Cannot sample enough valid points. (more)

\[0 \lt a \land 0 \lt b \land 0 \lt c\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r931538 = a;
        double r931539 = b;
        double r931540 = r931538 + r931539;
        double r931541 = c;
        double r931542 = r931540 + r931541;
        double r931543 = 2.0;
        double r931544 = r931542 / r931543;
        double r931545 = r931544 - r931538;
        double r931546 = r931544 * r931545;
        double r931547 = r931544 - r931539;
        double r931548 = r931546 * r931547;
        double r931549 = r931544 - r931541;
        double r931550 = r931548 * r931549;
        double r931551 = sqrt(r931550);
        return r931551;
}