EpetraExt_MapColoring.h

Go to the documentation of this file.

//@HEADER
// ***********************************************************************
//
//     EpetraExt: Epetra Extended - Linear Algebra Services Package
//                 Copyright (2011) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@HEADER
 
#ifndef EpetraExt_CRSGRAPH_MAPCOLORING_H
#define EpetraExt_CRSGRAPH_MAPCOLORING_H
 
#if defined(EpetraExt_SHOW_DEPRECATED_WARNINGS)
#ifdef __GNUC__
#warning "The EpetraExt package is deprecated"
#endif
#endif
 
#include <EpetraExt_Transform.h>
 
class Epetra_CrsGraph;
class Epetra_MapColoring;
 
namespace EpetraExt {
 
 
class CrsGraph_MapColoring : public StructuralTransform<Epetra_CrsGraph,Epetra_MapColoring>
{
 
 public:
 
  enum ColoringAlgorithm{ GREEDY, LUBY, JONES_PLASSMAN, PSEUDO_PARALLEL  };
 
 
  ~CrsGraph_MapColoring() {}
 
 
  CrsGraph_MapColoring( ColoringAlgorithm algo = GREEDY,
                        int reordering = 0,
                        bool distance1 = false,
                        int verbosity = 0 )
  : algo_(algo),
    reordering_(reordering),
    distance1_(distance1),
    verbosity_(verbosity)
  {}
 
 
  CrsGraph_MapColoring::NewTypeRef operator()( CrsGraph_MapColoring::OriginalTypeRef orig );
 
 private:
 
 
  const ColoringAlgorithm algo_;
 
  const int reordering_;
  const bool distance1_;
 
  const int verbosity_;
 
  template<typename int_type>
  CrsGraph_MapColoring::NewTypeRef Toperator( CrsGraph_MapColoring::OriginalTypeRef orig );
};
 
} //namespace EpetraExt
 
#endif //EpetraExt_CRSGRAPH_MAPCOLORING_H