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 r9603 = a;
        double r9604 = b;
        double r9605 = r9603 + r9604;
        double r9606 = c;
        double r9607 = r9605 + r9606;
        double r9608 = 2.0;
        double r9609 = r9607 / r9608;
        double r9610 = r9609 - r9603;
        double r9611 = r9609 * r9610;
        double r9612 = r9609 - r9604;
        double r9613 = r9611 * r9612;
        double r9614 = r9609 - r9606;
        double r9615 = r9613 * r9614;
        double r9616 = sqrt(r9615);
        return r9616;
}