1 files changed, 60 insertions, 0 deletions
diff --git a/src/include/glm/gtc/epsilon.hpp b/src/include/glm/gtc/epsilon.hpp
new file mode 100644
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+++ b/src/include/glm/gtc/epsilon.hpp
@@ -0,0 +1,60 @@
+/// @ref gtc_epsilon
+/// @file glm/gtc/epsilon.hpp
+///
+/// @see core (dependence)
+/// @see gtc_quaternion (dependence)
+///
+/// @defgroup gtc_epsilon GLM_GTC_epsilon
+/// @ingroup gtc
+///
+/// Include <glm/gtc/epsilon.hpp> to use the features of this extension.
+///
+/// Comparison functions for a user defined epsilon values.
+
+#pragma once
+
+// Dependencies
+#include "../detail/setup.hpp"
+#include "../detail/qualifier.hpp"
+
+#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
+#	pragma message("GLM: GLM_GTC_epsilon extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup gtc_epsilon
+	/// @{
+
+	/// Returns the component-wise comparison of |x - y| < epsilon.
+	/// True if this expression is satisfied.
+	///
+	/// @see gtc_epsilon
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, bool, Q> epsilonEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, T const& epsilon);
+
+	/// Returns the component-wise comparison of |x - y| < epsilon.
+	/// True if this expression is satisfied.
+	///
+	/// @see gtc_epsilon
+	template<typename genType>
+	GLM_FUNC_DECL bool epsilonEqual(genType const& x, genType const& y, genType const& epsilon);
+
+	/// Returns the component-wise comparison of |x - y| < epsilon.
+	/// True if this expression is not satisfied.
+	///
+	/// @see gtc_epsilon
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, bool, Q> epsilonNotEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, T const& epsilon);
+
+	/// Returns the component-wise comparison of |x - y| >= epsilon.
+	/// True if this expression is not satisfied.
+	///
+	/// @see gtc_epsilon
+	template<typename genType>
+	GLM_FUNC_DECL bool epsilonNotEqual(genType const& x, genType const& y, genType const& epsilon);
+
+	/// @}
+}//namespace glm
+
+#include "epsilon.inl"