18 #include "../common.hpp" 19 #include "../exponential.hpp" 20 #include "../geometric.hpp" 22 #ifndef GLM_ENABLE_EXPERIMENTAL 23 # error "GLM: GLM_GTX_fast_square_root 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." 26 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED) 27 # pragma message("GLM: GLM_GTX_fast_square_root extension included") 38 template<
typename genType>
39 GLM_FUNC_DECL genType
fastSqrt(genType x);
44 template<length_t L,
typename T, qualifier Q>
45 GLM_FUNC_DECL vec<L, T, Q>
fastSqrt(vec<L, T, Q>
const& x);
50 template<
typename genType>
56 template<length_t L,
typename T, qualifier Q>
62 template<
typename genType>
68 template<length_t L,
typename T, qualifier Q>
69 GLM_FUNC_DECL T
fastLength(vec<L, T, Q>
const& x);
74 template<
typename genType>
75 GLM_FUNC_DECL genType
fastDistance(genType x, genType y);
80 template<length_t L,
typename T, qualifier Q>
81 GLM_FUNC_DECL T
fastDistance(vec<L, T, Q>
const& x, vec<L, T, Q>
const& y);
86 template<
typename genType>
92 #include "fast_square_root.inl" GLM_FUNC_DECL vec< L, T, Q > fastInverseSqrt(vec< L, T, Q > const &x)
Faster than the common inversesqrt function but less accurate.
GLM_FUNC_DECL vec< L, T, Q > fastSqrt(vec< L, T, Q > const &x)
Faster than the common sqrt function but less accurate.
GLM_FUNC_DECL T fastLength(vec< L, T, Q > const &x)
Faster than the common length function but less accurate.
GLM_FUNC_DECL genType fastNormalize(genType const &x)
Faster than the common normalize function but less accurate.
GLM_FUNC_DECL T fastDistance(vec< L, T, Q > const &x, vec< L, T, Q > const &y)
Faster than the common distance function but less accurate.