\frac{x \cdot x - 3}{6}\left(x \cdot x - 3\right) \cdot 0.16666666666666666
(FPCore (x) :precision binary64 (/ (- (* x x) 3.0) 6.0))
(FPCore (x) :precision binary64 (* (- (* x x) 3.0) 0.16666666666666666))
double code(double x) {
return ((x * x) - 3.0) / 6.0;
}
double code(double x) {
return ((x * x) - 3.0) * 0.16666666666666666;
}



Bits error versus x
Results
Initial program 0.1
rmApplied div-inv_binary640.2
Simplified0.2
Final simplification0.2
herbie shell --seed 2020253
(FPCore (x)
:name "Numeric.SpecFunctions:invIncompleteBetaWorker from math-functions-0.1.5.2, H"
:precision binary64
(/ (- (* x x) 3.0) 6.0))