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Location: LEMON/LEMON-main/lemon/lp.h

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deba@inf.elte.hu
Thorough redesign of the LP/MIP interface (#44) - Redesigned class structure - Redesigned iterators - Some functions in the basic interface redesigned - More complete setting functions - Ray retrieving functions - Lot of improvements - Cplex common env - CLP macro definition to config.h.in - Update lp.h to also use soplex and clp - Remove default_solver_name - New solverName() function in solvers - Handle exceptions for MipCplex test - Rename tolerance parameter to epsilon - Rename MapIt to CoeffIt - Lot of documentation improvements - Various bugfixes
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/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2008

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */



#ifndef LEMON_LP_H

#define LEMON_LP_H



#include<lemon/config.h>





#ifdef HAVE_GLPK

#include <lemon/lp_glpk.h>

#elif HAVE_CPLEX

#include <lemon/lp_cplex.h>

#elif HAVE_SOPLEX

#include <lemon/lp_soplex.h>

#elif HAVE_CLP

#include <lemon/lp_clp.h>

#endif



///\file

///\brief Defines a default LP solver

///\ingroup lp_group

namespace lemon {



#ifdef DOXYGEN

  ///The default LP solver identifier



  ///The default LP solver identifier.

  ///\ingroup lp_group

  ///

  ///Currently, the possible values are \c LP_GLPK, \c LP_CPLEX, \c

  ///LP_SOPLEX or \c LP_CLP

#define LEMON_DEFAULT_LP SOLVER

  ///The default LP solver



  ///The default LP solver.

  ///\ingroup lp_group

  ///

  ///Currently, it is either \c LpGlpk, \c LpCplex, \c LpSoplex or \c LpClp

  typedef LpGlpk Lp;



  ///The default MIP solver identifier



  ///The default MIP solver identifier.

  ///\ingroup lp_group

  ///

  ///Currently, the possible values are \c MIP_GLPK or \c MIP_CPLEX

#define LEMON_DEFAULT_MIP SOLVER

  ///The default MIP solver.



  ///The default MIP solver.

  ///\ingroup lp_group

  ///

  ///Currently, it is either \c MipGlpk or \c MipCplex

  typedef MipGlpk Mip;

#else

#ifdef HAVE_GLPK

# define LEMON_DEFAULT_LP LP_GLPK

  typedef LpGlpk Lp;

# define LEMON_DEFAULT_MIP MIP_GLPK

  typedef MipGlpk Mip;

#elif HAVE_CPLEX

# define LEMON_DEFAULT_LP LP_CPLEX

  typedef LpCplex Lp;

# define LEMON_DEFAULT_MIP MIP_CPLEX

  typedef MipCplex Mip;

#elif HAVE_SOPLEX

# define DEFAULT_LP LP_SOPLEX

  typedef LpSoplex Lp;

#elif HAVE_CLP

# define DEFAULT_LP LP_CLP

  typedef LpClp Lp;  

#endif

#endif



} //namespace lemon



#endif //LEMON_LP_H