\frac{1 - 5 \cdot \left(v \cdot v\right)}{\left(\left(\pi \cdot t\right) \cdot \sqrt{2 \cdot \left(1 - 3 \cdot \left(v \cdot v\right)\right)}\right) \cdot \left(1 - v \cdot v\right)}\frac{1 - \left(v \cdot v\right) \cdot 5}{\left(\left(\pi \cdot t\right) \cdot \sqrt{2 \cdot \left(1 - \left(v \cdot v\right) \cdot 3\right)}\right) \cdot \left(1 - {v}^{4}\right)} \cdot \left(1 + v \cdot v\right)(FPCore (v t) :precision binary64 (/ (- 1.0 (* 5.0 (* v v))) (* (* (* PI t) (sqrt (* 2.0 (- 1.0 (* 3.0 (* v v)))))) (- 1.0 (* v v)))))
(FPCore (v t) :precision binary64 (* (/ (- 1.0 (* (* v v) 5.0)) (* (* (* PI t) (sqrt (* 2.0 (- 1.0 (* (* v v) 3.0))))) (- 1.0 (pow v 4.0)))) (+ 1.0 (* v v))))
double code(double v, double t) {
return (1.0 - (5.0 * (v * v))) / (((((double) M_PI) * t) * sqrt(2.0 * (1.0 - (3.0 * (v * v))))) * (1.0 - (v * v)));
}
double code(double v, double t) {
return ((1.0 - ((v * v) * 5.0)) / (((((double) M_PI) * t) * sqrt(2.0 * (1.0 - ((v * v) * 3.0)))) * (1.0 - pow(v, 4.0)))) * (1.0 + (v * v));
}



Bits error versus v



Bits error versus t
Results
Initial program 0.4
rmApplied flip--_binary640.4
Applied associate-*r/_binary640.4
Applied associate-/r/_binary640.4
Simplified0.4
Final simplification0.4
herbie shell --seed 2020233
(FPCore (v t)
:name "Falkner and Boettcher, Equation (20:1,3)"
:precision binary64
(/ (- 1.0 (* 5.0 (* v v))) (* (* (* PI t) (sqrt (* 2.0 (- 1.0 (* 3.0 (* v v)))))) (- 1.0 (* v v)))))