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 r8023 = x;
        double r8024 = cosh(r8023);
        double r8025 = asin(r8024);
        double r8026 = r8023 + r8025;
        return r8026;
}