virtual Teuchos::ArrayRCP< scalar_type >
fetchNonConstView (multivector_type& A) const
{
using Teuchos::arcpFromArrayView;
using Teuchos::arrayView;
typedef Teuchos::ArrayView< scalar_type >::size_type size_type;
const size_type nelts = fetchArrayLength (A);
// The returned ArrayRCP does NOT own A.Values().
return arcpFromArrayView (arrayView (A.Values(), nelts));
}
virtual Teuchos::ArrayRCP< const scalar_type >
fetchConstView (const multivector_type& A) const
{
using Teuchos::arcpFromArrayView;
using Teuchos::arrayView;
using Teuchos::ArrayView;
typedef ArrayView< scalar_type >::size_type size_type;
const size_type nelts = fetchArrayLength (A);
const scalar_type* A_ptr = A.Values();
ArrayView< const scalar_type > A_view = arrayView (A_ptr, nelts);
// The returned ArrayRCP does NOT own A.Values().
return arcpFromArrayView (A_view);
}