Compute Library
 21.02
NECast.h
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1 /*
2  * Copyright (c) 2019-2020 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
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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
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17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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22  * SOFTWARE.
23  */
24 #ifndef ARM_COMPUTE_NECAST_H
25 #define ARM_COMPUTE_NECAST_H
26 
27 #include "arm_compute/core/Types.h"
29 
30 namespace arm_compute
31 {
32 class ITensor;
33 class ITensorInfo;
34 
35 /** Basic function to run @ref NEDepthConvertLayerKernel.
36  * This function ignores the scale and zeroPoint of quanized tensors,so QASYMM8 input is treated as uint8 values.
37  */
39 {
40 public:
41  /** Initialize the function's source, destination
42  *
43  * Input data type must be different than output data type.
44  *
45  * Valid conversions Input -> Output :
46  *
47  * - QASYMM8_SIGNED -> S16, S32, F32, F16
48  * - QASYMM8 -> U16, S16, S32, F32, F16
49  * - U8 -> U16, S16, S32, F32, F16
50  * - U16 -> U8, U32
51  * - S16 -> QASYMM8_SIGNED, U8, S32
52  * - F16 -> QASYMM8_SIGNED, QASYMM8, F32, S32, U8
53  * - S32 -> QASYMM8_SIGNED, QASYMM8, F16, F32, U8
54  * - F32 -> QASYMM8_SIGNED, QASYMM8, BFLOAT16, F16, S32, U8
55  *
56  * @param[in] input The input tensor to convert. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/F16/S32/F32.
57  * @param[out] output The output tensor. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/S8/U16/S16/U32/S32/BFLOAT16/F16/F32.
58  * @param[in] policy Conversion policy.
59  */
60  void configure(ITensor *input, ITensor *output, ConvertPolicy policy);
61  /** Static function to check if given info will lead to a valid configuration of @ref NECast
62  *
63  * @param[in] input Source tensor info. Data types supported: QASYMM8_SIGNED/QASYMM8/U8/U16/S16/F16/S32/F32.
64  * @param[in] output Destination tensor info. Data type supported: QASYMM8_SIGNED/QASYMM8/U8/S8/U16/S16/U32/S32/BFLOAT16/F16/F32.
65  * @param[in] policy Conversion policy.
66  *
67  * @return a status
68  */
69  static Status validate(ITensorInfo *input, ITensorInfo *output, ConvertPolicy policy);
70 };
71 } // namespace arm_compute
72 #endif /*ARM_COMPUTE_NECAST_H*/
Store the tensor's metadata.
Definition: ITensorInfo.h:40
Status class.
Definition: Error.h:52
Interface for Neon tensor.
Definition: ITensor.h:36
Copyright (c) 2017-2021 Arm Limited.
Basic function to run NEDepthConvertLayerKernel.
Definition: NECast.h:38
Basic interface for functions which have a single Neon kernel and no border.
void configure(ITensor *input, ITensor *output, ConvertPolicy policy)
Initialize the function's source, destination.
Definition: NECast.cpp:34
static Status validate(ITensorInfo *input, ITensorInfo *output, ConvertPolicy policy)
Static function to check if given info will lead to a valid configuration of NECast.
Definition: NECast.cpp:41
ConvertPolicy
Policy to handle overflow.
Definition: Types.h:385