AbstractLookupTableCollection.cpp

/*

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*/

#include "AbstractLookupTableCollection.hpp"

#include <cmath>

AbstractLookupTableCollection::AbstractLookupTableCollection()
    : mDt(0.0)
{
}

std::vector<std::string> AbstractLookupTableCollection::GetKeyingVariableNames() const
{
    return mKeyingVariableNames;
}

unsigned AbstractLookupTableCollection::GetNumberOfTables(const std::string& rKeyingVariableName) const
{
    return mNumberOfTables[GetTableIndex(rKeyingVariableName)];
}

void AbstractLookupTableCollection::GetTableProperties(const std::string& rKeyingVariableName, double& rMin, double& rStep, double& rMax) const
{
    unsigned i = GetTableIndex(rKeyingVariableName);
    rMin = mTableMins[i];
    rStep = mTableSteps[i];
    rMax = mTableMaxs[i];
}

void AbstractLookupTableCollection::SetTableProperties(const std::string& rKeyingVariableName, double min, double step, double max)
{
    // Check inputs
    unsigned num_steps = (unsigned) ((max-min)/step+0.5);
    if (fabs(max - min - num_steps*step) > 1e-10)
    {
        EXCEPTION("Table step size does not divide range between table limits.");
    }
    // Set state
    unsigned i = GetTableIndex(rKeyingVariableName);
    if ((min != mTableMins[i]) || (step != mTableSteps[i]) || (max != mTableMaxs[i]))
    {
        mNeedsRegeneration[i] = true;
    }
    mTableMins[i] = min;
    mTableSteps[i] = step;
    mTableStepInverses[i] = 1/step;
    mTableMaxs[i] = max;
}

void AbstractLookupTableCollection::SetTimestep(double dt)
{
    if (mDt != dt)
    {
        mNeedsRegeneration.assign(mNeedsRegeneration.size(), true);
    }
    mDt = dt;
}

unsigned AbstractLookupTableCollection::GetTableIndex(const std::string& rKeyingVariableName) const
{
    unsigned i=0;
    for (; i<mKeyingVariableNames.size(); i++)
    {
        if (mKeyingVariableNames[i] == rKeyingVariableName)
        {
            break;
        }
    }
    if (i == mKeyingVariableNames.size())
    {
        EXCEPTION("Lookup table keying variable '" + rKeyingVariableName + "' does not exist.");
    }
    return i;
}

AbstractLookupTableCollection::~AbstractLookupTableCollection()
{
}

const char* AbstractLookupTableCollection::EventHandler::EventName[] =  {"GenTables"};