18 #include "../gtc/constants.hpp" 
   19 #include "../gtc/quaternion.hpp" 
   20 #include "../gtx/norm.hpp" 
   22 #ifndef GLM_ENABLE_EXPERIMENTAL 
   23 #       error "GLM: GLM_GTX_quaternion is an experimetal extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it." 
   26 #if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED) 
   27 #       pragma message("GLM: GLM_GTX_quaternion extension included") 
   38         template<
typename T, precision P>
 
   39         GLM_FUNC_DECL tvec3<T, P> 
cross(
 
   40                 tquat<T, P> 
const & q,
 
   41                 tvec3<T, P> 
const & v);
 
   46         template<
typename T, precision P>
 
   47         GLM_FUNC_DECL tvec3<T, P> 
cross(
 
   48                 tvec3<T, P> 
const & v,
 
   49                 tquat<T, P> 
const & q);
 
   55         template<
typename T, precision P>
 
   56         GLM_FUNC_DECL tquat<T, P> 
squad(
 
   57                 tquat<T, P> 
const & q1,
 
   58                 tquat<T, P> 
const & q2,
 
   59                 tquat<T, P> 
const & s1,
 
   60                 tquat<T, P> 
const & s2,
 
   66         template<
typename T, precision P>
 
   68                 tquat<T, P> 
const & prev,
 
   69                 tquat<T, P> 
const & curr,
 
   70                 tquat<T, P> 
const & next);
 
   75         template<
typename T, precision P>
 
   76         GLM_FUNC_DECL tquat<T, P> 
exp(
 
   77                 tquat<T, P> 
const & q);
 
   82         template<
typename T, precision P>
 
   83         GLM_FUNC_DECL tquat<T, P> 
log(
 
   84                 tquat<T, P> 
const & q);
 
   89         template<
typename T, precision P>
 
   90         GLM_FUNC_DECL tquat<T, P> 
pow(
 
   91                 tquat<T, P> 
const & x,
 
  104         template<
typename T, precision P>
 
  105         GLM_FUNC_DECL tvec3<T, P> 
rotate(
 
  106                 tquat<T, P> 
const & q,
 
  107                 tvec3<T, P> 
const & v);
 
  112         template<
typename T, precision P>
 
  113         GLM_FUNC_DECL tvec4<T, P> 
rotate(
 
  114                 tquat<T, P> 
const & q,
 
  115                 tvec4<T, P> 
const & v);
 
  120         template<
typename T, precision P>
 
  122                 tquat<T, P> 
const & q);
 
  127         template<
typename T, precision P>
 
  129                 tquat<T, P> 
const & x){
return mat3_cast(x);}
 
  134         template<
typename T, precision P>
 
  136                 tquat<T, P> 
const & x){
return mat4_cast(x);}
 
  141         template<
typename T, precision P>
 
  143                 tmat3x3<T, P> 
const & x){
return quat_cast(x);}
 
  148         template<
typename T, precision P>
 
  150                 tmat4x4<T, P> 
const & x){
return quat_cast(x);}
 
  155         template<
typename T, precision P>
 
  157                 tquat<T, P> 
const & x,
 
  158                 tquat<T, P> 
const & y,
 
  164         template<
typename T, precision P>
 
  165         GLM_FUNC_DECL tquat<T, P> 
fastMix(
 
  166                 tquat<T, P> 
const & x,
 
  167                 tquat<T, P> 
const & y,
 
  175         template<
typename T, precision P>
 
  177                 tvec3<T, P> 
const & orig, 
 
  178                 tvec3<T, P> 
const & dest);
 
  183         template<
typename T, precision P>
 
  184         GLM_FUNC_DECL T 
length2(tquat<T, P> 
const & q);
 
  189 #include "quaternion.inl" 
GLM_FUNC_DECL tquat< T, P > pow(tquat< T, P > const &x, T const &y)
Returns x raised to the y power. 
GLM_FUNC_DECL T length2(tquat< T, P > const &q)
Returns the squared length of x. 
GLM_FUNC_DECL tmat4x4< T, P > toMat4(tquat< T, P > const &x)
Converts a quaternion to a 4 * 4 matrix. 
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 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 tmat3x3< T, P > toMat3(tquat< T, P > const &x)
Converts a quaternion to a 3 * 3 matrix. 
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 tmat4x4< T, P > mat4_cast(tquat< T, P > const &x)
Converts a quaternion to a 4 * 4 matrix. 
GLM_FUNC_DECL T extractRealComponent(tquat< T, P > const &q)
Extract the real component of a quaternion. 
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 tquat< T, P > exp(tquat< T, P > const &q)
Returns a exp of 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 > fastMix(tquat< T, P > const &x, tquat< T, P > const &y, T const &a)
Quaternion normalized linear interpolation. 
GLM_FUNC_DECL tquat< T, P > toQuat(tmat4x4< T, P > const &x)
Converts a 4 * 4 matrix to 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 tmat3x3< T, P > mat3_cast(tquat< T, P > const &x)
Converts a quaternion to a 3 * 3 matrix. 
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 tquat< T, P > log(tquat< T, P > const &q)
Returns a log of a quaternion.