From f31942b3d41f8ec96f2409791860b79fe3e3af23 Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Wed, 4 Apr 2012 07:06:33 +0000
Subject: [PATCH] Patch by Jason Sheldon: Generalize FESystem::clone.

git-svn-id: https://svn.dealii.org/trunk@25381 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/source/fe/fe_system.cc | 46 ++++++----------------------------
 1 file changed, 7 insertions(+), 39 deletions(-)

diff --git a/deal.II/source/fe/fe_system.cc b/deal.II/source/fe/fe_system.cc
index 9fee64915c..f5e91881ae 100644
--- a/deal.II/source/fe/fe_system.cc
+++ b/deal.II/source/fe/fe_system.cc
@@ -386,47 +386,15 @@ template <int dim, int spacedim>
 FiniteElement<dim,spacedim>*
 FESystem<dim,spacedim>::clone() const
 {
-  switch (this->n_base_elements())
+  std::vector< const FiniteElement<dim,spacedim>* >  fes;
+  std::vector<unsigned int> multiplicities;
+
+  for (unsigned int i=0; i<this->n_base_elements(); i++)
     {
-    case 1:
-      return new FESystem(base_element(0),
-                          this->element_multiplicity(0));
-    case 2:
-      return new FESystem(base_element(0),
-                          this->element_multiplicity(0),
-                          base_element(1),
-                          this->element_multiplicity(1));
-    case 3:
-      return new FESystem(base_element(0),
-                          this->element_multiplicity(0),
-                          base_element(1),
-                          this->element_multiplicity(1),
-                          base_element(2),
-                          this->element_multiplicity(2));
-    case 4:
-      return new FESystem(base_element(0),
-                          this->element_multiplicity(0),
-                          base_element(1),
-                          this->element_multiplicity(1),
-                          base_element(2),
-                          this->element_multiplicity(2),
-                          base_element(3),
-                          this->element_multiplicity(3));
-    case 5:
-      return new FESystem(base_element(0),
-                          this->element_multiplicity(0),
-                          base_element(1),
-                          this->element_multiplicity(1),
-                          base_element(2),
-                          this->element_multiplicity(2),
-                          base_element(3),
-                          this->element_multiplicity(3),
-                          base_element(4),
-                          this->element_multiplicity(4));
-      default:
-                          Assert(false, ExcNotImplemented());
+      fes.push_back( & base_element(i) );
+      multiplicities.push_back(this->element_multiplicity(i) );
     }
-  return 0;
+  return new FESystem<dim>(fes, multiplicities);
 }
 
 
-- 
2.39.5