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 r53842 = a;
        double r53843 = b;
        double r53844 = r53842 + r53843;
        double r53845 = c;
        double r53846 = r53844 + r53845;
        double r53847 = 2.0;
        double r53848 = r53846 / r53847;
        double r53849 = r53848 - r53842;
        double r53850 = r53848 * r53849;
        double r53851 = r53848 - r53843;
        double r53852 = r53850 * r53851;
        double r53853 = r53848 - r53845;
        double r53854 = r53852 * r53853;
        double r53855 = sqrt(r53854);
        return r53855;
}