text: /// @ref gtc_ulp
  /// @file glm/gtc/ulp.hpp
  ///
  /// @see core (dependence)
  ///
  /// @defgroup gtc_ulp GLM_GTC_ulp
  /// @ingroup gtc
  ///
  /// Include <glm/gtc/ulp.hpp> to use the features of this extension.
  ///
  /// Allow the measurement of the accuracy of a function against a reference
  /// implementation. This extension works on floating-point data and provide results
  /// in ULP.
  
  #pragma once
  
  // Dependencies
  #include "glm-0.9.9.8/glm/detail/setup.hpp"
  #include "glm-0.9.9.8/glm/detail/qualifier.hpp"
  #include "glm-0.9.9.8/glm/detail/_vectorize.hpp"
  #include "glm-0.9.9.8/glm/ext/scalar_int_sized.hpp"
  
  #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
  #	pragma message("GLM: GLM_GTC_ulp extension included")
  #endif
  
  namespace glm
  {
  	/// Return the next ULP value(s) after the input value(s).
  	///
  	/// @tparam genType A floating-point scalar type.
  	///
  	/// @see gtc_ulp
  	template<typename genType>
  	GLM_FUNC_DECL genType next_float(genType x);
  
  	/// Return the previous ULP value(s) before the input value(s).
  	///
  	/// @tparam genType A floating-point scalar type.
  	///
  	/// @see gtc_ulp
  	template<typename genType>
  	GLM_FUNC_DECL genType prev_float(genType x);
  
  	/// Return the value(s) ULP distance after the input value(s).
  	///
  	/// @tparam genType A floating-point scalar type.
  	///
  	/// @see gtc_ulp
  	template<typename genType>
  	GLM_FUNC_DECL genType next_float(genType x, int ULPs);
  
  	/// Return the value(s) ULP distance before the input value(s).
  	///
  	/// @tparam genType A floating-point scalar type.
  	///
  	/// @see gtc_ulp
  	template<typename genType>
  	GLM_FUNC_DECL genType prev_float(genType x, int ULPs);
  
  	/// Return the distance in the number of ULP between 2 single-precision floating-point scalars.
  	///
  	/// @see gtc_ulp
  	GLM_FUNC_DECL int float_distance(float x, float y);
  
  	/// Return the distance in the number of ULP between 2 double-precision floating-point scalars.
  	///
  	/// @see gtc_ulp
  	GLM_FUNC_DECL int64 float_distance(double x, double y);
  
  	/// Return the next ULP value(s) after the input value(s).
  	///
  	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
  	/// @tparam T Floating-point
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see gtc_ulp
  	template<length_t L, typename T, qualifier Q>
  	GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x);
  
  	/// Return the value(s) ULP distance after the input value(s).
  	///
  	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
  	/// @tparam T Floating-point
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see gtc_ulp
  	template<length_t L, typename T, qualifier Q>
  	GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x, int ULPs);
  
  	/// Return the value(s) ULP distance after the input value(s).
  	///
  	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
  	/// @tparam T Floating-point
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see gtc_ulp
  	template<length_t L, typename T, qualifier Q>
  	GLM_FUNC_DECL vec<L, T, Q> next_float(vec<L, T, Q> const& x, vec<L, int, Q> const& ULPs);
  
  	/// Return the previous ULP value(s) before the input value(s).
  	///
  	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
  	/// @tparam T Floating-point
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see gtc_ulp
  	template<length_t L, typename T, qualifier Q>
  	GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x);
  
  	/// Return the value(s) ULP distance before the input value(s).
  	///
  	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
  	/// @tparam T Floating-point
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see gtc_ulp
  	template<length_t L, typename T, qualifier Q>
  	GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x, int ULPs);
  
  	/// Return the value(s) ULP distance before the input value(s).
  	///
  	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
  	/// @tparam T Floating-point
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see gtc_ulp
  	template<length_t L, typename T, qualifier Q>
  	GLM_FUNC_DECL vec<L, T, Q> prev_float(vec<L, T, Q> const& x, vec<L, int, Q> const& ULPs);
  
  	/// Return the distance in the number of ULP between 2 single-precision floating-point scalars.
  	///
  	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see gtc_ulp
  	template<length_t L, typename T, qualifier Q>
  	GLM_FUNC_DECL vec<L, int, Q> float_distance(vec<L, float, Q> const& x, vec<L, float, Q> const& y);
  
  	/// Return the distance in the number of ULP between 2 double-precision floating-point scalars.
  	///
  	/// @tparam L Integer between 1 and 4 included that qualify the dimension of the vector
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see gtc_ulp
  	template<length_t L, typename T, qualifier Q>
  	GLM_FUNC_DECL vec<L, int64, Q> float_distance(vec<L, double, Q> const& x, vec<L, double, Q> const& y);
  
  	/// @}
  }//namespace glm
  
  #include "ulp.inl"
  