ENH some more functionality in find_constraint function: maybe we don't want to compute dpsi, only psi.
ENH some more functionality in find_constraint function: maybe we don't want to compute dpsi, only psi.

d-mittal/pystruct,massmutual/pystruct,d-mittal/pystruct,amueller/pystruct,wattlebird/pystruct,wattlebird/pystruct,pystruct/pystruct,massmutual/pystruct,amueller/pystruct,pystruct/pystruct