FEI Version of the Day
fei_GraphReducer.cpp
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 #include <fei_macros.hpp>
00045 
00046 #include <fei_GraphReducer.hpp>
00047 #include <fei_TemplateUtils.hpp>
00048 #include <fei_VectorSpace.hpp>
00049 
00050 #undef fei_file
00051 #define fei_file "fei_GraphReducer.cpp"
00052 #include <fei_ErrMacros.hpp>
00053 
00054 //----------------------------------------------------------------------------
00055 fei::GraphReducer::GraphReducer(fei::SharedPtr<fei::Reducer> reducer,
00056                               fei::SharedPtr<fei::Graph> target)
00057   : reducer_(reducer),
00058     target_(target)
00059 {
00060 }
00061 
00062 //----------------------------------------------------------------------------
00063 fei::GraphReducer::~GraphReducer()
00064 {
00065 }
00066 
00067 //----------------------------------------------------------------------------
00068 int fei::GraphReducer::addIndices(int row, int len, const int* indices)
00069 {
00070   reducer_->addGraphIndices(1, &row, len, indices, *target_);
00071   return(0);
00072 }
00073 
00074 //----------------------------------------------------------------------------
00075 int fei::GraphReducer::addSymmetricIndices(int numIndices, int* indices,
00076                                          bool diagonal)
00077 {
00078   reducer_->addSymmetricGraphIndices(numIndices, indices, diagonal, *target_);
00079   return(0);
00080 }
00081 
00082 //----------------------------------------------------------------------------
00083 int fei::GraphReducer::writeLocalGraph(FEI_OSTREAM& os, bool debug,
00084             bool prefixLinesWithPoundSign)
00085 {
00086   return(target_->writeLocalGraph(os, debug, prefixLinesWithPoundSign));
00087 }
00088 
00089 //----------------------------------------------------------------------------
00090 int fei::GraphReducer::writeRemoteGraph(FEI_OSTREAM& os)
00091 {
00092   return(target_->writeRemoteGraph(os));
00093 }
00094 
00095 //----------------------------------------------------------------------------
00096 int fei::GraphReducer::gatherFromOverlap()
00097 {
00098   reducer_->assembleReducedGraph(target_.get(), false);
00099   return(target_->gatherFromOverlap());
00100 }
00101 
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Friends