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#include <algorithm>
#include <cfloat>
#include <cmath>
#include <vector>
#include "caffe/layer.hpp"
#include "caffe/util/io.hpp"
#include "caffe/util/math_functions.hpp"
#include "caffe/vision_layers.hpp"
namespace caffe {
template <typename Dtype>
void LossLayer<Dtype>::LayerSetUp(
const vector<Blob<Dtype>*>& bottom, vector<Blob<Dtype>*>* top) {
CHECK_EQ(bottom[0]->num(), bottom[1]->num())
<< "The data and label should have the same number.";
(*top)[0]->Reshape(1, 1, 1, 1);
// LossLayers have a non-zero (1) loss by default.
if (this->layer_param_.loss_weight_size() == 0) {
this->layer_param_.add_loss_weight(Dtype(1));
}
}
INSTANTIATE_CLASS(LossLayer);
} // namespace caffe
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