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 r1464 = a;
        double r1465 = b;
        double r1466 = r1464 + r1465;
        double r1467 = c;
        double r1468 = r1466 + r1467;
        double r1469 = 2.0;
        double r1470 = r1468 / r1469;
        double r1471 = r1470 - r1464;
        double r1472 = r1470 * r1471;
        double r1473 = r1470 - r1465;
        double r1474 = r1472 * r1473;
        double r1475 = r1470 - r1467;
        double r1476 = r1474 * r1475;
        double r1477 = sqrt(r1476);
        return r1477;
}