Base type to define an abstract linear operator. All other types defined in
LightKrylov
derive from this fundamental one.
Warning
Users should not extend this abstract class to define their own types.
type, abstract, public :: abstract_linop !! Base type to define an abstract linear operator. All other types defined in !! `LightKrylov` derive from this fundamental one. !! !! @warning !! Users should not extend this abstract class to define their own types. !! @endwarning end type abstract_linop