BipartiteGraphPartialColoring/BipartiteGraphPartialOrdering.h

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/************************************************************************************
    Copyright (C) 2005-2008 Assefaw H. Gebremedhin, Arijit Tarafdar, Duc Nguyen,
    Alex Pothen

    This file is part of ColPack.

    ColPack is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published
    by the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    ColPack is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with ColPack.  If not, see <http://www.gnu.org/licenses/>.
************************************************************************************/

using namespace std;

#ifndef BIPARTITEGRAPHPARTIALORDERING_H
#define BIPARTITEGRAPHPARTIALORDERING_H

#define RIGHT_PARTIAL_DISTANCE_TWO COLUMN_PARTIAL_DISTANCE_TWO
#define LEFT_PARTIAL_DISTANCE_TWO ROW_PARTIAL_DISTANCE_TWO

namespace ColPack
{
        class BipartiteGraphPartialOrdering : public BipartiteGraphInputOutput
        {
        public:

                int OrderVertices(string s_OrderingVariant = "NATURAL", string s_ColoringVariant = "COLUMN_PARTIAL_DISTANCE_TWO");

        private:

                int CheckVertexOrdering(string s_VertexOrderingVariant);

        protected:

                double m_d_OrderingTime;

                string m_s_VertexOrderingVariant;

                vector<int> m_vi_OrderedVertices;

        public:

                BipartiteGraphPartialOrdering();

                ~BipartiteGraphPartialOrdering();

                virtual void Clear();

                virtual void Reset();

                int RowNaturalOrdering();
                int ColumnNaturalOrdering();

                int RowRandomOrdering();
                int ColumnRandomOrdering();

                int RowLargestFirstOrdering();
                int ColumnLargestFirstOrdering();

                int RowSmallestLastOrdering();
                int RowSmallestLastOrdering_serial();
                int RowSmallestLastOrdering_OMP();
                int ColumnSmallestLastOrdering();
                int ColumnSmallestLastOrdering_serial();
                int ColumnSmallestLastOrdering_OMP();

                int RowIncidenceDegreeOrdering();
                int ColumnIncidenceDegreeOrdering();

                int RowDynamicLargestFirstOrdering();
                int ColumnDynamicLargestFirstOrdering();

                string GetVertexOrderingVariant();

                void GetOrderedVertices(vector<int> &output);

                void PrintVertexOrdering();
                
                double GetVertexOrderingTime();
        };
}
#endif