From b2fa10ae5be608722bc86972453354d0391a023d Mon Sep 17 00:00:00 2001
From: siavash <siavashserver@gmail.com>
Date: Thu, 4 Jul 2013 23:42:18 +0430
Subject: [PATCH] Small tweaks.

---
 src/gamma.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/gamma.c b/src/gamma.c
index c538b590..1ec3b0e5 100644
--- a/src/gamma.c
+++ b/src/gamma.c
@@ -81,18 +81,18 @@ GLFWAPI void glfwSetGamma(GLFWmonitor* handle, float gamma)
 
     for (i = 0;  i < 256;  i++)
     {
-        float value;
+        float inv255, value;
 
         // Calculate intensity
-        value = i / 255.f;
+	inv255 = 1.f / 255.f;
+        value = i * inv255;
         // Apply gamma curve
-        value = (float) pow(value, 1.f / gamma) * 65535.f + 0.5f;
+        value = powf(value, 1.f / gamma) * 65535.f + 0.5f;
 
         // Clamp to value range
-        if (value < 0.f)
-            value = 0.f;
-        else if (value > 65535.f)
-            value = 65535.f;
+	// There isn't any need to check for values smaller than zero.
+	// It is always positive and bigger than 0.5f.
+	value = value < 65535.f ? value : 65535.f;
 
         values[i] = (unsigned short) value;
     }