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 r2511670 = a;
        double r2511671 = b;
        double r2511672 = r2511670 + r2511671;
        double r2511673 = c;
        double r2511674 = r2511672 + r2511673;
        double r2511675 = 2.0;
        double r2511676 = r2511674 / r2511675;
        double r2511677 = r2511676 - r2511670;
        double r2511678 = r2511676 * r2511677;
        double r2511679 = r2511676 - r2511671;
        double r2511680 = r2511678 * r2511679;
        double r2511681 = r2511676 - r2511673;
        double r2511682 = r2511680 * r2511681;
        double r2511683 = sqrt(r2511682);
        return r2511683;
}