BaseUnits.cpp

/*

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*/

#include <cassert>
#include <cmath>
#include "BaseUnits.hpp"

boost::shared_ptr<BaseUnits> BaseUnits::mpInstance = boost::shared_ptr<BaseUnits>();

boost::shared_ptr<BaseUnits> BaseUnits::SharedInstance()
{
    if (!mpInstance)
    {
        mpInstance = boost::shared_ptr<BaseUnits>(new BaseUnits);
        std::atexit(Destroy);
    }
    return mpInstance;
}

BaseUnits* BaseUnits::Instance()
{
    if (!mpInstance)
    {
        mpInstance = boost::shared_ptr<BaseUnits>(new BaseUnits);
        std::atexit(Destroy);
    }
    return mpInstance.get();
}

BaseUnits::BaseUnits()
    : mTime(60.0 * unit::seconds),
      mLength(1.e-6 * unit::metres),
      mConcentration(1.e-6 * unit::mole_per_metre_cubed)
{
    // Make sure there's only one instance - enforces correct serialization
    assert(bool(mpInstance) == false);
}

units::quantity<unit::time> BaseUnits::GetReferenceTimeScale()
{
    return mTime;
}

void BaseUnits::SetReferenceTimeScale(units::quantity<unit::time> referenceTimeScale)
{
    mTime = referenceTimeScale;
}

units::quantity<unit::length> BaseUnits::GetReferenceLengthScale()
{
    return mLength;
}

void BaseUnits::SetReferenceLengthScale(units::quantity<unit::length> referenceLengthScale)
{
    mLength = referenceLengthScale;
}

units::quantity<unit::concentration> BaseUnits::GetReferenceConcentrationScale()
{
    return mConcentration;
}

void BaseUnits::SetReferenceConcentrationScale(units::quantity<unit::concentration> referenceConcentrationScale)
{
    mConcentration = referenceConcentrationScale;
}

void BaseUnits::Destroy()
{
    if (mpInstance)
    {
        mpInstance = boost::shared_ptr<BaseUnits>();
    }
}