Epetra_LocalMap.cpp

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//               Epetra: Linear Algebra Services Package
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#include "Epetra_ConfigDefs.h"
#include "Epetra_LocalMap.h"
#include "Epetra_Comm.h"
#include <assert.h>
 
//============================================================================
#ifndef EPETRA_NO_32BIT_GLOBAL_INDICES
Epetra_LocalMap::Epetra_LocalMap(int numMyElements, int indexBase,
         const Epetra_Comm& comm)
  // LocalMap is just a special case of Map
  : Epetra_Map(numMyElements, numMyElements, indexBase, comm)
{
  SetLabel("Epetra::LocalMap");
  if (CheckInput()!=0)
    throw ReportError("Replicated Local Map not the same size on all PEs",-1);
}
#endif
//============================================================================
#ifndef EPETRA_NO_64BIT_GLOBAL_INDICES
#include <limits>
Epetra_LocalMap::Epetra_LocalMap(long long numMyElements, int indexBase,
         const Epetra_Comm& comm)
  // LocalMap is just a special case of Map
  : Epetra_Map(numMyElements, static_cast<int>(numMyElements), indexBase, comm)
{
  assert(numMyElements <= (long long) std::numeric_limits<int>::max());
  SetLabel("Epetra::LocalMap");
  if (CheckInput()!=0)
    throw ReportError("Replicated Local Map not the same size on all PEs",-1);
}
 
Epetra_LocalMap::Epetra_LocalMap(long long numMyElements, long long indexBase,
         const Epetra_Comm& comm)
  // LocalMap is just a special case of Map
  : Epetra_Map(numMyElements, static_cast<int>(numMyElements), indexBase, comm)
{
  assert(numMyElements <= (long long) std::numeric_limits<int>::max());
  SetLabel("Epetra::LocalMap");
  if (CheckInput()!=0)
    throw ReportError("Replicated Local Map not the same size on all PEs",-1);
}
#endif
//============================================================================
Epetra_LocalMap::Epetra_LocalMap(const Epetra_LocalMap& map)
  : Epetra_Map(map)
{
  if (CheckInput()!=0)
    throw ReportError("Replicated Local Map not the same size on all PEs",-1);
}
 
//============================================================================
int Epetra_LocalMap::CheckInput() {
  int * tmp = new int[4];
  tmp[0] = NumMyElements();
  tmp[1] = - NumMyElements();
  Comm().MaxAll(tmp, tmp+2, 2);
 
  int tmp1 = tmp[2]; // Max of all NumMyElements across all processors
  int tmp2 = - tmp[3]; // Min of all ...
  delete [] tmp;
 
  if (tmp1==tmp2)
    return(0);
  else
    return(-1);
}
//=========================================================================
Epetra_LocalMap::~Epetra_LocalMap()
{
}
//=============================================================================
Epetra_LocalMap & Epetra_LocalMap::operator= (const Epetra_LocalMap& map) {
  if(this != &map)
    Epetra_BlockMap::operator=(map); // call this->Epetra_BlockMap::operator=
  return(*this);
}