lemon/lp_skeleton.cc
author Alpar Juttner <alpar@cs.elte.hu>
Fri, 25 Jun 2010 06:41:55 +0200
changeset 893 d395358592df
parent 746 e4554cd6b2bf
child 1063 1782aa72495a
permissions -rw-r--r--
Merge bugfix #371
deba@458
     1
/* -*- mode: C++; indent-tabs-mode: nil; -*-
deba@458
     2
 *
deba@458
     3
 * This file is a part of LEMON, a generic C++ optimization library.
deba@458
     4
 *
alpar@877
     5
 * Copyright (C) 2003-2010
deba@458
     6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
deba@458
     7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
deba@458
     8
 *
deba@458
     9
 * Permission to use, modify and distribute this software is granted
deba@458
    10
 * provided that this copyright notice appears in all copies. For
deba@458
    11
 * precise terms see the accompanying LICENSE file.
deba@458
    12
 *
deba@458
    13
 * This software is provided "AS IS" with no warranty of any kind,
deba@458
    14
 * express or implied, and with no claim as to its suitability for any
deba@458
    15
 * purpose.
deba@458
    16
 *
deba@458
    17
 */
deba@458
    18
deba@458
    19
#include <lemon/lp_skeleton.h>
deba@458
    20
deba@458
    21
///\file
deba@458
    22
///\brief A skeleton file to implement LP solver interfaces
deba@458
    23
namespace lemon {
deba@458
    24
deba@459
    25
  int SkeletonSolverBase::_addCol()
deba@458
    26
  {
deba@458
    27
    return ++col_num;
deba@458
    28
  }
deba@458
    29
deba@459
    30
  int SkeletonSolverBase::_addRow()
deba@458
    31
  {
deba@458
    32
    return ++row_num;
deba@458
    33
  }
deba@458
    34
deba@746
    35
  int SkeletonSolverBase::_addRow(Value, ExprIterator, ExprIterator, Value)
deba@746
    36
  {
deba@746
    37
    return ++row_num;
deba@746
    38
  }
deba@746
    39
deba@459
    40
  void SkeletonSolverBase::_eraseCol(int) {}
deba@459
    41
  void SkeletonSolverBase::_eraseRow(int) {}
deba@459
    42
deba@459
    43
  void SkeletonSolverBase::_getColName(int, std::string &) const {}
deba@459
    44
  void SkeletonSolverBase::_setColName(int, const std::string &) {}
deba@459
    45
  int SkeletonSolverBase::_colByName(const std::string&) const { return -1; }
deba@459
    46
deba@459
    47
  void SkeletonSolverBase::_getRowName(int, std::string &) const {}
deba@459
    48
  void SkeletonSolverBase::_setRowName(int, const std::string &) {}
deba@459
    49
  int SkeletonSolverBase::_rowByName(const std::string&) const { return -1; }
deba@459
    50
deba@459
    51
  void SkeletonSolverBase::_setRowCoeffs(int, ExprIterator, ExprIterator) {}
deba@459
    52
  void SkeletonSolverBase::_getRowCoeffs(int, InsertIterator) const {}
deba@459
    53
deba@459
    54
  void SkeletonSolverBase::_setColCoeffs(int, ExprIterator, ExprIterator) {}
deba@459
    55
  void SkeletonSolverBase::_getColCoeffs(int, InsertIterator) const {}
deba@459
    56
deba@459
    57
  void SkeletonSolverBase::_setCoeff(int, int, Value) {}
deba@459
    58
  SkeletonSolverBase::Value SkeletonSolverBase::_getCoeff(int, int) const
deba@459
    59
  { return 0; }
deba@459
    60
deba@459
    61
  void SkeletonSolverBase::_setColLowerBound(int, Value) {}
deba@459
    62
  SkeletonSolverBase::Value SkeletonSolverBase::_getColLowerBound(int) const
deba@459
    63
  {  return 0; }
deba@459
    64
deba@459
    65
  void SkeletonSolverBase::_setColUpperBound(int, Value) {}
deba@459
    66
  SkeletonSolverBase::Value SkeletonSolverBase::_getColUpperBound(int) const
deba@459
    67
  {  return 0; }
deba@459
    68
deba@459
    69
