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 r14040 = a;
        double r14041 = b;
        double r14042 = r14040 + r14041;
        double r14043 = c;
        double r14044 = r14042 + r14043;
        double r14045 = 2.0;
        double r14046 = r14044 / r14045;
        double r14047 = r14046 - r14040;
        double r14048 = r14046 * r14047;
        double r14049 = r14046 - r14041;
        double r14050 = r14048 * r14049;
        double r14051 = r14046 - r14043;
        double r14052 = r14050 * r14051;
        double r14053 = sqrt(r14052);
        return r14053;
}