From e8dcf65ac8923ace1573e2da0f3dc40b9f6c6040 Mon Sep 17 00:00:00 2001
From: schnetter <schnetter@c3c03602-0f4f-0410-b3fa-d2c81c8a7dc5>
Date: Wed, 11 Nov 2009 03:27:42 +0000
Subject: Use aliased function GetLocalComponents (if present) to ensure that
 there are at most one component per MPI process.

Remove cvs $Header$ comments.


git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/RotatingSymmetry90/trunk@47 c3c03602-0f4f-0410-b3fa-d2c81c8a7dc5
---
 README | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'README')

diff --git a/README b/README
index 434ec8b..76c047f 100644
--- a/README
+++ b/README
@@ -20,3 +20,21 @@ y directions.
 
 This symmetry boundary condition can be mixed with arbitrary symmetry
 conditions in the z direction, e.g. bitant or periodicity.
+
+
+
+================================================================================
+
+
+
+R90: operator that rotates points (counter-clockwise) by 90 degrees
+
+f(x) = f(R90 x) = f(R180 x) = f(R270 )
+
+
+symmetry about x=0:
+
+f  (-x) =  f  (+x)
+vx (-x) =  vx (+x)
+vy (-x) = -vy (+x)
+vz: same as scalar
-- 
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