Optimized version of 32F Norm function demands bigger MaxErr value, because it…

Optimized version of 32F Norm function demands bigger MaxErr value, because it calculates norm in floats instead of double.

modules/core/test/test_arithm.cpp

@@ -1246,7 +1246,11 @@ struct NormOp : public BaseElemWiseOp
     }
     double getMaxErr(int)
     {
-        return 1e-6;
+#ifdef HAVE_TEGRA_OPTIMIZATION
+		return 2e-6;
+#else
+		return 1e-6;
+#endif
     }
     int normType;
 };        
@@ -1341,11 +1345,11 @@ TEST_P(ElemWiseTest, accuracy)
         
         double maxErr = op->getMaxErr(depth);
         vector<int> pos;
-        ASSERT_PRED_FORMAT2(cvtest::MatComparator(maxErr, op->context), dst0, dst) << "\nsrc[0] ~ " << cvtest::MatInfo(!src.empty() ? src[0] : Mat()) << "\ntestCase #" << testIdx << "\n";
+		ASSERT_PRED_FORMAT2(cvtest::MatComparator(maxErr, op->context), dst0, dst) << "\nsrc[0] ~ " << cvtest::MatInfo(!src.empty() ? src[0] : Mat()) << "\ntestCase #" << testIdx << "\n";
     }
 }
 
-
+ 
 INSTANTIATE_TEST_CASE_P(Core_Copy, ElemWiseTest, ::testing::Values(ElemWiseOpPtr(new cvtest::CopyOp)));
 INSTANTIATE_TEST_CASE_P(Core_Set, ElemWiseTest, ::testing::Values(ElemWiseOpPtr(new cvtest::SetOp)));
 INSTANTIATE_TEST_CASE_P(Core_SetZero, ElemWiseTest, ::testing::Values(ElemWiseOpPtr(new cvtest::SetZeroOp)));