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 r15297 = x;
        double r15298 = cosh(r15297);
        double r15299 = asin(r15298);
        double r15300 = r15297 + r15299;
        return r15300;
}