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 r12332 = a;
        double r12333 = b;
        double r12334 = r12332 + r12333;
        double r12335 = c;
        double r12336 = r12334 + r12335;
        double r12337 = 2.0;
        double r12338 = r12336 / r12337;
        double r12339 = r12338 - r12332;
        double r12340 = r12338 * r12339;
        double r12341 = r12338 - r12333;
        double r12342 = r12340 * r12341;
        double r12343 = r12338 - r12335;
        double r12344 = r12342 * r12343;
        double r12345 = sqrt(r12344);
        return r12345;
}