From: kanschat <kanschat@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Fri, 23 May 2014 07:59:08 +0000 (+0000)
Subject: add missing functions and fix wrong timestep
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed97ac3172bf3822a4c841aa83172319a13c726a;p=dealii-svn.git

add missing functions and fix wrong timestep

git-svn-id: https://svn.dealii.org/trunk@32971 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/include/deal.II/algorithms/theta_timestepping.h b/deal.II/include/deal.II/algorithms/theta_timestepping.h
index 0d86380de1..c7908f8cf0 100644
--- a/deal.II/include/deal.II/algorithms/theta_timestepping.h
+++ b/deal.II/include/deal.II/algorithms/theta_timestepping.h
@@ -254,7 +254,12 @@ namespace Algorithms
     /**
      * The weight between implicit and explicit part.
      */
-    const double &theta() const;
+    const double theta() const;
+
+      /**
+       * Set a new weight and return the old
+       */
+    const double theta(double new_theta);
 
     /**
      * The data handed to the #op_explicit time stepping operator.
@@ -371,6 +376,24 @@ namespace Algorithms
   {
     output = &out;
   }
+
+
+  template <class VECTOR>
+  inline
+  const double ThetaTimestepping<VECTOR>::theta () const
+  {
+    return vtheta;
+  }
+
+
+  template <class VECTOR>
+  inline
+  const double ThetaTimestepping<VECTOR>::theta (double new_theta)
+  {
+    const double tmp = vtheta;
+    vtheta = new_theta;
+    return tmp;
+  }
 }
 
 DEAL_II_NAMESPACE_CLOSE
diff --git a/deal.II/include/deal.II/algorithms/theta_timestepping.templates.h b/deal.II/include/deal.II/algorithms/theta_timestepping.templates.h
index 3e3e19c765..9d007be8a9 100644
--- a/deal.II/include/deal.II/algorithms/theta_timestepping.templates.h
+++ b/deal.II/include/deal.II/algorithms/theta_timestepping.templates.h
@@ -103,7 +103,7 @@ namespace Algorithms
     // The data provided to the inner solver
     src2.add<const VECTOR *>(aux, "Previous time");
     src2.add<const double *>(&d_implicit.time, "Time");
-    src2.add<const double *>(&d_explicit.step, "Timestep");
+    src2.add<const double *>(&d_implicit.step, "Timestep");
     src2.merge(in);
 
     if (output != 0)