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 r3484 = a;
        double r3485 = b;
        double r3486 = r3484 + r3485;
        double r3487 = c;
        double r3488 = r3486 + r3487;
        double r3489 = 2.0;
        double r3490 = r3488 / r3489;
        double r3491 = r3490 - r3484;
        double r3492 = r3490 * r3491;
        double r3493 = r3490 - r3485;
        double r3494 = r3492 * r3493;
        double r3495 = r3490 - r3487;
        double r3496 = r3494 * r3495;
        double r3497 = sqrt(r3496);
        return r3497;
}