WebSep 6, 2013 · Here's the guaranteed fastest possible sine function in C++: double FastSin (double x) { return 0; } Oh, you wanted better accuracy than 1.0 ? Well, here is a sine … WebDec 10, 2015 · I am currently searching for a very fast integer square root approximation, where floor(sqrt(x)) <= veryFastIntegerSquareRoot(x) <= x. The square root routine is …
How is the square root function implemented? - Stack Overflow
WebMar 25, 2024 · Sometimes a function is needed to find the integer square root of X, where X can be a real non─negative number. Often X is actually a non─negative integer. For the purposes of this task, X can be an integer or a real number, but if it simplifies things in your computer programming language, assume it's an integer. One of the most common uses … WebJul 22, 2013 · The code below performs a fast inverse square root operation by some bit hacks. The algorithm was probably developed by Silicon Graphics in early 1990's and it's appeared in Quake 3 too. more info. However I get the following warning from GCC C++ compiler: dereferencing type-punned pointer will break strict-aliasing rules picsart beauty
Is it still worth using the Quake fast inverse square root algorithm ...
WebMar 4, 2024 · Many sources indicate that well-known fast inverse square root algorithm can be generalized to calculation arbitrary power inverse root. Unfortunately I have not found such C++ implementation and I'm … WebFast Inverse Square Root. This repository implements a fast approximation of the inverse square root: 1/√(x). It is a simplified version of the famous hack used in the 3D game Quake in the 90s. Get started Code snippet. If you just need the code, simply copy and paste the following code snippet. picsart billy bonnie