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 r8323 = a;
        double r8324 = b;
        double r8325 = r8323 + r8324;
        double r8326 = c;
        double r8327 = r8325 + r8326;
        double r8328 = 2.0;
        double r8329 = r8327 / r8328;
        double r8330 = r8329 - r8323;
        double r8331 = r8329 * r8330;
        double r8332 = r8329 - r8324;
        double r8333 = r8331 * r8332;
        double r8334 = r8329 - r8326;
        double r8335 = r8333 * r8334;
        double r8336 = sqrt(r8335);
        return r8336;
}