0.9.8: GLM_GTX_fast_square_root

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GLM_GTX_fast_square_root GTX Extensions (Experimental)

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Functions

| | template<typename genType > | | GLM_FUNC_DECL genType | fastDistance (genType x, genType y) | | | | template<typename T , precision P, template< typename, precision > class vecType> | | GLM_FUNC_DECL T | fastDistance (vecType< T, P > const &x, vecType< T, P > const &y) | | | | template<typename genType > | | GLM_FUNC_DECL genType | fastInverseSqrt (genType x) | | | | template<typename T , precision P, template< typename, precision > class vecType> | | GLM_FUNC_DECL vecType< T, P > | fastInverseSqrt (vecType< T, P > const &x) | | | | template<typename genType > | | GLM_FUNC_DECL genType | fastLength (genType x) | | | | template<typename T , precision P, template< typename, precision > class vecType> | | GLM_FUNC_DECL T | fastLength (vecType< T, P > const &x) | | | | template<typename genType > | | GLM_FUNC_DECL genType | fastNormalize (genType const &x) | | | | template<typename genType > | | GLM_FUNC_DECL genType | fastSqrt (genType x) | | | | template<typename T , precision P, template< typename, precision > class vecType> | | GLM_FUNC_DECL vecType< T, P > | fastSqrt (vecType< T, P > const &x) | | |

Detailed Description

Fast but less accurate implementations of square root based functions.

• Sqrt optimisation based on Newton's method, www.gamedev.net/community/forums/topic.asp?topic id=139956

<glm/gtx/fast_square_root.hpp> need to be included to use these functionalities.

Function Documentation

| GLM_FUNC_DECL genType glm::fastDistance | ( | genType | x, | | | | genType | y | | | ) | | |

Faster than the common distance function but less accurate.

See alsoGLM_GTX_fast_square_root extension.

| GLM_FUNC_DECL T glm::fastDistance | ( | vecType< T, P > const & | x, | | | | vecType< T, P > const & | y | | | ) | | |

Faster than the common distance function but less accurate.

See alsoGLM_GTX_fast_square_root extension.

| GLM_FUNC_DECL genType glm::fastInverseSqrt | ( | genType | x | ) | |

Faster than the common inversesqrt function but less accurate.

See alsoGLM_GTX_fast_square_root extension.

| GLM_FUNC_DECL vecType<T, P> glm::fastInverseSqrt | ( | vecType< T, P > const & | x | ) | |

Faster than the common inversesqrt function but less accurate.

See alsoGLM_GTX_fast_square_root extension.

| GLM_FUNC_DECL genType glm::fastLength | ( | genType | x | ) | |

Faster than the common length function but less accurate.

See alsoGLM_GTX_fast_square_root extension.

| GLM_FUNC_DECL T glm::fastLength | ( | vecType< T, P > const & | x | ) | |

Faster than the common length function but less accurate.

See alsoGLM_GTX_fast_square_root extension.

| GLM_FUNC_DECL genType glm::fastNormalize | ( | genType const & | x | ) | |

Faster than the common normalize function but less accurate.

See alsoGLM_GTX_fast_square_root extension.

| GLM_FUNC_DECL genType glm::fastSqrt | ( | genType | x | ) | |

Faster than the common sqrt function but less accurate.

See alsoGLM_GTX_fast_square_root extension.

| GLM_FUNC_DECL vecType<T, P> glm::fastSqrt | ( | vecType< T, P > const & | x | ) | |

Faster than the common sqrt function but less accurate.

See alsoGLM_GTX_fast_square_root extension.

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