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 r12875 = x;
        double r12876 = cosh(r12875);
        double r12877 = asin(r12876);
        double r12878 = r12875 + r12877;
        return r12878;
}