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 r16826 = a;
        double r16827 = b;
        double r16828 = r16826 + r16827;
        double r16829 = c;
        double r16830 = r16828 + r16829;
        double r16831 = 2.0;
        double r16832 = r16830 / r16831;
        double r16833 = r16832 - r16826;
        double r16834 = r16832 * r16833;
        double r16835 = r16832 - r16827;
        double r16836 = r16834 * r16835;
        double r16837 = r16832 - r16829;
        double r16838 = r16836 * r16837;
        double r16839 = sqrt(r16838);
        return r16839;
}