double code(double x, double c, double s) {
return ((double) (((double) cos(((double) (2.0 * x)))) / ((double) (((double) pow(c, 2.0)) * ((double) (((double) (x * ((double) pow(s, 2.0)))) * x))))));
}
double code(double x, double c, double s) {
return ((double) (((double) (((double) cos(((double) (x * 2.0)))) / ((double) (x * ((double) (((double) pow(s, ((double) (2.0 / 2.0)))) * ((double) pow(c, ((double) (2.0 / 2.0)))))))))) / ((double) (x * ((double) (((double) pow(s, ((double) (2.0 / 2.0)))) * ((double) pow(c, ((double) (2.0 / 2.0))))))))));
}



Bits error versus x



Bits error versus c



Bits error versus s
Results
Initial program 28.4
rmApplied sqr-pow28.4
Applied associate-*r*22.3
rmApplied associate-*l*20.2
Simplified20.2
rmApplied sqr-pow20.2
Applied unswap-sqr2.9
Simplified5.0
Simplified2.9
rmApplied associate-/r*2.6
Simplified2.6
Final simplification2.6
herbie shell --seed 2020190
(FPCore (x c s)
:name "mixedcos"
:precision binary64
(/ (cos (* 2.0 x)) (* (pow c 2.0) (* (* x (pow s 2.0)) x))))