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 r8958 = x;
        double r8959 = cosh(r8958);
        double r8960 = asin(r8959);
        double r8961 = r8958 + r8960;
        return r8961;
}