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#include <cmath>
#include <cstdlib>
#include <cstring>
#include <vector>
#include "gtest/gtest.h"
#include "caffe/blob.hpp"
#include "caffe/common.hpp"
#include "caffe/filler.hpp"
#include "caffe/vision_layers.hpp"
#include "caffe/test/test_caffe_main.hpp"
#include "caffe/test/test_gradient_check_util.hpp"
namespace caffe {
template <typename TypeParam>
class HingeLossLayerTest : public MultiDeviceTest<TypeParam> {
typedef typename TypeParam::Dtype Dtype;
protected:
HingeLossLayerTest()
: blob_bottom_data_(new Blob<Dtype>(10, 5, 1, 1)),
blob_bottom_label_(new Blob<Dtype>(10, 1, 1, 1)),
blob_top_loss_(new Blob<Dtype>()) {
// fill the values
Caffe::set_random_seed(1701);
FillerParameter filler_param;
filler_param.set_std(10);
GaussianFiller<Dtype> filler(filler_param);
filler.Fill(this->blob_bottom_data_);
blob_bottom_vec_.push_back(blob_bottom_data_);
for (int i = 0; i < blob_bottom_label_->count(); ++i) {
blob_bottom_label_->mutable_cpu_data()[i] = caffe_rng_rand() % 5;
}
blob_bottom_vec_.push_back(blob_bottom_label_);
blob_top_vec_.push_back(blob_top_loss_);
}
virtual ~HingeLossLayerTest() {
delete blob_bottom_data_;
delete blob_bottom_label_;
delete blob_top_loss_;
}
Blob<Dtype>* const blob_bottom_data_;
Blob<Dtype>* const blob_bottom_label_;
Blob<Dtype>* const blob_top_loss_;
vector<Blob<Dtype>*> blob_bottom_vec_;
vector<Blob<Dtype>*> blob_top_vec_;
};
TYPED_TEST_CASE(HingeLossLayerTest, TestDtypesAndDevices);
TYPED_TEST(HingeLossLayerTest, TestGradientL1) {
typedef typename TypeParam::Dtype Dtype;
LayerParameter layer_param;
HingeLossLayer<Dtype> layer(layer_param);
GradientChecker<Dtype> checker(1e-2, 2e-3, 1701, 1, 0.01);
checker.CheckGradientExhaustive(&layer, this->blob_bottom_vec_,
this->blob_top_vec_, 0);
}
TYPED_TEST(HingeLossLayerTest, TestGradientL2) {
typedef typename TypeParam::Dtype Dtype;
LayerParameter layer_param;
// Set norm to L2
HingeLossParameter* hinge_loss_param = layer_param.mutable_hinge_loss_param();
hinge_loss_param->set_norm(HingeLossParameter_Norm_L2);
HingeLossLayer<Dtype> layer(layer_param);
GradientChecker<Dtype> checker(1e-2, 1e-2, 1701);
checker.CheckGradientExhaustive(&layer, this->blob_bottom_vec_,
this->blob_top_vec_, 0);
}
} // namespace caffe
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