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 r83738 = a;
        double r83739 = b;
        double r83740 = r83738 + r83739;
        double r83741 = c;
        double r83742 = r83740 + r83741;
        double r83743 = 2.0;
        double r83744 = r83742 / r83743;
        double r83745 = r83744 - r83738;
        double r83746 = r83744 * r83745;
        double r83747 = r83744 - r83739;
        double r83748 = r83746 * r83747;
        double r83749 = r83744 - r83741;
        double r83750 = r83748 * r83749;
        double r83751 = sqrt(r83750);
        return r83751;
}