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 r14463 = a;
        double r14464 = b;
        double r14465 = r14463 + r14464;
        double r14466 = c;
        double r14467 = r14465 + r14466;
        double r14468 = 2.0;
        double r14469 = r14467 / r14468;
        double r14470 = r14469 - r14463;
        double r14471 = r14469 * r14470;
        double r14472 = r14469 - r14464;
        double r14473 = r14471 * r14472;
        double r14474 = r14469 - r14466;
        double r14475 = r14473 * r14474;
        double r14476 = sqrt(r14475);
        return r14476;
}