Fix using floating-point exp2()

Change-Id: I2dc3942032458093bb132d7b86c34f05e1bb8137
Reviewed-on: https://swiftshader-review.googlesource.com/4443
Tested-by: Nicolas Capens <capn@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>

src/Common/Math.hpp

diff --git a/src/Common/Math.hpp b/src/Common/Math.hpp
index a23a7d4..ef307c9 100644
--- a/src/Common/Math.hpp
+++ b/src/Common/Math.hpp
@@ -125,6 +125,11 @@
 	!!(x & 0xFFFFFFFE) + \

 	!!(x & 0xFFFFFFFF))

 

+	inline float exp2(float x)

+	{

+		return exp2f(x);

+	}

+

 	inline int exp2(int x)

 	{

 		return 1 << x;