text: """Module contains the functions for convergence related processing."""
  
  #   ***********************************************************************
  #
  #   FILE         converg.py
  #
  #   AUTHOR       Dr. Vishal Sharma
  #
  #   VERSION      1.0.0-alpha5
  #
  #   WEBSITE      https://github.com/vxsharma-14/project-NAnPack
  #
  #   NAnPack Learner's Edition is distributed under the MIT License.
  #
  #   Copyright (c) 2022 Vishal Sharma
  #
  #   Permission is hereby granted, free of charge, to any person
  #   obtaining a copy of this software and associated documentation
  #   files (the "Software"), to deal in the Software without restriction,
  #   including without limitation the rights to use, copy, modify, merge,
  #   publish, distribute, sublicense, and/or sell copies of the Software,
  #   and to permit persons to whom the Software is furnished to do so,
  #   subject to the following conditions:
  #
  #   The above copyright notice and this permission notice shall be
  #   included in all copies or substantial portions of the Software.
  #
  #   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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  #   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  #   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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  #   ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  #   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  #   SOFTWARE.
  #
  #   You should have received a copy of the MIT License along with
  #   NAnPack Learner's Edition.
  #
  #   ***********************************************************************
  
  
  def monitor(n, error, ndisp):
      """Print error."""
      if n == 0 or n == 1:
          print(f'{"ITER":>7} {"ERROR":>15}')
          print(f'{"----":>7} {"-----":>15}')
  
      if n % ndisp == 0:
          print(f"{n:>7} {error:>15.8f}")
  