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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
* Copyright 2017 The TensorFlow Authors. 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.
*/
#ifndef __PLIER_TF_CONVERT_H__
#define __PLIER_TF_CONVERT_H__
#include <loco.h>
#include <nncc/core/ADT/tensor/Shape.h>
#include <tensorflow/core/framework/graph.pb.h>
#include <string>
namespace plier
{
namespace tf
{
bool has_attr(const tensorflow::NodeDef &node, const std::string &attr_name);
bool has_attrs(const tensorflow::NodeDef &node, const std::vector<std::string> &attr_names);
tensorflow::DataType get_datatype_attr(const tensorflow::NodeDef &node,
const std::string &attr_name);
const tensorflow::TensorShapeProto &get_shape_attr(const tensorflow::NodeDef &node,
const std::string &attr_name);
const tensorflow::TensorProto &get_tensor_attr(const tensorflow::NodeDef &node,
const std::string &attr_name);
const tensorflow::AttrValue_ListValue &get_list_attr(const tensorflow::NodeDef &node,
const std::string &attr_name);
const std::string &get_string_attr(const tensorflow::NodeDef &node, const std::string &attr_name);
int64_t get_int_attr(const tensorflow::NodeDef &node, const std::string &attr_name);
float get_float_attr(const tensorflow::NodeDef &node, const std::string &attr_name);
bool get_bool_attr(const tensorflow::NodeDef &node, const std::string &attr_name);
std::vector<int64_t> as_int64_list(const tensorflow::AttrValue_ListValue &lv);
loco::DataType as_loco_datatype(const tensorflow::DataType dtype);
/**
* @brief Class to represent TensorFlow "data_format" attr.
*/
enum class DataLayout
{
NHWC,
NCHW,
};
/// @ brief Convert TF Data Layout string (e.g., "NHWC") to enum class for programming convenience
DataLayout as_data_layout(const std::string &tf_layout_str);
DataLayout get_data_layout(const tensorflow::NodeDef &node, const std::string &attr_name);
/**
* @brief Copy shape defined in TensorShapeProto to angkor shape
*
* @note Unknown dimension is not supported
*/
void copy_shape(const tensorflow::TensorShapeProto &tf_shape,
nncc::core::ADT::tensor::Shape &to_shape);
} // namespace tf
} // namespace plier
#endif // __PLIER_TF_CONVERT_H__
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