File: CbcParam.cpp

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/* $Id: CbcParam.cpp 1573 2011-01-05 01:12:36Z lou $ */
// Copyright (C) 2002, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).

#if defined(_MSC_VER)
// Turn off compiler warning about long names
#  pragma warning(disable:4786)
#endif

#include <string>
#include <iostream>
#include <cassert>

#include "CbcParam.hpp"

//#############################################################################
// Constructors / Destructor / Assignment
//#############################################################################

//-------------------------------------------------------------------
// Default Constructor
//-------------------------------------------------------------------
CbcParam::CbcParam ()
        : type_(CBC_PARAM_NOTUSED_INVALID),
        lowerDoubleValue_(0.0),
        upperDoubleValue_(0.0),
        lowerIntValue_(0),
        upperIntValue_(0),
        lengthName_(0),
        lengthMatch_(0),
        definedKeyWords_(),
        name_(),
        shortHelp_(),
        longHelp_(),
        action_(CBC_PARAM_NOTUSED_INVALID),
        currentKeyWord_(-1)
{
}
// Other constructors
CbcParam::CbcParam (std::string name, std::string help,
                    double lower, double upper, CbcParameterType type,
                    bool display)
        : type_(type),
        lowerIntValue_(0),
        upperIntValue_(0),
        definedKeyWords_(),
        name_(name),
        shortHelp_(help),
        longHelp_(),
        action_(type),
        currentKeyWord_(-1)
{
    lowerDoubleValue_ = lower;
    upperDoubleValue_ = upper;
    gutsOfConstructor();
}
CbcParam::CbcParam (std::string name, std::string help,
                    int lower, int upper, CbcParameterType type,
                    bool display)
        : type_(type),
        lowerDoubleValue_(0.0),
        upperDoubleValue_(0.0),
        definedKeyWords_(),
        name_(name),
        shortHelp_(help),
        longHelp_(),
        action_(type),
        currentKeyWord_(-1)
{
    gutsOfConstructor();
    lowerIntValue_ = lower;
    upperIntValue_ = upper;
}
// Other strings will be added by append
CbcParam::CbcParam (std::string name, std::string help,
                    std::string firstValue,
                    CbcParameterType type, int defaultIndex,
                    bool display)
        : type_(type),
        lowerDoubleValue_(0.0),
        upperDoubleValue_(0.0),
        lowerIntValue_(0),
        upperIntValue_(0),
        definedKeyWords_(),
        name_(name),
        shortHelp_(help),
        longHelp_(),
        action_(type),
        currentKeyWord_(0)
{
    gutsOfConstructor();
    definedKeyWords_.push_back(firstValue);
}
// Action
CbcParam::CbcParam (std::string name, std::string help,
                    CbcParameterType type, int indexNumber,
                    bool display)
        : type_(type),
        lowerDoubleValue_(0.0),
        upperDoubleValue_(0.0),
        lowerIntValue_(0),
        upperIntValue_(0),
        definedKeyWords_(),
        name_(name),
        shortHelp_(help),
        longHelp_(),
        action_(type),
        currentKeyWord_(-1)
{
    gutsOfConstructor();
}

//-------------------------------------------------------------------
// Copy constructor
//-------------------------------------------------------------------
CbcParam::CbcParam (const CbcParam & rhs)
{
    type_ = rhs.type_;
    lowerDoubleValue_ = rhs.lowerDoubleValue_;
    upperDoubleValue_ = rhs.upperDoubleValue_;
    lowerIntValue_ = rhs.lowerIntValue_;
    upperIntValue_ = rhs.upperIntValue_;
    lengthName_ = rhs.lengthName_;
    lengthMatch_ = rhs.lengthMatch_;
    definedKeyWords_ = rhs.definedKeyWords_;
    name_ = rhs.name_;
    shortHelp_ = rhs.shortHelp_;
    longHelp_ = rhs.longHelp_;
    action_ = rhs.action_;
    currentKeyWord_ = rhs.currentKeyWord_;

}

//-------------------------------------------------------------------
// Destructor
//-------------------------------------------------------------------
CbcParam::~CbcParam ()
{
}

