Cannot sample enough valid points. (more)

\[\sqrt{a \cdot a - b \cdot b}\]
\sqrt{a \cdot a - b \cdot b}
double f(double a, double b) {
        double r882321 = a;
        double r882322 = r882321 * r882321;
        double r882323 = b;
        double r882324 = r882323 * r882323;
        double r882325 = r882322 - r882324;
        double r882326 = sqrt(r882325);
        return r882326;
}