1 files changed, 33 insertions, 0 deletions
diff --git a/param.ccl b/param.ccl
index 4e34d41..1693654 100644
--- a/param.ccl
+++ b/param.ccl
@@ -65,3 +65,36 @@ KEYWORD metric_type "The semantics of the metric variables (physical, static con
 {
   "physical" :: "metric and extrinsic curvature are the physical ones"
 } "physical"
+
+KEYWORD lapse_prolongation_type "The kind of boundary prolongation for the lapse"
+{
+  "Lagrange" :: "standard prolongation (requires several time levels)"
+  "none"     :: "no prolongation (use this if you do not have enough time levels active)"
+} "Lagrange"
+
+KEYWORD shift_prolongation_type "The kind of boundary prolongation for the shift"
+{
+  "Lagrange" :: "standard prolongation (requires several time levels)"
+  "none"     :: "no prolongation (use this if you do not have enough time levels active)"
+} "Lagrange"
+
+KEYWORD metric_prolongation_type "The kind of boundary prolongation for the metric and extrinsic curvature"
+{
+  "Lagrange" :: "standard prolongation (requires several time levels)"
+  "none"     :: "no prolongation (use this if you do not have enough time levels active)"
+} "Lagrange"
+
+INT lapse_timelevels "Number of time levels for the lapse"
+{
+  0:3 :: ""
+} 1
+
+INT shift_timelevels "Number of time levels for the shift"
+{
+  0:3 :: ""
+} 1
+
+INT metric_timelevels "Number of time levels for the metric and extrinsic curvature"
+{
+  0:3 :: ""
+} 1