{\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(\frac{angle \cdot \pi}{180}\right)\right)}^{2} + {\left(b \cdot \log \left(e^{\sqrt[3]{{\cos \left(\left(angle \cdot \pi\right) \cdot 0.005555555555555556\right)}^{3}}}\right)\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 PI) 180.0))) 2.0)
(pow
(*
b
(log (exp (cbrt (pow (cos (* (* angle PI) 0.005555555555555556)) 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 * ((double) M_PI)) / 180.0)), 2.0) + pow((b * log(exp(cbrt(pow(cos((angle * ((double) M_PI)) * 0.005555555555555556), 3.0))))), 2.0);
}



Bits error versus a



Bits error versus b



Bits error versus angle
Results
Initial program 20.2
Taylor expanded in angle around inf 20.2
Applied add-log-exp_binary6420.2
Applied add-cbrt-cube_binary6420.2
Simplified20.2
Applied associate-*l/_binary6420.2
Final simplification20.2
herbie shell --seed 2022082
(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)))