[pdal-commits] [PDAL/PDAL] bb4acc: Add the ability to merge summary statistics (#3322)

[Andrew Bell]

  Branch: refs/heads/master
  Home:   https://github.com/PDAL/PDAL
  Commit: bb4acce57911e77e26ee267f33aec93a7005c388
      https://github.com/PDAL/PDAL/commit/bb4acce57911e77e26ee267f33aec93a7005c388
  Author: Andrew Bell <andrew.bell.ia at gmail.com>
  Date:   2020-12-24 (Thu, 24 Dec 2020)

  Changed paths:
    M filters/StatsFilter.cpp
    M filters/StatsFilter.hpp
    M test/unit/filters/StatsFilterTest.cpp

  Log Message:
  -----------
  Add the ability to merge summary statistics (#3322)

* Add ability to merge stat summaries.

* Use random engine that is consistent across platforms.

* Alpine actually requires an int type.

* Fix spelling.