Advance the runtime by at most max_steps iterations.
This is the canonical polling-first stepping API used by GUI-facing adapters. Checkpoints and compatibility snapshot-file writes still occur inside the bounded loop so polling and CLI code paths stay numerically aligned.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(solver_session_t), | intent(inout) | :: | session | |||
| integer, | intent(in) | :: | max_steps | |||
| integer, | intent(out) | :: | steps_taken | |||
| logical, | intent(out) | :: | finished | |||
| integer, | intent(out), | optional | :: | status | ||
| character(len=*), | intent(out), | optional | :: | message |