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   18 #include "../gtc/constants.hpp" 
   19 #include "../gtc/quaternion.hpp" 
   20 #include "../ext/quaternion_exponential.hpp" 
   21 #include "../gtx/norm.hpp" 
   23 #ifndef GLM_ENABLE_EXPERIMENTAL 
   24 #       error "GLM: GLM_GTX_quaternion 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." 
   25 #elif GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED) 
   26 #       pragma message("GLM: GLM_GTX_quaternion extension included") 
   37         template<
typename T, qualifier Q>
 
   43         template<
typename T, qualifier Q>
 
   44         GLM_FUNC_DECL GLM_CONSTEXPR vec<3, T, Q> 
cross(
 
   46                 vec<3, T, Q> 
const& v);
 
   51         template<
typename T, qualifier Q>
 
   52         GLM_FUNC_DECL GLM_CONSTEXPR vec<3, T, Q> 
cross(
 
   53                 vec<3, T, Q> 
const& v,
 
   60         template<
typename T, qualifier Q>
 
   71         template<
typename T, qualifier Q>
 
   73                 qua<T, Q> 
const& prev,
 
   74                 qua<T, Q> 
const& curr,
 
   75                 qua<T, Q> 
const& next);
 
   87         template<
typename T, qualifier Q>
 
   90                 vec<3, T, Q> 
const& v);
 
   95         template<
typename T, qualifier Q>
 
   98                 vec<4, T, Q> 
const& v);
 
  103         template<
typename T, qualifier Q>
 
  110         template<
typename T, qualifier Q>
 
  111         GLM_FUNC_QUALIFIER mat<3, 3, T, Q> 
toMat3(
 
  112                 qua<T, Q> 
const& x){
return mat3_cast(x);}
 
  117         template<
typename T, qualifier Q>
 
  118         GLM_FUNC_QUALIFIER mat<4, 4, T, Q> 
toMat4(
 
  119                 qua<T, Q> 
const& x){
return mat4_cast(x);}
 
  124         template<
typename T, qualifier Q>
 
  126                 mat<3, 3, T, Q> 
const& x){
return quat_cast(x);}
 
  131         template<
typename T, qualifier Q>
 
  133                 mat<4, 4, T, Q> 
const& x){
return quat_cast(x);}
 
  138         template<
typename T, qualifier Q>
 
  147         template<
typename T, qualifier Q>
 
  158         template<
typename T, qualifier Q>
 
  160                 vec<3, T, Q> 
const& orig,
 
  161                 vec<3, T, Q> 
const& dest);
 
  166         template<
typename T, qualifier Q>
 
  167         GLM_FUNC_DECL GLM_CONSTEXPR T 
length2(qua<T, Q> 
const& q);
 
  172 #include "quaternion.inl" 
  
GLM_FUNC_DECL GLM_CONSTEXPR T length2(qua< T, Q > const &q)
Returns the squared length of x.
GLM_FUNC_DECL T extractRealComponent(qua< T, Q > const &q)
Extract the real component of a quaternion.
GLM_FUNC_DECL qua< T, Q > shortMix(qua< T, Q > const &x, qua< T, Q > const &y, T const &a)
Quaternion interpolation using the rotation short path.
GLM_FUNC_DECL qua< T, Q > intermediate(qua< T, Q > const &prev, qua< T, Q > const &curr, qua< T, Q > const &next)
Returns an intermediate control point for squad interpolation.
GLM_FUNC_DECL qua< T, Q > rotation(vec< 3, T, Q > const &orig, vec< 3, T, Q > const &dest)
Compute the rotation between two vectors.
GLM_FUNC_QUALIFIER mat< 4, 4, T, Q > toMat4(qua< T, Q > const &x)
Converts a quaternion to a 4 * 4 matrix.
GLM_FUNC_DECL mat< 3, 3, T, Q > mat3_cast(qua< T, Q > const &x)
Converts a quaternion to a 3 * 3 matrix.
GLM_FUNC_DECL qua< T, Q > squad(qua< T, Q > const &q1, qua< T, Q > const &q2, qua< T, Q > const &s1, qua< T, Q > const &s2, T const &h)
Compute a point on a path according squad equation.
GLM_FUNC_QUALIFIER mat< 3, 3, T, Q > toMat3(qua< T, Q > const &x)
Converts a quaternion to a 3 * 3 matrix.
GLM_FUNC_DECL qua< T, Q > quat_cast(mat< 3, 3, T, Q > const &x)
Converts a pure rotation 3 * 3 matrix to a quaternion.
GLM_FUNC_DECL vec< 4, T, Q > rotate(qua< T, Q > const &q, vec< 4, T, Q > const &v)
Rotates a 4 components vector by a quaternion.
GLM_FUNC_DECL qua< T, Q > fastMix(qua< T, Q > const &x, qua< T, Q > const &y, T const &a)
Quaternion normalized linear interpolation.
GLM_FUNC_DECL mat< 4, 4, T, Q > mat4_cast(qua< T, Q > const &x)
Converts a quaternion to a 4 * 4 matrix.
GLM_FUNC_DECL GLM_CONSTEXPR qua< T, Q > quat_identity()
Create an identity quaternion.
GLM_FUNC_DECL GLM_CONSTEXPR vec< 3, T, Q > cross(vec< 3, T, Q > const &v, qua< T, Q > const &q)
Compute a cross product between a vector and a quaternion.
GLM_FUNC_QUALIFIER qua< T, Q > toQuat(mat< 4, 4, T, Q > const &x)
Converts a 4 * 4 matrix to a quaternion.