47 #include "../gtc/constants.hpp" 
   48 #include "../gtc/quaternion.hpp" 
   49 #include "../gtx/norm.hpp" 
   51 #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED)) 
   52 #       pragma message("GLM: GLM_GTX_quaternion extension included") 
   63         template<
typename T, precision P>
 
   64         GLM_FUNC_DECL tvec3<T, P> 
cross(
 
   65                 tquat<T, P> 
const & q,
 
   66                 tvec3<T, P> 
const & v);
 
   71         template<
typename T, precision P>
 
   72         GLM_FUNC_DECL tvec3<T, P> 
cross(
 
   73                 tvec3<T, P> 
const & v,
 
   74                 tquat<T, P> 
const & q);
 
   80         template<
typename T, precision P>
 
   81         GLM_FUNC_DECL tquat<T, P> 
squad(
 
   82                 tquat<T, P> 
const & q1,
 
   83                 tquat<T, P> 
const & q2,
 
   84                 tquat<T, P> 
const & s1,
 
   85                 tquat<T, P> 
const & s2,
 
   91         template<
typename T, precision P>
 
   93                 tquat<T, P> 
const & prev,
 
   94                 tquat<T, P> 
const & curr,
 
   95                 tquat<T, P> 
const & next);
 
  100         template<
typename T, precision P>
 
  101         GLM_FUNC_DECL tquat<T, P> 
exp(
 
  102                 tquat<T, P> 
const & q);
 
  107         template<
typename T, precision P>
 
  108         GLM_FUNC_DECL tquat<T, P> 
log(
 
  109                 tquat<T, P> 
const & q);
 
  114         template<
typename T, precision P>
 
  115         GLM_FUNC_DECL tquat<T, P> 
pow(
 
  116                 tquat<T, P> 
const & x,
 
  129         template<
typename T, precision P>
 
  130         GLM_FUNC_DECL tvec3<T, P> 
rotate(
 
  131                 tquat<T, P> 
const & q,
 
  132                 tvec3<T, P> 
const & v);
 
  137         template<
typename T, precision P>
 
  138         GLM_FUNC_DECL tvec4<T, P> 
rotate(
 
  139                 tquat<T, P> 
const & q,
 
  140                 tvec4<T, P> 
const & v);
 
  145         template<
typename T, precision P>
 
  147                 tquat<T, P> 
const & q);
 
  152         template<
typename T, precision P>
 
  154                 tquat<T, P> 
const & x){
return mat3_cast(x);}
 
  159         template<
typename T, precision P>
 
  161                 tquat<T, P> 
const & x){
return mat4_cast(x);}
 
  166         template<
typename T, precision P>
 
  168                 tmat3x3<T, P> 
const & x){
return quat_cast(x);}
 
  173         template<
typename T, precision P>
 
  175                 tmat4x4<T, P> 
const & x){
return quat_cast(x);}
 
  180         template<
typename T, precision P>
 
  182                 tquat<T, P> 
const & x,
 
  183                 tquat<T, P> 
const & y,
 
  189         template<
typename T, precision P>
 
  190         GLM_FUNC_DECL tquat<T, P> 
fastMix(
 
  191                 tquat<T, P> 
const & x,
 
  192                 tquat<T, P> 
const & y,
 
  200         template<
typename T, precision P>
 
  202                 tvec3<T, P> 
const & orig, 
 
  203                 tvec3<T, P> 
const & dest);
 
  208         template<
typename T, precision P>
 
  209         GLM_FUNC_DECL T 
length2(tquat<T, P> 
const & q);
 
  214 #include "quaternion.inl" 
GLM_FUNC_DECL tquat< T, P > intermediate(tquat< T, P > const &prev, tquat< T, P > const &curr, tquat< T, P > const &next)
Returns an intermediate control point for squad interpolation. 
GLM_FUNC_DECL T extractRealComponent(tquat< T, P > const &q)
Extract the real component of a quaternion. 
GLM_FUNC_DECL tmat3x3< T, P > toMat3(tquat< T, P > const &x)
Converts a quaternion to a 3 * 3 matrix. 
GLM_FUNC_DECL tquat< T, P > exp(tquat< T, P > const &q)
Returns a exp of a quaternion. 
GLM_FUNC_DECL tquat< T, P > fastMix(tquat< T, P > const &x, tquat< T, P > const &y, T const &a)
Quaternion normalized linear interpolation. 
GLM_FUNC_DECL tquat< T, P > squad(tquat< T, P > const &q1, tquat< T, P > const &q2, tquat< T, P > const &s1, tquat< T, P > const &s2, T const &h)
Compute a point on a path according squad equation. 
GLM_FUNC_DECL tmat4x4< T, P > toMat4(tquat< T, P > const &x)
Converts a quaternion to a 4 * 4 matrix. 
GLM_FUNC_DECL tmat4x4< T, P > mat4_cast(tquat< T, P > const &x)
Converts a quaternion to a 4 * 4 matrix. 
GLM_FUNC_DECL tquat< T, P > shortMix(tquat< T, P > const &x, tquat< T, P > const &y, T const &a)
Quaternion interpolation using the rotation short path. 
GLM_FUNC_DECL tquat< T, P > toQuat(tmat4x4< T, P > const &x)
Converts a 4 * 4 matrix to a quaternion. 
GLM_FUNC_DECL tvec3< T, P > cross(tvec3< T, P > const &v, tquat< T, P > const &q)
Compute a cross product between a vector and a quaternion. 
GLM_FUNC_DECL tvec4< T, P > rotate(tquat< T, P > const &q, tvec4< T, P > const &v)
Rotates a 4 components vector by a quaternion. 
GLM_FUNC_DECL tquat< T, P > quat_cast(tmat3x3< T, P > const &x)
Converts a 3 * 3 matrix to a quaternion. 
GLM_FUNC_DECL tquat< T, P > rotation(tvec3< T, P > const &orig, tvec3< T, P > const &dest)
Compute the rotation between two vectors. 
GLM_FUNC_DECL tmat3x3< T, P > mat3_cast(tquat< T, P > const &x)
Converts a quaternion to a 3 * 3 matrix. 
GLM_FUNC_DECL tquat< T, P > log(tquat< T, P > const &q)
Returns a log of a quaternion. 
GLM_FUNC_DECL T length2(tquat< T, P > const &q)
Returns the squared length of x. 
GLM_FUNC_DECL tquat< T, P > pow(tquat< T, P > const &x, T const &y)
Returns x raised to the y power.