.. py:class:: ComputeInfo(all_info, group)
The constructor of an object of computing some important information, including temperature, pressure, momentum, and potential of a group of particles.
:param AllInfo all_info: The system information.
:param ParticleSet group: The group of particles.
.. py:function:: setNdof(unsigned int nfreedom)
sets the degree of freedom.
Example::
comp_info = gala.ComputeInfo(all_info, group)