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#ifndef CAFFE_PARAMETER_LAYER_HPP_
#define CAFFE_PARAMETER_LAYER_HPP_
#include <vector>
#include "caffe/layer.hpp"
namespace caffe {
template <typename Dtype>
class ParameterLayer : public Layer<Dtype> {
public:
explicit ParameterLayer(const LayerParameter& param)
: Layer<Dtype>(param) {}
virtual void LayerSetUp(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) {
if (this->blobs_.size() > 0) {
LOG(INFO) << "Skipping parameter initialization";
} else {
this->blobs_.resize(1);
this->blobs_[0].reset(new Blob<Dtype>());
this->blobs_[0]->Reshape(this->layer_param_.parameter_param().shape());
}
top[0]->Reshape(this->layer_param_.parameter_param().shape());
}
virtual void Reshape(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) { }
virtual inline const char* type() const { return "Parameter"; }
virtual inline int ExactNumBottomBlobs() const { return 0; }
virtual inline int ExactNumTopBlobs() const { return 1; }
protected:
virtual void Forward_cpu(const vector<Blob<Dtype>*>& bottom,
const vector<Blob<Dtype>*>& top) {
top[0]->ShareData(*(this->blobs_[0]));
top[0]->ShareDiff(*(this->blobs_[0]));
}
virtual void Backward_cpu(const vector<Blob<Dtype>*>& top,
const vector<bool>& propagate_down, const vector<Blob<Dtype>*>& bottom)
{ }
};
} // namespace caffe
#endif
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