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 r1959275 = a;
        double r1959276 = b;
        double r1959277 = r1959275 + r1959276;
        double r1959278 = c;
        double r1959279 = r1959277 + r1959278;
        double r1959280 = 2.0;
        double r1959281 = r1959279 / r1959280;
        double r1959282 = r1959281 - r1959275;
        double r1959283 = r1959281 * r1959282;
        double r1959284 = r1959281 - r1959276;
        double r1959285 = r1959283 * r1959284;
        double r1959286 = r1959281 - r1959278;
        double r1959287 = r1959285 * r1959286;
        double r1959288 = sqrt(r1959287);
        return r1959288;
}