lemon-0.x: lemon/lp_skeleton.cc@72c7075ad5ba

     1 /* -*- C++ -*-

     2  *

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

     4  *

     5  * Copyright (C) 2003-2006

     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

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

     8  *

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

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

    11  * precise terms see the accompanying LICENSE file.

    12  *

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

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

    15  * purpose.

    16  *

    17  */

    19 #include <lemon/lp_skeleton.h>

    21 ///\file

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

    23 namespace lemon {

    25   LpSolverBase &LpSkeleton::_newLp()

    26   {

    27     LpSolverBase *tmp=0;

    28     return *tmp;

    29   }

    31   LpSolverBase &LpSkeleton::_copyLp()

    32   {

    33     LpSolverBase *tmp=0;

    34     return *tmp;

    35   }

    37   int LpSkeleton::_addCol()

    38   {

    39     return ++col_num;

    40   }

    42   int LpSkeleton::_addRow()

    43   {

    44     return ++row_num;

    45   }

    47   void LpSkeleton::_eraseCol(int ) {

    48   }

    50   void LpSkeleton::_eraseRow(int) {

    51   }

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

    54   }

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

    58   }

    61   void LpSkeleton::_setRowCoeffs(int, LpRowIterator, LpRowIterator) {

    62   }

    64   void LpSkeleton::_setColCoeffs(int, LpColIterator, LpColIterator) {

    65   }

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

    68   {

    69   }

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

    72   {

    73     return 0;

    74   }

    77   void LpSkeleton::_setColLowerBound(int, Value)

    78   {

    79   }

    81   LpSkeleton::Value LpSkeleton::_getColLowerBound(int)

    82   {

    83     return 0;

    84   }

    86   void LpSkeleton::_setColUpperBound(int, Value)

    87   {

    88   }

    90   LpSkeleton::Value LpSkeleton::_getColUpperBound(int)

    91   {

    92     return 0;

    93   }

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

    96 //   {

    97 //   }

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

   100 //   {

   101 //   }

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

   104   {

   105   }

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

   108   {

   109   }

   111   void LpSkeleton::_setObjCoeff(int, Value)

   112   {

   113   }

   115   LpSkeleton::Value LpSkeleton::_getObjCoeff(int){

   116     return 0;

   117   }

   119   void LpSkeleton::_setMax()

   120   {

   121   }

   123   void LpSkeleton::_setMin()

   124   {

   125   }

   127   bool LpSkeleton::_isMax()

   128   {

   129     return true;

   130   }

   133   void LpSkeleton::_clearObj()

   134   {

   135   }

   137   LpSkeleton::SolveExitStatus LpSkeleton::_solve()

   138   {

   139     return SOLVED;

   140   }

   142   LpSkeleton::Value LpSkeleton::_getPrimal(int)

   143   {

   144     return 0;

   145   }

   147   LpSkeleton::Value LpSkeleton::_getDual(int)

   148   {

   149     return 0;

   150   }

   152   LpSkeleton::Value LpSkeleton::_getPrimalValue()

   153   {

   154     return 0;

   155   }

   157   LpSkeleton::SolutionStatus LpSkeleton::_getPrimalStatus()

   158   {

   159     return UNDEFINED;

   160   }

   162   LpSkeleton::SolutionStatus LpSkeleton::_getDualStatus()

   163   {

   164     return UNDEFINED;

   165   }

   167   LpSkeleton::ProblemTypes LpSkeleton::_getProblemType()

   168   {

   169     return UNKNOWN;

   170   }

   172   bool LpSkeleton::_isBasicCol(int)

   173   {

   174     return true;

   175   }

   177 } //namespace lemon

author	alpar
	Mon, 12 Feb 2007 17:54:36 +0000
changeset 2360	72c7075ad5ba
parent 2326	af8c695372be
child 2364	3a5e67bd42d2
permissions	-rw-r--r--