[GRASS-git] [OSGeo/grass-addons] 9c864d: i.fusion.hpf: fix scale factor

[Markus Metz]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-addons
  Commit: 9c864df9ae769779fccfb9e0d835f49d7c2cbee0
      https://github.com/OSGeo/grass-addons/commit/9c864df9ae769779fccfb9e0d835f49d7c2cbee0
  Author: Markus Metz <markus.metz.giswork at gmail.com>
  Date:   2020-09-18 (Fri, 18 Sep 2020)

  Changed paths:
    M grass7/imagery/i.fusion.hpf/i.fusion.hpf.py

  Log Message:
  -----------
  i.fusion.hpf: fix scale factor

avoid zero and division by zero in the scale factors