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 r9577 = x;
        double r9578 = cosh(r9577);
        double r9579 = asin(r9578);
        double r9580 = r9577 + r9579;
        return r9580;
}