\cos x \cdot \frac{\sinh y}{y}\left(\left(\cos x \cdot \sqrt{\frac{\sinh y}{y}}\right) \cdot \sqrt{\sqrt{\frac{\sinh y}{y}}}\right) \cdot \sqrt{\sqrt{\frac{\sinh y}{y}}}double code(double x, double y) {
return (cos(x) * (sinh(y) / y));
}
double code(double x, double y) {
return (((cos(x) * sqrt((sinh(y) / y))) * sqrt(sqrt((sinh(y) / y)))) * sqrt(sqrt((sinh(y) / y))));
}



Bits error versus x



Bits error versus y
Results
Initial program 0.0
rmApplied add-sqr-sqrt0.0
Applied associate-*r*0.0
rmApplied add-sqr-sqrt0.0
Applied sqrt-prod0.0
Applied associate-*r*0.0
Final simplification0.0
herbie shell --seed 2020053
(FPCore (x y)
:name "Linear.Quaternion:$csin from linear-1.19.1.3"
:precision binary64
(* (cos x) (/ (sinh y) y)))