Currently, the adapter only supports checkpointing for a single field. It would be useful to be able to checkpoint an arbitrary number of fields like suggested in https://github.com/precice/tutorials/issues/50.
Note: We need to implement this in a backwards compatible and non-breaking fashion. Meaning, if we follow the approach suggested in https://github.com/precice/tutorials/issues/50 the checkpointing functions need to be able to accept u_n and (u_n) (no tuple vs. tuple).
Currently, the adapter only supports checkpointing for a single field. It would be useful to be able to checkpoint an arbitrary number of fields like suggested in https://github.com/precice/tutorials/issues/50.
This feature was also requested in our forum. See https://precice.discourse.group/t/fenics-precice-implicit-coupling-with-multiple-fields-in-checkpoint/1806.
Note: We need to implement this in a backwards compatible and non-breaking fashion. Meaning, if we follow the approach suggested in https://github.com/precice/tutorials/issues/50 the checkpointing functions need to be able to accept
u_nand(u_n)(no tuple vs. tuple).