Cannot sample enough valid points. (more)

\[x + \sin^{-1} \left(\cosh x\right)\]
x + \sin^{-1} \left(\cosh x\right)
double f(double x) {
        double r1551536 = x;
        double r1551537 = cosh(r1551536);
        double r1551538 = asin(r1551537);
        double r1551539 = r1551536 + r1551538;
        return r1551539;
}