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quake 3's fastest inverse square root

This module is a port from Quake 3's inverse square root algorithm.

Installation

  1. Get yourself a C compiler (like gcc, clang or msvc)
  2. Run python setup.py install
  3. Enjoy!

Build

  1. Get yourself a C compiler (like gcc, clang or msvc)
  2. Run python setup.py build bdist_wheel sdist
  3. Check the dist folder for the wheel and source distribution

Documentation

quake_inverse_sq.coarse_inv_sqrt(number: float) -> float
This is fastest inverse square root algorithm. It is not as accurate as the quake_inverse_sq.fined_inv_sqrt function, but it is much faster. It is implemented from this wikipedia

quake_inverse_sq.fined_inv_sqrt(number: float) -> float This is the original inverse square root algorithm. It is more accurate than the quake_inverse_sq.coarse_inv_sqrt function, but it is slower. It is implemented from math.h