\log \left(\frac{1}{x} + \frac{\sqrt{1 - x \cdot x}}{x}\right)\log \left(\frac{1}{x} + \frac{\sqrt{1 - x \cdot x}}{x}\right)double f(double x) {
double r5647349 = 1.0;
double r5647350 = x;
double r5647351 = r5647349 / r5647350;
double r5647352 = r5647350 * r5647350;
double r5647353 = r5647349 - r5647352;
double r5647354 = sqrt(r5647353);
double r5647355 = r5647354 / r5647350;
double r5647356 = r5647351 + r5647355;
double r5647357 = log(r5647356);
return r5647357;
}
double f(double x) {
double r5647358 = 1.0;
double r5647359 = x;
double r5647360 = r5647358 / r5647359;
double r5647361 = r5647359 * r5647359;
double r5647362 = r5647358 - r5647361;
double r5647363 = sqrt(r5647362);
double r5647364 = r5647363 / r5647359;
double r5647365 = r5647360 + r5647364;
double r5647366 = log(r5647365);
return r5647366;
}



Bits error versus x
Results
Initial program 0.0
Final simplification0.0
herbie shell --seed 2019173
(FPCore (x)
:name "Hyperbolic arc-(co)secant"
(log (+ (/ 1.0 x) (/ (sqrt (- 1.0 (* x x))) x))))