Cannot sample enough valid points. (more)

\[0.0 \lt a \land 0.0 \lt b \land 0.0 \lt c\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r14866 = a;
        double r14867 = b;
        double r14868 = r14866 + r14867;
        double r14869 = c;
        double r14870 = r14868 + r14869;
        double r14871 = 2.0;
        double r14872 = r14870 / r14871;
        double r14873 = r14872 - r14866;
        double r14874 = r14872 * r14873;
        double r14875 = r14872 - r14867;
        double r14876 = r14874 * r14875;
        double r14877 = r14872 - r14869;
        double r14878 = r14876 * r14877;
        double r14879 = sqrt(r14878);
        return r14879;
}