Cannot sample enough valid points. (more)

\[0.0 \lt a \land 0.0 \lt b \land 0.0 \lt c\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}
double f(double a, double b, double c) {
        double r2326 = a;
        double r2327 = b;
        double r2328 = r2326 + r2327;
        double r2329 = c;
        double r2330 = r2328 + r2329;
        double r2331 = 2.0;
        double r2332 = r2330 / r2331;
        double r2333 = r2332 - r2326;
        double r2334 = r2332 * r2333;
        double r2335 = r2332 - r2327;
        double r2336 = r2334 * r2335;
        double r2337 = r2332 - r2329;
        double r2338 = r2336 * r2337;
        double r2339 = sqrt(r2338);
        return r2339;
}