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 r15177 = x;
        double r15178 = cosh(r15177);
        double r15179 = asin(r15178);
        double r15180 = r15177 + r15179;
        return r15180;
}