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 r8163 = x;
        double r8164 = cosh(r8163);
        double r8165 = asin(r8164);
        double r8166 = r8163 + r8165;
        return r8166;
}