From b3267c3188ef8be05d13a33e215b42277ccaf56b Mon Sep 17 00:00:00 2001
From: schnetter <schnetter@850bcc8b-0e4f-0410-8c26-8d28fbf1eda9>
Date: Tue, 22 Mar 2005 15:17:07 +0000
Subject: Correct checks for whether there are enough ghost zones

git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Dissipation/trunk@7 850bcc8b-0e4f-0410-8c26-8d28fbf1eda9
---
 src/dissipation.c | 2 +-
 src/paramcheck.c  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/dissipation.c b/src/dissipation.c
index 44a8eb2..6191cc0 100644
--- a/src/dissipation.c
+++ b/src/dissipation.c
@@ -49,7 +49,7 @@ apply (int const varindex, char const * const optstring, void * const arg)
   assert (varindex >= 0);
   
   for (d=0; d<cctk_dim; ++d) {
-    if (cctk_nghostzones[d] < order/2) {
+    if (cctk_nghostzones[d] < (order+1)/2) {
       CCTK_WARN (0, "This thorn requires at least order/2 ghost zones");
     }
   }
diff --git a/src/paramcheck.c b/src/paramcheck.c
index 47d541a..e2ccc0d 100644
--- a/src/paramcheck.c
+++ b/src/paramcheck.c
@@ -15,8 +15,8 @@ void dissipation_paramcheck (CCTK_ARGUMENTS)
   }
   
   for (d=0; d<cctk_dim; ++d) {
-    if (cctk_nghostzones[d] < order/2) {
-      CCTK_PARAMWARN ("This thorn requires at least order/2 ghost zones");
+    if (cctk_nghostzones[d] < (order+1)/2) {
+      CCTK_PARAMWARN ("This thorn requires at least (order+1)/2 ghost zones");
     }
   }
 }
-- 
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