From 5484f1826161c42392b269981e08734cf2e4e232 Mon Sep 17 00:00:00 2001
From: schnetter <schnetter@c3c03602-0f4f-0410-b3fa-d2c81c8a7dc5>
Date: Fri, 6 Aug 2004 10:53:39 +0000
Subject: Handle groups without variables correctly when checking tensor type
 aliases.

git-svn-id: http://svn.cactuscode.org/arrangements/CactusNumerical/RotatingSymmetry90/trunk@16 c3c03602-0f4f-0410-b3fa-d2c81c8a7dc5
---
 src/interpolate.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/interpolate.c b/src/interpolate.c
index 5392293..8c0e1aa 100644
--- a/src/interpolate.c
+++ b/src/interpolate.c
@@ -255,6 +255,7 @@ Rot90_CheckTensorTypes (CCTK_ARGUMENTS)
     int ierr;
     
     numvars = CCTK_NumVarsInGroupI(gi);
+    if (numvars == 0) continue;
     assert (numvars>0);
     firstvar = CCTK_FirstVarIndexI(gi);
     assert (firstvar>=0);
-- 
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