/* -*- C++ -*-

  *

  * 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.

  *

  */

 #include <lemon/lp_skeleton.h>

 ///\file

 ///\brief A skeleton file to implement LP solver interfaces

 namespace lemon {

   LpSolverBase* LpSkeleton::_newLp()

   {

     LpSolverBase *tmp=0;

     return tmp;

   }

   LpSolverBase* LpSkeleton::_copyLp()

   {

     LpSolverBase *tmp=0;

     return tmp;

   }

   int LpSkeleton::_addCol()

   {

     return ++col_num;

   }

   int LpSkeleton::_addRow() 

   {

     return ++row_num;

   }

   void LpSkeleton::_eraseCol(int ) {

   }

   void LpSkeleton::_eraseRow(int) {

   }

   void LpSkeleton::_getColName(int, std::string &) const {

   }

   void LpSkeleton::_setColName(int, const std::string &) {

   }

   int LpSkeleton::_colByName(const std::string&) const { return -1; }

   void LpSkeleton::_setRowCoeffs(int, ConstRowIterator, ConstRowIterator) {

   }

   void LpSkeleton::_getRowCoeffs(int, RowIterator) const {

   }

   void LpSkeleton::_setColCoeffs(int, ConstColIterator, ConstColIterator) {

   }

   void LpSkeleton::_getColCoeffs(int, ColIterator) const {

   }

   void LpSkeleton::_setCoeff(int, int, Value )

   {

   }

   LpSkeleton::Value LpSkeleton::_getCoeff(int, int) const

   {

     return 0;

   }

   void LpSkeleton::_setColLowerBound(int, Value)

   {

   }

   LpSkeleton::Value LpSkeleton::_getColLowerBound(int) const

   {

     return 0;

   }

   void LpSkeleton::_setColUpperBound(int, Value)

   {

   }

   LpSkeleton::Value LpSkeleton::_getColUpperBound(int) const

   {

     return 0;

   }

 //   void LpSkeleton::_setRowLowerBound(int, Value)

 //   {

 //   }

 //   void LpSkeleton::_setRowUpperBound(int, Value)

 //   {

 //   }

   void LpSkeleton::_setRowBounds(int, Value, Value)

   {

   }

   void LpSkeleton::_getRowBounds(int, Value&, Value&) const

   {

   }

   void LpSkeleton::_setObjCoeff(int, Value)

   {

   }

   LpSkeleton::Value LpSkeleton::_getObjCoeff(int) const

   {

     return 0;

   }

   void LpSkeleton::_setMax()

   {

   }

   void LpSkeleton::_setMin()

   {

   }

   bool LpSkeleton::_isMax() const

   {

     return true;

   }

   void LpSkeleton::_clearObj()

   {

   }

   LpSkeleton::SolveExitStatus LpSkeleton::_solve()

   {

     return SOLVED;

   }

   LpSkeleton::Value LpSkeleton::_getPrimal(int) const

   {

     return 0;

   }

   LpSkeleton::Value LpSkeleton::_getDual(int) const

   {

     return 0;

   }

   LpSkeleton::Value LpSkeleton::_getPrimalValue() const

   {

     return 0;

   }

   LpSkeleton::SolutionStatus LpSkeleton::_getPrimalStatus() const

   {

     return UNDEFINED;

   }

   LpSkeleton::SolutionStatus LpSkeleton::_getDualStatus() const

   {

     return UNDEFINED;

   }

   LpSkeleton::ProblemTypes LpSkeleton::_getProblemType() const

   {

     return UNKNOWN;

   }

   bool LpSkeleton::_isBasicCol(int) const

   {

     return true;

   }

 } //namespace lemon