Curve.cpp

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#include "Curve.h"
 
namespace MaterialPropertyLib
{
Curve::Curve(std::string name,
             Variable const independent_variable,
             MathLib::PiecewiseLinearInterpolation const& curve)
    : independent_variable_(independent_variable), curve_(curve)
{
    name_ = std::move(name);
}
 
PropertyDataType Curve::value(VariableArray const& variable_array,
                              ParameterLib::SpatialPosition const& /*pos*/,
                              double const /*t*/, double const /*dt*/) const
{
    auto const x = std::get<double>(variable_array[independent_variable_]);
    return curve_.getValue(x);
}
 
PropertyDataType Curve::dValue(VariableArray const& variable_array,
                               Variable const variable,
                               ParameterLib::SpatialPosition const& /*pos*/,
                               double const /*t*/, double const /*dt*/) const
{
    if (variable != independent_variable_)
    {
        return 0.0;
    }
 
    auto const x = std::get<double>(variable_array[independent_variable_]);
    return curve_.getDerivative(x);
}
}  // namespace MaterialPropertyLib