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 r173979 = a;
        double r173980 = b;
        double r173981 = r173979 + r173980;
        double r173982 = c;
        double r173983 = r173981 + r173982;
        double r173984 = 2.0;
        double r173985 = r173983 / r173984;
        double r173986 = r173985 - r173979;
        double r173987 = r173985 * r173986;
        double r173988 = r173985 - r173980;
        double r173989 = r173987 * r173988;
        double r173990 = r173985 - r173982;
        double r173991 = r173989 * r173990;
        double r173992 = sqrt(r173991);
        return r173992;
}