message: imgproc(test): RGB2YUV regression test
diff: @@ -3062,4 +3062,14 @@ TEST(ImgProc_BGR2RGBA, 3ch24ch)
  EXPECT_DOUBLE_EQ(cvtest::norm(expected - dst, NORM_INF), 0.);
  }
  +TEST(ImgProc_RGB2YUV, regression_13668)
  +{
  + Mat src(Size(32, 4), CV_8UC3, Scalar(9, 250, 82)); // Ensure that SIMD code path works
  + Mat dst;
  + cvtColor(src, dst, COLOR_RGB2YUV);
  + Vec3b res = dst.at<Vec3b>(0, 0);
  + Vec3b ref(159, 90, 0);
  + EXPECT_EQ(res, ref);
  +}
  +
  }} // namespace
  