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
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/QuantizationLayerNode.h"
25
26 #include "arm_compute/graph/Graph.h"
27 #include "arm_compute/graph/INodeVisitor.h"
28
29 namespace arm_compute
30 {
31 namespace graph
32 {
QuantizationLayerNode(QuantizationInfo out_quant_info)33 QuantizationLayerNode::QuantizationLayerNode(QuantizationInfo out_quant_info)
34 : QuantizationLayerNode(out_quant_info, DataType::QASYMM8)
35 {
36 }
37
QuantizationLayerNode(QuantizationInfo out_quant_info,DataType out_data_type)38 QuantizationLayerNode::QuantizationLayerNode(QuantizationInfo out_quant_info, DataType out_data_type)
39 : _out_quant_info(std::move(out_quant_info)), _out_data_type(out_data_type)
40 {
41 ARM_COMPUTE_ERROR_ON(!is_data_type_quantized(out_data_type));
42
43 _input_edges.resize(1, EmptyEdgeID);
44 _outputs.resize(1, NullTensorID);
45 }
46
forward_descriptors()47 bool QuantizationLayerNode::forward_descriptors()
48 {
49 if((input_id(0) != NullTensorID) && (output_id(0) != NullTensorID))
50 {
51 Tensor *dst = output(0);
52 ARM_COMPUTE_ERROR_ON(dst == nullptr);
53 dst->desc() = configure_output(0);
54 return true;
55 }
56 return false;
57 }
58
configure_output(size_t idx) const59 TensorDescriptor QuantizationLayerNode::configure_output(size_t idx) const
60 {
61 ARM_COMPUTE_UNUSED(idx);
62 ARM_COMPUTE_ERROR_ON(idx >= _outputs.size());
63
64 const Tensor *src = input(0);
65 ARM_COMPUTE_ERROR_ON(src == nullptr);
66
67 TensorDescriptor output_info = src->desc();
68 output_info.data_type = _out_data_type;
69 output_info.quant_info = _out_quant_info;
70
71 return output_info;
72 }
73
type() const74 NodeType QuantizationLayerNode::type() const
75 {
76 return QuantizationLayerNode::node_type;
77 }
78
accept(INodeVisitor & v)79 void QuantizationLayerNode::accept(INodeVisitor &v)
80 {
81 v.visit(*this);
82 }
83 } // namespace graph
84 } // namespace arm_compute
85