rename Block to DynBlock and rework API to make place for
upcoming fixed-size Block matrix. Also some cleanup.
diff --git a/test/adjoint.cpp b/test/adjoint.cpp
index a862254..4b4b42f 100644
--- a/test/adjoint.cpp
+++ b/test/adjoint.cpp
@@ -93,10 +93,10 @@
 {
   REPEAT {
     adjoint(Matrix<float, 1, 1>());
-    adjoint(Matrix4cd());
+    adjoint(Matrix4d());
     adjoint(MatrixXcf(3, 3));
     adjoint(MatrixXi(8, 12));
-    adjoint(MatrixXd(20, 20));
+    adjoint(MatrixXcd(20, 20));
   }
 }