Bug fix in smearing function for gamma-point SCF methods
Bug fix in smearing function for gamma-point SCF methods

gkc1000/pyscf,sunqm/pyscf,sunqm/pyscf,gkc1000/pyscf,gkc1000/pyscf,gkc1000/pyscf,gkc1000/pyscf,sunqm/pyscf,sunqm/pyscf