xref: /aosp_15_r20/external/ComputeLibrary/src/graph/nodes/DequantizationLayerNode.cpp (revision c217d954acce2dbc11938adb493fc0abd69584f3)
1 /*
2  * Copyright (c) 2019 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 "arm_compute/graph/nodes/DequantizationLayerNode.h"
25 
26 #include "arm_compute/core/Error.h"
27 #include "arm_compute/graph/Graph.h"
28 #include "arm_compute/graph/INodeVisitor.h"
29 #include "arm_compute/graph/Tensor.h"
30 
31 namespace arm_compute
32 {
33 namespace graph
34 {
DequantizationLayerNode()35 DequantizationLayerNode::DequantizationLayerNode()
36 {
37     _input_edges.resize(1, EmptyEdgeID);
38     _outputs.resize(1, NullTensorID);
39 }
40 
forward_descriptors()41 bool DequantizationLayerNode::forward_descriptors()
42 {
43     if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID))
44     {
45         Tensor *dst = output(0);
46         ARM_COMPUTE_ERROR_ON(dst == nullptr);
47         dst->desc() = configure_output(0);
48         return true;
49     }
50     return false;
51 }
52 
configure_output(size_t idx) const53 TensorDescriptor DequantizationLayerNode::configure_output(size_t idx) const
54 {
55     ARM_COMPUTE_UNUSED(idx);
56     ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
57 
58     const Tensor *src = input(0);
59     ARM_COMPUTE_ERROR_ON(src == nullptr);
60 
61     TensorDescriptor output_desc = src->desc();
62     output_desc.data_type        = DataType::F32;
63 
64     return output_desc;
65 }
66 
type() const67 NodeType DequantizationLayerNode::type() const
68 {
69     return NodeType::DequantizationLayer;
70 }
71 
accept(INodeVisitor & v)72 void DequantizationLayerNode::accept(INodeVisitor &v)
73 {
74     v.visit(*this);
75 }
76 } // namespace graph
77 } // namespace arm_compute