text: /*
  All modification made by Cambricon Corporation: © 2018-2019 Cambricon Corporation
  All rights reserved.
  All other contributions:
  Copyright (c) 2014--2019, the respective contributors
  All rights reserved.
  For the list of contributors go to https://github.com/BVLC/caffe/blob/master/CONTRIBUTORS.md
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:
      * Redistributions of source code must retain the above copyright notice,
        this list of conditions and the following disclaimer.
      * Redistributions in binary form must reproduce the above copyright
        notice, this list of conditions and the following disclaimer in the
        documentation and/or other materials provided with the distribution.
      * Neither the name of Intel Corporation nor the names of its contributors
        may be used to endorse or promote products derived from this software
        without specific prior written permission.
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  
  #ifndef INCLUDE_CAFFE_LAYERS_HDF5_OUTPUT_LAYER_HPP_
  #define INCLUDE_CAFFE_LAYERS_HDF5_OUTPUT_LAYER_HPP_
  
  #include "hdf5.h"  // NOLINT
  
  #include <string>
  #include <vector>
  
  #include "caffe/blob.hpp"
  #include "caffe/layer.hpp"
  #include "caffe/proto/caffe.pb.h"
  
  namespace caffe {
  
  #define HDF5_DATA_DATASET_NAME "data"
  #define HDF5_DATA_LABEL_NAME "label"
  
  /**
   * @brief Write blobs to disk as HDF5 files.
   *
   * TODO(dox): thorough documentation for Forward and proto params.
   */
  template <typename Dtype>
  class HDF5OutputLayer : public Layer<Dtype> {
    public:
    explicit HDF5OutputLayer(const LayerParameter& param)
        : Layer<Dtype>(param), file_opened_(false) {}
    virtual ~HDF5OutputLayer();
    virtual void LayerSetUp(const vector<Blob<Dtype>*>& bottom,
                            const vector<Blob<Dtype>*>& top);
    // Data layers have no bottoms, so reshaping is trivial.
    virtual void Reshape(const vector<Blob<Dtype>*>& bottom,
                         const vector<Blob<Dtype>*>& top) {}
  
    virtual inline const char* type() const { return "HDF5Output"; }
  
    virtual inline int ExactNumBottomBlobs() const { return 2; }
    virtual inline int ExactNumTopBlobs() const { return 0; }
  
    inline std::string file_name() const { return file_name_; }
  
    protected:
    virtual void Forward_cpu(const vector<Blob<Dtype>*>& bottom,
                             const vector<Blob<Dtype>*>& top);
    virtual void Forward_gpu(const vector<Blob<Dtype>*>& bottom,
                             const vector<Blob<Dtype>*>& top);
    virtual void Backward_cpu(const vector<Blob<Dtype>*>& top,
                              const vector<bool>& propagate_down,
                              const vector<Blob<Dtype>*>& bottom);
    virtual void Backward_gpu(const vector<Blob<Dtype>*>& top,
                              const vector<bool>& propagate_down,
                              const vector<Blob<Dtype>*>& bottom);
    virtual void SaveBlobs();
  
    bool file_opened_;
    std::string file_name_;
    hid_t file_id_;
    Blob<Dtype> data_blob_;
    Blob<Dtype> label_blob_;
  };
  
  }  // namespace caffe
  
  #endif  // INCLUDE_CAFFE_LAYERS_HDF5_OUTPUT_LAYER_HPP_
  