CombinedOdeSystemInformation.cpp

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*/


#include "CombinedOdeSystemInformation.hpp"

#include <cassert>

boost::shared_ptr<CombinedOdeSystemInformation> CombinedOdeSystemInformation::Instance(const std::vector<AbstractOdeSystem*>& rSubsystems)
{
    // Get the information for the subsystems
    std::vector<boost::shared_ptr<const AbstractOdeSystemInformation> > info_vec;
    info_vec.reserve(rSubsystems.size());
    for (unsigned i=0; i<rSubsystems.size(); i++)
    {
        info_vec.push_back(rSubsystems[i]->GetSystemInformation());
    }

    boost::shared_ptr<CombinedOdeSystemInformation> p_inst;

    // Search to see if we have an information object for this sequence of
    // subsystems already.
    for (unsigned i=0; i<msInstances.size(); i++)
    {
        if (info_vec.size() == msInstances[i].subsystemInformation.size())
        {
            bool equal = true;
            for (unsigned j=0; j<info_vec.size(); j++)
            {
                if (msInstances[i].subsystemInformation[j] != info_vec[j])
                {
                    equal = false;
                    break;
                }
            }
            if (equal)
            {
                p_inst = msInstances[i].pInfoInstance;
                break;
            }
        }
    }

    // Create a new object if needed
    if (!p_inst)
    {
        p_inst.reset(new CombinedOdeSystemInformation(info_vec));
        struct InstancePointers inst;
        inst.subsystemInformation = info_vec;
        inst.pInfoInstance = p_inst;
        msInstances.push_back(inst);
    }

    return p_inst;
}

CombinedOdeSystemInformation::CombinedOdeSystemInformation(const std::vector<boost::shared_ptr<const AbstractOdeSystemInformation> >& rSubsystemInfo)
{
    // Figure out our size
    unsigned total_system_size = 0u;
    for (unsigned i=0; i<rSubsystemInfo.size(); i++)
    {
        total_system_size += rSubsystemInfo[i]->rGetStateVariableNames().size();
    }
    mVariableNames.reserve(total_system_size);
    mVariableUnits.reserve(total_system_size);
    mInitialConditions.reserve(total_system_size);

    // Set up our info from the subsystems
    for (unsigned i=0; i<rSubsystemInfo.size(); i++)
    {
        std::vector<double> inits = rSubsystemInfo[i]->GetInitialConditions();
        const std::vector<std::string>& names = rSubsystemInfo[i]->rGetStateVariableNames();
        const std::vector<std::string>& units = rSubsystemInfo[i]->rGetStateVariableUnits();
        unsigned system_size = names.size();
        assert(inits.size() == system_size);
        assert(units.size() == system_size);

        for (unsigned j=0; j<system_size; j++)
        {
            mVariableNames.push_back(names[j]);
            mVariableUnits.push_back(units[j]);
            mInitialConditions.push_back(inits[j]);
        }
    }

    mInitialised = true;
}

#define COVERAGE_IGNORE
void CombinedOdeSystemInformation::Initialise()
{
    // does nothing; work done in constructor
    // but we need the method because it is pure in our base class
}

std::vector<struct CombinedOdeSystemInformation::InstancePointers> CombinedOdeSystemInformation::msInstances;
#undef COVERAGE_IGNORE