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 r15623 = x;
        double r15624 = cosh(r15623);
        double r15625 = asin(r15624);
        double r15626 = r15623 + r15625;
        return r15626;
}