20 std::unique_ptr<MathLib::PiecewiseLinearInterpolation>>
const&
26 std::vector<std::string> vec_expressions;
31 std::string
const expression_str = p.getValue<std::string>();
32 vec_expressions.emplace_back(expression_str);
35 return std::make_unique<FunctionParameter<double>>(name, vec_expressions,