From bd00c8e572ef27f643be123f923b9fc26fe4583c Mon Sep 17 00:00:00 2001
From: David Williams <david@david-williams.info>
Date: Sun, 25 Nov 2012 00:04:18 +0100
Subject: [PATCH] Added rounding functions.

---
 .../PolyVoxCore/include/PolyVoxCore/Impl/Utility.h  | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/library/PolyVoxCore/include/PolyVoxCore/Impl/Utility.h b/library/PolyVoxCore/include/PolyVoxCore/Impl/Utility.h
index 7d243c79..915c20ab 100644
--- a/library/PolyVoxCore/include/PolyVoxCore/Impl/Utility.h
+++ b/library/PolyVoxCore/include/PolyVoxCore/Impl/Utility.h
@@ -32,6 +32,19 @@ namespace PolyVox
 {
 	POLYVOX_API uint8_t logBase2(uint32_t uInput);
 	POLYVOX_API bool isPowerOf2(uint32_t uInput);
+
+	int32_t roundTowardsNegInf(float r);
+	int32_t roundToInteger(float r);
+
+	inline int32_t roundTowardsNegInf(float r)
+	{
+		return (r > 0.0) ? static_cast<int32_t>(r) : static_cast<int32_t>(r - 1.0f);
+	}
+
+	inline int32_t roundToNearestInteger(float r)
+	{
+		return (r > 0.0) ? static_cast<int32_t>(r + 0.5f) : static_cast<int32_t>(r - 0.5f);
+	}
 }
 
 #endif