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 r8036 = x;
        double r8037 = cosh(r8036);
        double r8038 = asin(r8037);
        double r8039 = r8036 + r8038;
        return r8039;
}