Cannot sample enough valid points. (more)

\[0 \lt a \land 0 \lt b \land 0 \lt c\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r1179281 = a;
        double r1179282 = b;
        double r1179283 = r1179281 + r1179282;
        double r1179284 = c;
        double r1179285 = r1179283 + r1179284;
        double r1179286 = 2.0;
        double r1179287 = r1179285 / r1179286;
        double r1179288 = r1179287 - r1179281;
        double r1179289 = r1179287 * r1179288;
        double r1179290 = r1179287 - r1179282;
        double r1179291 = r1179289 * r1179290;
        double r1179292 = r1179287 - r1179284;
        double r1179293 = r1179291 * r1179292;
        double r1179294 = sqrt(r1179293);
        return r1179294;
}