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 r5138 = x;
        double r5139 = cosh(r5138);
        double r5140 = asin(r5139);
        double r5141 = r5138 + r5140;
        return r5141;
}