\frac{2.307529999999999859028321225196123123169 + x \cdot 0.2706100000000000171951342053944244980812}{1 + x \cdot \left(0.992290000000000005364597654988756403327 + x \cdot 0.04481000000000000260680366181986755691469\right)} - x\frac{\frac{2.307529999999999859028321225196123123169 + x \cdot 0.2706100000000000171951342053944244980812}{\sqrt{1 + x \cdot \left(0.992290000000000005364597654988756403327 + x \cdot 0.04481000000000000260680366181986755691469\right)}}}{\sqrt{1 + x \cdot \left(0.992290000000000005364597654988756403327 + x \cdot 0.04481000000000000260680366181986755691469\right)}} - xdouble f(double x) {
double r80898 = 2.30753;
double r80899 = x;
double r80900 = 0.27061;
double r80901 = r80899 * r80900;
double r80902 = r80898 + r80901;
double r80903 = 1.0;
double r80904 = 0.99229;
double r80905 = 0.04481;
double r80906 = r80899 * r80905;
double r80907 = r80904 + r80906;
double r80908 = r80899 * r80907;
double r80909 = r80903 + r80908;
double r80910 = r80902 / r80909;
double r80911 = r80910 - r80899;
return r80911;
}
double f(double x) {
double r80912 = 2.30753;
double r80913 = x;
double r80914 = 0.27061;
double r80915 = r80913 * r80914;
double r80916 = r80912 + r80915;
double r80917 = 1.0;
double r80918 = 0.99229;
double r80919 = 0.04481;
double r80920 = r80913 * r80919;
double r80921 = r80918 + r80920;
double r80922 = r80913 * r80921;
double r80923 = r80917 + r80922;
double r80924 = sqrt(r80923);
double r80925 = r80916 / r80924;
double r80926 = r80925 / r80924;
double r80927 = r80926 - r80913;
return r80927;
}



Bits error versus x
Results
Initial program 0.0
rmApplied add-sqr-sqrt0.1
Applied associate-/r*0.1
Final simplification0.1
herbie shell --seed 2019356
(FPCore (x)
:name "Numeric.SpecFunctions:invIncompleteGamma from math-functions-0.1.5.2, C"
:precision binary64
(- (/ (+ 2.30753 (* x 0.27061)) (+ 1 (* x (+ 0.99229 (* x 0.04481))))) x))