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#include <utility>
#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"
namespace caffe {
template <typename Dtype>
class ArgMaxLayerTest : public CPUDeviceTest<Dtype> {
protected:
ArgMaxLayerTest()
: blob_bottom_(new Blob<Dtype>(10, 20, 1, 1)),
blob_top_(new Blob<Dtype>()),
top_k_(5) {
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 ~ArgMaxLayerTest() { 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_;
size_t top_k_;
};
TYPED_TEST_CASE(ArgMaxLayerTest, TestDtypes);
TYPED_TEST(ArgMaxLayerTest, TestSetup) {
LayerParameter layer_param;
ArgMaxLayer<TypeParam> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, this->blob_top_vec_);
EXPECT_EQ(this->blob_top_->num(), this->blob_bottom_->num());
EXPECT_EQ(this->blob_top_->channels(), 1);
}
TYPED_TEST(ArgMaxLayerTest, TestSetupMaxVal) {
LayerParameter layer_param;
ArgMaxParameter* argmax_param = layer_param.mutable_argmax_param();
argmax_param->set_out_max_val(true);
ArgMaxLayer<TypeParam> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, this->blob_top_vec_);
EXPECT_EQ(this->blob_top_->num(), this->blob_bottom_->num());
EXPECT_EQ(this->blob_top_->channels(), 2);
}
TYPED_TEST(ArgMaxLayerTest, TestCPU) {
LayerParameter layer_param;
ArgMaxLayer<TypeParam> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, this->blob_top_vec_);
layer.Forward(this->blob_bottom_vec_, this->blob_top_vec_);
// Now, check values
const TypeParam* bottom_data = this->blob_bottom_->cpu_data();
const TypeParam* top_data = this->blob_top_->cpu_data();
int max_ind;
TypeParam max_val;
int num = this->blob_bottom_->num();
int dim = this->blob_bottom_->count() / num;
for (int i = 0; i < num; ++i) {
EXPECT_GE(top_data[i], 0);
EXPECT_LE(top_data[i], dim);
max_ind = top_data[i];
max_val = bottom_data[i * dim + max_ind];
for (int j = 0; j < dim; ++j) {
EXPECT_LE(bottom_data[i * dim + j], max_val);
}
}
}
TYPED_TEST(ArgMaxLayerTest, TestCPUMaxVal) {
LayerParameter layer_param;
ArgMaxParameter* argmax_param = layer_param.mutable_argmax_param();
argmax_param->set_out_max_val(true);
ArgMaxLayer<TypeParam> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, this->blob_top_vec_);
layer.Forward(this->blob_bottom_vec_, this->blob_top_vec_);
// Now, check values
const TypeParam* bottom_data = this->blob_bottom_->cpu_data();
const TypeParam* top_data = this->blob_top_->cpu_data();
int max_ind;
TypeParam max_val;
int num = this->blob_bottom_->num();
int dim = this->blob_bottom_->count() / num;
for (int i = 0; i < num; ++i) {
EXPECT_GE(top_data[i], 0);
EXPECT_LE(top_data[i], dim);
max_ind = top_data[i * 2];
max_val = top_data[i * 2 + 1];
EXPECT_EQ(bottom_data[i * dim + max_ind], max_val);
for (int j = 0; j < dim; ++j) {
EXPECT_LE(bottom_data[i * dim + j], max_val);
}
}
}
TYPED_TEST(ArgMaxLayerTest, TestCPUTopK) {
LayerParameter layer_param;
ArgMaxParameter* argmax_param = layer_param.mutable_argmax_param();
argmax_param->set_top_k(this->top_k_);
ArgMaxLayer<TypeParam> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, this->blob_top_vec_);
layer.Forward(this->blob_bottom_vec_, this->blob_top_vec_);
// Now, check values
int max_ind;
TypeParam max_val;
int num = this->blob_bottom_->num();
int dim = this->blob_bottom_->count() / num;
for (int i = 0; i < num; ++i) {
EXPECT_GE(this->blob_top_->data_at(i, 0, 0, 0), 0);
EXPECT_LE(this->blob_top_->data_at(i, 0, 0, 0), dim);
for (int j = 0; j < this->top_k_; ++j) {
max_ind = this->blob_top_->data_at(i, 0, j, 0);
max_val = this->blob_bottom_->data_at(i, max_ind, 0, 0);
int count = 0;
for (int k = 0; k < dim; ++k) {
if (this->blob_bottom_->data_at(i, k, 0, 0) > max_val) {
++count;
}
}
EXPECT_EQ(j, count);
}
}
}
TYPED_TEST(ArgMaxLayerTest, TestCPUMaxValTopK) {
LayerParameter layer_param;
ArgMaxParameter* argmax_param = layer_param.mutable_argmax_param();
argmax_param->set_out_max_val(true);
argmax_param->set_top_k(this->top_k_);
ArgMaxLayer<TypeParam> layer(layer_param);
layer.SetUp(this->blob_bottom_vec_, this->blob_top_vec_);
layer.Forward(this->blob_bottom_vec_, this->blob_top_vec_);
// Now, check values
int max_ind;
TypeParam max_val;
int num = this->blob_bottom_->num();
int dim = this->blob_bottom_->count() / num;
for (int i = 0; i < num; ++i) {
EXPECT_GE(this->blob_top_->data_at(i, 0, 0, 0), 0);
EXPECT_LE(this->blob_top_->data_at(i, 0, 0, 0), dim);
for (int j = 0; j < this->top_k_; ++j) {
max_ind = this->blob_top_->data_at(i, 0, j, 0);
max_val = this->blob_top_->data_at(i, 1, j, 0);
EXPECT_EQ(this->blob_bottom_->data_at(i, max_ind, 0, 0), max_val);
int count = 0;
for (int k = 0; k < dim; ++k) {
if (this->blob_bottom_->data_at(i, k, 0, 0) > max_val) {
++count;
}
}
EXPECT_EQ(j, count);
}
}
}
} // namespace caffe
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