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 r20946 = x;
        double r20947 = cosh(r20946);
        double r20948 = asin(r20947);
        double r20949 = r20946 + r20948;
        return r20949;
}