{\left(a \cdot \sin \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2} + {\left(b \cdot \cos \left(\frac{angle}{180} \cdot \pi\right)\right)}^{2}{\left(a \cdot \sin \left(angle \cdot \left(0.005555555555555556 \cdot \pi\right)\right)\right)}^{2} + {\left(b \cdot \sqrt[3]{{\cos \left(\sqrt{0.005555555555555556} \cdot \left(\sqrt{0.005555555555555556} \cdot \left(angle \cdot \pi\right)\right)\right)}^{3}}\right)}^{2}(FPCore (a b angle) :precision binary64 (+ (pow (* a (sin (* (/ angle 180.0) PI))) 2.0) (pow (* b (cos (* (/ angle 180.0) PI))) 2.0)))
(FPCore (a b angle)
:precision binary64
(+
(pow (* a (sin (* angle (* 0.005555555555555556 PI)))) 2.0)
(pow
(*
b
(cbrt
(pow
(cos
(*
(sqrt 0.005555555555555556)
(* (sqrt 0.005555555555555556) (* angle PI))))
3.0)))
2.0)))double code(double a, double b, double angle) {
return pow((a * sin((angle / 180.0) * ((double) M_PI))), 2.0) + pow((b * cos((angle / 180.0) * ((double) M_PI))), 2.0);
}
double code(double a, double b, double angle) {
return pow((a * sin(angle * (0.005555555555555556 * ((double) M_PI)))), 2.0) + pow((b * cbrt(pow(cos(sqrt(0.005555555555555556) * (sqrt(0.005555555555555556) * (angle * ((double) M_PI)))), 3.0))), 2.0);
}



Bits error versus a



Bits error versus b



Bits error versus angle
Results
Initial program 19.9
rmApplied div-inv_binary6419.9
Applied associate-*l*_binary6419.9
Simplified19.9
rmApplied div-inv_binary6419.9
Applied associate-*l*_binary6419.9
Simplified19.9
rmApplied add-cbrt-cube_binary6419.9
Simplified19.9
rmApplied add-sqr-sqrt_binary6419.9
Applied associate-*l*_binary6419.9
Simplified19.9
Final simplification19.9
herbie shell --seed 2021118
(FPCore (a b angle)
:name "ab-angle->ABCF A"
:precision binary64
(+ (pow (* a (sin (* (/ angle 180.0) PI))) 2.0) (pow (* b (cos (* (/ angle 180.0) PI))) 2.0)))