diff --git a/glm/gtx/simplex.hpp b/glm/gtx/simplex.hpp
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+++ b/glm/gtx/simplex.hpp
@@ -0,0 +1,73 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2011-04-09
+// Updated : 2011-04-09
+// Licence : This source is under MIT License
+// File    : glm/gtx/simplex.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_gtx_simplex
+#define glm_gtx_simplex
+
+// Dependency:
+#include "../glm.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_simplex extension included")
+#endif
+
+namespace glm
+{
+    namespace gtx{
+        //! GLM_GTX_simplex extension: Spline functions
+        namespace spline
+        {
+            /// \addtogroup gtx_spline
+            ///@{
+            
+            //! Return a point from a catmull rom curve.
+            //! From GLM_GTX_spline extension.
+            template <typename genType> 
+            genType catmullRom(
+                               genType const & v1, 
+                               genType const & v2, 
+                               genType const & v3, 
+                               genType const & v4, 
+                               typename genType::value_type const & s);
+            
+            //! Return a point from a hermite curve.
+            //! From GLM_GTX_spline extension.
+            template <typename genType> 
+            genType hermite(
+                            genType const & v1, 
+                            genType const & t1, 
+                            genType const & v2, 
+                            genType const & t2, 
+                            typename genType::value_type const & s);
+            
+            //! Return a point from a cubic curve. 
+            //! From GLM_GTX_spline extension.
+            template <typename genType> 
+            genType cubic(
+                          genType const & v1, 
+                          genType const & v2, 
+                          genType const & v3, 
+                          genType const & v4, 
+                          typename genType::value_type const & s);
+            
+            ///@}
+            
+        }//namespace simplex
+    }//namespace gtx
+}//namespace glm
+
+#include "simplex.inl"
+
+namespace glm{using namespace gtx::simplex;}
+
+#endif//glm_gtx_spline
+
diff --git a/glm/gtx/simplex.inl b/glm/gtx/simplex.inl
new file mode 100644
index 00000000..e69de29b