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 r11856 = a;
        double r11857 = b;
        double r11858 = r11856 + r11857;
        double r11859 = c;
        double r11860 = r11858 + r11859;
        double r11861 = 2.0;
        double r11862 = r11860 / r11861;
        double r11863 = r11862 - r11856;
        double r11864 = r11862 * r11863;
        double r11865 = r11862 - r11857;
        double r11866 = r11864 * r11865;
        double r11867 = r11862 - r11859;
        double r11868 = r11866 * r11867;
        double r11869 = sqrt(r11868);
        return r11869;
}