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#include "gtest/gtest.h"
#include "caffe/filler.hpp"
#include "caffe/test/test_caffe_main.hpp"
namespace caffe {
template <typename Dtype>
class ConstantFillerTest : public ::testing::Test {
protected:
ConstantFillerTest()
: blob_(new Blob<Dtype>(2, 3, 4, 5)),
filler_param_() {
filler_param_.set_value(10.);
filler_.reset(new ConstantFiller<Dtype>(filler_param_));
filler_->Fill(blob_);
}
virtual ~ConstantFillerTest() { delete blob_; }
Blob<Dtype>* const blob_;
FillerParameter filler_param_;
shared_ptr<ConstantFiller<Dtype> > filler_;
};
TYPED_TEST_CASE(ConstantFillerTest, TestDtypes);
TYPED_TEST(ConstantFillerTest, TestFill) {
EXPECT_TRUE(this->blob_);
const int count = this->blob_->count();
const TypeParam* data = this->blob_->cpu_data();
for (int i = 0; i < count; ++i) {
EXPECT_EQ(data[i], this->filler_param_.value());
}
}
template <typename Dtype>
class UniformFillerTest : public ::testing::Test {
protected:
UniformFillerTest()
: blob_(new Blob<Dtype>(2, 3, 4, 5)),
filler_param_() {
filler_param_.set_min(1.);
filler_param_.set_max(2.);
filler_.reset(new UniformFiller<Dtype>(filler_param_));
filler_->Fill(blob_);
}
virtual ~UniformFillerTest() { delete blob_; }
Blob<Dtype>* const blob_;
FillerParameter filler_param_;
shared_ptr<UniformFiller<Dtype> > filler_;
};
TYPED_TEST_CASE(UniformFillerTest, TestDtypes);
TYPED_TEST(UniformFillerTest, TestFill) {
EXPECT_TRUE(this->blob_);
const int count = this->blob_->count();
const TypeParam* data = this->blob_->cpu_data();
for (int i = 0; i < count; ++i) {
EXPECT_GE(data[i], this->filler_param_.min());
EXPECT_LE(data[i], this->filler_param_.max());
}
}
template <typename Dtype>
class PositiveUnitballFillerTest : public ::testing::Test {
protected:
PositiveUnitballFillerTest()
: blob_(new Blob<Dtype>(2, 3, 4, 5)),
filler_param_() {
filler_.reset(new PositiveUnitballFiller<Dtype>(filler_param_));
filler_->Fill(blob_);
}
virtual ~PositiveUnitballFillerTest() { delete blob_; }
Blob<Dtype>* const blob_;
FillerParameter filler_param_;
shared_ptr<PositiveUnitballFiller<Dtype> > filler_;
};
TYPED_TEST_CASE(PositiveUnitballFillerTest, TestDtypes);
TYPED_TEST(PositiveUnitballFillerTest, TestFill) {
EXPECT_TRUE(this->blob_);
const int num = this->blob_->num();
const int count = this->blob_->count();
const int dim = count / num;
const TypeParam* data = this->blob_->cpu_data();
for (int i = 0; i < count; ++i) {
EXPECT_GE(data[i], 0);
EXPECT_LE(data[i], 1);
}
for (int i = 0; i < num; ++i) {
TypeParam sum = 0;
for (int j = 0; j < dim; ++j) {
sum += data[i * dim + j];
}
EXPECT_GE(sum, 0.999);
EXPECT_LE(sum, 1.001);
}
}
template <typename Dtype>
class GaussianFillerTest : public ::testing::Test {
protected:
GaussianFillerTest()
: blob_(new Blob<Dtype>(2, 3, 4, 5)),
filler_param_() {
filler_param_.set_mean(10.);
filler_param_.set_std(0.1);
filler_.reset(new GaussianFiller<Dtype>(filler_param_));
filler_->Fill(blob_);
}
virtual ~GaussianFillerTest() { delete blob_; }
Blob<Dtype>* const blob_;
FillerParameter filler_param_;
shared_ptr<GaussianFiller<Dtype> > filler_;
};
TYPED_TEST_CASE(GaussianFillerTest, TestDtypes);
TYPED_TEST(GaussianFillerTest, TestFill) {
EXPECT_TRUE(this->blob_);
const int count = this->blob_->count();
const TypeParam* data = this->blob_->cpu_data();
TypeParam mean = 0.;
TypeParam var = 0.;
for (int i = 0; i < count; ++i) {
mean += data[i];
var += (data[i] - this->filler_param_.mean()) *
(data[i] - this->filler_param_.mean());
}
mean /= count;
var /= count;
// Very loose test.
