expand/clarify some comments

git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinAnalysis/AHFinderDirect/trunk@1055 f88db872-0e4f-0410-b76b-b9085cfa78c5

1 files changed, 10 insertions, 0 deletions

diff --git a/src/driver/Newton.cc b/src/driver/Newton.cc
index e39717a..6b2ef8c 100644
--- a/src/driver/Newton.cc
+++ b/src/driver/Newton.cc
@@ -475,6 +475,11 @@ assert( false );
 // the per-iteration status information from each active processor to
 // all processors.
 //
+// The present implementation of this function uses the Cactus reduction
+// API.  If AHFinderDirect is ported to some other software environment,
+// it's probably best to re-implement this function on top of whatever
+// interprocessor-broadcast facility that environment provides.
+//
 // Arguments:
 // GH --> The Cactus grid hierarchy.
 // N_procs = The total number of processors.
@@ -652,6 +657,11 @@ return any_proc_needs_more_iterations;
 // the BH diagnostics and (ghosted) horizon shape from a specified processor
 // to all processors.
 //
+// The present implementation of this function uses the Cactus reduction
+// API.  If AHFinderDirect is ported to some other software environment,
+// it's probably best to re-implement this function on top of whatever
+// interprocessor-broadcast facility that environment provides.
+//
 // Arguments:
 // GH --> The Cactus grid hierarchy.
 // broadcast_flag = true on the broadcasting processor,