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// Copyright 2014 BVLC and contributors.
#include <cstring>
#include "cuda_runtime.h"
#include "gtest/gtest.h"
#include "caffe/filler.hpp"
#include "caffe/test/test_caffe_main.hpp"
namespace caffe {
typedef ::testing::Types<float, double> Dtypes;
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, Dtypes);
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_GE(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, Dtypes);
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, Dtypes);
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, Dtypes);
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.);
}
} // namespace caffe
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