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 r8014 = a;
        double r8015 = b;
        double r8016 = r8014 + r8015;
        double r8017 = c;
        double r8018 = r8016 + r8017;
        double r8019 = 2.0;
        double r8020 = r8018 / r8019;
        double r8021 = r8020 - r8014;
        double r8022 = r8020 * r8021;
        double r8023 = r8020 - r8015;
        double r8024 = r8022 * r8023;
        double r8025 = r8020 - r8017;
        double r8026 = r8024 * r8025;
        double r8027 = sqrt(r8026);
        return r8027;
}