1 files changed, 73 insertions, 0 deletions
diff --git a/external/include/glm/gtc/epsilon.hpp b/external/include/glm/gtc/epsilon.hpp
new file mode 100644
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+++ b/external/include/glm/gtc/epsilon.hpp
@@ -0,0 +1,73 @@
+/// @ref gtc_epsilon
+/// @file glm/gtc/epsilon.hpp
+/// 
+/// @see core (dependence)
+/// @see gtc_half_float (dependence)
+/// @see gtc_quaternion (dependence)
+///
+/// @defgroup gtc_epsilon GLM_GTC_epsilon
+/// @ingroup gtc
+/// 
+/// @brief Comparison functions for a user defined epsilon values.
+/// 
+/// <glm/gtc/epsilon.hpp> need to be included to use these functionalities.
+
+#pragma once
+
+// Dependencies
+#include "../detail/setup.hpp"
+#include "../detail/precision.hpp"
+
+#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !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 <typename T, precision P, template <typename, precision> class vecType>
+	GLM_FUNC_DECL vecType<bool, P> epsilonEqual(
+		vecType<T, P> const & x,
+		vecType<T, P> 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 <typename genType>
+	GLM_FUNC_DECL typename genType::boolType epsilonNotEqual(
+		genType const & x,
+		genType const & y,
+		typename genType::value_type 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"