Only copy the buffer size, memuse_log_count can exceed this, also make the log pointer volatile to stop potential reordering

Prevent users from using an FFT mesh with more than 2^31 cells, which would cause an integer over-flow in the loops.

Improvement to the stand-alone FOF tool

See merge request !827

Only call engine_rebuild() and not engine_init_particles() in main_fof. We don't need the full thing.

Remove the option of a dry run. Print the number of BHs read in on startup. Do not print the number of seeds to create in the fof_dump_data() function.

Fof

See merge request !543

Changed the way we set the run frequency to use a physical simulation time rather than a fixed number of steps.

Better --fof help string and prevent the code from running with black holes seeding if the black holes policy has not been chosen.

EAGLE star formation: Change the over density criteria

See merge request !825