EXPECT_GE(mean, this->filler_param_.mean() - this->filler_param_.std() * 5);
EXPECT_LE(mean, this->filler_param_.mean() + this->filler_param_.std() * 5);
TypeParam target_var = this->filler_param_.std() * this->filler_param_.std();
EXPECT_GE(var, target_var / 5.);
EXPECT_LE(var, target_var * 5.);
}
template <typename Dtype>
class XavierFillerTest : public ::testing::Test {
protected:
XavierFillerTest()
: blob_(new Blob<Dtype>(1000, 2, 4, 5)),
filler_param_() {
}
virtual void test_params(FillerParameter_VarianceNorm variance_norm,
Dtype n) {
this->filler_param_.set_variance_norm(variance_norm);
this->filler_.reset(new XavierFiller<Dtype>(this->filler_param_));
this->filler_->Fill(blob_);
EXPECT_TRUE(this->blob_);
const int count = this->blob_->count();
const Dtype* data = this->blob_->cpu_data();
Dtype mean = 0.;
Dtype ex2 = 0.;
for (int i = 0; i < count; ++i) {
mean += data[i];
ex2 += data[i] * data[i];
}
mean /= count;
ex2 /= count;
Dtype std = sqrt(ex2 - mean*mean);
Dtype target_std = sqrt(2.0 / n);
EXPECT_NEAR(mean, 0.0, 0.1);
EXPECT_NEAR(std, target_std, 0.1);
}
virtual ~XavierFillerTest() { delete blob_; }
Blob<Dtype>* const blob_;
FillerParameter filler_param_;
shared_ptr<XavierFiller<Dtype> > filler_;
};
TYPED_TEST_CASE(XavierFillerTest, TestDtypes);
TYPED_TEST(XavierFillerTest, TestFillFanIn) {
TypeParam n = 2*4*5;
this->test_params(FillerParameter_VarianceNorm_FAN_IN, n);
}
TYPED_TEST(XavierFillerTest, TestFillFanOut) {
TypeParam n = 1000*4*5;
this->test_params(FillerParameter_VarianceNorm_FAN_OUT, n);
}
TYPED_TEST(XavierFillerTest, TestFillAverage) {
TypeParam n = (2*4*5 + 1000*4*5) / 2.0;
this->test_params(FillerParameter_VarianceNorm_AVERAGE, n);
}
template <typename Dtype>
class MSRAFillerTest : public ::testing::Test {
protected:
MSRAFillerTest()
: blob_(new Blob<Dtype>(1000, 2, 4, 5)),
filler_param_() {
}
virtual void test_params(FillerParameter_VarianceNorm variance_norm,
Dtype n) {
this->filler_param_.set_variance_norm(variance_norm);
this->filler_.reset(new MSRAFiller<Dtype>(this->filler_param_));
this->filler_->Fill(blob_);
EXPECT_TRUE(this->blob_);
const int count = this->blob_->count();
const Dtype* data = this->blob_->cpu_data();
Dtype mean = 0.;
Dtype ex2 = 0.;
for (int i = 0; i < count; ++i) {
mean += data[i];
ex2 += data[i] * data[i];
}
mean /= count;
ex2 /= count;
Dtype std = sqrt(ex2 - mean*mean);
Dtype target_std = sqrt(2.0 / n);
EXPECT_NEAR(mean, 0.0, 0.1);
EXPECT_NEAR(std, target_std, 0.1);
}
virtual ~MSRAFillerTest() { delete blob_; }
Blob<Dtype>* const blob_;
FillerParameter filler_param_;
shared_ptr<MSRAFiller<Dtype> > filler_;
};
TYPED_TEST_CASE(MSRAFillerTest, TestDtypes);
TYPED_TEST(MSRAFillerTest, TestFillFanIn) {
TypeParam n = 2*4*5;
this->test_params(FillerParameter_VarianceNorm_FAN_IN, n);
}
TYPED_TEST(MSRAFillerTest, TestFillFanOut) {
TypeParam n = 1000*4*5;
this->test_params(FillerParameter_VarianceNorm_FAN_OUT, n);
}
TYPED_TEST(MSRAFillerTest, TestFillAverage) {
TypeParam n = (2*4*5 + 1000*4*5) / 2.0;
this->test_params(FillerParameter_VarianceNorm_AVERAGE, n);
}
template <typename Dtype>
class BilinearFillerTest : public ::testing::Test {
protected:
BilinearFillerTest() : filler_param_() {}
virtual void test_params(const int n) {
this->blob_ = new Blob<Dtype>(1000, 2, n, n);
this->filler_.reset(new BilinearFiller<Dtype>(this->filler_param_));
this->filler_->Fill(blob_);
EXPECT_TRUE(this->blob_);
const int outer_num = this->blob_->count(0, 2);
const int inner_num = this->blob_->count(2, 4);
const Dtype* data = this->blob_->cpu_data();
int f = ceil(this->blob_->width() / 2.);
Dtype c = (this->blob_->width() - 1) / (2. * f);
for (int i = 0; i < outer_num; ++i) {
for (int j = 0; j < inner_num; ++j) {
Dtype x = j % this->blob_->width();
Dtype y = (j / this->blob_->width()) % this->blob_->height();
Dtype expected_value = (1 - fabs(x / f - c)) * (1 - fabs(y / f - c));
const Dtype actual_value = data[i * inner_num + j];
EXPECT_NEAR(expected_value, actual_value, 0.01);
}
}
}
virtual ~BilinearFillerTest() { delete blob_; }
Blob<Dtype>* blob_;
FillerParameter filler_param_;
shared_ptr<BilinearFiller<Dtype> > filler_;
};
TYPED_TEST_CASE(BilinearFillerTest, TestDtypes);
TYPED_TEST(BilinearFillerTest, TestFillOdd) {
const int n = 7;
this->test_params(n);
}
TYPED_TEST(BilinearFillerTest, TestFillEven) {
const int n = 6;
this->test_params(n);
}
} // namespace caffe
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