00001 /* @HEADER@ */ 00002 // ************************************************************************ 00003 // 00004 // Sundance 00005 // Copyright (2005) Sandia Corporation 00006 // 00007 // Copyright (year first published) Sandia Corporation. Under the terms 00008 // of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government 00009 // retains certain rights in this software. 00010 // 00011 // This library is free software; you can redistribute it and/or modify 00012 // it under the terms of the GNU Lesser General Public License as 00013 // published by the Free Software Foundation; either version 2.1 of the 00014 // License, or (at your option) any later version. 00015 // 00016 // This library is distributed in the hope that it will be useful, but 00017 // WITHOUT ANY WARRANTY; without even the implied warranty of 00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00019 // Lesser General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU Lesser General Public 00022 // License along with this library; if not, write to the Free Software 00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00024 // USA 00025 // Questions? Contact Kevin Long (krlong@sandia.gov), 00026 // Sandia National Laboratories, Livermore, California, USA 00027 // 00028 // ************************************************************************ 00029 /* @HEADER@ */ 00030 00031 #ifndef SUNDANCE_CTOAINTERPOLATOR_H 00032 #define SUNDANCE_CTOAINTERPOLATOR_H 00033 00034 #include "SundanceDefs.hpp" 00035 #include "SundanceMesh.hpp" 00036 #include "SundanceExpr.hpp" 00037 #include "SundanceDiscreteFunction.hpp" 00038 #include "SundanceDiscreteSpace.hpp" 00039 #include "SundanceAToCPointLocator.hpp" 00040 00041 namespace Sundance 00042 { 00043 using namespace Teuchos; 00044 using namespace Playa; 00045 00046 /** 00047 * CToAInterpolator interpolates a discrete function at particle positions 00048 * 00049 * Note: not tested in parallel. 00050 */ 00051 class CToAInterpolator 00052 { 00053 public: 00054 /** */ 00055 CToAInterpolator(const AToCPointLocator& locator, 00056 const Expr& field); 00057 00058 /** */ 00059 void interpolate(const Teuchos::Array<double>& positions, 00060 Teuchos::Array<double>& results) const ; 00061 00062 00063 00064 /** */ 00065 void interpolate(const std::vector<double>& positions, 00066 std::vector<double>& results) const 00067 { 00068 Teuchos::Array<double> in(positions.size()); 00069 for (int i=0; i<in.size(); i++) in[i] = positions[i]; 00070 Teuchos::Array<double> out; 00071 interpolate(in, out); 00072 for (int i=0; i<out.size(); i++) results[i] = out[i]; 00073 } 00074 00075 /** */ 00076 void updateField(const Expr& field) ; 00077 00078 00079 private: 00080 00081 int dim_; 00082 int nFacets_; 00083 int rangeDim_; 00084 RCP<Array<double> > elemToVecValuesMap_; 00085 AToCPointLocator locator_; 00086 }; 00087 } 00088 00089 00090 #endif