Added EXT_vector_relational: extend equal and notEqual to take an epsilon argument

glm/ext/vector_relational.hpp

@@ -0,0 +1,93 @@
+/// @ref ext_vector_relational
+/// @file glm/ext/vector_relational.hpp
+/// 
+/// @see core (dependence)
+///
+/// @defgroup ext_vector_relational GLM_EXT_vector_relational
+/// @ingroup ext
+///
+/// Include <glm/ext/vector_relational.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_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
+#	pragma message("GLM: GLM_EXT_vector_relational extension included")
+#endif
+
+namespace glm
+{
+	/// @addtogroup ext_vector_relational
+	/// @{
+
+	/// Returns the component-wise comparison of |x - y| < epsilon.
+	/// True if this expression is satisfied.
+	///
+	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
+	/// @tparam T Floating-point or integer scalar types
+	/// @tparam Q Value from qualifier enum
+	///
+	/// @see ext_vector_relational
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, bool, Q> equal(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.
+	///
+	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
+	/// @tparam T Floating-point or integer scalar types
+	/// @tparam Q Value from qualifier enum
+	///
+	/// @see ext_vector_relational
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, bool, Q> equal(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, T, Q> const& epsilon);
+
+	/// Returns the component-wise comparison of |x - y| < epsilon.
+	/// True if this expression is satisfied.
+	///
+	/// @tparam genType Floating-point or integer scalar types
+	///
+	/// @see ext_vector_relational
+	template<typename genType>
+	GLM_FUNC_DECL 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 L Integer between 1 and 4 included that qualify the dimension of the vector
+	/// @tparam T Floating-point or integer scalar types
+	/// @tparam Q Value from qualifier enum
+	///
+	/// @see ext_vector_relational
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, bool, Q> notEqual(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.
+	///
+	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
+	/// @tparam T Floating-point or integer scalar types
+	/// @tparam Q Value from qualifier enum
+	///
+	/// @see ext_vector_relational
+	template<length_t L, typename T, qualifier Q>
+	GLM_FUNC_DECL vec<L, bool, Q> notEqual(vec<L, T, Q> const& x, vec<L, T, Q> const& y, vec<L, T, Q> 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
+	///
+	/// @see ext_vector_relational
+	template<typename genType>
+	GLM_FUNC_DECL bool notEqual(genType const& x, genType const& y, genType const& epsilon);
+
+	/// @}
+}//namespace glm
+
+#include "vector_relational.inl"