/atan_lookup

A fast and accurate approximation of arctan by look-up mothod with three variants inside, implemented in C++

Primary LanguageC++Apache License 2.0Apache-2.0

atan_lookup

A fast and accurate approximation of atan by look-up mothod with three variants inside in c++. For more comparison to other polynomial approximation you can refer these two papers:

[1] Abhisek Ukil, Vishal H Shah, Bernhard Deck, "Fast Computation of arctangent Functions for Embedded Applications: A Comparative Analysis" IEEE International Symposium on Industrial Electronics, Pages: 1206 - 1211, DOI: 10.1109/ISIE.2011.5984330, 2011

[2] Sreeraman Rajan, Sichun Wang, Robert Inkol, and Alain Joyal "Efficient Approximations for the Arctangent Function" IEEE SIGNAL PROCESSING MAGAZINE [108] MAY 2006

Any advice or suggestion towards this simple function please contact me.