0.9.9/api/a00548_source.html

 #pragma once

 // Dependency:
 #include "../gtx/fast_square_root.hpp"

 #ifndef GLM_ENABLE_EXPERIMENTAL
 #   error "GLM: GLM_GTX_normalize_dot 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."
 #endif

 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
 #   pragma message("GLM: GLM_GTX_normalize_dot extension included")
 #endif

 namespace glm
 {

     template<length_t L, typename T, qualifier Q>
     GLM_FUNC_DECL T normalizeDot(vec<L, T, Q> const& x, vec<L, T, Q> const& y);

     template<length_t L, typename T, qualifier Q>
     GLM_FUNC_DECL T fastNormalizeDot(vec<L, T, Q> const& x, vec<L, T, Q> const& y);

 }//namespace glm

 #include "normalize_dot.inl"
glm::normalizeDot
GLM_FUNC_DECL T normalizeDot(vec< L, T, Q > const &x, vec< L, T, Q > const &y)
Normalize parameters and returns the dot product of x and y.

glm::fastNormalizeDot
GLM_FUNC_DECL T fastNormalizeDot(vec< L, T, Q > const &x, vec< L, T, Q > const &y)
Normalize parameters and returns the dot product of x and y.

glm
Definition: common.hpp:20