Cannot sample enough valid points. (more)

\[0 \lt a \lt b + c \land 0 \lt b \lt a + c \land 0 \lt c \lt a + b\]
\[\sqrt{\left(\left(\frac{\left(a + b\right) + c}{2} \cdot \left(\frac{\left(a + b\right) + c}{2} - a\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - b\right)\right) \cdot \left(\frac{\left(a + b\right) + c}{2} - c\right)}\]
\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 r1866501 = a;
        double r1866502 = b;
        double r1866503 = r1866501 + r1866502;
        double r1866504 = c;
        double r1866505 = r1866503 + r1866504;
        double r1866506 = 2.0;
        double r1866507 = r1866505 / r1866506;
        double r1866508 = r1866507 - r1866501;
        double r1866509 = r1866507 * r1866508;
        double r1866510 = r1866507 - r1866502;
        double r1866511 = r1866509 * r1866510;
        double r1866512 = r1866507 - r1866504;
        double r1866513 = r1866511 * r1866512;
        double r1866514 = sqrt(r1866513);
        return r1866514;
}