core: fix mat matx multiplication

2019-02-28 11:28:38 +01:00
parent 5fd47352cf
commit 20afae5a14
2 changed files with 18 additions and 2 deletions
@@ -2001,6 +2001,22 @@ TEST(Core_Vectors, issue_13078_workaround)
    ASSERT_EQ(7, ints[3]);
 }

+TEST(Core_MatExpr, issue_13926)
+{
+    Mat M1 = (Mat_<double>(4,4,CV_64FC1) << 1, 2, 3, 4,
+                                           5, 6, 7, 8,
+                                           9, 10, 11, 12,
+                                           13, 14, 15, 16);
+
+    Matx44d M2(1, 2, 3, 4,
+               5, 6, 7, 8,
+               9, 10, 11, 12,
+               13, 14, 15, 16);
+
+    EXPECT_GE(1e-6, cvtest::norm(M1*M2, M1*M1, NORM_INF)) << Mat(M1*M2) << std::endl << Mat(M1*M1);
+    EXPECT_GE(1e-6, cvtest::norm(M2*M1, M2*M2, NORM_INF)) << Mat(M2*M1) << std::endl << Mat(M2*M2);
+}
+

 #ifdef HAVE_EIGEN
 TEST(Core_Eigen, eigen2cv_check_Mat_type)