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test_flatten_layer.cpp
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109 lines (96 loc) · 3.68 KB
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#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 FlattenLayerTest : public MultiDeviceTest<TypeParam> {
typedef typename TypeParam::Dtype Dtype;
protected:
FlattenLayerTest()
: blob_bottom_(new Blob<Dtype>(2, 3, 6, 5)),
blob_top_(new Blob<Dtype>()) {
Caffe::set_random_seed(1701);
// fill the values
FillerParameter filler_param;
GaussianFiller<Dtype> filler(filler_param);
filler.Fill(this->blob_bottom_);
blob_bottom_vec_.push_back(blob_bottom_);
blob_top_vec_.push_back(blob_top_);
}
virtual ~FlattenLayerTest() { delete blob_bottom_; delete blob_top_; }
Blob<Dtype>* const blob_bottom_;
Blob<Dtype>* const blob_top_;
vector<Blob<Dtype>*> blob_bottom_vec_;
vector<Blob<Dtype>*> blob_top_vec_;
};
TYPED_TEST_CASE(FlattenLayerTest, TestDtypesAndDevices);
TYPED_TEST(FlattenLayerTest, TestSetup) {
typedef typename TypeParam::Dtype Dtype;
LayerParameter layer_param;
FlattenLayer<Dtype> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, this->blob_top_vec_);
ASSERT_EQ(this->blob_top_->num_axes(), 2);
EXPECT_EQ(this->blob_top_->shape(0), 2);
EXPECT_EQ(this->blob_top_->shape(1), 3 * 6 * 5);
}
TYPED_TEST(FlattenLayerTest, TestSetupWithAxis) {
typedef typename TypeParam::Dtype Dtype;
LayerParameter layer_param;
layer_param.mutable_flatten_param()->set_axis(2);
FlattenLayer<Dtype> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, this->blob_top_vec_);
ASSERT_EQ(this->blob_top_->num_axes(), 3);
EXPECT_EQ(this->blob_top_->shape(0), 2);
EXPECT_EQ(this->blob_top_->shape(1), 3);
EXPECT_EQ(this->blob_top_->shape(2), 6 * 5);
}
TYPED_TEST(FlattenLayerTest, TestSetupWithEndAxis) {
typedef typename TypeParam::Dtype Dtype;
LayerParameter layer_param;
layer_param.mutable_flatten_param()->set_end_axis(-2);
FlattenLayer<Dtype> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, this->blob_top_vec_);
ASSERT_EQ(this->blob_top_->num_axes(), 3);
EXPECT_EQ(this->blob_top_->shape(0), 2);
EXPECT_EQ(this->blob_top_->shape(1), 3 * 6);
EXPECT_EQ(this->blob_top_->shape(2), 5);
}
TYPED_TEST(FlattenLayerTest, TestSetupWithStartAndEndAxis) {
typedef typename TypeParam::Dtype Dtype;
LayerParameter layer_param;
layer_param.mutable_flatten_param()->set_axis(0);
layer_param.mutable_flatten_param()->set_end_axis(-2);
FlattenLayer<Dtype> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, this->blob_top_vec_);
ASSERT_EQ(this->blob_top_->num_axes(), 2);
EXPECT_EQ(this->blob_top_->shape(0), 2 * 3 * 6);
EXPECT_EQ(this->blob_top_->shape(1), 5);
}
TYPED_TEST(FlattenLayerTest, TestForward) {
typedef typename TypeParam::Dtype Dtype;
LayerParameter layer_param;
FlattenLayer<Dtype> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, this->blob_top_vec_);
layer.Forward(this->blob_bottom_vec_, this->blob_top_vec_);
for (int c = 0; c < 3 * 6 * 5; ++c) {
EXPECT_EQ(this->blob_top_->data_at(0, c, 0, 0),
this->blob_bottom_->data_at(0, c / (6 * 5), (c / 5) % 6, c % 5));
EXPECT_EQ(this->blob_top_->data_at(1, c, 0, 0),
this->blob_bottom_->data_at(1, c / (6 * 5), (c / 5) % 6, c % 5));
}
}
TYPED_TEST(FlattenLayerTest, TestGradient) {
typedef typename TypeParam::Dtype Dtype;
LayerParameter layer_param;
FlattenLayer<Dtype> layer(layer_param);
GradientChecker<Dtype> checker(1e-2, 1e-2);
checker.CheckGradientEltwise(&layer, this->blob_bottom_vec_,
this->blob_top_vec_);
}
} // namespace caffe