net_util.h

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/******************************************************************************
 * Copyright 2017 The Apollo 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.
 *****************************************************************************/
 
#pragma once
 
#include <string>
#include <vector>
 
#include "Eigen/Dense"
 
#include "modules/prediction/proto/network_layers.pb.h"
 
namespace apollo {
namespace prediction {
namespace network {
 
float sigmoid(const float x);
 
float tanh(const float x);
 
float linear(const float x);
 
float hard_sigmoid(const float x);
 
float relu(const float x);
 
Eigen::MatrixXf FlattenMatrix(const Eigen::MatrixXf& matrix);
 
std::function<float(float)> serialize_to_function(const std::string& str);
 
bool LoadTensor(const TensorParameter& tensor_pb, Eigen::MatrixXf* matrix);
 
bool LoadTensor(const TensorParameter& tensor_pb, Eigen::VectorXf* vector);
 
bool LoadTensor(const TensorParameter& tensor_pb,
                std::vector<Eigen::MatrixXf>* const tensor3d);
 
}  // namespace network
}  // namespace prediction
}  // namespace apollo