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 r47191 = a;
        double r47192 = b;
        double r47193 = r47191 + r47192;
        double r47194 = c;
        double r47195 = r47193 + r47194;
        double r47196 = 2.0;
        double r47197 = r47195 / r47196;
        double r47198 = r47197 - r47191;
        double r47199 = r47197 * r47198;
        double r47200 = r47197 - r47192;
        double r47201 = r47199 * r47200;
        double r47202 = r47197 - r47194;
        double r47203 = r47201 * r47202;
        double r47204 = sqrt(r47203);
        return r47204;
}