1 files changed, 18 insertions, 0 deletions
diff --git a/param.ccl b/param.ccl
index 69727c7..179d7ee 100644
--- a/param.ccl
+++ b/param.ccl
@@ -10,3 +10,21 @@ private:
 BOOLEAN normalize_dtheta_dphi "Project angular components onto r*dtheta and r*sin(theta)*dphi?"
 {
 } "no"
+
+
+
+BOOLEAN ricci_persist "Keep storage of  the  Ricci tensor and scalar around?"
+{
+} "no"
+
+INT ricci_timelevels "Number of time levels for the Ricci tensor and scalar"
+{
+  1:3 :: ""
+} 1
+
+KEYWORD ricci_prolongation_type "The kind of boundary prolongation for the Ricci tensor and scalar"
+{
+  "Lagrange" :: "standard prolongation (requires several time levels)"
+  "copy"     :: "use data from the current time level (requires only one time level)"
+  "none"     :: "no prolongation (use this if you do not have enough time levels active)"
+} "none"