Cannot sample enough valid points. (more)

\[0.0 \lt a \lt b + c \land 0.0 \lt b \lt a + c \land 0.0 \lt c \lt a + b\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r67795 = a;
        double r67796 = b;
        double r67797 = r67795 + r67796;
        double r67798 = c;
        double r67799 = r67797 + r67798;
        double r67800 = 2.0;
        double r67801 = r67799 / r67800;
        double r67802 = r67801 - r67795;
        double r67803 = r67801 * r67802;
        double r67804 = r67801 - r67796;
        double r67805 = r67803 * r67804;
        double r67806 = r67801 - r67798;
        double r67807 = r67805 * r67806;
        double r67808 = sqrt(r67807);
        return r67808;
}