Do you know what is Fast inverse square root

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=264dcb5Xj9M

This channel is solely used for educational and accessibility purposes, and is the subject on a series of educational videos about programing and artificial intelligence being published on my main YouTube account. This channel is not intended as a commercial venture. This account won't feature any new future videos. • ---- • Fast inverse square root, sometimes referred to as Fast InvSqrt or by the hexadecimal constant 0x5F3759DF, is an algorithm that estimates 1/√x, the reciprocal of the square root of a 32-bit floating-point number x in IEEE 754 floating-point format. • This operation is used in digital signal processing to normalize a vector, i.e., scale it to length 1. • For example, computer graphics programs use inverse square roots to compute angles of incidence and reflection for lighting and shading. • The algorithm is best known for its implementation in 1999 in the source code of Quake III Arena, a first-person shooter video game that made heavy use of 3D graphics. • The algorithm only started appearing on public forums such as Usenet in 2002 or 2003. • At the time, it was generally computationally expensive to compute the reciprocal of a floating-point number, especially on a large scale; the fast inverse square root bypassed this step • The algorithm accepts a 32-bit floating-point number as the input and stores a halved value for later use. • • Credits: • https://en.wikipedia.org/wiki/Fast_in... • https://image.slidesharecdn.com/fasti... • https://cdn.slidesharecdn.com/ss_thum... • https://i.ytimg.com/vi/4nShTeUEJIQ/ma... • https://image.slidesharecdn.com/fasti... • https://image.slidesharecdn.com/fasti... • https://www.researchgate.net/profile/... • https://i.ytimg.com/vi/9kP0Sv75KQY/hq...

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