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 r83673 = a;
        double r83674 = b;
        double r83675 = r83673 + r83674;
        double r83676 = c;
        double r83677 = r83675 + r83676;
        double r83678 = 2.0;
        double r83679 = r83677 / r83678;
        double r83680 = r83679 - r83673;
        double r83681 = r83679 * r83680;
        double r83682 = r83679 - r83674;
        double r83683 = r83681 * r83682;
        double r83684 = r83679 - r83676;
        double r83685 = r83683 * r83684;
        double r83686 = sqrt(r83685);
        return r83686;
}