Add parameter to poison periodic boundaries

Add a parameter to poison periodic boundaries before the periodicity
condition is applied. This allows detecting errors in the periodicity
boundary condition, which does not work if there are multiple local
components per process.


git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/Periodic/trunk@31 1bf05452-ddb3-4880-bfa1-00436340132b

1 files changed, 11 insertions, 0 deletions

diff --git a/param.ccl b/param.ccl
index fa1f5ca..d43e02b 100644
--- a/param.ccl
+++ b/param.ccl
@@ -19,3 +19,14 @@ BOOLEAN periodic_y "Periodic boundary conditions in y-direction"
 BOOLEAN periodic_z "Periodic boundary conditions in z-direction"
 {
 } "no"
+
+
+
+BOOLEAN poison_boundaries "Fill the symmetry boundary with a poison value before the symmetry is applied, and check afterwards whether it has been overwritten" STEERABLE=always
+{
+} "no"
+
+CCTK_INT poison_value "Integer value (0..255) used to poison new timelevels (with memset)" STEERABLE=always
+{
+  0:255 :: "Must fit into a byte.  Use 0 for zero, 255 for nan, and e.g. 113 for a large value."
+} 254