From: Luca Heltai <luca.heltai@sissa.it>
Date: Fri, 6 Apr 2018 16:42:55 +0000 (+0200)
Subject: Make step-53 compatible with the new interface.
X-Git-Tag: v9.0.0-rc1~196^2~5
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=94063ee511974a69659e4f5d4871351855309ca3;p=dealii.git

Make step-53 compatible with the new interface.
---

diff --git a/examples/step-53/step-53.cc b/examples/step-53/step-53.cc
index d0a0b56082..eb20352517 100644
--- a/examples/step-53/step-53.cc
+++ b/examples/step-53/step-53.cc
@@ -210,11 +210,13 @@ namespace Step53
   public:
     virtual
     Point<3>
-    pull_back(const Point<3> &space_point) const;
+    pull_back(const Point<3> &space_point) const override;
 
     virtual
     Point<3>
-    push_forward(const Point<3> &chart_point) const;
+    push_forward(const Point<3> &chart_point) const override;
+
+    virtual std::unique_ptr<Manifold<3,3> > clone() const override;
 
   private:
     static const double    R;
@@ -251,6 +253,15 @@ namespace Step53
   }
 
 
+  // This function is required by the interface of the Manifold base
+  // class, and allows you to clone the AfricaGeometry class:
+  std::unique_ptr<Manifold<3,3> >
+  AfricaGeometry::clone() const
+  {
+    return std::unique_ptr<Manifold<3,3> >(new AfricaGeometry());
+  }
+
+
   // The following two functions then define the forward and inverse
   // transformations that correspond to the WGS 84 reference shape of
   // Earth. The forward transform follows the formula shown in the