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 r971344 = a;
        double r971345 = b;
        double r971346 = r971344 + r971345;
        double r971347 = c;
        double r971348 = r971346 + r971347;
        double r971349 = 2.0;
        double r971350 = r971348 / r971349;
        double r971351 = r971350 - r971344;
        double r971352 = r971350 * r971351;
        double r971353 = r971350 - r971345;
        double r971354 = r971352 * r971353;
        double r971355 = r971350 - r971347;
        double r971356 = r971354 * r971355;
        double r971357 = sqrt(r971356);
        return r971357;
}