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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 #ifndef ARM_COMPUTE_NEDEQUANTIZATIONLAYERKERNEL_H
25 #define ARM_COMPUTE_NEDEQUANTIZATIONLAYERKERNEL_H
26 
27 #include "src/core/NEON/INEKernel.h"
28 
29 namespace arm_compute
30 {
31 class ITensor;
32 
33 /** Interface for the dequantization layer kernel. */
34 class NEDequantizationLayerKernel : public INEKernel
35 {
36 public:
name()37     const char *name() const override
38     {
39         return "NEDequantizationLayerKernel";
40     }
41     /** Default constructor */
42     NEDequantizationLayerKernel();
43     /** Prevent instances of this class from being copied (As this class contains pointers) */
44     NEDequantizationLayerKernel(const NEDequantizationLayerKernel &) = delete;
45     /** Prevent instances of this class from being copied (As this class contains pointers) */
46     NEDequantizationLayerKernel &operator=(const NEDequantizationLayerKernel &) = delete;
47     /** Default Move Constructor. */
48     NEDequantizationLayerKernel(NEDequantizationLayerKernel &&) = default;
49     /** Default move assignment operator */
50     NEDequantizationLayerKernel &operator=(NEDequantizationLayerKernel &&) = default;
51     /** Default destructor */
52     ~NEDequantizationLayerKernel() = default;
53     /** Set input, output tensors.
54      *
55      * @param[in]  input  Source tensor. Data type supported: QASYMM8/QASYMM8_SIGNED/QSYMM8_PER_CHANNEL/QSYMM8/QSYMM16.
56      * @param[out] output Destination tensor with the same dimensions of input. Data type supported: F16/F32.
57      */
58     void configure(const ITensor *input, ITensor *output);
59     /** Static function to check if given info will lead to a valid configuration of @ref NEDequantizationLayerKernel
60      *
61      * @param[in] input  Input tensor info. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM8_PER_CHANNEL/QSYMM8/QSYMM16.
62      * @param[in] output Output tensor info. Data types supported: F16/F32.
63      *
64      * @return a status
65      */
66     static Status validate(const ITensorInfo *input, const ITensorInfo *output);
67 
68     // Inherited methods overridden:
69     void run(const Window &window, const ThreadInfo &info) override;
70 
71 private:
72     const ITensor *_input;
73     ITensor       *_output;
74 };
75 } // namespace arm_compute
76 #endif /*ARM_COMPUTE_NEDEQUANTIZATIONLAYERKERNEL_H */
77