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   16 #include "../gtc/constants.hpp" 
   18 #ifndef GLM_ENABLE_EXPERIMENTAL 
   19 #       error "GLM: GLM_GTX_fast_trigonometry is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it." 
   20 #elif GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED) 
   21 #       pragma message("GLM: GLM_GTX_fast_trigonometry extension included") 
   77 #include "fast_trigonometry.inl" 
  
GLM_FUNC_DECL T angle(qua< T, Q > const &x)
Returns the quaternion rotation angle.
GLM_FUNC_DECL T fastCos(T angle)
Faster than the common cos function but less accurate.
GLM_FUNC_DECL T wrapAngle(T angle)
Wrap an angle to [0 2pi[ From GLM_GTX_fast_trigonometry extension.
GLM_FUNC_DECL T fastAcos(T angle)
Faster than the common acos function but less accurate.
GLM_FUNC_DECL T fastAsin(T angle)
Faster than the common asin function but less accurate.
GLM_FUNC_DECL T fastTan(T angle)
Faster than the common tan function but less accurate.
GLM_FUNC_DECL T fastSin(T angle)
Faster than the common sin function but less accurate.
GLM_FUNC_DECL T fastAtan(T angle)
Faster than the common atan function but less accurate.