//----------------------------------------------------------------
// Assignment operator
//-------------------------------------------------------------------
CbcParam &
CbcParam::operator=(const CbcParam & rhs)
{
    if (this != &rhs) {
        type_ = rhs.type_;
        lowerDoubleValue_ = rhs.lowerDoubleValue_;
        upperDoubleValue_ = rhs.upperDoubleValue_;
        lowerIntValue_ = rhs.lowerIntValue_;
        upperIntValue_ = rhs.upperIntValue_;
        lengthName_ = rhs.lengthName_;
        lengthMatch_ = rhs.lengthMatch_;
        definedKeyWords_ = rhs.definedKeyWords_;
        name_ = rhs.name_;
        shortHelp_ = rhs.shortHelp_;
        longHelp_ = rhs.longHelp_;
        action_ = rhs.action_;
        currentKeyWord_ = rhs.currentKeyWord_;
    }
    return *this;
}
void
CbcParam::gutsOfConstructor()
{
    std::string::size_type  shriekPos = name_.find('!');
    lengthName_ = name_.length();
    if ( shriekPos == std::string::npos ) {
        //does not contain '!'
        lengthMatch_ = lengthName_;
    } else {
        lengthMatch_ = shriekPos;
        name_ = name_.substr(0, shriekPos) + name_.substr(shriekPos + 1);
        lengthName_--;
    }
}
// Insert string (only valid for keywords)
void
CbcParam::append(std::string keyWord)
{
    definedKeyWords_.push_back(keyWord);
}

int
CbcParam::matches (std::string input) const
{
    // look up strings to do more elegantly
    if (input.length() > lengthName_) {
        return 0;
    } else {
        unsigned int i;
        for (i = 0; i < input.length(); i++) {
            if (tolower(name_[i]) != tolower(input[i]))
                break;
        }
        if (i < input.length()) {
            return 0;
        } else if (i >= lengthMatch_) {
            return 1;
        } else {
            // matched but too short
            return 2;
        }
    }
}
// Returns name which could match
std::string
CbcParam::matchName (  ) const
{
    if (lengthMatch_ == lengthName_)
        return name_;
    else
        return name_.substr(0, lengthMatch_) + "(" + name_.substr(lengthMatch_) + ")";
}

