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/* -*- mode: C++; indent-tabs-mode: nil; -*-
*
* This file is a part of LEMON, a generic C++ optimization library.
*
* Copyright (C) 2003-2013
* 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 {
int SkeletonSolverBase::_addCol()
{
return ++col_num;
}
int SkeletonSolverBase::_addRow()
{
return ++row_num;
}
int SkeletonSolverBase::_addRow(Value, ExprIterator, ExprIterator, Value)
{
return ++row_num;
}
void SkeletonSolverBase::_eraseCol(int) {}
void SkeletonSolverBase::_eraseRow(int) {}
void SkeletonSolverBase::_getColName(int, std::string &) const {}
void SkeletonSolverBase::_setColName(int, const std::string &) {}
int SkeletonSolverBase::_colByName(const std::string&) const { return -1; }
void SkeletonSolverBase::_getRowName(int, std::string &) const {}
void SkeletonSolverBase::_setRowName(int, const std::string &) {}
int SkeletonSolverBase::_rowByName(const std::string&) const { return -1; }
void SkeletonSolverBase::_setRowCoeffs(int, ExprIterator, ExprIterator) {}
void SkeletonSolverBase::_getRowCoeffs(int, InsertIterator) const {}
void SkeletonSolverBase::_setColCoeffs(int, ExprIterator, ExprIterator) {}
void SkeletonSolverBase::_getColCoeffs(int, InsertIterator) const {}
void SkeletonSolverBase::_setCoeff(int, int, Value) {}
SkeletonSolverBase::Value SkeletonSolverBase::_getCoeff(int, int) const
{ return 0; }
void SkeletonSolverBase::_setColLowerBound(int, Value) {}
SkeletonSolverBase::Value SkeletonSolverBase::_getColLowerBound(int) const
{ return 0; }
void SkeletonSolverBase::_setColUpperBound(int, Value) {}
SkeletonSolverBase::Value SkeletonSolverBase::_getColUpperBound(int) const
{ return 0; }
void SkeletonSolverBase::_setRowLowerBound(int, Value) {}
SkeletonSolverBase::Value SkeletonSolverBase::_getRowLowerBound(int) const
{ return 0; }
void SkeletonSolverBase::_setRowUpperBound(int, Value) {}
SkeletonSolverBase::Value SkeletonSolverBase::_getRowUpperBound(int) const
{ return 0; }
void SkeletonSolverBase::_setObjCoeffs(ExprIterator, ExprIterator) {}
void SkeletonSolverBase::_getObjCoeffs(InsertIterator) const {};
void SkeletonSolverBase::_setObjCoeff(int, Value) {}
SkeletonSolverBase::Value SkeletonSolverBase::_getObjCoeff(int) const
{ return 0; }
void SkeletonSolverBase::_setSense(Sense) {}
SkeletonSolverBase::Sense SkeletonSolverBase::_getSense() const
{ return MIN; }
void SkeletonSolverBase::_clear() {
row_num = col_num = 0;
}
void SkeletonSolverBase::_messageLevel(MessageLevel) {}
void SkeletonSolverBase::_write(std::string, std::string) const {}
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::Value LpSkeleton::_getPrimalRay(int) const { return 0; }
LpSkeleton::Value LpSkeleton::_getDualRay(int) const { return 0; }
LpSkeleton::ProblemType LpSkeleton::_getPrimalType() const
{ return UNDEFINED; }
LpSkeleton::ProblemType LpSkeleton::_getDualType() const
{ return UNDEFINED; }
LpSkeleton::VarStatus LpSkeleton::_getColStatus(int) const
{ return BASIC; }
LpSkeleton::VarStatus LpSkeleton::_getRowStatus(int) const
{ return BASIC; }
LpSkeleton* LpSkeleton::newSolver() const
{ return static_cast<LpSkeleton*>(0); }
LpSkeleton* LpSkeleton::cloneSolver() const
{ return static_cast<LpSkeleton*>(0); }
const char* LpSkeleton::_solverName() const { return "LpSkeleton"; }
MipSkeleton::SolveExitStatus MipSkeleton::_solve()
{ return SOLVED; }
MipSkeleton::Value MipSkeleton::_getSol(int) const { return 0; }
MipSkeleton::Value MipSkeleton::_getSolValue() const { return 0; }
MipSkeleton::ProblemType MipSkeleton::_getType() const
{ return UNDEFINED; }
MipSkeleton* MipSkeleton::newSolver() const
{ return static_cast<MipSkeleton*>(0); }
MipSkeleton* MipSkeleton::cloneSolver() const
{ return static_cast<MipSkeleton*>(0); }
const char* MipSkeleton::_solverName() const { return "MipSkeleton"; }
} //namespace lemon
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