text: /// @ref ext_quaternion_geometric
  /// @file ext/quaternion_geometric.hpp
  ///
  /// @defgroup ext_quaternion_geometric GLM_EXT_quaternion_geometric
  /// @ingroup ext
  ///
  /// Provides geometric functions for quaternion types
  ///
  /// Include <ext/quaternion_geometric.hpp> to use the features of this extension.
  ///
  /// @see core_geometric
  /// @see ext_quaternion_float
  /// @see ext_quaternion_double
  
  #pragma once
  
  // Dependency:
  #include "../geometric.hpp"
  #include "../exponential.hpp"
  #include "../ext/vector_relational.hpp"
  
  #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
  #	pragma message("GLM: GLM_EXT_quaternion_geometric extension included")
  #endif
  
  namespace glm
  {
  	/// @addtogroup ext_quaternion_geometric
  	/// @{
  
  	/// Returns the norm of a quaternions
  	///
  	/// @tparam T Floating-point scalar types
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see ext_quaternion_geometric
  	template<typename T, qualifier Q>
  	GLM_FUNC_DECL T length(qua<T, Q> const& q);
  
  	/// Returns the normalized quaternion.
  	///
  	/// @tparam T Floating-point scalar types
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see ext_quaternion_geometric
  	template<typename T, qualifier Q>
  	GLM_FUNC_DECL qua<T, Q> normalize(qua<T, Q> const& q);
  
  	/// Returns dot product of q1 and q2, i.e., q1[0] * q2[0] + q1[1] * q2[1] + ...
  	///
  	/// @tparam T Floating-point scalar types.
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see ext_quaternion_geometric
  	template<typename T, qualifier Q>
  	GLM_FUNC_DECL T dot(qua<T, Q> const& x, qua<T, Q> const& y);
  
  	/// Compute a cross product.
  	///
  	/// @tparam T Floating-point scalar types
  	/// @tparam Q Value from qualifier enum
  	///
  	/// @see ext_quaternion_geometric
  	template<typename T, qualifier Q>
  	GLM_FUNC_QUALIFIER qua<T, Q> cross(qua<T, Q> const& q1, qua<T, Q> const& q2);
  
  	/// @}
  } //namespace glm
  
  #include "quaternion_geometric.inl"
  