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     42 //M*/
     43 
     44 #include "test_precomp.hpp"
     45 
     46 using namespace cv;
     47 using namespace cv::cuda;
     48 using namespace cv::cudev;
     49 using namespace cvtest;
     50 
     51 ////////////////////////////////////////////////////////////////////////////////
     52 // LutTest
     53 
     54 template <typename T>
     55 class LutTest : public ::testing::Test
     56 {
     57 public:
     58     void test_gpumat()
     59     {
     60         const Size size = randomSize(100, 400);
     61         const int type = DataType<T>::type;
     62 
     63         Mat src = randomMat(size, type);
     64         Mat tbl = randomMat(Size(256, 1), type);
     65 
     66         GpuMat_<T> d_src(src), d_tbl(tbl);
     67 
     68         GpuMat_<T> dst = lut_(d_src, d_tbl);
     69 
     70         Mat dst_gold;
     71         cv::LUT(src, tbl, dst_gold);
     72 
     73         EXPECT_MAT_NEAR(dst_gold, dst, 0.0);
     74     }
     75 };
     76 
     77 TYPED_TEST_CASE(LutTest, uchar);
     78 
     79 TYPED_TEST(LutTest, GpuMat)
     80 {
     81     LutTest<TypeParam>::test_gpumat();
     82 }
     83