[pdal-commits] [PDAL/PDAL] 89d34b: Better comments and change SMRF too

[chambbj]

  Branch: refs/heads/issue-2898-pmf-class-zero
  Home:   https://github.com/PDAL/PDAL
  Commit: 89d34b8c8ec4e28bc52f4f11a4bffffa8c4f53c1
      https://github.com/PDAL/PDAL/commit/89d34b8c8ec4e28bc52f4f11a4bffffa8c4f53c1
  Author: Bradley J Chambers <brad.chambers at gmail.com>
  Date:   2020-02-03 (Mon, 03 Feb 2020)

  Changed paths:
    M filters/PMFFilter.cpp
    M filters/SMRFilter.cpp

  Log Message:
  -----------
  Better comments and change SMRF too