Cannot sample enough valid points. (more)

\[0 \lt a \lt b + c \land 0 \lt b \lt a + c \land 0 \lt c \lt a + b\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r3257444 = a;
        double r3257445 = b;
        double r3257446 = r3257444 + r3257445;
        double r3257447 = c;
        double r3257448 = r3257446 + r3257447;
        double r3257449 = 2.0;
        double r3257450 = r3257448 / r3257449;
        double r3257451 = r3257450 - r3257444;
        double r3257452 = r3257450 * r3257451;
        double r3257453 = r3257450 - r3257445;
        double r3257454 = r3257452 * r3257453;
        double r3257455 = r3257450 - r3257447;
        double r3257456 = r3257454 * r3257455;
        double r3257457 = sqrt(r3257456);
        return r3257457;
}