Added Fran Moreno's Kd-Tree implementation and RGBE functions.

rgbe.hpp

@@ -0,0 +1,27 @@
+/* THIS CODE CARRIES NO GUARANTEE OF USABILITY OR FITNESS FOR ANY PURPOSE.
+ * WHILE THE AUTHORS HAVE TRIED TO ENSURE THE PROGRAM WORKS CORRECTLY,
+ * IT IS STRICTLY USE AT YOUR OWN RISK.  */
+
+/* This file contains code to read and write four byte rgbe file format
+ developed by Greg Ward.  It handles the conversions between rgbe and
+ pixels consisting of floats.  The data is assumed to be an array of floats.
+ By default there are three floats per pixel in the order red, green, blue.
+ (RGBE_DATA_??? values control this.)  Only the mimimal header reading and 
+ writing is implemented.  Each routine does error checking and will return
+ a status value as defined below.  This code is intended as a skeleton so
+ feel free to modify it to suit your needs.
+
+ (Place notice here if you modified the code.)
+ posted to http://www.graphics.cornell.edu/~bjw/
+ written by Bruce Walter  (bjw@graphics.cornell.edu)  5/26/95
+ based on code written by Greg Ward
+*/
+
+#pragma once
+#ifndef RGBE_HPP
+#define RGBE_HPP
+
+extern void float2rgbe(unsigned char rgbe[4], float red, float green, float blue);
+extern void rgbe2float(float & red, float & green, float & blue, unsigned char rgbe[4]);
+  
+#endif