from sage.structure.element cimport Element, Matrix, Vector
from sage.structure.parent_base cimport ParentWithBase
from sage.categories.action cimport Action
cdef class MatrixMulAction(Action):
cdef ParentWithBase _codomain
cdef bint fix_sparseness
cdef class MatrixMatrixAction(MatrixMulAction):
pass
cdef class MatrixVectorAction(MatrixMulAction):
pass
cdef class VectorMatrixAction(MatrixMulAction):
pass
