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 r18435 = x;
        double r18436 = cosh(r18435);
        double r18437 = asin(r18436);
        double r18438 = r18435 + r18437;
        return r18438;
}