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 r8010 = a;
        double r8011 = b;
        double r8012 = r8010 + r8011;
        double r8013 = c;
        double r8014 = r8012 + r8013;
        double r8015 = 2.0;
        double r8016 = r8014 / r8015;
        double r8017 = r8016 - r8010;
        double r8018 = r8016 * r8017;
        double r8019 = r8016 - r8011;
        double r8020 = r8018 * r8019;
        double r8021 = r8016 - r8013;
        double r8022 = r8020 * r8021;
        double r8023 = sqrt(r8022);
        return r8023;
}