1 /*
2 * Copyright (c) 2018-2020 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 "ElementwiseUnary.h"
25
26 namespace arm_compute
27 {
28 namespace test
29 {
30 namespace validation
31 {
32 namespace reference
33 {
34 template <typename T>
elementwise_unary(const SimpleTensor<T> & src,ElementWiseUnary op)35 SimpleTensor<T> elementwise_unary(const SimpleTensor<T> &src, ElementWiseUnary op)
36 {
37 SimpleTensor<T> dst(src.shape(), src.data_type());
38
39 for(int i = 0; i < src.num_elements(); ++i)
40 {
41 switch(op)
42 {
43 case ElementWiseUnary::RSQRT:
44 dst[i] = 1.f / std::sqrt(src[i]);
45 break;
46 case ElementWiseUnary::EXP:
47 dst[i] = std::exp(src[i]);
48 break;
49 case ElementWiseUnary::NEG:
50 dst[i] = -src[i];
51 break;
52 case ElementWiseUnary::LOG:
53 dst[i] = std::log(src[i]);
54 break;
55 case ElementWiseUnary::ABS:
56 dst[i] = std::abs(src[i]);
57 break;
58 case ElementWiseUnary::SIN:
59 dst[i] = std::sin(src[i]);
60 break;
61 case ElementWiseUnary::ROUND:
62 dst[i] = arm_compute::support::cpp11::nearbyint(src[i]);
63 break;
64 default:
65 ARM_COMPUTE_ERROR("Not implemented");
66 }
67 }
68
69 return dst;
70 }
71
72 template SimpleTensor<float> elementwise_unary(const SimpleTensor<float> &src, ElementWiseUnary op);
73 template SimpleTensor<half> elementwise_unary(const SimpleTensor<half> &src, ElementWiseUnary op);
74 template SimpleTensor<int32_t> elementwise_unary(const SimpleTensor<int32_t> &src, ElementWiseUnary op);
75 } // namespace reference
76 } // namespace validation
77 } // namespace test
78 } // namespace arm_compute
79