diff --git a/tests/C-tests/diagonalize_matrix_typed.c b/tests/C-tests/diagonalize_matrix_typed.c
index 22901810b..d25926272 100644
--- a/tests/C-tests/diagonalize_matrix_typed.c
+++ b/tests/C-tests/diagonalize_matrix_typed.c
@@ -38,43 +38,44 @@ int TYPED_FUNC(
     LOG_DEBUG("rel. tolerance = %e\n", REL_TOL);
 
     A = bml_random_matrix(matrix_type, matrix_precision, N, M, sequential);
+    printf("A:\n");
+    bml_print_bml_matrix(A, 0, N, 0, N);
 
     A_t = bml_transpose_new(A);
     bml_add(A, A_t, 0.5, 0.5, 0.0);
-    bml_print_bml_matrix(A, 0, N, 0, N);
 
-    switch (matrix_precision)
-    {
-        case single_real:
-            eigenvalues = calloc(N, sizeof(float));
-            break;
-        case double_real:
-            eigenvalues = calloc(N, sizeof(double));
-            break;
-        case single_complex:
-            eigenvalues = calloc(N, sizeof(float complex));
-            break;
-        case double_complex:
-            eigenvalues = calloc(N, sizeof(double complex));
-            break;
-        default:
-            LOG_DEBUG("matrix_precision is not set");
-            break;
-    }
+    printf("A (symmetric):\n");
+    bml_print_bml_matrix(A, 0, N, 0, N);
 
+    eigenvalues = bml_allocate_memory(N * sizeof(REAL_T));
     eigenvectors = bml_zero_matrix(matrix_type, matrix_precision,
                                    N, M, sequential);
 
     aux1 = bml_zero_matrix(matrix_type, matrix_precision, N, M, sequential);
     aux2 = bml_zero_matrix(matrix_type, matrix_precision, N, M, sequential);
 
-    bml_print_bml_matrix(eigenvectors, 0, N, 0, N);
-
     bml_diagonalize(A, eigenvalues, eigenvectors);
 
-    printf("%s\n", "eigenvectors");
+    printf("eigenvectors:\n");
     bml_print_bml_matrix(eigenvectors, 0, N, 0, N);
 
+    printf("eigenvalues:\n");
+    for (int i = 0; i < N; i++)
+    {
+#if defined(SINGLE_REAL)
+        printf(" % 1.3f", eigenvalues[i]);
+#elif defined(SINGLE_COMPLEX)
+        printf(" % 1.3f%+1.3fi", REAL_PART(eigenvalues[i]),
+               IMAGINARY_PART(eigenvalues[i]));
+#if defined(DOUBLE_REAL)
+        printf(" % 1.3e", eigenvalues[i]);
+#elif defined(DOUBLE_COMPLEX)
+        printf(" % 1.3e%+1.3ei", REAL_PART(eigenvalues[i]),
+               IMAGINARY_PART(eigenvalues[i]));
+#endif
+    }
+    printf("\n");
+
     aux = bml_transpose_new(eigenvectors);
 
     bml_set_diagonal(aux1, eigenvalues, 0.0);