Allow negative amplitudes.

1 files changed, 1 insertions, 1 deletions

diff --git a/param.ccl b/param.ccl
index 2834034..fde4753 100644
--- a/param.ccl
+++ b/param.ccl
@@ -10,7 +10,7 @@ EXTENDS KEYWORD initial_data
 RESTRICTED:
 CCTK_REAL amplitude "Wave amplitude A."
 {
-    0: :: ""
+    : :: ""
 } 1.0
 
 CCTK_INT eppley_n ""