         if (compare_npp)
             TestEven<NPP, SampleT, 1, 1, int, LevelT, int>(num_row_pixels, num_rows, row_stride_bytes, entropy_reduction, num_levels, max_level, num_levels[0], CUB_TYPE_STRING(unsigned char));
     }
-/*
+
     {
         // HistogramEven: 4/4 multichannel Unsigned char 256 bins
         typedef unsigned char       SampleT;


        TestEven<CUB, SampleT, 1, 1, int, LevelT, int>(num_row_pixels, num_rows, row_stride_bytes, entropy_reduction, num_levels, max_level, num_levels[0], CUB_TYPE_STRING(float));
    }
*/

    {
        // HistogramEven: 3/4 multichannel float [0,1.0] 256 bins


        TestEven<CUB, SampleT, 4, 4, int, LevelT, int>(num_row_pixels, num_rows, row_stride_bytes, entropy_reduction, num_levels, max_level, num_levels[0], CUB_TYPE_STRING(unsigned char));
    }

    {
        // HistogramEven: 3/4 multichannel Unsigned char 256 bins
        typedef unsigned char       SampleT;
