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 r3513 = x;
        double r3514 = cosh(r3513);
        double r3515 = asin(r3514);
        double r3516 = r3513 + r3515;
        return r3516;
}