1 /*
2 * Copyright (c) 2017-2020 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 #include "AbsoluteDifference.h"
25
26 #include "arm_compute/core/Types.h"
27 #include "tests/validation/Helpers.h"
28
29 namespace arm_compute
30 {
31 namespace test
32 {
33 namespace validation
34 {
35 namespace reference
36 {
37 template <typename T>
absolute_difference(const SimpleTensor<T> & src1,const SimpleTensor<T> & src2,DataType dst_data_type)38 SimpleTensor<T> absolute_difference(const SimpleTensor<T> &src1, const SimpleTensor<T> &src2, DataType dst_data_type)
39 {
40 SimpleTensor<T> result(src1.shape(), dst_data_type);
41
42 using intermediate_type = typename common_promoted_signed_type<T>::intermediate_type;
43 #if defined(_OPENMP)
44 #pragma omp parallel for
45 #endif /* _OPENMP */
46 for(int i = 0; i < src1.num_elements(); ++i)
47 {
48 intermediate_type val = std::abs(static_cast<intermediate_type>(src1[i]) - static_cast<intermediate_type>(src2[i]));
49 result[i] = saturate_cast<T>(val);
50 }
51
52 return result;
53 }
54
55 template SimpleTensor<uint8_t> absolute_difference(const SimpleTensor<uint8_t> &src1, const SimpleTensor<uint8_t> &src2, DataType dst_data_type);
56 template SimpleTensor<int16_t> absolute_difference(const SimpleTensor<int16_t> &src1, const SimpleTensor<int16_t> &src2, DataType dst_data_type);
57 template SimpleTensor<int8_t> absolute_difference(const SimpleTensor<int8_t> &src1, const SimpleTensor<int8_t> &src2, DataType dst_data_type);
58 } // namespace reference
59 } // namespace validation
60 } // namespace test
61 } // namespace arm_compute
62