// Returns parameter option which matches (-1 if none)
int
CbcParam::parameterOption ( std::string check ) const
{
    int numberItems = definedKeyWords_.size();
    if (!numberItems) {
        return -1;
    } else {
        int whichItem = 0;
        unsigned int it;
        for (it = 0; it < definedKeyWords_.size(); it++) {
            std::string thisOne = definedKeyWords_[it];
            std::string::size_type  shriekPos = thisOne.find('!');
            unsigned int length1 = thisOne.length();
            unsigned int length2 = length1;
            if ( shriekPos != std::string::npos ) {
                //contains '!'
                length2 = shriekPos;
                thisOne = thisOne.substr(0, shriekPos) +
                          thisOne.substr(shriekPos + 1);
                length1 = thisOne.length();
            }
            if (check.length() <= length1) {
                unsigned int i;
                for (i = 0; i < check.length(); i++) {
                    if (tolower(thisOne[i]) != tolower(check[i]))
                        break;
                }
                if (i < check.length()) {
                    whichItem++;
                } else if (i >= length2) {
                    break;
                }
            } else {
                whichItem++;
            }
        }
        if (whichItem < numberItems)
            return whichItem;
        else
            return -1;
    }
}
// Prints parameter options
void
CbcParam::printOptions (  ) const
{
    std::cout << "Possible options for " << name_ << " are:" << std::endl;
    unsigned int it;
    for (it = 0; it < definedKeyWords_.size(); it++) {
        std::string thisOne = definedKeyWords_[it];
        std::string::size_type  shriekPos = thisOne.find('!');
        if ( shriekPos != std::string::npos ) {
            //contains '!'
            thisOne = thisOne.substr(0, shriekPos) +
                      "(" + thisOne.substr(shriekPos + 1) + ")";
        }
        std::cout << thisOne << std::endl;
    }
}
int
CbcParam::setDoubleParameter (OsiSolverInterface * model, double value) const
{
    if (value < lowerDoubleValue_ || value > upperDoubleValue_) {
        std::cout << value << " was provided for " << name_ <<
                  " - valid range is " << lowerDoubleValue_ << " to " <<
                  upperDoubleValue_ << std::endl;
        return 1;
    } else {
        double oldValue;
        switch (type_) {
        case CLP_PARAM_DBL_DUALTOLERANCE:
            model->getDblParam(OsiDualTolerance, oldValue);
            model->setDblParam(OsiDualTolerance, value);
            break;
        case CLP_PARAM_DBL_PRIMALTOLERANCE:
            model->getDblParam(OsiPrimalTolerance, oldValue);
            model->setDblParam(OsiPrimalTolerance, value);
            break;
        default:
            oldValue = 0.0; // to avoid compiler message
            abort();
        }
        std::cout << name_ << " was changed from " << oldValue << " to "
                  << value << std::endl;
        return 0;
    }
}
int
CbcParam::checkDoubleParameter (double value) const
{
    if (value < lowerDoubleValue_ || value > upperDoubleValue_) {
        std::cout << value << " was provided for " << name_ <<
                  " - valid range is " << lowerDoubleValue_ << " to " <<
                  upperDoubleValue_ << std::endl;
        return 1;
    } else {
        return 0;
    }
}
double
CbcParam::doubleParameter (OsiSolverInterface * model) const
{
    double value;
    bool getDblParamRetValue;
    switch (type_) {
    case CLP_PARAM_DBL_DUALTOLERANCE:
        getDblParamRetValue = model->getDblParam(OsiDualTolerance, value);
        assert(getDblParamRetValue);
        break;
    case CLP_PARAM_DBL_PRIMALTOLERANCE:
        getDblParamRetValue = model->getDblParam(OsiPrimalTolerance, value);
        assert(getDblParamRetValue);
        break;
    default:
        abort();
    }
    return value;
}
int
CbcParam::setIntParameter (OsiSolverInterface * model, int value) const
{
    if (value < lowerIntValue_ || value > upperIntValue_) {
        std::cout << value << " was provided for " << name_ <<
                  " - valid range is " << lowerIntValue_ << " to " <<
                  upperIntValue_ << std::endl;
        return 1;
    } else {
        int oldValue;
        switch (type_) {
        case CLP_PARAM_INT_LOGLEVEL:
            oldValue = model->messageHandler()->logLevel();
            model->messageHandler()->setLogLevel(value);
            break;
        default:
            oldValue = 0; // to avoid compiler message
            abort();
        }
        std::cout << name_ << " was changed from " << oldValue << " to "
                  << value << std::endl;
        return 0;
    }
}
int
CbcParam::intParameter (OsiSolverInterface * model) const
