text: #ifndef CAFFE_DENSE_LOSS_LAYER_HPP_
  #define CAFFE_DENSE_LOSS_LAYER_HPP_
  
  #include <vector>
  
  #include "caffe/blob.hpp"
  #include "caffe/layers/loss_layer.hpp"
  
  namespace caffe {
  
  /* DenseLossLayer
  */
  template <typename Dtype>
  class DenseLossLayer : public LossLayer<Dtype> {
  public:
    explicit DenseLossLayer(const LayerParameter& param)
      : LossLayer<Dtype>(param) {}
    virtual void LayerSetUp(const vector<Blob<Dtype>*>& bottom,
      const vector<Blob<Dtype>*>& top);
  
    virtual inline const char* type() const { return "DenseLoss"; }
    virtual void Reshape(const vector<Blob<Dtype>*>& bottom,
      const vector<Blob<Dtype>*>& top);
    virtual inline int ExactNumTopBlobs() const { return -1; }
    virtual inline int ExactNumBottomBlobs() const { return -1; }
  
  protected:
    virtual void Forward_cpu(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);
  
  private:
    int num_classes_;
    Blob<Dtype> mean_;
  };
  
  }  // namespace caffe
  
  #endif  // CAFFE_CONTRASTIVE_LOSS_LAYER_HPP_
  