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diff --git a/src/functors/analytical/analyticalBaseF.hh b/src/functors/analytical/analyticalBaseF.hh
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+++ b/src/functors/analytical/analyticalBaseF.hh
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+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2012 Lukas Baron, Tim Dornieden, Mathias J. Krause, Albert Mink
+ *  E-mail contact: info@openlb.net
+ *  The most recent release of OpenLB can be downloaded at
+ *  <http://www.openlb.net/>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public
+ *  License along with this program; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+*/
+
+#ifndef ANALYTICAL_BASE_F_HH
+#define ANALYTICAL_BASE_F_HH
+
+#include "analyticalBaseF.h"
+
+namespace olb {
+
+
+template <typename T, typename S>
+AnalyticalF1D<T,S>::AnalyticalF1D(int n) : GenericF<T,S>(n,1) { }
+
+template <typename T, typename S>
+AnalyticalF2D<T,S>::AnalyticalF2D(int n) : GenericF<T,S>(n,2) { }
+
+template <typename T, typename S>
+AnalyticalF3D<T,S>::AnalyticalF3D(int n) : GenericF<T,S>(n,3) { }
+
+
+// identity to "store results"
+template <typename T, typename S>
+AnalyticalIdentity1D<T,S>::AnalyticalIdentity1D(AnalyticalF1D<T,S>& f)
+  : AnalyticalF1D<T,S>(f.getTargetDim()), _f(f)
+{
+  this->getName() = _f.getName();
+  std::swap( _f._ptrCalcC, this->_ptrCalcC );
+}
+
+template <typename T, typename S>
+bool AnalyticalIdentity1D<T,S>::operator()(T output[], const S input[])
+{
+  _f(output,input);
+  return true;
+}
+
+
+// identity to "store results"
+template <typename T, typename S>
+AnalyticalIdentity2D<T,S>::AnalyticalIdentity2D(AnalyticalF2D<T,S>& f)
+  : AnalyticalF2D<T,S>(f.getTargetDim()), _f(f)
+{
+  this->getName() = _f.getName();
+  // pass through the shared_ptr from _f, e.g. an arithemticClass, to the identity
+  std::swap( _f._ptrCalcC, this->_ptrCalcC );
+}
+
+template <typename T, typename S>
+bool AnalyticalIdentity2D<T,S>::operator()(T output[], const S input[])
+{
+  _f(output,input);
+  return true;
+}
+
+
+// identity to "store results"
+template <typename T, typename S>
+AnalyticalIdentity3D<T,S>::AnalyticalIdentity3D(AnalyticalF3D<T,S>& f)
+  : AnalyticalF3D<T,S>(f.getTargetDim()), _f(f)
+{
+  this->getName() = _f.getName();
+  std::swap( _f._ptrCalcC, this->_ptrCalcC );
+}
+
+template <typename T, typename S>
+bool AnalyticalIdentity3D<T,S>::operator()(T output[], const S input[])
+{
+  _f(output,input);
+  return true;
+}
+
+
+
+template <typename T, typename S>
+AnalyticalFfromIndicatorF3D<T, S>::AnalyticalFfromIndicatorF3D(IndicatorF3D<T>& indicatorF)
+  : AnalyticalF3D<T,S>(1), _indicatorF(indicatorF)
+{
+  this->getName() = "IndicatorFfrom" + _indicatorF.getName();
+}
+
+template <typename T, typename S>
+bool AnalyticalFfromIndicatorF3D<T, S>::operator() (T output[], const S input[])
+{
+  bool tmp = false;
+  _indicatorF(&tmp, input);
+  if ( tmp ) {
+    output[0] = T(1);
+  } else {
+    output[0] = T(0);
+  }
+  return tmp;
+}
+
+
+
+} // end namespace olb
+
+#endif