{
    int value = 0;
    switch (type_) {
    case CLP_PARAM_INT_LOGLEVEL:
        //value=model->logLevel();
        break;
    default:
        abort();
    }
    return value;
}
int
CbcParam::setDoubleParameter (CbcModel &model, double value) const
{
    if (value < lowerDoubleValue_ || value > upperDoubleValue_) {
        std::cout << value << " was provided for " << name_ <<
                  " - valid range is " << lowerDoubleValue_ << " to " <<
                  upperDoubleValue_ << std::endl;
        return 1;
    } else {
        double oldValue;
        switch (type_) {
        case CBC_PARAM_DBL_INFEASIBILITYWEIGHT:
            oldValue = model.getDblParam(CbcModel::CbcInfeasibilityWeight);
            model.setDblParam(CbcModel::CbcInfeasibilityWeight, value);
            break;
        case CBC_PARAM_DBL_INTEGERTOLERANCE:
            oldValue = model.getDblParam(CbcModel::CbcIntegerTolerance);
            model.setDblParam(CbcModel::CbcIntegerTolerance, value);
            break;
        case CBC_PARAM_DBL_INCREMENT:
            oldValue = model.getDblParam(CbcModel::CbcCutoffIncrement);
            model.setDblParam(CbcModel::CbcCutoffIncrement, value);
        case CBC_PARAM_DBL_ALLOWABLEGAP:
            oldValue = model.getDblParam(CbcModel::CbcAllowableGap);
            model.setDblParam(CbcModel::CbcAllowableGap, value);
            break;
        case CLP_PARAM_DBL_TIMELIMIT: {
            oldValue = model.getDblParam(CbcModel::CbcMaximumSeconds) ;
            model.setDblParam(CbcModel::CbcMaximumSeconds, value) ;
            break ;
        }
        case CLP_PARAM_DBL_DUALTOLERANCE:
        case CLP_PARAM_DBL_PRIMALTOLERANCE:
            setDoubleParameter(model.solver(), value);
            return 0; // to avoid message
        default:
            oldValue = 0.0; // to avoid compiler message
            abort();
        }
        std::cout << name_ << " was changed from " << oldValue << " to "
                  << value << std::endl;
        return 0;
    }
}
double
CbcParam::doubleParameter (CbcModel &model) const
{
    double value;
    switch (type_) {
    case CBC_PARAM_DBL_INFEASIBILITYWEIGHT:
        value = model.getDblParam(CbcModel::CbcInfeasibilityWeight);
        break;
    case CBC_PARAM_DBL_INTEGERTOLERANCE:
        value = model.getDblParam(CbcModel::CbcIntegerTolerance);
        break;
    case CBC_PARAM_DBL_INCREMENT:
        value = model.getDblParam(CbcModel::CbcCutoffIncrement);
    case CBC_PARAM_DBL_ALLOWABLEGAP:
        value = model.getDblParam(CbcModel::CbcAllowableGap);
        break;
    case CLP_PARAM_DBL_TIMELIMIT: {
        value = model.getDblParam(CbcModel::CbcMaximumSeconds) ;
        break ;
    }
    case CLP_PARAM_DBL_DUALTOLERANCE:
    case CLP_PARAM_DBL_PRIMALTOLERANCE:
        value = doubleParameter(model.solver());
        break;
    default:
        abort();
    }
    return value;
}
int
CbcParam::setIntParameter (CbcModel &model, int value) const
{
    if (value < lowerIntValue_ || value > upperIntValue_) {
        std::cout << value << " was provided for " << name_ <<
                  " - valid range is " << lowerIntValue_ << " to " <<
                  upperIntValue_ << std::endl;
        return 1;
    } else {
        int oldValue;
        switch (type_) {
        case CLP_PARAM_INT_LOGLEVEL:
            oldValue = model.messageHandler()->logLevel();
            model.messageHandler()->setLogLevel(value);
            break;
        case CLP_PARAM_INT_SOLVERLOGLEVEL:
            oldValue = model.solver()->messageHandler()->logLevel();
            model.solver()->messageHandler()->setLogLevel(value);
            break;
        case CBC_PARAM_INT_MAXNODES:
            oldValue = model.getIntParam(CbcModel::CbcMaxNumNode);
            model.setIntParam(CbcModel::CbcMaxNumNode, value);
            break;
        case CBC_PARAM_INT_STRONGBRANCHING:
            oldValue = model.numberStrong();
            model.setNumberStrong(value);
            break;
        default:
            oldValue = 0; // to avoid compiler message
            abort();
        }
        std::cout << name_ << " was changed from " << oldValue << " to "
                  << value << std::endl;
        return 0;
    }
}
int
CbcParam::intParameter (CbcModel &model) const
{
    int value;
    switch (type_) {
    case CLP_PARAM_INT_LOGLEVEL:
        value = model.messageHandler()->logLevel();
        break;
    case CLP_PARAM_INT_SOLVERLOGLEVEL:
        value = model.solver()->messageHandler()->logLevel();
        break;
    case CBC_PARAM_INT_MAXNODES:
        value = model.getIntParam(CbcModel::CbcMaxNumNode);
        break;
    case CBC_PARAM_INT_STRONGBRANCHING:
        value = model.numberStrong();
        break;
    default:
        abort();
    }
    return value;
}