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



Bits error versus a



Bits error versus b



Bits error versus angle
Results
Initial program 20.6
rmApplied add-sqr-sqrt_binary64_10020.6
Applied add-cube-cbrt_binary64_11320.6
Applied times-frac_binary64_8420.6
Applied associate-*l*_binary64_1920.6
Simplified20.6
Taylor expanded around inf 20.6
Final simplification20.6
herbie shell --seed 2021098
(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)))