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 r83102 = a;
        double r83103 = b;
        double r83104 = r83102 + r83103;
        double r83105 = c;
        double r83106 = r83104 + r83105;
        double r83107 = 2.0;
        double r83108 = r83106 / r83107;
        double r83109 = r83108 - r83102;
        double r83110 = r83108 * r83109;
        double r83111 = r83108 - r83103;
        double r83112 = r83110 * r83111;
        double r83113 = r83108 - r83105;
        double r83114 = r83112 * r83113;
        double r83115 = sqrt(r83114);
        return r83115;
}