They are not suitable for more than 2 devices/execution types; their design
breaks the Open-Closed Principle. Instead, a type template "Self" was
created, which allows to change any template parameter.

Fixes #46

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.

Restored Array/ArrayView save and load with file name.

Jakub Klinkovský authored 6 years ago and Tomáš Oberhuber committed 6 years ago

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

NDArray-style...

TODO: update documentation and examples

This is closer to value_type which is used in STL containers.