MueLu: adding easy xml for coordinates transfer using the toggle factory
Created by: lucbv
@trilinos/muelu
Most changes happen in the parameter list interpreter and the toggle coordinates transfer factory. Adding a check in ToggleCoordinatesTransferFactory in case no coordinates are available on level 0.
Description
This PR adds some logic to the easy xml interface providing capabilities for the toggle and semi-coarsening.
Motivation and Context
This feature is requested by @ikalash for ice sheet simulations