old_contents: """
  ============================================
  Channel Coding (:mod:`commpy.channelcoding`)
  ============================================
  
  .. module:: commpy.channelcoding
  
  Galois Fields
  =============
  
  .. autosummary::
      :toctree: generated/
  
      GF   -- Class representing a Galois Field object.
  
  Algebraic Codes
  ===============
  
  .. autosummary::
      :toctree: generated/
  
      cyclic_code_genpoly -- Generate a cylic code generator polynomial.
  
  
  Convolutional Codes
  ===================
  
  .. autosummary::
      :toctree: generated/
  
      Trellis          -- Class representing convolutional code trellis.
      conv_encode      -- Convolutional Encoder.
      viterbi_decode   -- Convolutional Decoder using the Viterbi algorithm.
  
  
  Turbo Codes
  ===========
  
  .. autosummary::
      :toctree: generated/
  
      turbo_encode    -- Turbo Encoder.
      map_decode      -- Convolutional Code decoder using MAP algorithm.
      turbo_decode    -- Turbo Decoder.
  
  LDPC Codes
  ==========
  
  .. autosummary::
      :toctree: generated/
  
      get_ldpc_code_params    -- Extract parameters from LDPC code design file.
      ldpc_bp_decode          -- LDPC Code Decoder using Belief propagation.
  
  Interleavers and De-interleavers
  ================================
  
  .. autosummary::
      :toctree: generated/
  
      RandInterlv    -- Random Interleaver.
  
  """
  
  from commpy.channelcoding.convcode import Trellis, conv_encode, viterbi_decode
  from commpy.channelcoding.interleavers import *
  from commpy.channelcoding.turbo import turbo_encode, map_decode, turbo_decode
  from commpy.channelcoding.ldpc import get_ldpc_code_params, ldpc_bp_decode
  from commpy.channelcoding.gfields import *
  from commpy.channelcoding.algcode import *
  
  try:
      from numpy.testing import Tester
      test = Tester().test
  except:
      pass
  
new_contents: """
  ============================================
  Channel Coding (:mod:`commpy.channelcoding`)
  ============================================
  
  .. module:: commpy.channelcoding
  
  Galois Fields
  =============
  
  .. autosummary::
      :toctree: generated/
  
      GF   -- Class representing a Galois Field object.
  
  Algebraic Codes
  ===============
  
  .. autosummary::
      :toctree: generated/
  
      cyclic_code_genpoly -- Generate a cylic code generator polynomial.
  
  
  Convolutional Codes
  ===================
  
  .. autosummary::
      :toctree: generated/
  
      Trellis          -- Class representing convolutional code trellis.
      conv_encode      -- Convolutional Encoder.
      viterbi_decode   -- Convolutional Decoder using the Viterbi algorithm.
  
  
  Turbo Codes
  ===========
  
  .. autosummary::
      :toctree: generated/
  
      turbo_encode    -- Turbo Encoder.
      map_decode      -- Convolutional Code decoder using MAP algorithm.
      turbo_decode    -- Turbo Decoder.
  
  LDPC Codes
  ==========
  
  .. autosummary::
      :toctree: generated/
  
      get_ldpc_code_params    -- Extract parameters from LDPC code design file.
      ldpc_bp_decode          -- LDPC Code Decoder using Belief propagation.
  
  Interleavers and De-interleavers
  ================================
  
  .. autosummary::
      :toctree: generated/
  
      RandInterlv    -- Random Interleaver.
  
  """
  
  from commpy.channelcoding.algcode import *
  from commpy.channelcoding.convcode import Trellis, conv_encode, viterbi_decode
  from commpy.channelcoding.gfields import *
  from commpy.channelcoding.interleavers import *
  from commpy.channelcoding.ldpc import get_ldpc_code_params, ldpc_bp_decode, triang_ldpc_systematic_encode, \
      write_ldpc_params, build_matrix
  from commpy.channelcoding.turbo import turbo_encode, map_decode, turbo_decode
  
  try:
      from numpy.testing import Tester
      test = Tester().test
  except:
      pass
  
subject: Add LDPC new functions to __init__.py