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 r1314018 = a;
        double r1314019 = b;
        double r1314020 = r1314018 + r1314019;
        double r1314021 = c;
        double r1314022 = r1314020 + r1314021;
        double r1314023 = 2.0;
        double r1314024 = r1314022 / r1314023;
        double r1314025 = r1314024 - r1314018;
        double r1314026 = r1314024 * r1314025;
        double r1314027 = r1314024 - r1314019;
        double r1314028 = r1314026 * r1314027;
        double r1314029 = r1314024 - r1314021;
        double r1314030 = r1314028 * r1314029;
        double r1314031 = sqrt(r1314030);
        return r1314031;
}