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 r8883 = a;
        double r8884 = b;
        double r8885 = r8883 + r8884;
        double r8886 = c;
        double r8887 = r8885 + r8886;
        double r8888 = 2.0;
        double r8889 = r8887 / r8888;
        double r8890 = r8889 - r8883;
        double r8891 = r8889 * r8890;
        double r8892 = r8889 - r8884;
        double r8893 = r8891 * r8892;
        double r8894 = r8889 - r8886;
        double r8895 = r8893 * r8894;
        double r8896 = sqrt(r8895);
        return r8896;
}