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 r8031 = x;
        double r8032 = cosh(r8031);
        double r8033 = asin(r8032);
        double r8034 = r8031 + r8033;
        return r8034;
}