getConstView should be always used for const operations, because
explicit is better than implicit. Overloading one method for cases which
have a completely different type (ConstViewType is *not* just a
const-qualified ViewType) can be very unclear (or even ambiguous) in
certain cases.

Jakub Klinkovský authored 5 years ago and Tomáš Oberhuber committed 5 years ago

Added getView() and getConstView() methods to Array, ArrayView, Vector, VectorView, DistributedArray, DistributedArrayView, DistributedVector and DistributedVectorView

NDArray-style...

TODO: update documentation and examples

fixes #13

This allows int-vectors to be multiplied by float-scalars, producing
accurate int values (e.g. 4.2 * 10 == 42).

[skip ci]

They are virtual, currently not needed and only complicate things.