Epetra Package Browser (Single Doxygen Collection) Development
Epetra_LocalMap.cpp
Go to the documentation of this file.
00001 
00002 //@HEADER
00003 // ************************************************************************
00004 // 
00005 //               Epetra: Linear Algebra Services Package 
00006 //                 Copyright 2001 Sandia Corporation
00007 // 
00008 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
00009 // the U.S. Government retains certain rights in this software.
00010 //
00011 // Redistribution and use in source and binary forms, with or without
00012 // modification, are permitted provided that the following conditions are
00013 // met:
00014 //
00015 // 1. Redistributions of source code must retain the above copyright
00016 // notice, this list of conditions and the following disclaimer.
00017 //
00018 // 2. Redistributions in binary form must reproduce the above copyright
00019 // notice, this list of conditions and the following disclaimer in the
00020 // documentation and/or other materials provided with the distribution.
00021 //
00022 // 3. Neither the name of the Corporation nor the names of the
00023 // contributors may be used to endorse or promote products derived from
00024 // this software without specific prior written permission.
00025 //
00026 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
00027 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00028 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
00029 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
00030 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00031 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00032 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00033 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00034 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00035 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00036 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 //
00038 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00039 // 
00040 // ************************************************************************
00041 //@HEADER
00042 
00043 #include "Epetra_LocalMap.h"
00044 #include "Epetra_Comm.h"
00045 
00046 //============================================================================
00047 Epetra_LocalMap::Epetra_LocalMap(int NumMyElements, int IndexBase, 
00048                                  const Epetra_Comm& Comm)
00049   // LocalMap is just a special case of Map
00050   : Epetra_Map(NumMyElements, NumMyElements, IndexBase, Comm) 
00051 {
00052   SetLabel("Epetra::LocalMap");
00053   if (CheckInput()!=0)
00054     throw ReportError("Replicated Local Map not the same size on all PEs",-1);
00055 }
00056 //============================================================================
00057 Epetra_LocalMap::Epetra_LocalMap(const Epetra_LocalMap& map)
00058   : Epetra_Map(map) 
00059 {
00060   if (CheckInput()!=0)
00061     throw ReportError("Replicated Local Map not the same size on all PEs",-1);
00062 }
00063  
00064 //============================================================================
00065 int Epetra_LocalMap::CheckInput() {
00066   int * tmp = new int[4];
00067   tmp[0] = NumMyElements();
00068   tmp[1] = - NumMyElements();
00069   Comm().MaxAll(tmp, tmp+2, 2);
00070 
00071   int tmp1 = tmp[2]; // Max of all NumMyElements across all processors
00072   int tmp2 = - tmp[3]; // Min of all ...
00073   delete [] tmp;
00074 
00075   if (tmp1==tmp2) 
00076     return(0);
00077   else 
00078     return(-1);
00079 }
00080 //=========================================================================
00081 Epetra_LocalMap::~Epetra_LocalMap()
00082 {
00083 }
00084 //=============================================================================
00085 Epetra_LocalMap & Epetra_LocalMap::operator= (const Epetra_LocalMap& map) {
00086   if(this != &map)
00087     Epetra_BlockMap::operator=(map); // call this->Epetra_BlockMap::operator=
00088   return(*this);
00089 }
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Defines