Cannot sample enough valid points. (more)

\[\sqrt{\frac{x}{2}} + \sqrt{-x}\]
\sqrt{\frac{x}{2}} + \sqrt{-x}
double f(double x) {
        double r1870719 = x;
        double r1870720 = 2.0;
        double r1870721 = r1870719 / r1870720;
        double r1870722 = sqrt(r1870721);
        double r1870723 = -r1870719;
        double r1870724 = sqrt(r1870723);
        double r1870725 = r1870722 + r1870724;
        return r1870725;
}