old_contents: # -*- coding: utf-8 -*-
  """
  
  Author
  ------
  Bo Zhang
  
  Email
  -----
  bozhang@nao.cas.cn
  
  Created on
  ----------
  - Mon Jan  4 20:08:23 2016
  
  Modifications
  -------------
  -
  
  Aims
  ----
  - implement handy functions
  
  """
  
  
  import numpy as np
  
  
  def logical_and_ext(ind_list):
      """ return the logical_and results for a list of index
  
      Parameters:
      -----------
      ind_list: list
          The list of ind arrays
  
      Returns:
      --------
      ind: array
          The logical_and result of the input ind_list
      """
      # assert that at least two ind are in the list
      assert len(ind_list) > 1
      # assert that all the ind have the same shape
      sp = ind_list[0].flatten().shape
      for ind in ind_list[1:]:
          assert sp == ind.flatten().shape
      # evaluate the logical_and result
      ind0 = ind_list[0].flatten()
      for ind in ind_list[1:]:
          ind0 = np.logical_and(ind0, ind.flatten())
      return ind0
  
  
  def logical_or_ext(ind_list):
      """ return the logical_or results for a list of index
  
      Parameters:
      -----------
      ind_list: list
          The list of ind arrays
      
      Returns:
      --------
      ind: array
          The logical_or result of the input ind_list
      """
      # assert that at least two ind are in the list
      assert len(ind_list) > 1
      # assert that all the ind have the same shape
      sp = ind_list[0].flatten().shape
      for ind in ind_list[1:]:
          assert sp == ind.flatten().shape
      # evaluate the logical_and result
      ind0 = ind_list[0].flatten()
      for ind in ind_list[1:]:
          ind0 = np.logical_or(ind0, ind.flatten())
      return ind0
  
  def core_print():
      print 'bopy is coming!'
  
  
  
  
  
  
  
  if __name__ == '__main__':
      print logical_or_ext([np.ones(shape=(1,100)), np.zeros(shape=(2,50))])
      print logical_and_ext([np.ones(shape=(1,100)), np.zeros(shape=(2,50))])
      print "@Cham: test passed ..."
  
  
  
new_contents: # -*- coding: utf-8 -*-
  """
  
  Author
  ------
  Bo Zhang
  
  Email
  -----
  bozhang@nao.cas.cn
  
  Created on
  ----------
  - Mon Jan  4 20:08:23 2016
  
  Modifications
  -------------
  - Fri Jul 15 11:18:30 2016
  -
  
  Aims
  ----
  - implement handy functions
  
  """
  
  
  import numpy as np
  
  
  def logical_and_ext(ind_list):
      """ return the logical_and results for a list of index
  
      Parameters:
      -----------
      ind_list: list
          The list of ind arrays
  
      Returns:
      --------
      ind: array
          The logical_and result of the input ind_list
      """
      # assert that at least two ind are in the list
      assert len(ind_list) > 1
      # assert that all the ind have the same shape
      sp = ind_list[0].flatten().shape
      for ind in ind_list[1:]:
          assert sp == ind.flatten().shape
      # evaluate the logical_and result
      ind0 = ind_list[0].flatten()
      for ind in ind_list[1:]:
          ind0 = np.logical_and(ind0, ind.flatten())
      return ind0
  
  
  def logical_or_ext(ind_list):
      """ return the logical_or results for a list of index
  
      Parameters:
      -----------
      ind_list: list
          The list of ind arrays
      
      Returns:
      --------
      ind: array
          The logical_or result of the input ind_list
      """
      # assert that at least two ind are in the list
      assert len(ind_list) > 1
      # assert that all the ind have the same shape
      sp = ind_list[0].flatten().shape
      for ind in ind_list[1:]:
          assert sp == ind.flatten().shape
      # evaluate the logical_and result
      ind0 = ind_list[0].flatten()
      for ind in ind_list[1:]:
          ind0 = np.logical_or(ind0, ind.flatten())
      return ind0
  
  
  def bopy_test():
      """ To inform users whether the BOPY is correctly installed
  
      Examples
      --------
      >>> from bopy.core import bopy_test
      >>> bopy_test()
  
      """
      print("Welcome to ""BOPY""!")
  
  
  if __name__ == '__main__':
      # print logical_or_ext([np.ones(shape=(1,100)), np.zeros(shape=(2,50))])
      # print logical_and_ext([np.ones(shape=(1,100)), np.zeros(shape=(2,50))])
      print "@Cham: test passed ..."
      bopy_test()
  
  
  
subject: update core.py: add bopy_test()