Closes https://github.com/inducer/arraycontext/issues/70.

* add a leaf_class parameter to flatten

* add some docs to flatten for leaf_class

* allow specifying leaf class in recursive map and map-reduce

* revert broken changes to decorators

* add leaf_class to decorators

* add tests for [multi]mapped_over_array_containers

Co-authored-by: Andreas Klöckner <inform@tiker.net>

Kaushik Kulkarni authored 3 years ago and Andreas Klöckner committed 3 years ago

`compile` only supported compiling callables that returned array
containers. Extends the logic to support compiling callables that simply
return thawed arrays.

Refactor PytatoActx.compile for usability by distributed

* Make broadcast settings visible on users of with_container_arithmetic

* Remove stray debug print

Co-authored-by: Alex Fikl <alexfikl@gmail.com>

* Fix _outer_bcast_types attribute name

* add alternate outer product

* add empty line

Co-authored-by: Andreas Klöckner <inform@tiker.net>

* add comment explaining _outer_bcast_types

Co-authored-by: Andreas Klöckner <inform@tiker.net>

* add more detail to docstring first line

Co-authored-by: Andreas Klöckner <inform@tiker.net>

* rename is_scalar -> treat_as_scalar

* treat non-object numpy arrays as scalars in outer

* remove use of deprecated is_array_container

* clarify usage of isinstance(..., ndarray) for object array detection

Co-authored-by: Andreas Klöckner <inform@tiker.net>

Co-authored-by: Andreas Kloeckner <inform@tiker.net>
Co-authored-by: Alex Fikl <alexfikl@gmail.com>

Flatten entire array containers