X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=Source%2FQuaternions.h;h=f090ef9f0b064d2a8fe471a268a2f6d92637770f;hb=5509b55dbc13227bdc7b97f2934fa71dad02cc66;hp=499bc0da0bd0fcc85151395b1b0f90d59d48a7ea;hpb=cd043e3f9e26c2b3406b40a354c2840941e9db7f;p=lugaru.git

diff --git a/Source/Quaternions.h b/Source/Quaternions.h
index 499bc0d..f090ef9 100644
--- a/Source/Quaternions.h
+++ b/Source/Quaternions.h
@@ -1,5 +1,6 @@
 /*
 Copyright (C) 2003, 2010 - Wolfire Games
+Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
 
 This file is part of Lugaru.
 
@@ -240,25 +241,7 @@ inline void CrossProduct(XYZ P, XYZ Q, XYZ *V)
 
 inline float fast_sqrt (register float arg)
 {
-#if PLATFORM_MACOSX
-    // Can replace with slower return std::sqrt(arg);
-    register float result;
-
-    if (arg == 0.0)
-        return 0.0;
-
-    asm {
-        frsqrte     result, arg         // Calculate Square root
-    }
-
-    // Newton Rhapson iterations.
-    result = result + 0.5 * result * (1.0 - arg * result * result);
-    result = result + 0.5 * result * (1.0 - arg * result * result);
-
-    return result * arg;
-#else
-    return sqrtf( arg);
-#endif
+    return sqrtf(arg);
 }
 
 inline float normaldotproduct(XYZ point1, XYZ point2)