coin.h

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#pragma once
 
#include <ogdf/basic/Logger.h>
 
#include <ogdf/lib/abacus/osiinclude.h>
#include <coin/CoinPackedVector.hpp> // not used here but always necessary when using COIN
 
namespace ogdf {
 
class OGDF_EXPORT CoinManager {
public:
 
    static Logger CoinLog;
 
    static OsiSolverInterface* createCorrectOsiSolverInterface() {
#ifdef COIN_OSI_CPX
        OsiCpxSolverInterface* ret = new OsiCpxSolverInterface(); // CPLEX
#elif defined(COIN_OSI_GRB)
        OsiGrbSolverInterface* ret = new OsiGrbSolverInterface(); // Gurobi
#elif defined(COIN_OSI_SYM)
        OsiSymSolverInterface* ret = new OsiSymSolverInterface(); // Symphony
        ret->setSymParam(OsiSymVerbosity, -2);
#else // COIN_OSI_CLP
        OsiClpSolverInterface* ret = new OsiClpSolverInterface(); // Coin-OR LP
#endif
        updateLogging(ret);
        return ret;
    }
 
    static void updateLogging(OsiSolverInterface* osi) {
        if (CoinLog.effectiveStatisticMode()) {
            osi->messageHandler()->setLogLevel(0);
        } else {
            switch (CoinLog.effectiveLogLevel()) {
            //- 0 - none
            //- 1 - minimal
            //- 2 - normal low
            //- 3 - normal high
            //- 4 - verbose
            case Logger::Level::Minor:
                osi->messageHandler()->setLogLevel(4);
                break;
            case Logger::Level::Medium:
                osi->messageHandler()->setLogLevel(3);
                break;
            case Logger::Level::Default:
                osi->messageHandler()->setLogLevel(2);
                break;
            case Logger::Level::High:
                osi->messageHandler()->setLogLevel(1);
                break;
            case Logger::Level::Alarm:
                osi->messageHandler()->setLogLevel(0);
                break;
            case Logger::Level::Force:
                osi->messageHandler()->setLogLevel(0);
                break;
            }
        }
    }
};
 
}