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Epetra_LocalMap.cpp
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00005 //               Epetra: Linear Algebra Services Package
00006 //                 Copyright 2011 Sandia Corporation
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00042 
00043 #include "Epetra_ConfigDefs.h"
00044 #include "Epetra_LocalMap.h"
00045 #include "Epetra_Comm.h"
00046 #include <assert.h>
00047 
00048 //============================================================================
00049 #ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
00050 Epetra_LocalMap::Epetra_LocalMap(int numMyElements, int indexBase,
00051          const Epetra_Comm& comm)
00052   // LocalMap is just a special case of Map
00053   : Epetra_Map(numMyElements, numMyElements, indexBase, comm)
00054 {
00055   SetLabel("Epetra::LocalMap");
00056   if (CheckInput()!=0)
00057     throw ReportError("Replicated Local Map not the same size on all PEs",-1);
00058 }
00059 #endif
00060 //============================================================================
00061 #ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
00062 #include <limits>
00063 Epetra_LocalMap::Epetra_LocalMap(long long numMyElements, int indexBase,
00064          const Epetra_Comm& comm)
00065   // LocalMap is just a special case of Map
00066   : Epetra_Map(numMyElements, static_cast<int>(numMyElements), indexBase, comm)
00067 {
00068   assert(numMyElements <= (long long) std::numeric_limits<int>::max());
00069   SetLabel("Epetra::LocalMap");
00070   if (CheckInput()!=0)
00071     throw ReportError("Replicated Local Map not the same size on all PEs",-1);
00072 }
00073 
00074 Epetra_LocalMap::Epetra_LocalMap(long long numMyElements, long long indexBase,
00075          const Epetra_Comm& comm)
00076   // LocalMap is just a special case of Map
00077   : Epetra_Map(numMyElements, static_cast<int>(numMyElements), indexBase, comm)
00078 {
00079   assert(numMyElements <= (long long) std::numeric_limits<int>::max());
00080   SetLabel("Epetra::LocalMap");
00081   if (CheckInput()!=0)
00082     throw ReportError("Replicated Local Map not the same size on all PEs",-1);
00083 }
00084 #endif
00085 //============================================================================
00086 Epetra_LocalMap::Epetra_LocalMap(const Epetra_LocalMap& map)
00087   : Epetra_Map(map)
00088 {
00089   if (CheckInput()!=0)
00090     throw ReportError("Replicated Local Map not the same size on all PEs",-1);
00091 }
00092 
00093 //============================================================================
00094 int Epetra_LocalMap::CheckInput() {
00095   int * tmp = new int[4];
00096   tmp[0] = NumMyElements();
00097   tmp[1] = - NumMyElements();
00098   Comm().MaxAll(tmp, tmp+2, 2);
00099 
00100   int tmp1 = tmp[2]; // Max of all NumMyElements across all processors
00101   int tmp2 = - tmp[3]; // Min of all ...
00102   delete [] tmp;
00103 
00104   if (tmp1==tmp2)
00105     return(0);
00106   else
00107     return(-1);
00108 }
00109 //=========================================================================
00110 Epetra_LocalMap::~Epetra_LocalMap()
00111 {
00112 }
00113 //=============================================================================
00114 Epetra_LocalMap & Epetra_LocalMap::operator= (const Epetra_LocalMap& map) {
00115   if(this != &map)
00116     Epetra_BlockMap::operator=(map); // call this->Epetra_BlockMap::operator=
00117   return(*this);
00118 }
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