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 r1830628 = a;
        double r1830629 = b;
        double r1830630 = r1830628 + r1830629;
        double r1830631 = c;
        double r1830632 = r1830630 + r1830631;
        double r1830633 = 2.0;
        double r1830634 = r1830632 / r1830633;
        double r1830635 = r1830634 - r1830628;
        double r1830636 = r1830634 * r1830635;
        double r1830637 = r1830634 - r1830629;
        double r1830638 = r1830636 * r1830637;
        double r1830639 = r1830634 - r1830631;
        double r1830640 = r1830638 * r1830639;
        double r1830641 = sqrt(r1830640);
        return r1830641;
}