add missing Asserts in is_symmetric() and is_hermitian()

diff --git a/source/lac/petsc_matrix_base.cc b/source/lac/petsc_matrix_base.cc
index 7f5b0d78d37c51ab8df3d3c3ecc8c71d51355693..cea675dfb9dc2ada9faf7fdbed6e32c825ff2581 100644 (file)
--- a/source/lac/petsc_matrix_base.cc
+++ b/source/lac/petsc_matrix_base.cc
@@ -578,7 +578,9 @@ namespace PETScWrappers
 #endif
     truth;
     assert_is_compressed ();
-    MatIsSymmetric (matrix, tolerance, &truth);
+    int ierr = MatIsSymmetric (matrix, tolerance, &truth);
+    (void)ierr;
+    AssertThrow (ierr == 0, ExcPETScError(ierr));
     return truth;
   }
 
@@ -597,7 +599,9 @@ namespace PETScWrappers
     truth;
 
     assert_is_compressed ();
-    MatIsHermitian (matrix, tolerance, &truth);
+    int ierr = MatIsHermitian (matrix, tolerance, &truth);
+    (void)ierr;
+    AssertThrow (ierr == 0, ExcPETScError(ierr));
 
     return truth;
   }