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 r3246 = x;
        double r3247 = cosh(r3246);
        double r3248 = asin(r3247);
        double r3249 = r3246 + r3248;
        return r3249;
}