Handle groups without variables correctly when checking tensor type

aliases.


git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/RotatingSymmetry180/trunk@14 20f44201-0f4f-0410-9130-e5fc2714a787

1 files changed, 1 insertions, 0 deletions

diff --git a/src/interpolate.c b/src/interpolate.c
index bb5a286..fac3409 100644
--- a/src/interpolate.c
+++ b/src/interpolate.c
@@ -28,6 +28,7 @@ Rot180_CheckTensorTypes (CCTK_ARGUMENTS)
     int ierr;
     
     numvars = CCTK_NumVarsInGroupI(gi);
+    if (numvars == 0) continue;
     assert (numvars>0);
     firstvar = CCTK_FirstVarIndexI(gi);
     assert (firstvar>=0);