17 #include "../geometric.hpp"    18 #include "../gtx/quaternion.hpp"    20 #ifndef GLM_ENABLE_EXPERIMENTAL    21 #   error "GLM: GLM_GTX_norm 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."    24 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)    25 #   pragma message("GLM: GLM_GTX_norm extension included")    35     template<length_t L, 
typename T, qualifier Q>
    36     GLM_FUNC_DECL T 
length2(vec<L, T, Q> 
const& x);
    40     template<length_t L, 
typename T, qualifier Q>
    41     GLM_FUNC_DECL T 
distance2(vec<L, T, Q> 
const& p0, vec<L, T, Q> 
const& p1);
    45     template<
typename T, qualifier Q>
    46     GLM_FUNC_DECL T 
l1Norm(vec<3, T, Q> 
const& x, vec<3, T, Q> 
const& y);
    50     template<
typename T, qualifier Q>
    51     GLM_FUNC_DECL T 
l1Norm(vec<3, T, Q> 
const& v);
    55     template<
typename T, qualifier Q>
    56     GLM_FUNC_DECL T 
l2Norm(vec<3, T, Q> 
const& x, vec<3, T, Q> 
const& y);
    60     template<
typename T, qualifier Q>
    61     GLM_FUNC_DECL T 
l2Norm(vec<3, T, Q> 
const& x);
    65     template<
typename T, qualifier Q>
    66     GLM_FUNC_DECL T 
lxNorm(vec<3, T, Q> 
const& x, vec<3, T, Q> 
const& y, 
unsigned int Depth);
    70     template<
typename T, qualifier Q>
    71     GLM_FUNC_DECL T 
lxNorm(vec<3, T, Q> 
const& x, 
unsigned int Depth);
 GLM_FUNC_DECL T l2Norm(vec< 3, T, Q > const &x)
Returns the L2 norm of v. 
GLM_FUNC_DECL T l1Norm(vec< 3, T, Q > const &v)
Returns the L1 norm of v. 
GLM_FUNC_DECL T length2(vec< L, T, Q > const &x)
Returns the squared length of x. 
GLM_FUNC_DECL T lxNorm(vec< 3, T, Q > const &x, unsigned int Depth)
Returns the L norm of v. 
GLM_FUNC_DECL T distance2(vec< L, T, Q > const &p0, vec< L, T, Q > const &p1)
Returns the squared distance between p0 and p1, i.e., length2(p0 - p1).