\frac{x}{1.0 + \sqrt{x + 1.0}}\frac{x}{1.0 + \sqrt{1.0 + x}}double f(double x) {
double r6152896 = x;
double r6152897 = 1.0;
double r6152898 = r6152896 + r6152897;
double r6152899 = sqrt(r6152898);
double r6152900 = r6152897 + r6152899;
double r6152901 = r6152896 / r6152900;
return r6152901;
}
double f(double x) {
double r6152902 = x;
double r6152903 = 1.0;
double r6152904 = r6152903 + r6152902;
double r6152905 = sqrt(r6152904);
double r6152906 = r6152903 + r6152905;
double r6152907 = r6152902 / r6152906;
return r6152907;
}



Bits error versus x
Results
Initial program 0.2
Final simplification0.2
herbie shell --seed 2019168
(FPCore (x)
:name "Numeric.Log:$clog1p from log-domain-0.10.2.1, B"
(/ x (+ 1.0 (sqrt (+ x 1.0)))))