\frac{x}{1 + \sqrt{x + 1}}\frac{x}{1 + \sqrt{x + 1}}double f(double x) {
double r111306 = x;
double r111307 = 1.0;
double r111308 = r111306 + r111307;
double r111309 = sqrt(r111308);
double r111310 = r111307 + r111309;
double r111311 = r111306 / r111310;
return r111311;
}
double f(double x) {
double r111312 = x;
double r111313 = 1.0;
double r111314 = r111312 + r111313;
double r111315 = sqrt(r111314);
double r111316 = r111313 + r111315;
double r111317 = r111312 / r111316;
return r111317;
}



Bits error versus x
Results
Initial program 0.2
Final simplification0.2
herbie shell --seed 2020081 +o rules:numerics
(FPCore (x)
:name "Numeric.Log:$clog1p from log-domain-0.10.2.1, B"
:precision binary64
(/ x (+ 1 (sqrt (+ x 1)))))