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 r624570 = a;
        double r624571 = b;
        double r624572 = r624570 + r624571;
        double r624573 = c;
        double r624574 = r624572 + r624573;
        double r624575 = 2.0;
        double r624576 = r624574 / r624575;
        double r624577 = r624576 - r624570;
        double r624578 = r624576 * r624577;
        double r624579 = r624576 - r624571;
        double r624580 = r624578 * r624579;
        double r624581 = r624576 - r624573;
        double r624582 = r624580 * r624581;
        double r624583 = sqrt(r624582);
        return r624583;
}