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/*
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "luci/Import/Nodes/CircleTransposeConv.h"
#include <luci/IR/Nodes/CircleTransposeConv.h>
#include <loco.h>
#include <cassert>
namespace luci
{
bool CircleTransposeConvGraphBuilder::validate(const ValidateArgs &args) const
{
if (args.op.inputs.size() != 3 && args.op.inputs.size() != 4)
return false;
const auto &inputs = args.op.inputs;
const auto &tensors = args.reader.tensors();
const auto &filter_tensor = tensors.at(inputs.at(1));
const auto &filter_shape = filter_tensor.get()->shape;
const auto &ifm_tensor = tensors.at(inputs.at(2));
const auto &ifm_shape = ifm_tensor.get()->shape;
// ifm and filters must be 4-D tensor
if (ifm_shape.size() != 4)
return false;
if (filter_shape.size() != 4)
return false;
// input shape : [batch, height, width, in_channels]
// filters shape : [output_channels, height, weight, in_channels]
if (ifm_tensor.get()->shape.at(3) != filter_tensor.get()->shape.at(3))
return false;
return true;
}
CircleNode *CircleTransposeConvGraphBuilder::build_node(const circle::OperatorT &op,
const std::vector<CircleNode *> &inputs,
loco::Graph *graph) const
{
auto *node = graph->nodes()->create<CircleTransposeConv>();
node->inputSizes(inputs.at(0));
node->filter(inputs.at(1));
node->outBackprop(inputs.at(2));
if (inputs.size() == 3)
{
auto *bias = graph->nodes()->create<CircleOutputExclude>();
// CircleOutputExclude doesn't need a type, but since all nodes must have a type,
// a dummy type is inserted.
bias->dtype(loco::DataType::FLOAT32);
node->bias(bias);
}
else
node->bias(inputs.at(3));
const auto *options = op.builtin_options.AsTransposeConvOptions();
node->padding(luci_padding(options->padding));
node->stride()->w(options->stride_w);
node->stride()->h(options->stride_h);
return node;
}
} // namespace luci
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