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 r3347 = a;
        double r3348 = b;
        double r3349 = r3347 + r3348;
        double r3350 = c;
        double r3351 = r3349 + r3350;
        double r3352 = 2.0;
        double r3353 = r3351 / r3352;
        double r3354 = r3353 - r3347;
        double r3355 = r3353 * r3354;
        double r3356 = r3353 - r3348;
        double r3357 = r3355 * r3356;
        double r3358 = r3353 - r3350;
        double r3359 = r3357 * r3358;
        double r3360 = sqrt(r3359);
        return r3360;
}