18 #include "../common.hpp" 
   19 #include "../exponential.hpp" 
   20 #include "../geometric.hpp" 
   22 #if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED) 
   23 #       pragma message("GLM: GLM_GTX_fast_square_root extension included") 
   34         template <
typename genType> 
 
   35         GLM_FUNC_DECL genType 
fastSqrt(genType x);
 
   40         template <
typename T, precision P, 
template <
typename, precision> 
class vecType>
 
   41         GLM_FUNC_DECL vecType<T, P> 
fastSqrt(vecType<T, P> 
const & x);
 
   46         template <
typename genType> 
 
   52         template <
typename T, precision P, 
template <
typename, precision> 
class vecType>
 
   58         template <
typename genType>
 
   64         template <
typename T, precision P, 
template <
typename, precision> 
class vecType>
 
   65         GLM_FUNC_DECL T 
fastLength(vecType<T, P> 
const & x);
 
   70         template <
typename genType>
 
   71         GLM_FUNC_DECL genType 
fastDistance(genType x, genType y);
 
   76         template <
typename T, precision P, 
template <
typename, precision> 
class vecType>
 
   77         GLM_FUNC_DECL T 
fastDistance(vecType<T, P> 
const & x, vecType<T, P> 
const & y);
 
   82         template <
typename genType> 
 
   88 #include "fast_square_root.inl" 
GLM_FUNC_DECL T fastDistance(vecType< T, P > const &x, vecType< T, P > const &y)
Faster than the common distance function but less accurate. 
GLM_FUNC_DECL genType fastNormalize(genType const &x)
Faster than the common normalize function but less accurate. 
GLM_FUNC_DECL vecType< T, P > fastInverseSqrt(vecType< T, P > const &x)
Faster than the common inversesqrt function but less accurate. 
GLM_FUNC_DECL vecType< T, P > fastSqrt(vecType< T, P > const &x)
Faster than the common sqrt function but less accurate. 
GLM_FUNC_DECL T fastLength(vecType< T, P > const &x)
Faster than the common length function but less accurate.