Implement higher-order finite differences.

1 files changed, 4 insertions, 0 deletions

diff --git a/param.ccl b/param.ccl
index e6b39e2..1718290 100644
--- a/param.ccl
+++ b/param.ccl
@@ -8,3 +8,7 @@ EXTENDS KEYWORD lapse_evolution_method
 }
 
 RESTRICTED:
+CCTK_INT fd_stencil "finite differencing stencil"
+{
+    1: :: ""
+} 1