From 872aa9d8ec939309c3382cd91bbfde049186cd1d Mon Sep 17 00:00:00 2001
From: Christophe Riccio <christophe.riccio@unity3d.com>
Date: Fri, 29 Apr 2016 17:31:36 +0200
Subject: [PATCH] Improved ***PowerOfTwo

---
 test/gtc/gtc_round.cpp | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

diff --git a/test/gtc/gtc_round.cpp b/test/gtc/gtc_round.cpp
index ba57a786..bfb7e552 100644
--- a/test/gtc/gtc_round.cpp
+++ b/test/gtc/gtc_round.cpp
@@ -174,7 +174,7 @@ namespace isPowerOfTwo
 	}
 }//isPowerOfTwo
 
-namespace ceilPowerOfTwo
+namespace ceilPowerOfTwo_advanced
 {
 	template <typename genIUType>
 	GLM_FUNC_QUALIFIER genIUType highestBitValue(genIUType Value)
@@ -292,7 +292,7 @@ namespace ceilPowerOfTwo
 
 		return Error;
 	}
-}//namespace ceilPowerOfTwo
+}//namespace ceilPowerOfTwo_advanced
 
 namespace roundPowerOfTwo
 {
@@ -341,6 +341,25 @@ namespace floorPowerOfTwo
 	}
 }//namespace floorPowerOfTwo
 
+namespace ceilPowerOfTwo
+{
+	int test()
+	{
+		int Error = 0;
+		
+		glm::uint32 const A = glm::ceilPowerOfTwo(7u);
+		Error += A == 8u ? 0 : 1;
+		
+		glm::uint32 const B = glm::ceilPowerOfTwo(15u);
+		Error += B == 16u ? 0 : 1;
+		
+		glm::uint32 const C = glm::ceilPowerOfTwo(31u);
+		Error += C == 32u ? 0 : 1;
+		
+		return Error;
+	}
+}//namespace ceilPowerOfTwo
+
 namespace floorMultiple
 {
 	template <typename genType>
@@ -426,10 +445,11 @@ int main()
 	int Error(0);
 
 	Error += isPowerOfTwo::test();
-	Error += ceilPowerOfTwo::test();
 	Error += floorPowerOfTwo::test();
 	Error += roundPowerOfTwo::test();
-
+	Error += ceilPowerOfTwo::test();
+	Error += ceilPowerOfTwo_advanced::test();
+	
 #	ifdef NDEBUG
 		Error += ceilPowerOfTwo::perf();
 #	endif//NDEBUG