Merge pull request #4 from FOSSEE/develop

merging dev into master

1 files changed, 70 insertions, 0 deletions

diff --git a/include/gal/opengl/glm/gtx/spline.inl b/include/gal/opengl/glm/gtx/spline.inl
new file mode 100644
index 0000000..6a6509e
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/spline.inl
@@ -0,0 +1,70 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-01-25
+// Updated : 2009-02-19
+// Licence : This source is under MIT License
+// File    : glm/gtx/spline.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm{
+
+template <typename genType>
+GLM_FUNC_QUALIFIER genType catmullRom
+(
+	genType const & v1, 
+	genType const & v2, 
+	genType const & v3, 
+	genType const & v4, 
+	typename genType::value_type const & s
+)
+{
+	typename genType::value_type s1 = s;
+	typename genType::value_type s2 = pow2(s);
+	typename genType::value_type s3 = pow3(s);
+
+	typename genType::value_type f1 = -s3 + typename genType::value_type(2) * s2 - s;
+	typename genType::value_type f2 = typename genType::value_type(3) * s3 - typename genType::value_type(5) * s2 + typename genType::value_type(2);
+	typename genType::value_type f3 = typename genType::value_type(-3) * s3 + typename genType::value_type(4) * s2 + s;
+	typename genType::value_type f4 = s3 - s2;
+
+	return (f1 * v1 + f2 * v2 + f3 * v3 + f4 * v4) / typename genType::value_type(2);
+
+}
+
+template <typename genType>
+GLM_FUNC_QUALIFIER genType hermite
+(
+	genType const & v1, 
+	genType const & t1, 
+	genType const & v2, 
+	genType const & t2, 
+	typename genType::value_type const & s
+)
+{
+	typename genType::value_type s1 = s;
+	typename genType::value_type s2 = pow2(s);
+	typename genType::value_type s3 = pow3(s);
+
+	typename genType::value_type f1 = typename genType::value_type(2) * s3 - typename genType::value_type(3) * s2 + typename genType::value_type(1);
+	typename genType::value_type f2 = typename genType::value_type(-2) * s3 + typename genType::value_type(3) * s2;
+	typename genType::value_type f3 = s3 - typename genType::value_type(2) * s2 + s;
+	typename genType::value_type f4 = s3 - s2;
+
+	return f1 * v1 + f2 * v2 + f3 * t1 + f4 * t2;
+}
+
+template <typename genType>
+GLM_FUNC_QUALIFIER genType cubic
+(
+	genType const & v1, 
+	genType const & v2, 
+	genType const & v3, 
+	genType const & v4, 
+	typename genType::value_type const & s
+)
+{
+	return ((v1 * s + v2) * s + v3) * s + v4;
+}
+
+}//namespace glm