This contains the multigrid-specific aspects of APBS.  The following files
are taken from the PMG library by Mike Holst and adapted for use with APBS.
Please refer to PMG-README and PMG-LICENSE for these files:
  buildAd.f
  buildBd.f
  buildGd.f
  buildPd.f
  cgd.f
  cgmgd.f
  cgmgdrvd.f
  dlphsubd.f
  gsd.f
  mainsubd.f
  matvecd.f
  mblasd.f
  mgcsd.f
  mgdrvd.f
  mgfasd.f
  mgsubd.f
  mikpckd.f
  mlinpckd.f
  ncgd.f
  ncgdrvd.f
  newdrvd.f
  newtond.f
  ngsd.f
  ngsdrvd.f
  ninterpd.f
  nrchd.f
  nrchdrvd.f
  nsmoothd.f
  nsord.f
  nsordrvd.f
  nwjd.f
  nwjdrvd.f
  powerd.f
  rchd.f
  smoothd.f
  sord.f
  wjd.f
The remaining files were written by Nathan Baker.
