Changed factories.array to DNDarray

heat/core/linalg/qr.py

@@ -105,8 +105,24 @@ def qr(
         except AttributeError:
             q, r = a.larray.qr(some=False)
 
-        q = factories.array(q, device=a.device, comm=a.comm)
-        r = factories.array(r, device=a.device, comm=a.comm)
+        q = DNDarray(
+            q,
+            gshape=q.shape,
+            dtype=a.dtype,
+            split=a.split,
+            device=a.device,
+            comm=a.comm,
+            balanced=True,
+        )
+        r = DNDarray(
+            r,
+            gshape=r.shape,
+            dtype=a.dtype,
+            split=a.split,
+            device=a.device,
+            comm=a.comm,
+            balanced=True,
+        )
         ret = QR(q if calc_q else None, r)
         return ret
     # =============================== Prep work ====================================================

heat/core/linalg/svdtools.py

@@ -446,9 +446,27 @@ def hsvd(
     A.comm.Bcast(U_loc, root=0)
     # separate U_loc and err_squared_loc again
     err_squared_loc = U_loc[-1, 0]
-    U = factories.array(U_loc[:-1], device=A.device, split=None, comm=A.comm)
+    U_shape = U_loc[:-1].shape
+    U = DNDarray(
+        U_loc[:-1],
+        gshape=U_shape,
+        dtype=A.dtype,
+        device=A.device,
+        split=None,
+        comm=A.comm,
+        balanced=True,
+    )
     rel_error_estimate = (
-        factories.array(err_squared_loc**0.5, device=A.device, split=None, comm=A.comm) / Anorm
+        DNDarray(
+            err_squared_loc**0.5,
+            gshape=err_squared_loc.shape,
+            dtype=A.dtype,
+            device=A.device,
+            split=None,
+            comm=A.comm,
+            balanced=True,
+        )
+        / Anorm
     )
 
     # Postprocessing: