1 files changed, 28 insertions, 0 deletions

diff --git a/linden/indra/llmath/llquantize.h b/linden/indra/llmath/llquantize.h
index a4fd67a..817c4c3 100644
--- a/linden/indra/llmath/llquantize.h
+++ b/linden/indra/llmath/llquantize.h
@@ -3,6 +3,8 @@
  * @brief useful routines for quantizing floats to various length ints
  * and back out again
  *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
  * Copyright (c) 2001-2007, Linden Research, Inc.
  * 
  * Second Life Viewer Source Code
@@ -25,6 +27,7 @@
  * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
  * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
  * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
  */
 
 #ifndef LL_LLQUANTIZE_H
@@ -40,6 +43,18 @@ const U8 FIRSTVALIDCHAR = 54;
 const U8 MAXSTRINGVAL = U8MAX - FIRSTVALIDCHAR; //we don't allow newline or null 
 
 
+inline U16 F32_to_U16_ROUND(F32 val, F32 lower, F32 upper)
+{
+        val = llclamp(val, lower, upper);
+        // make sure that the value is positive and normalized to <0, 1>
+        val -= lower;
+        val /= (upper - lower);
+
+        // round the value.   Sreturn the U16
+        return (U16)(llround(val*U16MAX));
+}
+
+
 inline U16 F32_to_U16(F32 val, F32 lower, F32 upper)
 {
         val = llclamp(val, lower, upper);
@@ -67,6 +82,19 @@ inline F32 U16_to_F32(U16 ival, F32 lower, F32 upper)
         return val;
 }
 
+
+inline U8 F32_to_U8_ROUND(F32 val, F32 lower, F32 upper)
+{
+        val = llclamp(val, lower, upper);
+        // make sure that the value is positive and normalized to <0, 1>
+        val -= lower;
+        val /= (upper - lower);
+
+        // return the rounded U8
+        return (U8)(llround(val*U8MAX));
+}
+
+
 inline U8 F32_to_U8(F32 val, F32 lower, F32 upper)
 {
         val = llclamp(val, lower, upper);