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 r2734 = a;
        double r2735 = b;
        double r2736 = r2734 + r2735;
        double r2737 = c;
        double r2738 = r2736 + r2737;
        double r2739 = 2.0;
        double r2740 = r2738 / r2739;
        double r2741 = r2740 - r2734;
        double r2742 = r2740 * r2741;
        double r2743 = r2740 - r2735;
        double r2744 = r2742 * r2743;
        double r2745 = r2740 - r2737;
        double r2746 = r2744 * r2745;
        double r2747 = sqrt(r2746);
        return r2747;
}