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diff --git a/openEMS/FDTD/extensions/operator_ext_lorentzmaterial.h b/openEMS/FDTD/extensions/operator_ext_lorentzmaterial.h
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+/*
+* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de)
+*
+* 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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef OPERATOR_EXT_LORENTZMATERIAL_H
+#define OPERATOR_EXT_LORENTZMATERIAL_H
+
+#include "FDTD/operator.h"
+#include "operator_ext_dispersive.h"
+
+class Operator_Ext_LorentzMaterial : public Operator_Ext_Dispersive
+{
+ friend class Engine_Ext_LorentzMaterial;
+public:
+ Operator_Ext_LorentzMaterial(Operator* op);
+ virtual ~Operator_Ext_LorentzMaterial();
+
+ virtual Operator_Extension* Clone(Operator* op);
+
+ virtual bool BuildExtension();
+
+ virtual Engine_Extension* CreateEngineExtention();
+
+ virtual bool IsCylinderCoordsSave(bool closedAlpha, bool R0_included) const {UNUSED(closedAlpha); UNUSED(R0_included); return true;}
+ virtual bool IsCylindricalMultiGridSave(bool child) const {UNUSED(child); return true;}
+ virtual bool IsMPISave() const {return true;}
+
+ virtual string GetExtensionName() const {return string("Drude/Lorentz Dispersive Material Extension");}
+
+ virtual void ShowStat(ostream &ostr) const;
+
+protected:
+ //! Copy constructor
+ Operator_Ext_LorentzMaterial(Operator* op, Operator_Ext_LorentzMaterial* op_ext);
+
+ //ADE update coefficients, array setup: coeff[N_order][direction][mesh_pos_index]
+ FDTD_FLOAT ***v_int_ADE;
+ FDTD_FLOAT ***v_ext_ADE;
+ FDTD_FLOAT ***i_int_ADE;
+ FDTD_FLOAT ***i_ext_ADE;
+
+ bool *m_curr_Lor_ADE_On;
+ bool *m_volt_Lor_ADE_On;
+
+ FDTD_FLOAT ***v_Lor_ADE;
+ FDTD_FLOAT ***i_Lor_ADE;
+};
+
+#endif // OPERATOR_EXT_LORENTZMATERIAL_H