From 11ea73b7232dbf7b3f9d9f0767ad0a5936fcd0ca Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@gmail.com>
Date: Thu, 7 Jun 2012 15:19:38 -0500
Subject: CarpetLib: Output error message for illegal bbox setups

---
 Carpet/CarpetLib/src/bbox.hh | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'Carpet')

diff --git a/Carpet/CarpetLib/src/bbox.hh b/Carpet/CarpetLib/src/bbox.hh
index f9fe2b906..2847576b5 100644
--- a/Carpet/CarpetLib/src/bbox.hh
+++ b/Carpet/CarpetLib/src/bbox.hh
@@ -80,6 +80,11 @@ public:
 #ifdef CARPET_DEBUG
     assert_bbox_limits();
 #endif
+    if (not (all (stride() > T(0))) or
+        not (all ((upper() - lower()) % stride() == T(0))))
+    {
+      cerr << "bbox: lower=" << lower() << " upper=" << upper() << " stride=" << stride() << "\n";
+    }
     assert (all (stride() > T(0)));
     assert (all ((upper() - lower()) % stride() == T(0)));
   }
-- 
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