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 r12306 = x;
        double r12307 = cosh(r12306);
        double r12308 = asin(r12307);
        double r12309 = r12306 + r12308;
        return r12309;
}