From 450eb86adf1d0634dd4c97bfc1bae405ca51f491 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Sun, 6 Jun 2010 00:20:43 -0600
Subject: New bounding box special constructors.

---
 libdimension/dimension/geometry.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

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

diff --git a/libdimension/dimension/geometry.h b/libdimension/dimension/geometry.h
index 8e2e47c..effac7c 100644
--- a/libdimension/dimension/geometry.h
+++ b/libdimension/dimension/geometry.h
@@ -101,6 +101,26 @@ dmnsn_new_line(dmnsn_vector x0, dmnsn_vector n)
   return l;
 }
 
+DMNSN_INLINE dmnsn_bounding_box
+dmnsn_zero_bounding_box()
+{
+  dmnsn_bounding_box box = {
+    {  INFINITY,  INFINITY,  INFINITY },
+    { -INFINITY, -INFINITY, -INFINITY }
+  };
+  return box;
+}
+
+DMNSN_INLINE dmnsn_bounding_box
+dmnsn_infinite_bounding_box()
+{
+  dmnsn_bounding_box box = {
+    { -INFINITY, -INFINITY, -INFINITY },
+    {  INFINITY,  INFINITY,  INFINITY }
+  };
+  return box;
+}
+
 /* Vector element access */
 
 enum {
-- 
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