* extend generate_icosphere to tensor product groups

* renamed to generate_cube_surface and add to docs

* rename to generate_sphere and deprecate

* remove usages of deprecated generate_icosphere

* add docs for group_cls in generate_sphere

* actually add deprecation warning

* Drop generate_icosphere from docs

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

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

Make separate PolynomialWarpAndBlend{2,3}DGroupFactory, deprecate PolynomialWarpAndBlendGroupFactory

* Add generate_cylinder

* generalize to surface of revolution

* Use a callable function to get the radius

* add space around modulo operator

* Doc nitpicking for generate_surface_of_revolution

* Remove whitespace on blank line

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

- actx.np.linalg.norms(DOFArray) is deprecated (uses 2D arrays
  internally, which, in strict numpy compatibility, would compute a
  matrix norm)
- Bring back dof_array.flat_norm
- Take actx.np.linalg.norm and flat_norm recursively over array containers

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

Avoid on-the-fly gmsh generation, to avoid flaky CI--e.g. https://gitlab.tiker.net/inducer/meshmode/-/jobs/69357)