text: /// @ref ext_quaternion_double_precision
  /// @file glm/ext/quaternion_double_precision.hpp
  ///
  /// @defgroup ext_quaternion_double_precision GLM_EXT_quaternion_double_precision
  /// @ingroup ext
  ///
  /// Exposes double-precision floating point quaternion type with various precision in term of ULPs.
  ///
  /// Include <glm/ext/quaternion_double_precision.hpp> to use the features of this extension.
  
  #pragma once
  
  // Dependency:
  #include "../detail/type_quat.hpp"
  
  #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
  #	pragma message("GLM: GLM_EXT_quaternion_double_precision extension included")
  #endif
  
  namespace glm {
      /// @addtogroup ext_quaternion_double_precision
      /// @{
  
      /// Quaternion of double-precision floating-point numbers using high precision arithmetic in term of ULPs.
      ///
      /// @see ext_quaternion_double_precision
      typedef qua<double, lowp> lowp_dquat;
  
      /// Quaternion of medium double-qualifier floating-point numbers using high precision arithmetic in term of ULPs.
      ///
      /// @see ext_quaternion_double_precision
      typedef qua<double, mediump> mediump_dquat;
  
      /// Quaternion of high double-qualifier floating-point numbers using high precision arithmetic in term of ULPs.
      ///
      /// @see ext_quaternion_double_precision
      typedef qua<double, highp> highp_dquat;
  
      /// @}
  } //namespace glm
  
  