aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorjthorn <jthorn@f88db872-0e4f-0410-b76b-b9085cfa78c5>2002-10-28 16:10:15 +0000
committerjthorn <jthorn@f88db872-0e4f-0410-b76b-b9085cfa78c5>2002-10-28 16:10:15 +0000
commit9e9a76fe8675a45396fcb07f3fb8e65a19b48ed4 (patch)
tree4c607d7d9349d3776b61216ae136467817e3ae91 /src
parent173443467ee6bd59f78e1c8e413e9ffe2aaac55d (diff)
expand/clarify comments about how we handle a corner between two
symmetry ghost zones git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinAnalysis/AHFinderDirect/trunk@866 f88db872-0e4f-0410-b76b-b9085cfa78c5
Diffstat (limited to 'src')
-rw-r--r--src/patch/ghost_zone.hh4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/patch/ghost_zone.hh b/src/patch/ghost_zone.hh
index c548145..2946837 100644
--- a/src/patch/ghost_zone.hh
+++ b/src/patch/ghost_zone.hh
@@ -61,7 +61,9 @@
// symmetry operations to get gridfn data in the corner from the
// nominal grid. Symmetry operations commute, so at each point we'll
// always get the same results independently of in which order we do
-// the symmetry operations.
+// the symmetry operations. Computationally, we actually do the operations
+// in both orders, one order's results overwriting the other's, but
+// this doesn't matter (because the results are the same).
// * A corner between two interpatch ghost zones, for example the +x/+y
// corner in the example below. In this case we could get the gridfn
// data by either of two distinct interpolation operations (presumably