From 22baedd972429c03c4c4d836a11f81f646ce0c92 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Mon, 6 Feb 2012 10:11:22 -0500
Subject: Add debugging tests for NaN values.

---
 libdimension/dimension/object.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libdimension/dimension/object.h')

diff --git a/libdimension/dimension/object.h b/libdimension/dimension/object.h
index 9019c69..28cc266 100644
--- a/libdimension/dimension/object.h
+++ b/libdimension/dimension/object.h
@@ -134,6 +134,10 @@ dmnsn_object_intersection(const dmnsn_object *object, dmnsn_line line,
       intersection->object = object;
     }
 
+    dmnsn_assert(!isnan(intersection->t), "Intersection point is NaN.");
+    dmnsn_assert(!dmnsn_vector_isnan(intersection->normal),
+                 "Intersection normal is NaN.");
+
     return true;
   } else {
     return false;
-- 
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