_HELPERS_NORMALIZATIONHELPERS_H */
48