Ifpack2 Templated Preconditioning Package  Version 1.0
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Ifpack2_Details_UserPartitioner_def.hpp
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00004 //       Ifpack2: Tempated Object-Oriented Algebraic Preconditioner Package
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00042 
00043 #ifndef IFPACK2_USER_PARTITIONER_DEF_HPP
00044 #define IFPACK2_USER_PARTITIONER_DEF_HPP
00045 
00046 #include <Ifpack2_ConfigDefs.hpp>
00047 #include <Ifpack2_Details_UserPartitioner_decl.hpp>
00048 #include <Ifpack2_OverlappingPartitioner.hpp>
00049 
00050 namespace Ifpack2 {
00051 namespace Details {
00052 
00053 template<class GraphType>
00054 UserPartitioner<GraphType>::
00055 UserPartitioner (const Teuchos::RCP<const row_graph_type>& graph) :
00056   OverlappingPartitioner<GraphType> (graph)
00057 {}
00058 
00059 template<class GraphType>
00060 UserPartitioner<GraphType>::~UserPartitioner() {}
00061 
00062 template<class GraphType>
00063 void 
00064 UserPartitioner<GraphType>::
00065 setPartitionParameters (Teuchos::ParameterList& List)
00066 {
00067   map_ = List.get ("partitioner: map", map_);
00068   TEUCHOS_TEST_FOR_EXCEPTION(
00069     map_.is_null (), std::runtime_error, "Ifpack2::UserPartitioner::"
00070     "computePartitions: Map_ is null.");
00071 }
00072 
00073 template<class GraphType>
00074 void UserPartitioner<GraphType>::computePartitions ()
00075 {
00076   TEUCHOS_TEST_FOR_EXCEPTION(
00077     map_.is_null (), std::logic_error, "Ifpack2::UserPartitioner::"
00078     "computePartitions: Map_ is null.");
00079 
00080   const size_t localNumRows = this->Graph_->getNodeNumRows ();
00081   for (size_t ii = 0; ii < localNumRows; ++ii) {
00082     this->Partition_[ii] = map_[ii];
00083   }
00084   // IGNORING ALL THE SINGLETON STUFF IN IFPACK_USERPARTITIONER.CPP BY
00085   // ORDERS OF CHRIS SIEFERT
00086 }
00087 
00088 }// namespace Details
00089 }// namespace Ifpack2
00090 
00091 #endif // IFPACK2_USERPARTITIONER_DEF_HPP
00092 
00093 
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