From f7c07e67f281cd2160ac1a6e3ba8330877d109dc Mon Sep 17 00:00:00 2001
From: schnetter <schnetter@f69c4107-0314-4c4f-9ad4-17e986b73f4a>
Date: Mon, 12 Feb 2007 20:47:02 +0000
Subject: Require 2, not 1 ghost zones.

git-svn-id: https://svn.cct.lsu.edu/repos/numrel/LSUThorns/SummationByParts/trunk@83 f69c4107-0314-4c4f-9ad4-17e986b73f4a
---
 src/Derivatives_4_3.F90 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Derivatives_4_3.F90 b/src/Derivatives_4_3.F90
index 85c6715..d40c7b6 100644
--- a/src/Derivatives_4_3.F90
+++ b/src/Derivatives_4_3.F90
@@ -87,7 +87,7 @@ subroutine deriv_gf_4_3 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar )
 
   idel = 1.0_wp / delta
 
-  if (gsize < 1) call CCTK_WARN (0, "not enough ghostzones")
+  if (gsize < 2) call CCTK_WARN (0, "not enough ghostzones")
 
   direction: select case (dir)
   case (0) direction
-- 
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