test HingeLossLayer

Based on SoftmaxWithLossLayerTest.

diff --git a/src/caffe/test/test_hinge_loss_layer.cpp b/src/caffe/test/test_hinge_loss_layer.cpp
new file mode 100644 (file)
index 0000000..1725827
--- /dev/null
+++ b/src/caffe/test/test_hinge_loss_layer.cpp
@@ -0,0 +1,73 @@
+// Copyright 2014 BVLC and contributors.
+
+#include <cmath>
+#include <cstdlib>
+#include <cstring>
+#include <vector>
+
+#include "cuda_runtime.h"
+#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_gradient_check_util.hpp"
+
+#include "caffe/test/test_caffe_main.hpp"
+
+namespace caffe {
+
+extern cudaDeviceProp CAFFE_TEST_CUDA_PROP;
+
+template <typename Dtype>
+class HingeLossLayerTest : public ::testing::Test {
+ protected:
+  HingeLossLayerTest()
+      : blob_bottom_data_(new Blob<Dtype>(10, 5, 1, 1)),
+        blob_bottom_label_(new Blob<Dtype>(10, 1, 1, 1)) {
+    // fill the values
+    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_);
+  }
+  virtual ~HingeLossLayerTest() {
+    delete blob_bottom_data_;
+    delete blob_bottom_label_;
+  }
+  Blob<Dtype>* const blob_bottom_data_;
+  Blob<Dtype>* const blob_bottom_label_;
+  vector<Blob<Dtype>*> blob_bottom_vec_;
+  vector<Blob<Dtype>*> blob_top_vec_;
+};
+
+typedef ::testing::Types<float, double> Dtypes;
+TYPED_TEST_CASE(HingeLossLayerTest, Dtypes);
+
+
+TYPED_TEST(HingeLossLayerTest, TestGradientCPU) {
+  LayerParameter layer_param;
+  Caffe::set_mode(Caffe::CPU);
+  HingeLossLayer<TypeParam> layer(layer_param);
+  layer.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+  GradientChecker<TypeParam> checker(1e-2, 1e-3, 1701, 1, 0.01);
+  checker.CheckGradientSingle(&layer, &(this->blob_bottom_vec_),
+      &(this->blob_top_vec_), 0, -1, -1);
+}
+
+TYPED_TEST(HingeLossLayerTest, TestGradientGPU) {
+  LayerParameter layer_param;
+  Caffe::set_mode(Caffe::GPU);
+  HingeLossLayer<TypeParam> layer(layer_param);
+  layer.SetUp(this->blob_bottom_vec_, &this->blob_top_vec_);
+  GradientChecker<TypeParam> checker(1e-2, 1e-3, 1701, 1, 0.01);
+  checker.CheckGradientSingle(&layer, &(this->blob_bottom_vec_),
+      &(this->blob_top_vec_), 0, -1, -1);
+}
+
+}  // namespace caffe