fast_atan is realization of the atan2 approximations faster than standard function. Performance atan2 approximations on 200 000 random values name | time [us]| mean error [deg] | max. error [deg] | cmath atan2 | 16324 | – | – | atan2LUT[256] | 4534 | 0.083 | 0.224 | atan2LUTif[256] | 4710 | 0.083 | 0.224 | atan2PI_4 | 3826 | 2.640 | 4.074 | atan2approx | 3949 | 0.135 | 0.215 |
ducha-aiki/fast_atan2
Realization of the atan2 approximations faster than standard function.
C++NOASSERTION