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 r15542 = x;
        double r15543 = cosh(r15542);
        double r15544 = asin(r15543);
        double r15545 = r15542 + r15544;
        return r15545;
}