Cannot sample enough valid points. (more)

\[0.0 \lt a \lt b + c \land 0.0 \lt b \lt a + c \land 0.0 \lt c \lt a + b\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r79411 = a;
        double r79412 = b;
        double r79413 = r79411 + r79412;
        double r79414 = c;
        double r79415 = r79413 + r79414;
        double r79416 = 2.0;
        double r79417 = r79415 / r79416;
        double r79418 = r79417 - r79411;
        double r79419 = r79417 * r79418;
        double r79420 = r79417 - r79412;
        double r79421 = r79419 * r79420;
        double r79422 = r79417 - r79414;
        double r79423 = r79421 * r79422;
        double r79424 = sqrt(r79423);
        return r79424;
}