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+/// @ref ext_scalar_relational
+/// @file glm/ext/scalar_relational.hpp
+///
+/// @defgroup ext_scalar_relational GLM_EXT_scalar_relational
+/// @ingroup ext
+///
+/// Exposes comparison functions for scalar types that take a user defined epsilon values.
+///
+/// Include <glm/ext/scalar_relational.hpp> to use the features of this extension.
+///
+/// @see core_vector_relational
+/// @see ext_vector_relational
+/// @see ext_matrix_relational
+
+#pragma once
+
+// Dependencies
+#include "../detail/qualifier.hpp"
+
+#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
+#	pragma message("GLM: GLM_EXT_scalar_relational extension included")
+#endif
+
+namespace glm
+{
+	/// Returns the component-wise comparison of |x - y| < epsilon.
+	/// True if this expression is satisfied.
+	///
+	/// @tparam genType Floating-point or integer scalar types
+	template<typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR bool equal(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.
+	///
+	/// @tparam genType Floating-point or integer scalar types
+	template<typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR bool notEqual(genType const& x, genType const& y, genType const& epsilon);
+
+	/// Returns the component-wise comparison between two scalars in term of ULPs.
+	/// True if this expression is satisfied.
+	///
+	/// @param x First operand.
+	/// @param y Second operand.
+	/// @param ULPs Maximum difference in ULPs between the two operators to consider them equal.
+	///
+	/// @tparam genType Floating-point or integer scalar types
+	template<typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR bool equal(genType const& x, genType const& y, int ULPs);
+
+	/// Returns the component-wise comparison between two scalars in term of ULPs.
+	/// True if this expression is not satisfied.
+	///
+	/// @param x First operand.
+	/// @param y Second operand.
+	/// @param ULPs Maximum difference in ULPs between the two operators to consider them not equal.
+	///
+	/// @tparam genType Floating-point or integer scalar types
+	template<typename genType>
+	GLM_FUNC_DECL GLM_CONSTEXPR bool notEqual(genType const& x, genType const& y, int ULPs);
+
+	/// @}
+}//namespace glm
+
+#include "scalar_relational.inl"