x + \frac{\left|y - x\right|}{2}x + \frac{\left|y - x\right|}{2}double code(double x, double y) {
return (x + (fabs((y - x)) / 2.0));
}
double code(double x, double y) {
return (x + (fabs((y - x)) / 2.0));
}



Bits error versus x



Bits error versus y
Results
Initial program 0.1
Final simplification0.1
herbie shell --seed 2020056 +o rules:numerics
(FPCore (x y)
:name "Graphics.Rendering.Chart.Plot.AreaSpots:renderSpotLegend from Chart-1.5.3"
:precision binary64
(+ x (/ (fabs (- y x)) 2)))