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 r91691 = a;
        double r91692 = b;
        double r91693 = r91691 + r91692;
        double r91694 = c;
        double r91695 = r91693 + r91694;
        double r91696 = 2.0;
        double r91697 = r91695 / r91696;
        double r91698 = r91697 - r91691;
        double r91699 = r91697 * r91698;
        double r91700 = r91697 - r91692;
        double r91701 = r91699 * r91700;
        double r91702 = r91697 - r91694;
        double r91703 = r91701 * r91702;
        double r91704 = sqrt(r91703);
        return r91704;
}