FEI Version of the Day
fei_VectorTraits_FillableVec.hpp
00001 /*
00002 // @HEADER
00003 // ************************************************************************
00004 //             FEI: Finite Element Interface to Linear Solvers
00005 //                  Copyright (2005) Sandia Corporation.
00006 //
00007 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, the
00008 // U.S. Government retains certain rights in this software.
00009 //
00010 // Redistribution and use in source and binary forms, with or without
00011 // modification, are permitted provided that the following conditions are
00012 // met:
00013 //
00014 // 1. Redistributions of source code must retain the above copyright
00015 // notice, this list of conditions and the following disclaimer.
00016 //
00017 // 2. Redistributions in binary form must reproduce the above copyright
00018 // notice, this list of conditions and the following disclaimer in the
00019 // documentation and/or other materials provided with the distribution.
00020 //
00021 // 3. Neither the name of the Corporation nor the names of the
00022 // contributors may be used to endorse or promote products derived from
00023 // this software without specific prior written permission.
00024 //
00025 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
00026 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00027 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00028 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
00029 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00030 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00031 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00032 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00033 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00034 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00035 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00036 //
00037 // Questions? Contact Alan Williams (william@sandia.gov) 
00038 //
00039 // ************************************************************************
00040 // @HEADER
00041 */
00042 
00043 
00044 #ifndef _fei_VectorTraits_FillableVec_hpp_
00045 #define _fei_VectorTraits_FillableVec_hpp_
00046 
00047 #include <fei_VectorTraits.hpp>
00048 #include <fei_FillableVec.hpp>
00049 
00050 namespace fei {
00051   template<>
00052   struct VectorTraits<FillableVec> {
00053     static const char* typeName()
00054       { return("FillableVec"); }
00055     
00056     static int setValues(FillableVec* vec, int firstLocalOffset,
00057                          double scalar, bool isSolnVector=false)
00058       {
00059         vec->setValues(scalar);
00060         return(0);
00061       }
00062 
00063     static int putValuesIn(FillableVec* vec,
00064                      int firstLocalOffset,
00065                      int numValues, const int* indices, const double* values,
00066                      bool sum_into,
00067                      bool isSolnVector=false,
00068                      int vectorIndex=0)
00069       {
00070         if (sum_into) {
00071           for(int i=0; i<numValues; ++i) {
00072             if (indices[i] < 0) continue;
00073             vec->addEntry(indices[i], values[i]);
00074           }
00075         }
00076         else {
00077           for(int i=0; i<numValues; ++i) {
00078             if (indices[i] < 0) continue;
00079             vec->putEntry(indices[i], values[i]);
00080           }
00081         }
00082 
00083         return( 0 );
00084       }
00085 
00086     static int copyOut(FillableVec* vec,
00087                        int firstLocalOffset,
00088                        int numValues, const int* indices, double* values,
00089                        bool isSolnVector=false,
00090                        int vectorIndex=0)
00091       {
00092         for(int i=0; i<numValues; ++i) {
00093           try {
00094             values[i] = vec->getEntry(indices[i]);
00095           }
00096           catch(...) {}
00097         }
00098         return(0);
00099       }
00100 
00101     static int update(FillableVec* vec,
00102                       double a,
00103                       const FillableVec* x,
00104                       double b)
00105     { return(-1); }
00106 
00107   };
00108 }//namespace fei
00109 
00110 #endif // _fei_VectorTraits_FillableVec_hpp_
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Friends