Use a dedicated MPI type for the pcells. Also use the m-pole MPI type for the communications instead of MPI_BYTE.

Correctly move the reading pointers for the various chunks in the parallel HDF5 i/o module. Increase the hdf5 chunk size to 1MB

Use the correct definition of the mean inter-particle separation for the max RMS displacement time-step calculation.

Mpi periodic gravity

See merge request !589

Improved documentation of the small cosmo volume test case and added Gadget-2 equivalent parameter file.

Santa barbara cluster and correct cosmological terms in Gadget-SPH

See merge request !603

Comoving energy sph

See merge request !597

Use a gravity glass file to generate the ICs of the constant cosmological volume

See merge request !602

Numerically motivated maximal distance for the gravity proxies and better calculation of the upper-bound.

Traced the bug back to the splitting condition in scheduler_splittask not being symmetric because of rounding