#
# PAOFLOW
#
# Copyright 2016-2022 - Marco BUONGIORNO NARDELLI (mbn@unt.edu)
#
# Reference:
#
# F.T. Cerasoli, A.R. Supka, A. Jayaraj, I. Siloi, M. Costa, J. Slawinska, S. Curtarolo, M. Fornari, D. Ceresoli, and M. Buongiorno Nardelli,
# Advanced modeling of materials with PAOFLOW 2.0: New features and software design, Comp. Mat. Sci. 200, 110828 (2021).
#
# M. Buongiorno Nardelli, F. T. Cerasoli, M. Costa, S Curtarolo,R. De Gennaro, M. Fornari, L. Liyanage, A. Supka and H. Wang, 
# PAOFLOW: A utility to construct and operate on ab initio Hamiltonians from the Projections of electronic wavefunctions on 
# Atomic Orbital bases, including characterization of topological materials, Comp. Mat. Sci. vol. 143, 462 (2018).
#
# This file is distributed under the terms of the
# GNU General Public License. See the file `License'
# in the root directory of the present distribution,
# or http://www.gnu.org/copyleft/gpl.txt .

def header ( ):
  print('')
  print('#############################################################################################')
  print('#                                                                                           #')
  print('#                                          PAOFLOW                                          #')
  print('#                                                                                           #')
  print('#                  Utility to construct and operate on Hamiltonians from                    #')
  print('#                 the Projections of DFT wfc on Atomic Orbital bases (PAO)                  #')
  print('#                                                                                           #')
  print('#                       (c)2016-2022 ERMES group (http://ermes.unt.edu)                     #')
  print('#############################################################################################\n')