  void SkeletonSolverBase::_setRowLowerBound(int, Value) {}
deba@459
    70
  SkeletonSolverBase::Value SkeletonSolverBase::_getRowLowerBound(int) const
deba@459
    71
  {  return 0; }
deba@459
    72
deba@459
    73
  void SkeletonSolverBase::_setRowUpperBound(int, Value) {}
deba@459
    74
  SkeletonSolverBase::Value SkeletonSolverBase::_getRowUpperBound(int) const
deba@459
    75
  {  return 0; }
deba@459
    76
deba@459
    77
  void SkeletonSolverBase::_setObjCoeffs(ExprIterator, ExprIterator) {}
deba@459
    78
  void SkeletonSolverBase::_getObjCoeffs(InsertIterator) const {};
deba@459
    79
deba@459
    80
  void SkeletonSolverBase::_setObjCoeff(int, Value) {}
deba@459
    81
  SkeletonSolverBase::Value SkeletonSolverBase::_getObjCoeff(int) const
deba@459
    82
  {  return 0; }
deba@459
    83
deba@459
    84
  void SkeletonSolverBase::_setSense(Sense) {}
deba@459
    85
  SkeletonSolverBase::Sense SkeletonSolverBase::_getSense() const
deba@459
    86
  { return MIN; }
deba@459
    87
deba@459
    88
  void SkeletonSolverBase::_clear() {
deba@459
    89
    row_num = col_num = 0;
deba@458
    90
  }
deba@458
    91
deba@576
    92
  void SkeletonSolverBase::_messageLevel(MessageLevel) {}
deba@576
    93
deba@459
    94
  LpSkeleton::SolveExitStatus LpSkeleton::_solve() { return SOLVED; }
deba@458
    95
deba@459
    96
  LpSkeleton::Value LpSkeleton::_getPrimal(int) const { return 0; }
deba@459
    97
  LpSkeleton::Value LpSkeleton::_getDual(int) const { return 0; }
deba@459
    98
  LpSkeleton::Value LpSkeleton::_getPrimalValue() const { return 0; }
deba@458
    99
deba@459
   100
  LpSkeleton::Value LpSkeleton::_getPrimalRay(int) const { return 0; }
deba@459
   101
  LpSkeleton::Value LpSkeleton::_getDualRay(int) const { return 0; }
deba@458
   102
deba@459
   103
  LpSkeleton::ProblemType LpSkeleton::_getPrimalType() const
deba@459
   104
  { return UNDEFINED; }
deba@458
   105
deba@459
   106
  LpSkeleton::ProblemType LpSkeleton::_getDualType() const
deba@459
   107
  { return UNDEFINED; }
deba@458
   108
deba@459
   109
  LpSkeleton::VarStatus LpSkeleton::_getColStatus(int) const
deba@459
   110
  { return BASIC; }
deba@458
   111
deba@459
   112
  LpSkeleton::VarStatus LpSkeleton::_getRowStatus(int) const
deba@459
   113
  { return BASIC; }
deba@458
   114
alpar@540
   115
  LpSkeleton* LpSkeleton::newSolver() const
deba@459
   116
  { return static_cast<LpSkeleton*>(0); }
deba@458
   117
alpar@540
   118
  LpSkeleton* LpSkeleton::cloneSolver() const
deba@459
   119
  { return static_cast<LpSkeleton*>(0); }
deba@458
   120
deba@459
   121
  const char* LpSkeleton::_solverName() const { return "LpSkeleton"; }
deba@458
   122
deba@459
   123
  MipSkeleton::SolveExitStatus MipSkeleton::_solve()
deba@459
   124
  { return SOLVED; }
deba@458
   125
deba@459
   126
  MipSkeleton::Value MipSkeleton::_getSol(int) const { return 0; }
deba@459
   127
  MipSkeleton::Value MipSkeleton::_getSolValue() const { return 0; }
deba@458
   128
deba@459
   129
  MipSkeleton::ProblemType MipSkeleton::_getType() const
deba@459
   130
  { return UNDEFINED; }
deba@458
   131
alpar@540
   132
  MipSkeleton* MipSkeleton::newSolver() const
deba@459
   133
  { return static_cast<MipSkeleton*>(0); }
deba@458
   134
alpar@540
   135
  MipSkeleton* MipSkeleton::cloneSolver() const
deba@459
   136
  { return static_cast<MipSkeleton*>(0); }
deba@458
   137
deba@459
   138
  const char* MipSkeleton::_solverName() const { return "MipSkeleton"; }
deba@458
   139
deba@458
   140
} //namespace lemon
deba@458
   141