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 r84109 = a;
        double r84110 = b;
        double r84111 = r84109 + r84110;
        double r84112 = c;
        double r84113 = r84111 + r84112;
        double r84114 = 2.0;
        double r84115 = r84113 / r84114;
        double r84116 = r84115 - r84109;
        double r84117 = r84115 * r84116;
        double r84118 = r84115 - r84110;
        double r84119 = r84117 * r84118;
        double r84120 = r84115 - r84112;
        double r84121 = r84119 * r84120;
        double r84122 = sqrt(r84121);
        return r84122;
}