1 files changed, 3 insertions, 3 deletions
diff --git a/src/CartGrid3D.c b/src/CartGrid3D.c
index dbb18b6..6a50332 100644
--- a/src/CartGrid3D.c
+++ b/src/CartGrid3D.c
@@ -428,15 +428,15 @@ void CartGrid3D(CCTK_ARGUMENTS)
   
   
   if ((domainsym[0]==GFSYM_ROTATION_Y || domainsym[2]==GFSYM_ROTATION_X)
-      && (lowerz != -upperz))
+      && (lowerz + upperz > 1e-12))
     CCTK_WARN(0, "minimum z must equal maximum z for rotation symmetry");
 
   if ((domainsym[0]==GFSYM_ROTATION_Z || domainsym[4]==GFSYM_ROTATION_X) 
-      && (lowery != -uppery))
+      && (lowery + uppery > 1e-12))
     CCTK_WARN(0, "minimum y must equal maximum y for rotation symmetry");
 
   if ((domainsym[2]==GFSYM_ROTATION_Z || domainsym[4]==GFSYM_ROTATION_Y)
-       && (lowerx != -upperx))
+       && (lowerx - upperx > 1e-12))
     CCTK_WARN(0, "minimum x must equal maximum x for rotation symmetry");