Vectorized

glm/gtx/fast_square_root.inl

@@ -2,13 +2,15 @@
 // OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 // Created : 2006-01-04
-// Updated : 2008-10-07
+// Updated : 2011-10-14
 // Licence : This source is under MIT License
 // File    : glm/gtx/fast_square_root.inl
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 
-namespace glm{
+#include "../core/_vectorize.hpp"
 
+namespace glm
+{
 	// fastSqrt
 	template <typename genType>
 	GLM_FUNC_QUALIFIER genType fastSqrt
@@ -16,44 +18,12 @@ GLM_FUNC_QUALIFIER genType fastSqrt
 		genType const & x
 	)
 	{
-    return genType(1) / fastInverseSqrt(x);
+		GLM_STATIC_ASSERT(detail::type<genType>::is_float, "'fastSqrt' only accept floating-point input");
-}
-
-template <typename valType>
-GLM_FUNC_QUALIFIER detail::tvec2<valType> fastSqrt
-(
-	detail::tvec2<valType> const & x
-)
-{
-    return detail::tvec2<valType>(
-        fastSqrt(x.x), 
-        fastSqrt(x.y));
-}
 
-template <typename valType>
+		return genType(1) / fastInverseSqrt(x);
-GLM_FUNC_QUALIFIER detail::tvec3<valType> fastSqrt
-(
-	detail::tvec3<valType> const & x
-)
-{
-    return detail::tvec3<valType>(
-        fastSqrt(x.x), 
-        fastSqrt(x.y), 
-        fastSqrt(x.z));
 	}
 
-template <typename valType>
+	VECTORIZE_VEC(fastSqrt)
-GLM_FUNC_QUALIFIER detail::tvec4<valType> fastSqrt
-(
-	detail::tvec4<valType> const & x
-)
-{
-    return detail::tvec4<valType>(
-        fastSqrt(x.x), 
-        fastSqrt(x.y), 
-        fastSqrt(x.z), 
-        fastSqrt(x.w));
-}
 
 	// fastInversesqrt
 	template <typename genType>
@@ -73,41 +43,7 @@ GLM_FUNC_QUALIFIER genType fastInverseSqrt
 		return genType(tmp);
 	}
 
-template <typename valType>
+	VECTORIZE_VEC(fastInverseSqrt)
-GLM_FUNC_QUALIFIER detail::tvec2<valType> fastInverseSqrt
-(
-	detail::tvec2<valType> const & x
-)
-{
-    return detail::tvec2<valType>(
-        fastInverseSqrt(x.x), 
-        fastInverseSqrt(x.y));
-}
-
-template <typename valType>
-GLM_FUNC_QUALIFIER detail::tvec3<valType> fastInverseSqrt
-(
-	detail::tvec3<valType> const & x
-)
-{
-    return detail::tvec3<valType>(
-        fastInverseSqrt(x.x), 
-        fastInverseSqrt(x.y), 
-        fastInverseSqrt(x.z));
-}
-
-template <typename valType>
-GLM_FUNC_QUALIFIER detail::tvec4<valType> fastInverseSqrt
-(
-	detail::tvec4<valType> const & x
-)
-{
-    return detail::tvec4<valType>(
-        fastInverseSqrt(x.x), 
-        fastInverseSqrt(x.y), 
-        fastInverseSqrt(x.z), 
-        fastInverseSqrt(x.w));
-}
 
 	// fastLength
 	template <typename genType>
@@ -160,36 +96,6 @@ GLM_FUNC_QUALIFIER genType fastDistance
 		return fastLength(y - x);
 	}
 
-template <typename valType>
-GLM_FUNC_QUALIFIER valType fastDistance
-(
-	detail::tvec2<valType> const & x, 
-	detail::tvec2<valType> const & y
-)
-{
-    return fastLength(y - x);
-}
-
-template <typename valType>
-GLM_FUNC_QUALIFIER valType fastDistance
-(
-	detail::tvec3<valType> const & x, 
-	detail::tvec3<valType> const & y
-)
-{
-    return fastLength(y - x);
-}
-
-template <typename valType>
-GLM_FUNC_QUALIFIER valType fastDistance
-(
-	detail::tvec4<valType> const & x, 
-	detail::tvec4<valType> const & y
-)
-{
-    return fastLength(y - x);
-}
-
 	// fastNormalize
 	template <typename genType>
 	GLM_FUNC_QUALIFIER genType fastNormalize
@@ -229,5 +135,4 @@ GLM_FUNC_QUALIFIER detail::tvec4<valType> fastNormalize
 		valType sqr = x.x * x.x + x.y * x.y + x.z * x.z + x.w * x.w;
 		return x * fastInverseSqrt(sqr);
 	}
-
 }//namespace glm