fix yolobox_cuda_test (#2208)

fix yolobox_cuda test precision error

lite/kernels/cuda/yolo_box_compute_test.cc

@@ -89,7 +89,7 @@ inline static void calc_label_score(float* scores,
 
 template <typename T>
 static void YoloBoxRef(const T* input,
-                       const T* imgsize,
+                       const int* imgsize,
                        T* boxes,
                        T* scores,
                        const float conf_thresh,
@@ -106,8 +106,8 @@ static void YoloBoxRef(const T* input,
   float box[4];
 
   for (int i = 0; i < n; i++) {
-    int img_height = static_cast<int>(imgsize[2 * i]);
-    int img_width = static_cast<int>(imgsize[2 * i + 1]);
+    int img_height = imgsize[2 * i];
+    int img_width = imgsize[2 * i + 1];
 
     for (int j = 0; j < an_num; j++) {
       for (int k = 0; k < h; k++) {
@@ -184,12 +184,12 @@ TEST(yolo_box, normal) {
   auto* scores_data = scores.mutable_data<float>(TARGET(kCUDA));
 
   float* x_cpu_data = x_cpu.mutable_data<float>();
-  float* sz_cpu_data = sz_cpu.mutable_data<float>();
+  int* sz_cpu_data = sz_cpu.mutable_data<int>();
   float* boxes_cpu_data = boxes_cpu.mutable_data<float>();
   float* scores_cpu_data = scores_cpu.mutable_data<float>();
 
   float* x_ref_data = x_ref.mutable_data<float>();
-  float* sz_ref_data = sz_ref.mutable_data<float>();
+  int* sz_ref_data = sz_ref.mutable_data<int>();
   float* boxes_ref_data = boxes_ref.mutable_data<float>();
   float* scores_ref_data = scores_ref.mutable_data<float>();
 
@@ -203,7 +203,7 @@ TEST(yolo_box, normal) {
   sz_ref_data[1] = 32;
 
   x.Assign<float, lite::DDim, TARGET(kCUDA)>(x_cpu_data, x_cpu.dims());
-  sz.Assign<float, lite::DDim, TARGET(kCUDA)>(sz_cpu_data, sz_cpu.dims());
+  sz.Assign<int, lite::DDim, TARGET(kCUDA)>(sz_cpu_data, sz_cpu.dims());
 
   param.X = &x;
   param.ImgSize = &sz;