OSLindoSolver.h

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/* $Id: OSLindoSolver.h 5284 2017-12-08 13:52:50Z stefan $ */
#ifndef LINDOSOLVER_H
#define LINDOSOLVER_H

#include "OSDefaultSolver.h"
#include "OSInstance.h"
#include "lindo.h"
#include "OSrLWriter.h"
#include "OSiLWriter.h"
#include "OSiLReader.h"
#include "OSConfig.h"
#include <string>

#ifdef HAVE_CTIME
# include <ctime>
#else
# ifdef HAVE_TIME_H
#  include <time.h>
# else
#  error "don't have header file for time"
# endif
#endif

class LindoSolver : public DefaultSolver
{

public:

    LindoSolver();

    ~LindoSolver();

    virtual void  solve() ;

    virtual void  buildSolverInstance() throw(ErrorClass);

    virtual void  setSolverOptions() throw(ErrorClass);

    // Lindo specific methods

    bool optimize();

    bool processVariables();

    bool processConstraints();

    bool generateLindoModel();

    bool addSlackVars();

    bool processQuadraticTerms();

    bool processNonlinearExpressions();

    OSiLReader *m_osilreader;

    void dataEchoCheck();



private:

    pLSenv pEnv_;

    pLSmodel pModel_;

    int m_iLindoErrorCode;

    int *m_miSlackIdx;

    int m_iNumberNewSlacks;

    double *m_mdRhsValue;

    char *m_mcRowType;

    double* m_mdVarLB;

    double* m_mdVarUB;

    double* m_mdConLB;

    double* m_mdConUB;

    char** m_mmcVarName;

    std::string* m_msVarName;

    std::string* m_msConName;

    char* m_mcVarType;
    double m_mdObjConstant; // change to array later

    OSrLWriter  *osrlwriter;

    double cpuTime;

protected:
    void lindoAPIErrorCheck( std::string errormsg);

};



#endif