lammps/examples/snap

This branch contains the following examples:

in.grid        # simple example of grid
in.grid.local  # simple example of grid/local
in.grid.python # used by grid.py
in.grid.test   # stress test of grid and grid/local
in.grid.tri    #  grid with triclinic cell

grid.py # access data from Python library interface

For the LAMMPS public repo, the only examples that will be provided are:

 in.grid.snap # simple test of grid and grid/local
 in.grid.tri  # same for a triclinic box
 log.15Jun22.grid.snap.g++.1
 log.15Jun22.grid.snap.g++.4
 log.15Jun22.grid.tri.g++.1
 log.15Jun22.grid.tri.g++.4