00001 /* @HEADER@ */ 00002 /* *********************************************************************** 00003 // 00004 // TSFExtended: Trilinos Solver Framework Extended 00005 // Copyright (2004) Sandia Corporation 00006 // 00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive 00008 // license for use of this work by or on behalf of the U.S. Government. 00009 // 00010 // This library is free software; you can redistribute it and/or modify 00011 // it under the terms of the GNU Lesser General Public License as 00012 // published by the Free Software Foundation; either version 2.1 of the 00013 // License, or (at your option) any later version. 00014 // 00015 // This library is distributed in the hope that it will be useful, but 00016 // WITHOUT ANY WARRANTY; without even the implied warranty of 00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00018 // Lesser General Public License for more details. 00019 // 00020 // You should have received a copy of the GNU Lesser General Public 00021 // License along with this library; if not, write to the Free Software 00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00023 // USA 00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 00025 // 00026 // **********************************************************************/ 00027 /* @HEADER@ */ 00028 00029 #ifndef TSFROWACCESSIBLEOP_HPP 00030 #define TSFROWACCESSIBLEOP_HPP 00031 00032 #include "SundanceDefs.hpp" 00033 #include "Teuchos_Array.hpp" 00034 00035 namespace TSFExtended 00036 { 00037 /** 00038 * Base interface for operators for which a row may be extracted. 00039 */ 00040 template <class Scalar> 00041 class RowAccessibleOp 00042 { 00043 public: 00044 /** Virtual dtor */ 00045 virtual ~RowAccessibleOp(){;} 00046 00047 /** 00048 * Get the non-zero values in the row-th row. 00049 * @param row the index of the row 00050 * @param indices the column indices of the non-zero values in row row 00051 * @param values the non-zero values corresponding to the indices in indices 00052 */ 00053 virtual void getRow(const int& row, 00054 Teuchos::Array<int>& indices, 00055 Teuchos::Array<Scalar>& values) const = 0; 00056 00057 private: 00058 00059 00060 }; 00061 } 00062 00063 #endif