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 r763699 = a;
        double r763700 = b;
        double r763701 = r763699 + r763700;
        double r763702 = c;
        double r763703 = r763701 + r763702;
        double r763704 = 2.0;
        double r763705 = r763703 / r763704;
        double r763706 = r763705 - r763699;
        double r763707 = r763705 * r763706;
        double r763708 = r763705 - r763700;
        double r763709 = r763707 * r763708;
        double r763710 = r763705 - r763702;
        double r763711 = r763709 * r763710;
        double r763712 = sqrt(r763711);
        return r763712;
}