24#ifndef quantlib_flatextrapolation2D_hpp
25#define quantlib_flatextrapolation2D_hpp
39 impl_ = ext::shared_ptr<Interpolation2D::Impl>(
abstract base class for 2-D interpolation implementations
base class for 2-D interpolations.
ext::shared_ptr< Impl > impl_
Matrix used in linear algebra.
std::size_t Size
size of a container
abstract base classes for 2-D interpolations